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. 08, 2005
Filed:
Jul. 15, 2002
Applicants:
Atsushi Sugitatsu, Hyogo, JP;
Tatsuo Hatta, Hyogo, JP;
Satoshi Tamura, Hyogo, JP;
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S003/13 ;
U.S. Cl.
CPC ...
Abstract
A laser diode module includes a laser diode device, an optical device like a single lens placed in front of the laser diode device for reflecting front radiation emitted from a front surface of the laser diode device, and a photodiode placed at the back of the laser diode device and displaced from an optical axis of an optical system which includes the laser diode device, for detecting radiation reflected from the optical device.