Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector
Reexamination Certificate
2007-11-13
2007-11-13
Sanghavi, Hemang (Department: 2874)
Optical waveguides
With disengagable mechanical connector
Optical fiber to a nonfiber optical device connector
C385S092000, C385S094000
Reexamination Certificate
active
11551852
ABSTRACT:
A metal chassis including a laser diode (LD) and a photodiode (PD) is held at a receiver ground RG, which is the potential of the anode or the cathode of the PD. Meanwhile, a receptacle for removing an optical fiber is held at a frame ground FG of a separate frame. Lead pins of the LD are insulated from the metal chassis. The receiver ground RG and the frame ground FG are insulated from each other by an insulative member. Since the receiver ground RG is insulated from the LD and the frame, a receiver is not easily affected by inner noise and outer noise. Accordingly, a bidirectional optical module having reduced influence of forward radiated noise, LD/PD crosstalk, and the outer noise is provided.
REFERENCES:
patent: 2003/0147601 (2003-08-01), Bartur et al.
patent: 2005/0053338 (2005-03-01), Chou et al.
Fish & Richardson P.C.
Sanghavi Hemang
Sumitomo Electric Industries Ltd.
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