04047187 is referenced by 188 patents and cites 7 patents.

The present invention relates to a system for exposure measurement and/or focus detection by means of image senser such as photo diode array (MOS image senser), CCD (charge coupled devices) consisting of a plural number of adjacently disposed respectively integrated fine light sensing elements whereby the image pattern of the object is scanned purely electrically in such a manner that the then obtained output of each light sensing element is converted into a digital value one after another for processing.

Title
System for exposure measurement and/or focus detection by means of image senser
Application Number
5/563462
Publication Number
4047187
Application Date
March 31, 1975
Publication Date
September 6, 1977
Inventor
Nobuhiko Shinoda
Tokyo
JA
Fumio Ito
Kanagawa
JA
Tadashi Ito
Kanagawa
JA
Nobuaki Sakurada
Kanagawa
JA
Yukio Mashimo
Tokyo
JA
Agent
Toren McGeady and Stanger
Assignee
Canon Kabushiki Kaisha
JA
IPC
G03B 7/08
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