Camera with finger over the taking lens/flash unit sensor
US5210560A · kind A · utility
12Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1992 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Apr 23, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0503
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a camera, one photosensor is located next to the taking lens and another photosensor is located next to a built-in flash unit for sensing whether a camera user's fingers are obstructing the taking lens and/or the flash unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.