1
David Elliott Slobodin, Jonathan Westhues: Projected capacitive touch sensing. PERCEPTIVE PIXEL, Brandon Roper, Judy Yee, Micky Minhas, March 1, 2016: US09274654 (19 worldwide citation)

Methods, systems, and apparatus relate to touch sensors that are configured to measure input applied to the sensor from a user. Some implementations involve the measurement of changes in capacitance between pairs of adjacent patterned electrodes to detect input at a touch sensor.


2
Jonathan Westhues, Jefferson Y Han: Capacitive touch sensor having correlation with a receiver. Perceptive Pixel, Alleman Hall McCoy Russell & Tuttle, August 27, 2013: US08519970 (13 worldwide citation)

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for digital signal processing (DSP) techniques for generally improving a signal-to-noise ratio (SNR) of capacitive touch sensors.


3
Jonathan Westhues, Jefferson Y Han: Force and true capacitive touch measurement techniques for capacitive touch sensors. Perceptive Pixel, Alleman Hall McCoy Russell & Tuttle, December 3, 2013: US08599165 (8 worldwide citation)

Methods, systems, and apparatus relate to touch sensors that are configured to measure a true capacitive touch and a force applied to the sensor from a user. Some implementations involve the measurement of force and true capacitive touch simultaneously in a touch capacitive sensor.


4
Daniel Rosenfeld, Jonathan Westhues, Shahram Izadi, Nicolas Villar, Hrvoje Benko, John Helmes, Kurt Allen Jenkins: Detecting touch on a surface. Microsoft Technology Licensing, Jeremy Snodgrass, Judy Yee, Micky Minhas, March 17, 2015: US08982051 (5 worldwide citation)

Embodiments are disclosed herein that are related to input devices with curved multi-touch surfaces. One disclosed embodiment comprises a touch-sensitive input device having a curved geometric feature comprising a touch sensor, the touch sensor comprising an array of sensor elements integrated into ...


5
Jonathan Westhues: Display system with electrostatic and radio links. MICROSOFT TECHNOLOGY LICENSING, Brandon Roper, Judy Yee, Micky Minhas, May 3, 2016: US09329708 (5 worldwide citation)

Systems and methods for transmitting information in interactive display systems are provided. In one example, an interactive display system comprises an interactive display including an electrode matrix having row and column electrodes, the row electrodes being sequentially driven, a display-side ra ...


6
Jonathan Westhues, Paul Dietz: Low power sensing via resistive sensor matrix. Microsoft Corporation, Alleman Hall McCoy Russell & Tuttle, July 10, 2012: US08217809 (5 worldwide citation)

Embodiments are disclosed that relate to input devices. In one embodiment, an input device comprises a sensor matrix having first and second pluralities of conductors, a plurality of first resistors, a voltage-applying mechanism configured to apply a selected voltage to each second conductor of the ...


7
Ramesh Raskar, Hideaki Nii, Jay W Summet, Yong Zhao, Paul H Dietz, Jonathan Westhues, Michael Noland, Erich Bruns, Shree Nayar, Vlad Branzoi: System and method for sensing geometric and photometric attributes of a scene with multiplexed illumination and solid states optical devices. Mitsubishi Electric Research Laboratories, Dirk Brinkman, Gene Vinokur, August 30, 2011: US08009192 (4 worldwide citation)

An optical receiver is arranged at a location in a scene. The optical receiver includes a photo sensor configured to detect spatio-temporal modulated optical signals directed at the scene from a set of spatially dispersed optical transmitters, and to convert the optical signals from each of the opti ...


8
Paul H Dietz, William S Yerazunis, David C Reynolds, Jonathan Westhues, Darren L Leigh, Dirk Brinkman: Optical fluid level encoder. Mitsubishi Electric Research Laboratories, Dirk Brinkman, Gene Vinokur, May 19, 2009: US07535571 (4 worldwide citation)

An apparatus measures a fluid level in a container. A light source emits a light beam. A light sensor can sense the light beam. An optical conduit is arranged in a container for holding fluid. The optical conduit is arranged between the light source and the light sensor along a path of the light bea ...


9
Jonathan Westhues: Techniques for disambiguating touch data. Perceptive Pixel, Alleman Hall McCoy Russell & Tuttle, December 31, 2013: US08619047 (3 worldwide citation)

Techniques for disambiguating touch data and determining user assignment of touch points detected by a touch sensor are described. The techniques leverage both user-specific touch data projected onto axes and non-user-specific touch data captured over a complete area.


10
Jonathan Westhues: Reduction of noise in touch sensors. Perceptive Pixel, Alleman Hall McCoy Russell & Tuttle, October 22, 2013: US08564565 (3 worldwide citation)

Techniques are described for providing a cleaned signal in a capacitive touch sensor. A phase of periodic noise on an input of the capacitive touch sensor is determined, and a periodic excitation signal having a phase that is locked to the determined phase of the periodic noise is generated. The per ...