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Melexis Technologies Nv patents

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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Melexis Technologies Nv-related inventors

Sensor shielding for harsh media applications

A sensor device for use in harsh media, comprising a silicon die comprises a lowly doped region, and a contact layer, contacting the silicon die. The contact layer comprises a refractory metal and an ohmic contact to the silicon die via a silicide of the refractory metal. ... Melexis Technologies Nv

Bond pad protection for harsh media applications

A method for making and a semiconductor device comprises a silicon die including a metal contact region and, at least one passivation layer covering the semiconductor die and patterned such as to form an opening to the metal contact region of the semiconductor die. A continuous part of a contact layer comprises a refractory metal, and overlaps and completely covers the opening in the at least one passivation layer to contact the metal contact region in the opening and adhere to the at least one passivation layer along the entire edge of the continuous part. ... Melexis Technologies Nv

Light detection and ranging system

A multi-channel light detection and ranging system includes a plurality of active channels, each comprising a photosensitive element arranged to be exposed to light and an analog front end circuit arranged for receiving a signal from the photosensitive element. A compensation channel comprises a compensation element and an analog front end circuit arranged for receiving signals from the compensation capacitor. ... Melexis Technologies Nv

Sensor with self diagnostic function

A sensor system for providing a main signal and an error signal, comprising: a sensor unit providing a sensor signal; a first signal processor downstream of the sensor unit, adapted for receiving a second signal equal to or derived from a sensor signal, and for performing a first operations on the second signal so as to provide a first processed signal; a second signal processor for receiving the first processed signal and for performing second operations inverse of the first operations, so as to provide a second processed signal; and an evaluation unit for receiving the second signal and the second processed signal, and for evaluating whether the second signal matches the second processed signal within a predefined tolerance margin, and for providing the error signal.. . ... Melexis Technologies Nv

Integrated led device

The present invention relates to an integrated-led device having a housing, whereby the housing comprises a multi-led device comprising a transparent substrate and a plurality of light emitting diodes, leds, arranged for emitting light and disposed on said transparent substrate, an integrated circuit in connection with said leds and arranged for controlling said leds, a base comprising one or more base extensions, on which at least said multi-led device is mounted, with said one or more base extensions so arranged or so shaped that a first opening is created to let pass led light emitted through said transparent substrate by said plurality of leds.. . ... Melexis Technologies Nv

Die edge integrity monitoring system

An edge crack monitoring system for an integrated circuit provided on a die, comprises a conductive trace comprising at least a first conductive path for allowing current in a first direction, and a second adjacent conductive path for allowing current in a second direction opposite to the first direction. Both adjacent conductive paths form at least one loop surrounding a semiconductor device on a die. ... Melexis Technologies Nv

Device with light emitting diodes

A multi-led device comprises a transparent substrate, a plurality of light emitting diodes, leds, arranged for emitting light of a plurality of colours and disposed on the transparent substrate, an integrated control circuit in connection with the leds and comprising a plurality of photo sensors optically connected to the leds. Each photo sensor is provided with a colour filter. ... Melexis Technologies Nv

Transceiver circuit for a controller area network with improved safety

A transceiver circuit for communicating data over a can bus having a first and second bus line the transceiver circuit comprising: a data input port, a data output port, a can-bus transceiver unit having a receive data output port for providing data received from the can-bus, and a transmit data input port for receiving data to be transmitted to the can-bus; a control input port for receiving a control signal indicative of whether transmission of data from this transceiver circuit to the can-bus is allowed or prohibited; a filtering circuit adapted for filtering the control signal received on the control input port and for providing a filtered control signal; a logic circuitry adapted for configuring the can-bus transceiver unit in receive mode based on the debounced control signal irrespective of ongoing communication on the can-bus.. . ... Melexis Technologies Nv

Infrared sensor for measuring ambient air temperature

An electronic device for measuring an ambient temperature (tair) of the environment of an electronic device is described. It comprises at least one integrated infrared sensor, a blinded window preventing infrared radiation to directly impinge on the integrated infrared sensor and being in thermal contact with the environment as well as with a cover of the device resulting in the blinded window being at a surface temperature (tsurface). ... Melexis Technologies Nv

Method and electronic circuit for stall detection

A method for detecting stall of a multiphase motor operated in a sinusoidal micro-stepped mode. The method comprises: a) measuring at least one phase current and/or measuring the sum of all phase currents at regular time intervals synchronous with the micro-steps, b) calculating the difference between the measured phase current at a first moment and the measured phase current of the same phase at a previous moment and/or the difference between the measured sum of all phase currents at a first moment and the measured sum of all phase currents at a previous synchronous moment, c) analyzing the series of obtained current differences so as to generate a stall detection signal.. ... Melexis Technologies Nv

