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Pixar patents


Recent patent applications related to Pixar. Pixar is listed as an Agent/Assignee. Note: Pixar may have other listings under different names/spellings. We're not affiliated with Pixar, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Pixar-related inventors


Bjt pixel circuit capable of cancelling ambient light influence, image system including the same and operating method thereof

There is provided a BJT pixel circuit including a BJT transistor, a photodiode, a first storage capacitor and a second storage capacitor. The first storage capacitor is configured to discharge, via the BJT transistor, to a first output voltage in a first exposure time of the photodiode. The second storage... Pixar

Navigation system and clock calibration method thereof

A clock calibration method of a navigation system is provided. The clock calibration method includes: entering a calibration mode; sequentially issuing, by a host, a count start signal and a count end signal separated by a time interval; counting a local oscillation frequency of a local oscillator when a navigation... Pixar

High accuracy displacement detection system with offset pixel array

A pixel array system for high accuracy detection of displacement, speed and acceleration includes: an array comprising m columns and n rows, wherein at least every other row is offset with respect to a preceding row of the array. In a first embodiment, every other row is offset with respect... Pixar

Circuit and detecting working and resting states for optical mouse

Disclosed is a circuit for detecting working and resting states for an optical mouse. During each frame capture, a counting unit of the digital logic circuit outputs a first counting signal to turn on a switching transistor, such that the voltage of the pixel capacitor varies from its predetermined voltage,... Pixar

Scheme for interrupt-based motion reporting

A method for reporting motion information from an electronic device to a remote host device includes: using an optical sensor for sensing the motion information of the electronic device, the optical sensor being configured within the electronic device; and reporting a motion result of the electronic device to the remote... Pixar

Pixel circuit with low power consumption, image system including the same and operating method thereof

A pixel circuit including a photodiode, a first storage capacitor and a second storage capacitor is provided. The first storage capacitor discharges to a first output voltage in a first exposure time and to a third output voltage in a third exposure time. The second storage capacitor discharges to a... Pixar

Non transitory computer readable recording medium for executing image processing method, and image sensing device applying the image processing method

A non-transitory computer-readable medium storing a program causing a computer to execute an image processing method applied to an image sensing device. The image processing method comprises: (a) comparing a frame delta between a reference frame and a first frame with a predetermined threshold value to generate a first comparing... Pixar

Apparatus and sensor chip component attaching method

An apparatus includes a lens component and an integrated circuit package. The lens component has a lens and a through hole from a specific surface to a bottom surface of the lens component. The integrated circuit package has a sensor and a second portion on a top surface of the... Pixar

System and eliminating spurious motion of mouse

A method for minimizing spurious motion of a mouse includes: determining whether the mouse enters a specific mode; and when the mouse is determined to enter the specific mode, generating a large correlation matrix by generating a standard size correlation matrix multiple times. The multiple standard size correlation matrices are... Pixar

Optical sensor for odometry tracking to determine trajectory of a wheel

An optical sensor system for determining trajectory of a wheel includes: a wheel mounted in a wheel arch having an outer surface covered with evenly-spaced wheel treads; an optical sensor mounted in the wheel arch but not touching the wheel, for performing a plurality of counts corresponding to respectively capturing... Pixar

Work mode control method and optical encoder using the same

The present disclosure illustrates a work mode control method. The work mode control method includes the following steps. First, capturing an image once every capturing interval. Next, determining a shutter time, an average brightness and an image quality in response to the images. The shutter time is associated with a... Pixar

Power on reset circuit, power on reset method and electric device using the same

Disclosed are a power on reset circuit, a power on reset method and an electric device using the same. In the power on reset circuit and method, a first voltage detecting circuit and a second voltage detecting circuit detect the voltage of a power supply and output a first voltage... Pixar

Image processing method and image processing system assigning different gains to different sections

The present invention discloses an image processing method and an image processing system adopting the same. The method includes the steps of: (a) obtaining a pixel array representing an image; (b) segmenting the pixel array into two or more non-overlapping regions; (c) identifying a capacitor discharging rate of each of... Pixar

Mems acoustic pressure sensor device and making same

The present invention discloses a Micro-Electro-Mechanical System (MEMS) acoustic pressure sensor device and a method for making same. The MEMS device includes: a substrate; a fixed electrode provided on the substrate; and a multilayer structure, which includes multiple metal layers and multiple metal plugs, wherein the multiple metal layers are... Pixar

