US 12,117,586 B2
Proximity sensor
Cheng Chieh Huang, Taipei (TW); Yu Hao Kao, New Taipei (TW); and Koon-Wing Tsang, Fremont, CA (US)
Assigned to Vishay Semiconductor GmbH, Heilbronn D (DE)
Filed by Vishay Semiconductor GmbH, Heilbronn D (DE)
Filed on Jan. 31, 2022, as Appl. No. 17/589,184.
Prior Publication US 2023/0243999 A1, Aug. 3, 2023
Int. Cl. G01V 8/12 (2006.01)
CPC G01V 8/12 (2013.01) 20 Claims
OG exemplary drawing
 
1. A proximity sensor comprising:
a first light emitter;
a second light emitter; and
a light detector;
the first light emitter configured to emit light for a first time period while the light detector is not sensing; and
the second light emitter configured to emit light during a second time period while the light detector is sensing.