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Fluke Corporation patents


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

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


Calibration bath with stir motor closed-loop control and stirring viscosity detection and adjustment

A calibration device includes a tank, a propeller disposed within the tank, a motor coupled to the propeller, a processor coupled to the motor, and a memory. The memory stores instructions that, when executed by the processor, cause the motor to rotate at a specified speed based on input an indication of an actual speed of the motor. ... Fluke Corporation

Device having tank shaped to produce flow direction and improve temperature stability and uniformity

A device includes a tank, a motor, and a fluid propulsion device, for example, a propeller that is coupled to the motor. The tank includes a bottom wall and side walls. ... Fluke Corporation

Rapid cooling device and method for a calibration bath

A device includes a chamber having an interior surface formed from a material that reflects infrared energy. A tank is disposed within the chamber. ... Fluke Corporation

Optical connector polarity and loss measurement using an integrating sphere-equipped optical measurement device

An integrating sphere-equipped optical measurement device and optical connector polarity and type identification and loss measurement are provided. The optical measurement device receives one or more optical signals that respectively emanate from one or more optical fibers of a plurality of optical fibers of an optical fiber cable. ... Fluke Corporation

Optical connector polarity and loss measurement using an integrating sphere-equipped optical measurement device

An integrating sphere-equipped optical measurement device and optical connector polarity and type identification and loss measurement are provided. The optical measurement device includes at least two photodetectors that are optically responsive over different ranges of wavelengths. ... Fluke Corporation

Imaging device with alignment analysis

Disclosed is an imaging device employing a measurement zone directed at a target, where the imaging device can be used in conjunction with a misalignment analysis feature. The imaging device can capture first and second images at different times. ... Fluke Corporation

Connector and duplex connector assembly

Connectors and a duplex clip for forming duplex connector assemblies are provided herein. The connector includes a rigid latch member for positive locking with another component, such as an adaptor. ... Fluke Corporation

Phase coherent main and remote units of a network analyzer

A network analyzer includes a main unit and a physically separate remote unit. In at least one configuration, the main unit generates and transmits test signals through a device under test to the remote unit. ... Fluke Corporation

Optical sensor-based position sensing of a radio frequency imaging device

A method and apparatus for optical sensor-based position sensing are provided. In the method and apparatus, a first displacement is detected by a first optical position sensor and a second displacement is detected by a second optical position sensor of an optical position sensor assembly located on a radio frequency (rf) imaging device. ... Fluke Corporation

Method and apparatus for testing and displaying test results

A test instrument provides suggested next operational step function to provide a user with assistance during testing. A display is provided to show the amount of a project that has been completed, for example as a percentage completed value. ... Fluke Corporation

Proving unit for voltage measurement systems

Systems and methods provide a portable, verified voltage source that allows safe testing of separate non-contact voltage measurement systems. A proving unit of the present disclosure provides a known or specified alternating current (ac) voltage output across an insulated wire, which ac voltage may be fixed or may be user-selectable through a suitable user interface. ... Fluke Corporation

Proving unit for non-contact voltage measurement systems

Systems and methods provide a portable, verified voltage source that allows safe testing of separate non-contact voltage measurement systems. A proving unit of the present disclosure provides a known or specified alternating current (ac) voltage output across an insulated wire, which ac voltage may be fixed or may be user-selectable through a suitable user interface. ... Fluke Corporation

Non-contact voltage measurement system using reference signal

Systems and methods for measuring alternating current (ac) voltage of an insulated conductor (e.g., insulated wire) are provided, without requiring a galvanic connection between the conductor and a test electrode or probe. A non-galvanic contact (or “non-contact”) voltage measurement system includes a conductive sensor, an internal ground guard and a reference shield. ... Fluke Corporation

Non-contact voltage measurement system using multiple capacitors

Systems and methods for measuring alternating current (ac) voltage of an insulated conductor (e.g., insulated wire) are provided, without requiring a galvanic connection between the conductor and a test electrode or probe. A non-galvanic contact (or “non-contact”) voltage measurement system includes a plurality of conductive sensors which capacitively couple with the insulated conductor. ... Fluke Corporation