Proximity sensing device and light guiding method thereof

A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide... Pixar

Thermal pile sensing structure integrated with capacitor

The present invention discloses a thermal pile sensing structure integrated with one or more capacitors, which includes: a substrate, an infrared sensing unit and a partition structure. The infrared sensing unit includes a first and a second sensing structure. A hot junction is formed between the first and the second... Pixar

Package structure

The invention provides a package structure which includes a substrate, at least one chip module, and a housing. The at least one chip module is located on the substrate. The housing includes an upper cover, a surrounding wall, and at least one adhesion enhancement structure. The surrounding wall is connected... Pixar

Package structure of optical apparatus

The present invention provides a package structure of an optical apparatus which includes a substrate, a light emitting device, a light sensing device, and a light barrier member. The light emitting device is disposed on the substrate and electrically connected to the substrate. The light emitting device is for emitting... Pixar

Method and controlling object movement on screen

The present invention discloses a method and apparatus for controlling an object movement on a screen. The method senses a first change in a position of a pointing device in a coordinate system to obtain a first displacement, and controls the object movement by a first displacement output ratio according... Pixar

Wireless transceiver apparatus and method capable of controlling gain(s) of amplifier(s) by detecting power of interference signal in the air with considerations of power saving and smaller circuit area

A wireless transceiver apparatus includes a power detector, an analog signal receiving circuit at wireless signal reception side, and a processing circuit. The power detector is configured at wireless signal transmission side and used for detecting power of a power amplifier on a transmitting path of wireless signal transmission side.... Pixar

Image recognition system, sensor module, and image recognition

An image recognition system includes a processing module, a sensor module, and a database. The sensor module is electrically connected to the processing module. The database is electrically connected to the processing module. The sensor module configured for capturing at least one image. The at least one image is stored... Pixar

Capacitive switch having high accuracy

A capacitive switch includes a drive circuit, a detection circuit, a reference circuit and an identification unit. The drive circuit outputs a drive signal and a switching signal, wherein the drive signal is outputted to a first node and a second node. The detection circuit is sequentially coupled to the... Pixar

Handheld device and positioning method thereof

A positioning method and a handheld device for performing the method are disclosed. In the method, a handheld device captures images corresponding to positions of a reference when the handheld device points toward the reference. A first image position, a first tilt angle indicative of a rotation angle of the... Pixar

Bluetooth pairing method

There is provided a capacitive communication system including an object and a capacitive touch panel. The object includes a plurality of induction conductors configured to have different potential distributions at different time intervals by modulating respective potentials thereof. The capacitive touch panel includes a plurality of sensing electrodes configured to... Pixar

Optical calibration system adapted for optical distance measurement system

An optical calibration system including a calibration module, a light source, an optical sensing device and a calculation module is provided. The calibration module includes a calibration plane and a plurality of calibration structures between the calibration plane and the light source, wherein the calibration structures are disposed at predetermined... Pixar

Input device with key input and touch input, and operating method thereof

An input device including a plurality of press buttons and a touch control area is provided. The press buttons provide a key input function, and the touch control area provides a touch input function. Each of the press buttons pushes against an elastic pad which is used as a sensing... Pixar

Method and pixel array for detecting motion information

A method for detecting motion information includes the following steps. First, a pixel array is provided for detecting an image of a measured object located in a first distance range or in a second distance range, and the pixel array includes a plurality of invisible image sensing pixels and a... Pixar

Pixel transfer rate boosting device

A device, for pixel transfer rate boosting, is provided and includes an image sensing array having a plurality of pixel units, in which each of the plurality of pixel units is configured to generate a pixel signal when receiving an electromagnetic energy, a signal buffer circuit, electrically coupled with the... Pixar

Measurement device and operation method thereof

Provided herein are a measurement device and an operation method thereof. The measurement device senses a distance variation between the measurement device and an object using a built-in proximity sensor and accordingly determines whether to turn on or turn off a track sensing module and an optical ranging module such... Pixar

Vehicle safety system and operating method thereof

There is provided a vehicle safety system including a sensing unit, a processing unit, a control unit and a display unit. The sensing unit is configured to capture an image frame containing an eyeball image from a predetermined distance. The processing unit is configured to calculate a pupil position of... Pixar

