Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Iwamoto0
Manabu Sakane0
Date of Patent
February 26, 2008
0Patent Application Number
108157870
Date Filed
April 2, 2004
0Patent Primary Examiner
Patent abstract
There is disclosed an optical wireless transmission apparatus in which a pilot light emitting section of a receiving/emitting section sends a pilot light in a wavelength region of 930 nm to 960 nm to a target apparatus, and a light receiving device having a light receiving sensitivity only to the same wavelength region of 930 nm to 960 nm receives light sent from the target apparatus. When the pilot light in the wavelength region of 930 nm to 960 nm is used, the pilot light is not obstructed by sunlight, and therefore optical axis adjustment can be mutually and exactly performed by the use of the pilot light sent from the target apparatus.
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