05/17/18 / #20180136260

Non-contact current measurement system

Systems and methods provide a non-contact current measurement system which operates to measure alternating current flowing through an insulated wire without requiring galvanic contact with the insulated wire. The measurement system may include a magnetic field sensor that is selectively positionable proximate an insulated wire under test. ... Fluke Corporation

05/17/18 / #20180136259

Sensor subsystems for non-contact voltage measurement devices

Systems and methods for measuring alternating current (ac) voltage of an insulated conductor are provided, without requiring a galvanic connection between the conductor and a test electrode. A non-galvanic contact voltage measurement device includes a conductive sensor, an internal ground guard, and a reference shield. ... Fluke Corporation

05/17/18 / #20180136257

Non-contact electrical parameter measurement systems

Systems and methods provide measurement of alternating current (ac) electrical parameters in an insulated wire without requiring a galvanic connection between the insulated wire and a test probe. Measurement systems or instruments may include a housing that includes both a non-contact voltage sensor and a non-contact current sensor. ... Fluke Corporation

05/10/18 / #20180128858

Non-contact voltage measurement system

Systems and methods for measuring alternating current (ac) voltage of an insulated conductor (e.g., insulated wire) are provided, without requiring a galvanic connection between the conductor and a test electrode or probe. A non-galvanic contact (or “non-contact”) voltage measurement system includes a variable capacitance subsystem which operates to generate a variable capacitive voltage between an insulated conductor under test and earth ground. ... Fluke Corporation

04/19/18 / #20180106923

Conductor tracing instruments

One or more embodiments are directed to conductor tracing instruments that include a receiver for detecting an energized conductor and methods for detecting an energized conductor. The receiver includes a plurality of sensors configured to sense magnetic fields produced by the energized conductor and a feedback mechanism configured to communicate information to a user regarding the magnetic fields being sensed. ... Fluke Corporation

04/12/18 / #20180103303

Optically-addressable optical switch

An optically-addressable optical switch is disclosed. The optically-addressable optical switch receives, using an optical input, a first optical signal or portion of an optical signal and determines, based on the received optical signal, an address of an optical connector. ... Fluke Corporation

04/05/18 / #20180097296

Electrical connector for unterminated cables

An electrical connector is provided. The electrical connector includes two or more electrically conductive prongs. ... Fluke Corporation

03/29/18 / #20180087933

Underlying wall structure finder and infrared camera

Tools used to detect underlying structures, such as behind the surface of a wall, can include a first sensor, such as an electromagnetic sensor, configured to generate data indicative of the location of the underlying structure. Tools can include an indicator that provides an indication to a user based on the data. ... Fluke Corporation

03/22/18 / #20180084246

Imaging device with alignment analysis

Disclosed is an imaging device employing a measurement zone directed at a target, where the imaging device can be used in conjunction with a misalignment analysis feature. The imaging device can capture first and second images at different times. ... Fluke Corporation

03/08/18 / #20180067211

Apparatus and method for using laser guides to identify the source of sound waves

An apparatus includes a reflector, a microphone coupled to the reflector, laser emitters coupled to the reflector, and a laser range finder coupled to the reflector. The laser range finder is configured to output a signal indicative of a distance between the reflector and an object. ... Fluke Corporation

02/08/18 / #20180038981

Blending and display of rf in wall imagery with data from other sensors

A method and apparatus for blending and display of radio frequency in-wall imagery are provided. In the method and apparatus, an rf sensor assembly receives an rf signal for capturing an rf image of one or more objects including an electricity-bearing object disposed in a space behind a surface, a voltage sensor detects a presence of the electricity-bearing object disposed in the space behind the surface and a processor determines the rf image based on the data representing the rf signal, identifies a position of the electricity-bearing object in the rf image based on the data indicating the presence of the electricity-bearing object and a relative position of the sensory field to the rf sensor assembly and generates, based on the rf image, a composite image in which the electricity-bearing object is marked.. ... Fluke Corporation