Portable electronic device and operation method thereof

Disclosed are a portable electronic device and an operation method thereof. The built-in image sensor of the portable electronic device continually captures a first image, detects whether there is a face image information in the first image, and accordingly determines whether to turn on a camera of the portable electronic... Pixar

Surveillance system and operation method thereof

The disclosure is related to a surveillance system and an operation method thereof. The surveillance system includes an auxiliary sensor module that is in full-time operation, and a main sensor module that is in a power-saving mode at a normal state. The main sensor is in operation only if the... Pixar

Capacitive touch device and mouse for near field communication

There is provided a capacitive communication system including an object and a capacitive touch panel. The object includes a plurality of induction conductors configured to have different potential distributions at different time intervals by modulating respective potentials thereof. The capacitive touch panel includes a plurality of sensing electrodes configured to... Pixar

Remote control system for pointing robot

There is provided a remote control system including a controlled device and a remote device. The controlled device has a light source and moves according to a control signal from the remote device. The remote device is adapted to be operated by a user and includes an image sensor. The... Pixar

Optical pointing system

There is provided an optical pointing system including at least one reference beacon, an image sensor, a storage unit and a processing unit. The image sensor is configured to capture an image frame containing a beacon image associated with the at least one reference beacon. The storage unit is configured... Pixar

11/16/17 / #20170330910

Color filter array and image sensing device using the same

A color filter array and an image sensing device are disclosed. The color filter array includes a plurality of color cells arranged into a matrix. Each color cell has an intermediate region and a peripheral region. The peripheral region is configured around the intermediate region. The intermediate region forms a... Pixar

11/09/17 / #20170322073

Optical detecting device having gas emission and gas pressure reduction function

An optical detecting device has gas emission and pressure reduction function and includes a holder, a light penetrating component, a light detecting component, a hole structure, and a. The light penetrating component is disposed on the holder to form an accommodating space whereinside the light detecting component is disposed. The... Pixar

11/09/17 / #20170322675

Touch control detecting method and touch control detecting system

A touch control detecting method applied to an electronic apparatus comprising an image sensor. The touch control detecting method comprises: (a) capturing a plurality of sensing images via the image sensor; and (b) determining if an object performs a predetermined touch control operation to the electronic apparatus, according to a... Pixar

10/26/17 / #20170308191

Interactive system and method thereof for controlling multiple remote devices

Provided herein are an interactive system and a method thereof for controlling multiple remote devices. The method is executed by a portable navigation device to establish an interactive system including the portable navigation device, a host device and at least one controlled device. The portable navigation device, the host device... Pixar

10/26/17 / #20170309771

Optical sensor module and sensor chip thereof

An optical sensor module and a sensor chip thereof are provided. The optical sensor module includes a substrate, a sensor chip and a passive chip. The sensor chip is disposed on the substrate, and the sensor chip includes a chip body having an active region located at a top side... Pixar

10/19/17 / #20170300130

Auxiliary device and navigation system using the same

Provided herein are an auxiliary device and a navigation system using the auxiliary device. The auxiliary device is configured to integrate with a pen mouse. When the pen mouse is tightly combined with the auxiliary device, the auxiliary device determines to use a first cursor displacement information data provided by... Pixar

10/19/17 / #20170300168

Capacitive touch device with high sensitivity and low power consumption

There is provided a capacitive touch device including a touch panel and a control chip. The touch panel includes detection electrodes configured to form self-capacitance and mutual-capacitance. The control chip includes an emulation circuit and a subtraction circuit. The emulation circuit is configured to output a reference signal. The subtraction... Pixar

10/19/17 / #20170302275

Electronic switch with force feedback function

An electronic switch with force feedback function includes a base, an actuating component and a. The actuating component is movably connected to the base, and includes a. The magnetic field generating module is disposed on the base, and provides a magnetic repulsive force to the magnetic unit for force feedback... Pixar

10/19/17 / #20170300731

Interactive electronic device

An interactive electronic device includes an image capture module, a response module and a processing module. The image capture module is for capturing images. The processing module is for generating a first or second command set according to the image and output a control signal. The response module is for... Pixar

