Photodetector
US11411130B2 · kind B2 · utility
1Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2019 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | May 4, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01T1/24
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A photodetector includes: a photoreceptor provided with a SPAD that is configured to respond to incidence of a photon, and as the response of the SPAD, configured to output a pulse signal; and a pulse rate control circuit configured to control sensitivity of the photoreceptor to have a pulse rate as the number of pulse signals outputted per unit time from the photoreceptor to be a set value set in advance, (i) in a set range including the set value, (ii) in a set range of the set value or more, or (iii) in a set range of the set value or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.