02/01/18 / #20180031432

Amorphous quartz pressure transducer

A pressure transducer comprising a flexible member made of amorphous quartz and a crystalline quartz sensor are coupled together without an adhesive material. Instead, the amorphous quartz and the crystalline quartz sensor are coupled together at the molecular level. ... Fluke Corporation

01/18/18 / #20180020539

Plug connector for tuning crosstalk and return loss

A method and apparatus for tuning crosstalk and return loss are provided. In the method and apparatus, a filter tunes return loss caused by a first external terminal and a second external terminal to compensate for a capacitive load induced by sizes of and a proximity between the first and second external terminals. ... Fluke Corporation

01/11/18 / #20180013408

Synthesized inductance circuit

An inductive synthesis circuit that mimics an ideal inductor over a wide range of inductance values, from less than 1 mh to more than 100 h, can be used in place of an inductor in any electrical circuit. One application of a synthesized inductor is in an integrated circuit in which it is impractical to construct a coil of wire. ... Fluke Corporation

12/28/17 / #20170374296

Thermal anomaly detection

Systems and methods can be used to detect thermal anomalies in a target scene of an infrared image. Acquired thermal image data can be compared to a statistical thermal profile to detect thermal anomalies in the image data. ... Fluke Corporation

12/14/17 / #20170356956

Maintenance management systems and methods

A system for measuring a device under test (dut) includes a computing device and a measurement device that measures an electrical or physical parameter of the dut. The computing device receives and stores measurement data in a dut record associated with the dut. ... Fluke Corporation

11/30/17 / #20170346454

Transconductance amplifier having low distortion

A low distortion transconductance amplifier provides current to a grounded load using a virtual ground input stage, a pair of current mirrors, and a bias current source. The virtual ground input stage may include transistors arranged as a darlington pair. ... Fluke Corporation

11/30/17 / #20170343583

Auto-numbering of measurements in digital multimeter

A digital multimeter stores multiple sequential measurements of physical or electrical parameters. Each of the sequential measurements has a name including an automatically generated descriptor. ... Fluke Corporation

11/30/17 / #20170342974

Modulating pump lever

An apparatus includes a chamber, a valve coupled to the chamber, a pump coupled to the chamber, a control circuit coupled to the pump, and a lever coupled to the valve, the pump, and the control circuit. Operation of the valve and the pump is controlled based on a position of the lever.. ... Fluke Corporation

11/09/17 / #20170322111

Dual purpose optical test instrument

One or more embodiments are directed to optical test instruments, such as fiber optic inspection scopes and optical power meters, for testing optical communication links, such as fiber optic connectors. The optical test instruments include a single test port that is able to operate in two modes of operation. ... Fluke Corporation

09/07/17 / #20170257577

Design for compact camera

Infrared cameras can include an infrared sensor and an infrared lens assembly defining an optical axis. A camera can include an inner gear engaging the infrared lens assembly and a focus ring that engages the inner gear. ... Fluke Corporation

07/20/17 / #20170207010

Load resistor supports

A resistor support assembly includes first, second, third, and fourth support members. Each of the first and second support members includes one or more resistor contact regions and apertures extending therethrough. ... Fluke Corporation

07/20/17 / #20170206642

Through-focus image combination

Aspects of the disclosure are directed toward systems and methods for combining aspects of a plurality of indexed images taken at different focus distances in order to generate a final image having objects at a variety of depths remain in focus. High frequency frames associated with each of the plurality of images can be generated, each high frequency frame being representative of the high frequency content of the associated image. ... Fluke Corporation

07/13/17 / #20170199230

Wireless rogowski coil system

A rogowski coil in a sensor unit has voltage induced by a conductor surrounded by the rogowski coil. The voltage is integrated to represent current which is converted to digital data representing current in the conductor and sent wirelessly to a multimeter. ... Fluke Corporation

07/06/17 / #20170195548

Visible light and ir combined image camera

A camera producing visible light images with thermal data. The camera may include visible light lens and sensor, an infrared light lens and sensor, and a display. ... Fluke Corporation

07/06/17 / #20170191875

Infrared imaging probe

An infrared imaging probe that includes an elongated wand and an electrically isolating connection between the imaging components, located at the distal end of the wand, and the image processing components, located at the proximal end of the wand.. . ... Fluke Corporation