10/12/17 / #20170291094

Apparatus having gesture sensor

An apparatus having a gesture sensor is provided. The gesture sensor includes an image sensing unit and a processing unit. The image sensing unit can capture at least a gesture image of user. The processing unit is electrically connected to the image sensing unit. The processing unit can send at... Pixar

10/12/17 / #20170292888

Pressure measuring method and pressure measuring apparatus

A pressure measuring method, applied to a pressure measuring apparatus, comprising: measuring a first pressure sensing value of the pressure measuring apparatus, which corresponds to a first pressure in a test mode; measuring a second pressure sensing value of the pressure measuring apparatus, which corresponds to a second pressure in... Pixar

09/28/17 / #20170277285

Pen-typed navigation device and related navigation module

A pen-typed navigation device includes a housing, a pen tip, a pressure detecting unit, and a navigation module having an optical large depth of field detecting unit and a processing unit. The pen tip is disposed on the housing. The pressure detecting unit is disposed on the pen tip to... Pixar

09/21/17 / #20170271976

Surge current compensating circuit and comparator module

A surge current compensating circuit has a compensating current generation unit, a bias unit, and a switch unit, for compensating a surge current drawn from a supply power after an output signal of a specific circuit transits. The compensating current generation unit is electrically coupled to the output stage of... Pixar

09/14/17 / #20170262092

Capacitive touch system using frequency division multiplexing and operating method thereof

A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end... Pixar

09/14/17 / #20170263015

Optical encoder capable of identifying absolute positions and operating method thereof

The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting... Pixar

09/07/17 / #20170254699

Electronic device with waterproof structure

An electronic device with waterproof structure includes an assembly and a manipulation member movably disposed on an outer surface of the assembly. The assembly includes a case and an optical detection module. The case defines a waterproof space and has a translucent region. The optical detection module is arranged in... Pixar

09/07/17 / #20170255333

Touch positioning touch panel

An object positioning method for touch panel is disclosed. In the method, an amount of sensing of a sensing signal can be detected and a sensing coordinate of an object can be obtained based on the detection. A positioning coordinate of the object can be locked in a point-locked mode... Pixar

08/31/17 / #20170249027

Dual mode optical navigation device and mode switching method thereof

There is provided a mode switching method of a dual mode optical navigation device. The dual mode optical navigation device is configured to be operated on a working surface and has a first bottom surface and a second bottom surface having an included angle with the first bottom surface. The... Pixar

08/24/17 / #20170238800

Method of identifying iris

A method of identifying iris is provided. The method includes providing a plurality of incident lights entering an eye located at a reference position; setting a first, second and third reference points; forming a first, second and third measuring glint by the incident lights after the eye moves to a... Pixar

08/24/17 / #20170243358

Detection system

The present disclosure provides a detection system, which includes an image sensor, a lens device, and a processor. The image sensor is configured to take a first picture of a foreground object and a background object. The lens device is attached to the image sensor and configured to allow the... Pixar

08/24/17 / #20170244409

Keyswitch and keyboard with distance detecting function

A keyboard with a distance detecting function includes a plurality of keyswitches, and each keyswitch includes a keycap, a base, a supporting component, a recovering component and a distance detecting unit. The base has a guide slot structure. The supporting component has a first end connecting to the keycap, and... Pixar

08/17/17 / #20170235370

Three-dimensional gesture sensing method and touch sensing device using the same

Disclosed is a three-dimensional gesture sensing method. The three-dimensional gesture sensing method comprises the following steps. Step A: driving at least one first conductive line of conductive lines in the touch sensing device as a first working sensing line, and driving at least one second conductive line of the conductive... Pixar

08/17/17 / #20170236441

Interactive service platform and operating method thereof

An operating method of an interactive service platform including the steps of: communicating with a plurality of user end devices via an application software; receiving physiological measurement information of user from the user end devices via the application software; analyzing the physiological measurement information to identify a physical and mental... Pixar

08/10/17 / #20170225038

Treadmill and control controlling the treadmill belt thereof

A treadmill and a control method for controlling the treadmill belt thereof are provided. The treadmill includes a treadmill belt, a first sensor, an image sensor, and a controller. The first sensor retrieves a light pattern or the image sensor measures the characteristic properties of the image of the user... Pixar

08/10/17 / #20170228059

Capacitive touch system using differential sensing and operating method thereof

A capacitive touch system including a drive end, a capacitive sensing matrix and a detection end is provided. The drive end concurrently inputs encoded and modulated drive signals into a plurality of channels of the capacitive sensing matrix within each drive time slot of a frame. The detection end detects... Pixar

