Optical communication multiplex device for vehicle and...

Details Optical communication multiplex device for vehicle and... Optical communication multiplex device for vehicle and...

2007-02-20

2007-02-20

Tran, Dzung (Department: 2613)

Optical communications

Transmitter and receiver system

Including optical circuit board

C398S163000, C398S149000

Reexamination Certificate

active

10749231

ABSTRACT:
The optical communication multiplex device for a vehicle comprises optical communication lines connecting a transmitting terminal (Tx) to a receiving terminal (Rx). Contact resistances are disposed near the optical communication line to generate heat for changing the length of the optical communication lines. A power terminal and a ground terminal are respectively connected to one end and the other end of the contact resistances to thereby supply power to the contact resistances. A control terminal outputs a control signal for changing the length of the optical communication lines via the contact resistances supplied with power from the power terminal. A transistor connected between the control terminal and the contact resistances carries out a switching operation of power applied to the contact resistances from the power terminal in response to the control signal inputted from the control terminal.

REFERENCES:
patent: 5469199 (1995-11-01), Allen et al.
patent: 5541524 (1996-07-01), Tuckerman et al.
patent: 2002/0001776 (2002-01-01), Mori et al.
patent: 2004/0087068 (2004-05-01), Yudasaka
patent: 62-14549 (1987-01-01), None
patent: 8036195 (1996-02-01), None
patent: 8262504 (1996-10-01), None
patent: 2000241781 (2000-09-01), None

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