Optical communication interface module for universal serial bus

Details Optical communication interface module for universal serial bus Optical communication interface module for universal serial bus

2005-09-27

2005-09-27

Sedighian, M. R. (Department: 2633)

Optical communications

Transmitter and receiver system

Including optical waveguide

C398S135000, C398S139000, C398S200000, C398S115000, C375S316000, C370S902000, C385S024000

Reexamination Certificate

active

06950610

ABSTRACT:
An optical communication interface module includes a combined transmission module and a combined reception module. The combined transmission module processes a D+ electrical data signal and a D− electrical data signal, and combines and transmits the same through a first optical fiber line. The combined reception module processes the D+ and D− electrical data signals combined and received through a second optical fiber line, and applies the D+ and D− electrical data signals to a D+ port and D− port, respectively. The combined transmission module includes a transmission driving circuit that generates an optical data signal corresponding to one of the D+ and D− electrical data signals, and a transmission control switch that controls the optical data signal to have a level of brightness higher than a first set value while the D+ and D− electrical data signals are both maintained at a logic ‘low’ state, and controls the transmission driving circuit.

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patent: 2 787 603 (2000-06-01), None
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patent: 2000-183920 (2000-06-01), None
patent: 2000284872 (2000-10-01), None

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