Inventor

RICHARDS PETER W

US65 patents

⚠️ This page may combine multiple inventors who share the name “RICHARDS PETER W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICHARDS PETER W

FITBIT INC

Multi-wavelength pulse oximetry

Physiological data collection

Heart rate data collection

Heart rate sensor with high-aspect-ratio photodetector element

Heart rate data collection

Heart rate data collection

Multi-channel photoplethysmography sensor

Heart rate data collection

Heart rate sensor with high-aspect-ratio photodetector element

Heart rate data collection

Ring for optically measuring biometric data

Multiple source-detector pair photoplethysmography (PPG) sensor

Circuits and methods for photoplethysmographic sensors

Circuits and methods for selecting a mode of operation of a photoplethysmographic sensor

Wearable non-invasive carbon monoxide inhalation tracking

Intermeshing light barrier features in optical physiological parameter measurement device

Automated detection of breathing disturbances

Multi-wavelength pulse oximetry

Integrated ECG electrode and antenna radiator

Multi-channel photoplethysmography sensor

Integrated ECG electrode and antenna radiator

APPLE INC

Self-calibration of force sensors and inertial compensation

Force determination based on capacitive sensing

Operating multiple functions in a display of an electronic device

Force sensing based on capacitance changes

Force detection in touch devices using piezoelectric sensors

Touch force deflection sensor

Multiple controllers for a capacitive sensing device

Multiple controllers for a capacitive sensing device

Force sensor incorporated into display

Compensation for nonlinear variation of gap capacitance with displacement

Force determination based on capacitive sensing

Multiple controllers for a capacitive sensing device

Multiple controllers for a capacitive sensing device

REFLECTIVITY INC

Monochrome and color digital display systems and methods

Projection system and mirror elements for improved contrast ratio in spatial light modulators

Spatial light modulator with charge-pump pixel cell

Projection display with multiply filtered light

Methods and apparatus for selectively updating memory cell arrays

Spatial light modulators with light absorbing areas

Integrated driver for use in display systems having micromirrors

Method for reading and writing memory cells of spatial light modulators used in display systems

Monochrome and color digital display systems and methods for implementing the same

Integrated driver for use in display systems having micromirrors

TEXAS INSTRUMENTS INC

Deinterleaving transpose circuits in digital display systems

Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates

Methods and apparatus for selectively updating memory cell arrays

Spatial light modulator with charge-pump pixel cell

Data processing methods and apparatus in digital display systems

LYON BENJAMIN B

Touch sensor with secondary sensor and ground shield