Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector
Patent
1995-01-12
1997-01-21
Aullah, Akm E.
Optical waveguides
With disengagable mechanical connector
Optical fiber to a nonfiber optical device connector
361785, G02B 600, G02B 636
Patent
active
055966632
ABSTRACT:
A fiber optic module includes a connector connected to a mother board of a host computer, an LD semiconductor IC for converting serial data received from the mother board to an LD electric signal for a laser diode, an LD module for converting the LD electric signal to an LD optical signal, a PD module for converting a photodiode optical signal to a PD electric signal, a PD semiconductor IC for converting the PD electric signal to PD serial data, a circuit board having the connector and carrying LD semiconductor IC and PD semiconductor IC, an LD shielding plate and a PD shielding plate for electrically shielding the LD module and the PD module, respectively, a first frame and a second frame for holding the circuit board, LD module and PD module. In the fiber optic module, the connector is of a surface mounting type, leads of the LD and PD modules are connected to a side of the circuit board mounted with the connector, the circuit board has an LD variable resistor for adjusting a drive current of the LD module, the LD variable resistor is provided to a side of the circuit board opposite to the connector, the circuit board has a PD variable resistor provided to the side of the circuit board opposite to the connector for detecting a signal of the PD module, 3 signal processing semiconductor ICs or less are provided.
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patent: 4129349 (1978-12-01), von Roesgen
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patent: 4291943 (1981-09-01), Binek et al.
patent: 4595839 (1986-06-01), Braun et al.
patent: 5111363 (1992-05-01), Yagi et al.
patent: 5202943 (1993-04-01), Carden et al.
patent: 5295214 (1994-03-01), Card et al.
patent: 5416871 (1995-05-01), Takahashi et al.
Ishibashi Shin
Miyazaki Tomiya
Nagao Hideyuki
Aullah Akm E.
Matsushita Electric - Industrial Co., Ltd.
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