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:
Jul. 03, 2007
Filed:
Aug. 31, 2000
Ken Ikoma, Yokohama, JP;
Kazushige Tamura, Yokohama, JP;
Makoto Takakuwa, Yokohama, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
To provide an optical filter switching device for a camera in which a clear image can always be obtained during the day and at night. In a cameral in which an image is formed on an image pick-up element () through a lens () provided on a camera body () and is converted into an electric signal through the image pick-up element (), thereby obtaining an image signal, optical filter switching means () for switching optical filters () and () depending on a level of the image signal is provided on a front surface of the image pick-up element () and a clear image can always be obtained during the day and at night. Therefore, in the case in which such a camera is used for a surveillance camera, the reliability of a monitoring system can be enhanced.