Optical proximity switch
US8969786B2 · kind B2 · utility
0Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/941
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An optical proximity switch includes an optical transmitter for emitting a light signal, a transmitting lens with total internal reflection-using the light signal to form and transmit a light beam , a receiver, an imaging receiving lens for receiving and transmitting to the receiver the light signal, and an electronic circuit for evaluating the light signal received by the receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.