Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomo Baba0
Shinobu Ozeki0
Shinya Kyozuka0
Takehiro Niitsu0
Hidenori Yamada0
Kazuhiro Suzuki0
Kenichi Kobayashi0
Osamu Takanashi0
Date of Patent
July 1, 2008
0Patent Application Number
109629140
Date Filed
October 13, 2004
0Patent Primary Examiner
Patent 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.
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