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:
Mar. 30, 2010
Filed:
Nov. 22, 2006
Applicants:
Daisuke Uchida, Tokyo, JP;
Osamu Miyata, Tokyo, JP;
Toshiyuki Kondo, Tokyo, JP;
Inventors:
Assignee:
Stanley Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lighting lampusing LED lamps as a light source can include a delay circuit, a power supply control unit, and a timer circuit. The delay circuitcan be configured to cause the luminous intensity of the LED lamps to rise along a predetermined slope upon turning on the lighting lamp. The power supply control unit and the timer circuit can be configured to cause the luminous intensity of the LED lamps to fall along a predetermined slope which has an inflection point P at a predetermined time point along the slope.