Self-mixing interferometry device configured for non-reciprocal sensing
Methods and systems concerning non-reciprocal sensing paths for a self-mixing
interferometry operation are disclosed herein. Optical components may be used to direct …
interferometry operation are disclosed herein. Optical components may be used to direct …
Wearable skin vibration or silent gesture detector
Disclosed herein are wearable devices, their configurations, and methods of operation that
use self-mixing interferometry signals of a self-mixing interferometry sensor to recognize …
use self-mixing interferometry signals of a self-mixing interferometry sensor to recognize …
Optical Interferometry Proximity Sensor with Temperature Variation Compensation
M Huang, JJ Dudley - US Patent App. 18/221,210, 2023 - Google Patents
H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …
Optical interferometry proximity sensor with optical path extender
N Shou, DI Vulis, T Chen - US Patent 11,629,948, 2023 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …
Optical proximity sensor integrated into a camera module for an electronic device
An optical sensing system can be integrated into a camera module. In particular, an optical
element of an optical sensing system can be disposed entirely or partly within a barrel of a …
element of an optical sensing system can be disposed entirely or partly within a barrel of a …
Tactile and/or optical distance sensor, system having such a distance sensor, and method for calibrating such a distance sensor or such a system
P Mayinger - US Patent 11,685,064, 2023 - Google Patents
A tactile and/or optical distance sensor includes a housing, which has at least one elongate
portion, a measurement arm, which is arranged in the housing, at least partially extends …
portion, a measurement arm, which is arranged in the housing, at least partially extends …
Optical interferometry proximity sensor with temperature variation compensation
M Huang, JJ Dudley - US Patent 11,740,071, 2023 - Google Patents
An optical proximity sensor includes a first vertical cavity surface-emitting laser configured
for self-mixing interferometry to determine distance to and/or velocity of an object. The …
for self-mixing interferometry to determine distance to and/or velocity of an object. The …