Flash photographing system
US5233384A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1990 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Dec 20, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B7/09979
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The disclosure relates to the flash photographing system having a first exposure controlling mode and a second exposure controlling mode which includes a selecting device for selecting either the first exposure controlling mode or the second exposure controlling mode; a flash emitting device for emitting a flash; a controlling device for deciding whether or not a flash emission is required and allowing the second means to be in the state in which a flash can be emitted when a flash emission is required, and not allowing the second means to be in the state in which a flash can be emitted in the first exposure controlling mode when a flash emission is not required, and allowing the second means to be in the state in which a flash can be emitted every time a photograph is taken in the second exposure controlling mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.