08/03/17 / #20170215680

Automatic clean machine control method and automatic clean machine

Disclosed is a computer readable recording media recording at least one program. An automatic clean machine control method applied to an automatic clean machine can be performed while the program is executed. The automatic clean machine control method comprises: (a) controlling the automatic clean machine to acquire a map; (b)... Pixar

08/03/17 / #20170217016

Remote control system for pointing robot

There is provided a remote control system including a controlled device and a remote device. The controlled device has a light source and moves according to a control signal from the remote device. The remote device is adapted to be operated by a user and includes an image sensor. The... Pixar

08/03/17 / #20170223287

Image sensing circuit and method capable of obtaining higher image brightness dynamic range

An image sensing circuit includes floating node, switch circuit, capacitor(s), and counting circuit. The floating node receives image electric charge from a photosensitive pixel. The switch circuit is coupled between floating node and capacitor(s) to dynamically connect and disconnect floating node and capacitor(s). The capacitor(s) include(s) first terminal(s) connected to... Pixar

07/27/17 / #20170212578

Self-powered optical mouse device and operating method thereof

An optical mouse device includes a light source, an image sensor array, an energy storage element, a frame buffer and a processor, wherein the image sensor array includes a plurality of sensing pixels and a plurality of self-powered pixels. In a first mode, the sensing pixels output image data to... Pixar

07/20/17 / #20170205901

Optical encoder, crown assembly and wearable device with crown assembly

An optical encoder has a displacement generating unit, a light-emitting unit and an optical navigation integrated circuit. The displacement generating unit has an axle body movable along a central axial line thereof. The axle body has a free end with a diameter larger than a part of the axle body... Pixar

Patent Packs
07/13/17 / #20170196469

Optical blood pressure detection device and operating method thereof

A blood pressure detection method includes the steps of: acquiring a PPG signal from a skin surface using a light sensing element; calculating a blood pressure corresponding to each pulse duration according to at least one pressure estimation model and a time difference between two feature points within one pulse... Pixar

07/06/17 / #20170195593

Image sensor and image capture device using the same

The present disclosure illustrates an image sensor. The image sensor includes an image sensing array and a voltage supply array. The image sensing array and the voltage supply array are coupled to an analog-to-digital converter array. The image sensing array captures image data. The image sensing array supports one of... Pixar

06/29/17 / #20170184424

Optical navigation device

An optical navigation device has a light-emitting unit, an optical navigation chip and a cover. The light-emitting unit provides a light to a surface of a displacement generating unit. The optical navigation chip has a sensing array, but excludes any optical lens for focusing a reflected light. The sensing array... Pixar

06/22/17 / #20170177510

Electronic system and non- transitory computer readable recording medium can perform report rate setting method

An electronic system that can automatically set a report rate, which comprises: a first electronic apparatus; a second electronic apparatus; a transmitting interface, wherein the second electronic apparatus transmits data to the first electronic apparatus via the transmitting interface; and a processing unit, for automatically setting a report rate of... Pixar

06/15/17 / #20170167914

Optical sensing module with multi-directional optical sensing function

An optical sensing module capable of providing a multi-directional optical sensing function teaches that the optical sensing module can be fixed on a circuit board via a bridging medium. The optical sensing module includes a supporter, a photosensitive component and a connecting component. The supporter includes a base and several... Pixar

06/15/17 / #20170168591

Electronic apparatus having optical navigation circuit

An electronic apparatus includes a structure and an optical navigation circuit. A first end of the structure is located inside the electronic apparatus and its second end corresponds to a user's control. The structure can be moved forward/backward in a specific direction and/or rotated in another direction. The optical navigation... Pixar

06/01/17 / #20170150919

Breath detection device and operating method thereof

A breath detection method includes the steps of: receiving a PPG signal; recognizing a low frequency carrier of the PPG signal; recognizing a rising part of the low frequency carrier and a falling part of the low frequency carrier, wherein a frequency of the low frequency carrier represents a breathing... Pixar

05/25/17 / #20170147206

Signal sampling method and sensing system

A signal sampling method, applied to a sensing system comprising a sensing matrix with a first sensing region and a second sensing region. The signal sampling method comprises: (a) applying a first single period sampling number to sample a sensing value of the first sensing region to generate a first... Pixar

