Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1993-03-08
1995-12-26
Boudreau, Leo H.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359162, 359152, 385 92, 385 94, H04B 1000
Patent
active
054792886
ABSTRACT:
A light transmission module is disclosed, having a light receiving element module, in which a photodiode and a coupling portion between the photodiode and a first optical fiber are hermetically sealed, and a light emitting element module, in which a laser diode driven by an electric signal and a coupling portion between said laser diode and a second optical fiber are also hermetically sealed. A two-sided print board is provided, on the two sides of which electric circuits for a transmitting system and a receiving system are mounted. The electric circuits for the transmitting and receiving circuits are; isolated electrically from each other, and are sealed in one body by molds, and accommodated in cases, together with the light receiving element module and the light emitting element module.
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Azumaguchi Teruhisa
Irie Hiroki
Ishizuka Kohei
Kohno Tsutomu
Miura Atushi
Bacares Rafael
Boudreau Leo H.
Hitachi , Ltd.
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