06/22/17 / #20170180372

Project documentation sharing and collaboration in a cloud-based environment

A cloud-based document management system provides a user access to project documentation. The document management system includes a plurality of mobile and testing devices running a client application and a cloud-based server device configured to couple to the plurality of mobile and testing devices. ... Fluke Corporation

06/22/17 / #20170180239

System and method for secure communications between a computer test tool and a cloud-based server

A system for providing data communication is provided. The system includes at least one computer test tool configured to perform one or more diagnostic tests on a computer network. ... Fluke Corporation

06/01/17 / #20170154518

Detector-to-detector alerts

An alert system and method includes at least first and second detectors that each includes environmental condition detection circuitry, data processing circuitry, and wireless communication circuitry. The first and second detectors are respectively carried by first and second users. ... Fluke Corporation

06/01/17 / #20170154509

Unsafe work condition temperature alerts in portable gas detectors

A gas detector includes environmental condition detection circuitry that includes one or more sensors, data processing circuitry, and wireless communication circuitry. The gas detector is configured to be carried by a user. ... Fluke Corporation

05/18/17 / #20170141966

System and method for cloud-service asset management for portable computer test tools

A system for providing data communication includes a computer test tool configured to perform one or more diagnostic tests on a computer network and a cloud-based server. The cloud-based server is configured to couple to the communication network so as to exchange data with the computer test tool when the computer test tool is coupled to the communication network. ... Fluke Corporation

05/18/17 / #20170140520

Imaging tool for vibration and/or misalignment analysis

Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. Image distortion present in the image data due to vibration and/or misalignment of the object during operation can be detected automatically or manually, and can be used to determine an amount of vibration and/or misalignment present. ... Fluke Corporation

04/27/17 / #20170116725

Imaging tool for vibration and/or misalignment analysis

Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. In some instances, as operating equipment heats up during operation, temperature changes of various portions of the operating equipment leads to changes in dimensions of such portions, leading to misalignment. ... Fluke Corporation

04/27/17 / #20170116102

System and method for utilizing machine-readable codes for testing a communication network

A testing device which includes a testing unit to perform test procedures on network elements of a communication network and a machine-readable code reader to read a machine-readable code associated with a network element of the communication network. The testing device further includes a computer device configured to: (i) determine a component type associated with the machine-readable code data read; (ii) select from a plurality of configuration files a configuration file based on the component type determined; and (iii) configure the test unit for a test procedure using the configuration file selected, and to perform the test procedure on the network element.. ... Fluke Corporation

04/20/17 / #20170111258

Cloud based system and method for managing testing configurations for cable test devices

A system and method for receiving a data packet in a cable network testing device from a remotely located cloud host service/device. The data packet contains selected cable test device configuration instructions. ... Fluke Corporation

04/13/17 / #20170104664

System and method to reconcile cabling test results with cabling test configurations

A cable testing system and method including at least one testing device configured to perform cabling testing pursuant to a cabling testing configuration and a cloud-based server device configured to couple, via the internet, to the at least one testing device. The server device includes a database configured to store one or more cabling testing configurations and a processor configured to send one or more cabling testing configurations from the database to the at least one testing device such that the at least one testing device performs a cabling test pursuant to the cabling test configuration received from the server device.. ... Fluke Corporation

04/13/17 / #20170104645

Cloud based system and method for managing messages regarding cable test device operation

A system and method for generating messages from a cloud-based server relating to cable test device usage. Provided is at least one test device configured to perform one or more cabling test procedures and a cloud-based server configured to couple to the at least one cable test device for transmission of data therewith. ... Fluke Corporation

04/13/17 / #20170104523

Test probes for smart inspection

One or more embodiments are directed to apparatuses and methods of evaluating an endface of an optical communication link, such as a fiber optic cable. In at least one embodiment, a camera probe includes an imaging device that includes one or more feedback mechanisms, such as an alignment feedback mechanism that communicates alignment information regarding an alignment of the optical communication link under test with an image sensor of the camera probe. ... Fluke Corporation

