Indicator device for camera
US5732296A · kind A · utility
5Cited by
16References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1997 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Apr 7, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/002
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An indicator device comprises an indicator rotatively driven by an electrical driving source, such as a stepping motor or the like, a plurality of indexes indicated by the indicator to indicate various photographing information, and changing mechanism for changing indicating positions of the indicator. The changing mechanism includes an operating member operated in order to start a rotation of the indicator, an operating member for commanding a rotational direction of said indicator, and driving control mechanism for controlling a rotation of the indicator in accordance with operation of the operating members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.