Michael J Comstock

US Patent:

20180341799, Nov 29, 2018

Filed:

May 25, 2017

Appl. No.:

15/605526

Inventors:

- San Jose CA, US
Tom Vandermeijden - San Jose CA, US
Igor Polishchuk - San Jose CA, US
Michael Comstock - San Jose CA, US

International Classification:

G06K 9/00

Abstract:

Disclosed are systems and methods for detecting a finger touch and/or finger press. A method includes: detecting presence of a finger on a fingerprint sensor; causing the fingerprint sensor to take measurements using multiple successive frames of the fingerprint sensor; for each measurement, computing a metric associated with the measurement at a given frame corresponding to the measurement; at a first particular frame, determining that the finger has settled on the fingerprint sensor, wherein determining that the finger has settled comprises determining that the metric at the first particular frame exceeds a settled value threshold; and, based on determining that the finger has settled, determining that a finger touch has occurred. A finger press can be further determined by monitoring whether the metric passes a press threshold.

US Patent:

20180067604, Mar 8, 2018

Filed:

Sep 7, 2016

Appl. No.:

15/257969

Inventors:

- San Jose CA, US
Michael Comstock - Cupertino CA, US

International Classification:

G06F 3/041
G06F 3/044

Abstract:

A processing system for multiple input object force estimation includes sensor circuitry and processing circuitry. The sensor circuitry is configured to acquire measurements of a sensing region using sensor electrodes. The processing circuitry is connected to the sensor circuitry. The processing system is configured to obtain a delta image of the sensing region using the measurements, identify locations of the input objects in the sensing region using the delta image, and determine a force estimate for each input object using the delta image, a bending response model, and the plurality of locations. The processing system is further configured to perform an action based on the force estimate of each input object of the plurality of input objects.

US Patent:

20140267093, Sep 18, 2014

Filed:

May 24, 2013

Appl. No.:

13/901933

Inventors:

- Santa Clara CA, US
Michael Joseph Comstock - Sunnyvale CA, US

International Classification:

G06F 3/041

US Classification:

345173

Abstract:

A processing system for an input device includes a sensor module and a noise mitigation module. The sensor module includes sensor circuitry and is configured to drive a plurality of transmitter electrodes with transmitter signals, and receive, with a plurality of receiver electrodes, resulting signals comprising effects corresponding to the transmitter signals. The noise mitigation module is configured to determine positional information for a first input object in a sensing region of the input device based on the resulting signals and to report the positional information. The noise mitigation module includes a touch buffer configured to store a plurality of input object states corresponding to the first input object and is configured to limit, when in a high-noise mode, the reporting of positional information based on the plurality of input object states stored in the touch buffer.