04/13/17 / #20170102411

Clamp meter

A clamp meter includes a meter body and a clamp jaw assembly mounted to the meter body. The clamp jaw assembly includes a first clamp jaw and a second clamp jaw which are movable in relation to each other between a closed position and an open position. ... Fluke Corporation

04/13/17 / #20170102288

Three-dimensional inspection of optical communication links

One or more embodiments are directed to camera probes and methods for visually inspecting an endface of an optical communication link, such as a fiber optic cable. Generally described, the camera probes and methods are directed to projecting light to an endface of the optical communication link from a first direction and at a first angle of incidence and projecting light to the endface at a second direction and at a second angle of incidence. ... Fluke Corporation

03/16/17 / #20170078545

Systems and methods for placing an imaging tool in a test and measurement tool

Analysis systems can include both a test and measurement tool for generating measurement data representative of at least one parameter of a device under test and an imaging tool for generating image data representative of a target scene. An electrical isolation mechanism can electrically isolate a user operating the analysis tool from the test and measurement circuit through the imaging tool. ... Fluke Corporation

03/16/17 / #20170078544

Electrical isolation for a camera in a test and measurement tool

Analysis systems can include both a test and measurement tool for generating measurement data representative of at least one parameter of a device under test and an imaging tool for generating image data representative of a target scene. A processor in communication with the test and measurement circuit and the imaging tool can process measurement data and image data. ... Fluke Corporation

03/16/17 / #20170074751

System and method for non-intrusive detection of optical energy leakage from optical fibers

A system for detecting a location of optical energy leakage from optical fibers, including a portable imaging device for generating a visible image of one or more optical fibers within a field of view of the portable imaging device, an optical energy detector assembly associated with the portable imaging device and configured to detect a location of optical energy leakage from an optical fiber within the field of view of the portable imaging device, and a processor associated with the imaging device and the optical energy detector assembly for overlaying a computer generated representation of the detected location of optical energy leakage from an optical fiber within the field of view of the portable imaging device over a visible image of the plurality of optical fibers generated by the portable imaging device to create a composite image.. . ... Fluke Corporation

03/09/17 / #20170069178

Measurement device and method

A measurement device and method includes a controller for controlling performance of a test on a test object, a signal generator for generating a signal indicative of an audible prompt to audibly identify a test result of the test object, and a signal transmitter for wirelessly transmitting the signal indicative of the audible prompt to a device remote from the measurement device.. . ... Fluke Corporation

03/02/17 / #20170061663

Edge enhancement for thermal-visible combined images and cameras

Systems and methods directed toward combining visible light and infrared images can include processing visible light image data to determine an edge factor value for a plurality of visible light pixels corresponding to the strength of an edge at that location. The edge factor value can be determined using features from the visible light image data and an edge gain input, which may be adjustable by a user. ... Fluke Corporation

03/02/17 / #20170059626

Portable measurement device

A portable measurement device includes an elongated body, a stationary portion fixedly mounted to a distal end, and a movable jaw movably mounted to the distal end and movable between a closed position and an open position. In the closed position, the movable jaw and the stationary portion form a closed loop with an inner diameter of less than or equal to 10 mm. ... Fluke Corporation

03/02/17 / #20170059614

Test lead assembly and measurement device

A test lead assembly includes a first test lead having a first cable extending between a distal end and a proximal end, a first test probe attached to the distal end and a first plug attached to the proximal end; a second test lead having a second cable extending between a distal end and a proximal end, a second test probe attached to the distal end, and a second plug attached to the proximal end; and a fastener member for repeatedly releasably engaging at least a portion of the first cable with at least a portion of the second cable along a length of the first and second cables. The test lead assembly and a measurement device incorporating the test lead assembly can avoid or at least reduce knotting of the test leads.. ... Fluke Corporation

01/26/17 / #20170024871

Laser illuminated gas imaging

Aspects of the invention generally relate to illumination gas imaging and detection. Camera systems can illuminate a target scene with light sources configured to emit absorbing and non-absorbing wavelengths with respect to a target gas. ... Fluke Corporation








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