Title:
【発明の名称】自動露出制御装置
Document Type and Number:
Japanese Patent JP2899031
Kind Code:
B2
Abstract:
An automatic exposure control device comprising a light measuring circuit for performing a weighted light measurement for a light measuring area set in a predetermined position within an image sensing plane, a discrimination circuit for detecting and evaluating the level of a luminance component in a video signal in each of a plurality of detecting areas set within the image sensing plane and for discriminating a photographic state while tracking a subject, and a compensation circuit for compensating a light measurement control signal produced by the light measuring circuit in accordance with a discriminating result made by the discriminating circuit.
Inventors:
TAKEI HIROFUMI
Application Number:
JP34480389A
Publication Date:
June 02, 1999
Filing Date:
December 28, 1989
Export Citation:
Assignee:
KYANON KK
International Classes:
H04N5/235; (IPC1-7): H04N5/235
Domestic Patent References:
| JP62203486A | ||||
| JP62110369A | ||||
| JP1240082A |
Attorney, Agent or Firm:
Giichi Marushima (1 person outside)