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:
Jan. 12, 2010
Filed:
Apr. 25, 2007
Hideo Yasumoto, Osaka, JP;
Hiroyuki Sasai, Osaka, JP;
Hideo Yasumoto, Osaka, JP;
Hiroyuki Sasai, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The present invention provides an optical receiving device, in which a portion of an optical signal is deflected for optical axis detection only when the optical axis is misaligned to thereby achieve a high S/N ratio of a received signal. A condensing sectioncondenses a received optical signal. An optical elementincludes a transmission regionand a deflecting region, and receives the optical signal, which has been condensed through the condensing section. A signal light receiving sectionreceives the transmitted light, which has been transmitted through the transmission region. A detection light receiving sectionreceives deflected light, which has been deflected through the deflecting regionand performs a photoelectric conversion on the received light to thereby output a detection intensity signal that indicates an intensity of the deflected light. An optical axis detection sectiondetects an optical axis misalignment based on the detection intensity signal outputted from the detection light receiving sectionto output an optical axis detection signal. An optical axis adjustment sectionperforms an optical axis adjustment based on the optical axis detection signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile