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:
Dec. 10, 2002
Filed:
Sep. 02, 1998
Yasusaburo Degura, Utsunomiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an optical space communication system, a remote controller is provided at an arbitrary position remote from an optical space communication apparatus. The optical space communication apparatus is provided with an interface device for exchanging status information of the operating apparatus, operation start setup/manipulation information or operating setup/manipulation information of the apparatus with the interface device. Communication between the remote controller and the interface device is made for a transmission light power, a transmission signal power, a reception light power, a reception signal power, a light beam transmission angle, a temperature of a predetermined portion in the apparatus, an angular error between the reception light and an optical axis of a light reception unit in the apparatus, a transmission light beam divergence angle or the like.