05/18/17 / #20170139489

Optical processing apparatus and light source luminance adjustment method thereof

An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light... Pixar

05/18/17 / #20170139536

Fdm based capacitive touch system and operating method thereof

A capacitive touch system including a capacitive touch panel, a storage element and a control chip is provided. The storage element is configured to store a lookup table which contains a plurality of mixing signals. The control chip concurrently drives the capacitive touch panel with a plurality of frequency division... Pixar

05/11/17 / #20170131800

Optical navigation apparatus with defocused image compensation function and compensation circuit thereof

The present disclosure illustrates an optical navigation apparatus with defocused image compensation function and a compensation circuit thereof The optical navigation apparatus comprises a light source, an image sensing circuit and a compensation circuit. The light source is configured to illuminate a work surface. The image sensing circuit captures a... Pixar

04/27/17 / #20170115159

Optical detecting device capable of preventing environmental pollution

An optical detecting device capable of preventing environmental pollution includes a casing, an optical detecting component and a transparent component. The casing includes a light through unit and at least one accommodating structure. The optical detecting component is disposed inside the accommodating structure. The transparent component is disposed inside the... Pixar

04/27/17 / #20170116742

Image segmentation threshold value deciding method, gesture determining method, image sensing system and gesture determining system

An image segmentation threshold value determining method, comprising: defining a plurality of image regions of a first sensing image; determining a first, a second part image segmentation threshold values according to a first, second image regions of the image regions; performing a first, a second image segmentation operation to the... Pixar

04/27/17 / #20170118389

Image determining method and image sensing apparatus applying the image determining method

An image determining method, applied to an image sensing apparatus with a lens and an image sensor comprising a first pixel and a second pixel. First/second parts of the first/second pixels are respectively covered. The image determining method comprises: applying the first/second pixel to respectively generate a first/second object image,... Pixar

04/27/17 / #20170118418

Dual-aperture ranging system

A ranging system including a first aperture stop, a second aperture stop, an image sensor and a processing unit is provided. The first aperture stop includes a sheet of IR-cut filter material. The second aperture stop includes a sheet of opaque material. The image sensor receives light passing through the... Pixar

Patent Packs
04/13/17 / #20170102790

Navigation trace calibrating method and related optical navigation device

A navigation trace calibrating method and a related optical navigation device are utilized to transform a first trace line generated by the optical navigation device into a second trace line suitable for user operation. The navigation trace calibrating method includes establishing a reference coordinate system, reading and analyzing the first... Pixar

03/30/17 / #20170094153

Distance measurement device based on phase difference and distance measurement method thereof

An imaging device including a pixel matrix and a processor is provided. The pixel matrix includes a plurality of phase detection pixels and a plurality of regular pixels. The processor performs autofocusing according to pixel data of the phase detection pixels, and determines an operating resolution of the regular pixels... Pixar

03/16/17 / #20170076521

Individualized control system utilizing biometric characteristic

A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to... Pixar

03/02/17 / #20170059397

Optical detecting module with preferred light utilization efficiency

An optical detecting module includes a housing, a light emitting component, an optical detecting component and an optical signal collecting component. The light emitting component is disposed inside the housing. The optical detecting component is disposed inside the housing to receive an optical detecting signal generated by the light emitting... Pixar

03/02/17 / #20170059839

Multi-segment optical component and related optical detecting device capable of increasing snr

A multi-segment optical component applied to increase signal-to-noise ratio includes a base, a central lens portion, an isolating lens portion and a collecting lens portion. The central lens portion is disposed on center of the base. The isolating lens portion is disposed by a side of the central lens portion,... Pixar

03/02/17 / #20170061178

Coding and decoding method using patterns and system thereof

Disclosed are coding and decoding methods using patterns and a system thereof. The object-images are obtained via detecting a pattern comprising objects. The distances between the object-images are obtained and a code is found based on the obtained distances between the object images. The distances between the object-images are defined... Pixar

03/02/17 / #20170061184

Portable electronic device and operation method thereof

Disclosed are a portable electronic device and an operation method thereof. The portable electronic device comprises a body, a barcode detector and a barcode decoder. In the barcode detector, a first image capturing module continually captures a barcode image when the portable electronic device is operating in the resting mode,... Pixar

03/02/17 / #20170061185

Qr code detecting device and operation method thereof

Disclosed are a QR code detection device and an operation method thereof. The QR code detection device comprises a body, a barcode detector and a barcode decoder. The barcode detector captures and processes a code image outside the body, and accumulates a number of times when a predetermined pattern feature... Pixar

03/02/17 / #20170061226

Optical encoder capable of identifying absolute positions and operating method thereof

The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting... Pixar

03/02/17 / #20170062628

Sensor chip package structure and manufacturing method thereof

A sensor chip package structure and a manufacturing method thereof are provided. The sensor chip package structure includes a substrate, a sensor chip and a wiring layer. The sensor chip is mounted on the substrate and has a top surface and a concave portion concaved from the top surface. The... Pixar

03/02/17 / #20170063340

Programmable band-pass filter circuit of analog front-end used for capacitance detection

A programmable band-pass filter circuit, which is included by an analog front-end circuit and used for capacitance detection, includes an operational amplifier, an input resistor, a feedback resistor, and a feedback capacitor. The operational amplifier includes a first input coupled to a reference level, a second input, and an output.... Pixar

03/02/17 / #20170064219

Imaging device for distinguishing foreground and operating method thereof, and image sensor

An imaging device including a condenser lens and an image sensor is provided. The image sensor is configured to sense light penetrating the condenser lens and includes a pixel matrix, an opaque layer, a plurality of microlenses and an infrared filter layer. The pixel matrix includes a plurality of infrared... Pixar

02/23/17 / #20170052063

Optical detecting device capable of preventing light leakage

An optical detecting device includes a light source, an optical detecting component, a package structure and a light tight component. The light source outputs a sampling signal to project onto an external object. The optical detecting component is disposed by the light source and has an interval relative to the... Pixar

02/23/17 / #20170052647

Optical touch system and image processing method thereof

An image processing method includes obtaining a background picture including a first and second pixel, wherein the first pixel has a first intensity value in response to that a first sensing element is operated by a fixed exposure time, and the second pixel has a second intensity value in response... Pixar

02/16/17 / #20170042484

Physiological detection system with adjustable signal source and operating method thereof

A physiological detection system including a light source module, a photo sensor and a processor is provided. The light source module is configured to provide light to illuminate a skin region. The photo sensor is configured to detect emergent light passing the skin region with at least one signal source... Pixar

02/16/17 / #20170045396

Optical detecting device capable of increasing signal-to-noise ratio and economizing power consumption

An optical detecting device capable of increasing signal-to-noise ratio (SNR) and economizing power consumption is installed on a wearable device. The optical detecting device includes a base, an optical detecting component and a light emitting module. The optical detecting component is disposed on the base and has a detecting surface... Pixar

02/16/17 / #20170045969

Capacitive finger navigation module and manufacturing method thereof

A capacitive finger navigation module including a pressure detection mode and a finger movement detection mode is provided. In the pressure detection mode, a finger press is detected to generate a continuous cursor movement signal. In the finger movement detection mode, a finger movement is detected to generate a single... Pixar

02/09/17 / #20170038913

Light source assembly of optical touch device

A light source assembly for an optical touch device includes a linear light source and a plurality of prism pillars. The linear light source includes a lighting surface having a first side along a first direction and a second side along a second direction for emitting light. The first side... Pixar

02/02/17 / #20170034465

Image sensor and operating method thereof

There is provided an operating method of an image sensor including: storing a first charge from an optoelectronic circuit to a pixel buffer circuit within a first exposure period; storing a second charge from the optoelectronic circuit to the pixel buffer circuit within a second exposure period; transferring the first... Pixar

01/26/17 / #20170026596

Method and reducing fixed pattern noise of image sensor in digital domain

A method for reducing fixed pattern noise of an image sensor is provided. The method includes: accessing pixel data of at least one test frame in a test environment; and calculating/deriving average values of each column based on at least one portion of pixel data of the column in the... Pixar

01/19/17 / #20170019073

Signal amplifying circuit with noise suppression function

A signal amplifying circuit with noise suppression function includes a first circuit module and a second circuit module. The first circuit module includes a current source and a switch. The current source is connected to an input stage for inputting a current. The switch is connected to a first output... Pixar








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