51
Miroslav Svajda, Wayne T Holcombe: Apparatus and Circuit with a Multi-Directional Arrangement of Optical Elements. Silicon Laboratories, October 13, 2011: US20110248152-A1

An apparatus includes a housing having a front surface, a rear surface, and at least one sidewall therebetween and a plurality of optical windows formed in the housing to allow light to pass through from multiple directions. The apparatus further includes a plurality of photo detectors to generate e ...


52
Wayne T Holcombe, Miroslav Svajda: Method and apparatus for spectrally-corrected ambient light sensor. October 13, 2011: US20110248170-A1

In one embodiment, a method includes receiving outputs from multiple photodetectors, calculating a first ratio between first and second such outputs, calculating a second ratio between the first output and a difference corresponding to a flicker noise component obtained from the second output, and d ...


53
Miroslav Svajda, Wayne T Holcombe: Systems and methods for advanced monitoring and control using an led driver in an optical processor. October 13, 2011: US20110248194-A1

Systems and methods for advanced monitoring and control using an LED driver in an optical processor are described. In an embodiment, a monitoring and control circuit may include a light-emitting diode (LED) driver including a control input, an output, and a node, wherein the output is coupled to an ...


54
Stephen C Gerber, Wayne T Holcombe, Miroslav Svajda: Apparatus and method for implementing a touchless slider. Silicon Laboratories, Howison & Arnott, January 27, 2011: US20110019205-A1

A method for gesture recognition in an optical system using a touchless slider is shown. The touchless slider has first and second reference points positioned along an axis in an optical system. The method includes obtaining a plurality of first and second reflectance values by measuring an amplitud ...


55
Yeshoda Yedevelly, Pavel Konecny, Wayne T Holcombe: Synchronous vcc generator for switching voltage regulator. June 30, 2011: US20110157941-A1

A capacitor is charged synchronously with the beginning of an ON portion of a pulse width modulated (PWM) signal to generate a voltage across the capacitor using charging current sourced from an inductor on a primary side of a transformer. The voltage is supplied as a supply voltage to control circu ...


56
Miroslav Svajda, Wayne T Holcombe: Apparatus and method for optical gesture recognition. Howison & Arnott, June 17, 2010: US20100150399-A1

An optical gesture recognition system is shown having a first light source and a first optical receiver configured to receive reflected light from an object when the first light source is activated and output a first measured reflectance value corresponding to an amplitude of the reflected light. A ...


57
Wayne T Holcombe, Pavel Konecny, Miroslav Svajda, Jean Luc Nauleau, Robert Farmer: Apparatus and Method for Near-Field Communication. Integration Associates, Francissen Patent Law PC, January 28, 2010: US20100021176-A1

A communication device is disclosed having optical and near-field communication capability. The device includes an optical transceiver circuit fabricated on an integrated circuit die and configured to transmit and receive far field signals. A near field transceiver circuit is also fabricated on the ...


58
Wayne T Holcombe, Miroslav Svajda: Apparatus and method for display control using ambient light measurement signal from an infrared receiver. Francissen Patent Law PC, May 21, 2009: US20090127461-A1

A system having an infrared receiver is shown, where the system includes an infrared receiver circuit configured to receive an infrared data signal using a receive photodiode and compensate for an ambient light level incident on the receive photodiode by generating a DC ambient current signal, where ...


59
Jeff Gokingco, Wayne T Holcombe, Miroslav Svajda: Identifying ambient light type and illuminance compensation using a plurality of photodetectors. January 5, 2012: US20120001841-A1

A method for determining an ambient light type is described. The method includes receiving measurement information from multiple photodetectors configured for different light spectra, calculating a color ratio using the measurement information, obtaining a correction value using the color ratio, app ...


60
Wayne T Holcombe: Proximity sensor calibration. January 3, 2013: US20130003079-A1

Techniques are disclosed relating to proximity sensor calibration for ambient light. In one embodiment, a proximity sensor is disclosed that is configured to perform a first light measurement followed by a second light measurement followed by a third light measurement. The first and third light meas ...