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.
Patent No.:
Date of Patent:
Nov. 29, 2011
Filed:
Oct. 29, 2008
Applicants:
Tomoaki Nishiguchi, Yokohama, JP;
Hideharu Oono, Yokohama, JP;
Inventors:
Tomoaki Nishiguchi, Yokohama, JP;
Hideharu Oono, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); H04N 5/235 (2006.01);
U.S. Cl.
CPC ...
Abstract
A zoom camera having enhanced focusing stability during high magnification zooming under environments of high temperatures or low temperatures. When the zoom camera performs zoom-in operations in an environment of high or low temperatures, aperture control is added as the zoom magnification becomes higher and the temperature becomes higher or lower whereby the depth of field is made deeper to assure the presence of a range with good focusability.