Photometering apparatus for a camera
US6222622A · kind A · utility
5Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1998 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Nov 27, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B7/09979
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photometering apparatus for a camera including a photometering sensor which receives object light transmitted through a focusing plate and measures the brightness of an object; and a focusing plate holding device which detachably holds the focusing plate includes: a discrimination device which discriminates the type of focusing plate held by the focusing plate holding device, and a controller which selects a photometering algorithm and/or a parameter corresponding to the discriminated focusing plate from a plurality of photometering algorithms and parameters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.