Semiconductor sensor assembly for harsh media application

A semiconductor sensor assembly for use in a corrosive environment comprises a processing device comprising at least one first bondpad of a material which may be corroded by a corrosive component in a corrosive environment; a sensor device comprising at least one second bondpad consisting of and/or being covered by a first corrosion resistant material; at least one bonding wire for making a signal connection between the at least one first bondpad of the processing device and the second bondpad of the sensor device. The processing device is partially overmoulded by a second corrosion resistant material, and is partially exposed to a cavity in the corrosion resistant material, with the sensor device being present in the cavity. ... Melexis Technologies Nv

Local interconnect network bus architecture

The present invention relates to an integrated circuit device for controlling lin slave nodes based on a control signal transmitted by a lin master control device. The ic device comprises a slave node circuit for processing the control signal when received in the form of a lin message frame via a first data line terminal. ... Melexis Technologies Nv

Position detection of a 1-coil or 2- coil motor

A method for detecting rotor position for a single coil dc motor or 2-coil dc motor with non-parallel windings, with no need of hall position sensor. The method comprises applying a first respectively second probe pulse for generating a first response pulse having a first direction or polarity and a second response pulse having a second direction or polarity. ... Melexis Technologies Nv

Semiconductor pressure sensor for harsh media application

A semiconductor pressure sensor assembly for measuring a pressure of an exhaust gas which contains corrosive components, comprising: a first cavity, a pressure sensor comprising first bondpads for electrical interconnection, a cmos chip comprising second bondpads for electrical interconnection with the pressure sensor, an interconnection module having electrically conductive paths connected via bonding wires to the pressure sensor and to the cmos chip; the interconnection module being a substrate with corrosion-resistant metal tracks, wherein the cmos chip and part of the interconnection module are encapsulated by a plastic package.. . ... Melexis Technologies Nv

07/06/17 / #20170194512

Semiconductor device having a transparent window for passing radiation

Method of encapsulating a semiconductor structure comprising providing a semiconductor structure comprising an opto-electric element located in a cavity formed between a substrate and a cap layer, the cap layer being made of a material transparent to light, and having a flat upper surface; forming at least one protrusion on the cap layer; bringing the at least one protrusion of the cap layer in contact with a tool having a flat surface region, and applying a opaque material to the semiconductor structure where it is not in contact with the tool; and removing the tool thereby providing an encapsulated optical semiconductor device having a transparent window integrally formed with the cap layer.. . ... Melexis Technologies Nv

05/11/17 / #20170131356

Magnetic sensor

A sensor circuit for sensing a circuit change, e.g. Circuit break, is described. ... Melexis Technologies Nv

03/30/17 / #20170093314

Method of starting a three-phase bldc motor and motor driver using same

Method of starting a three-phase sinusoidal bldc motor, comprising: a) determining an initial position of the rotor; b) applying a first set of sinusoidal energizing signals to the windings, corresponding to a set of sinusoidal waveforms shifted apart by 120° and 240° sampled at a first angle (φ1); and maintaining the energizing signals for allowing the rotor to move to a first angular position; c) while maintaining the energizing signals, monitoring two of the phase currents, and determining whether a predefined condition is satisfied, comprising testing whether a ratio of two total current values is equal to a predefined value, and if true, to repeat steps b) and c), but with second and further sinusoidal energizing signals sampled at a second or further angular position, selected from a limited group of discrete angular positions.. . ... Melexis Technologies Nv

01/19/17 / #20170016790

Pressure sensor with built in stress buffer

A semiconductor pressure sensor comprising: a semiconductor substrate having a through-opening extending from a top surface to a bottom surface of the substrate, the through-opening forming a space between an inner part and an outer part of said substrate; a pressure responsive structure arranged on said inner part; a number of flexible elements extending from said inner part to said outer part for suspending the inner part within said through-opening; the through-opening being at least partly filled with an anelastic material. A method of producing such a semiconductor pressure sensor.. ... Melexis Technologies Nv

01/19/17 / #20170016762

Infrared sensing devices and methods

An infrared sensor assembly for sensing infrared radiation from an object is disclosed. The infrared sensor assembly comprises a sensor array comprising a plurality of sensing elements, provided on or embedded in a substrate extending in a substrate plane. ... Melexis Technologies Nv

01/05/17 / #20170003172

Infrared thermal sensor with beam without thermocouple

An infrared thermal sensor for sensing infrared radiation is disclosed. The infrared thermal sensor comprises a substrate and a cap structure together forming a sealed cavity, a membrane arranged in said cavity for receiving infrared radiation (ir) through a window or aperture and a plurality of beams for suspending the membrane. ... Melexis Technologies Nv

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