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. 01, 2003
Filed:
Sep. 28, 1999
Applicant:
Inventors:
Ikuo Ishinabe, Tokyo-to, JP;
Kazuyoshi Yahagi, Tokyo-to, JP;
Assignee:
Kabushiki Kaisha TOPCON, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/006 ;
U.S. Cl.
CPC ...
H04B 1/006 ;
Abstract
The present invention provides an optical communication system, which comprises photodetection means for receiving communication light and optical means for forming an image from the communication light on the photodetection means, wherein the optical means is provided with a diffraction optical member having at least 0-th diffraction order.
Ishinabe, Ikuo. (2003). Optical communication system for survey instrument (U.S. Patent No. 6587244). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6587244
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile