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, 2008
Filed:
Oct. 13, 2004
Shinobu Ozeki, Ashigarakami-gun, JP;
Kenichi Kobayashi, Ashigarakami-gun, JP;
Hidenori Yamada, Ashigarakami-gun, JP;
Shinya Kyozuka, Ashigarakami-gun, JP;
Takehiro Niitsu, Ashigarakami-gun, JP;
Kazuhiro Suzuki, Ashigarakami-gun, JP;
Tomo Baba, Ashigarakami-gun, JP;
Osamu Takanashi, Ashigarakami-gun, JP;
Shinobu Ozeki, Ashigarakami-gun, JP;
Kenichi Kobayashi, Ashigarakami-gun, JP;
Hidenori Yamada, Ashigarakami-gun, JP;
Shinya Kyozuka, Ashigarakami-gun, JP;
Takehiro Niitsu, Ashigarakami-gun, JP;
Kazuhiro Suzuki, Ashigarakami-gun, JP;
Tomo Baba, Ashigarakami-gun, JP;
Osamu Takanashi, Ashigarakami-gun, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A transmission unit of a signal transmission device includes: a transmission-side detection unit that detects image information from an inputted electrical signal; a receiving unit that receives, from a reception unit, a status signal representing an arrival status of an outputted optical signal; and a control unit that controls an electrical-optical conversion unit on the basis of the detection result of the transmission-side detection unit and the status signal of the receiving unit so that the output of the optical signal is shut down in at least one of a case where image information is not included in an electrical signal and a case where an optical signal has not arrived.