The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 30, 2010

Filed:

Apr. 04, 2006
Applicants:

Tetsuo Kikuchi, Hachioji, JP;

Kosei Tamiya, Sagamihara, JP;

Inventors:

Tetsuo Kikuchi, Hachioji, JP;

Kosei Tamiya, Sagamihara, JP;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/40 (2006.01); G01B 11/14 (2006.01); G01B 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses a focus detection device capable of reading a plurality of focus detection outputs in parallel. As an exemplary structure, the focus detection device includes a focus detection sensor having a plurality of output terminals for outputting, in parallel, analog data corresponding to focus states of multiple points in the field of a viewfinder, a multiplexer for arranging and outputting, in series order on the one terminal, the analog data output in parallel from the plurality of output terminals of the focus detection sensor, and an A/D converter for converting, to digital data, the analog data arranged in series order on the one terminal through and output from the multiplexer.


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