Differential transmitter, differential receiver, signal...

Details Differential transmitter, differential receiver, signal... Differential transmitter, differential receiver, signal...

2008-08-20

2011-10-25

Ha, Dac (Department: 2611)

Pulse or digital communications

Cable systems and components

C375S219000, C375S349000, C375S351000, C375S328000, C375S330000, C455S078000, C455S088000, C455S083000, C455S091000, C455S102000, C455S127500, C455S127100, C327S065000, C327S067000, C327S076000, C327S097000, C327S229000

Reexamination Certificate

active

08045626

ABSTRACT:
According to one embodiment of the present invention, it is possible to realize a signal transmitter which is capable of reducing power consumption and which can be easily designed. A differential transmitter block outputs differential output signals fixed to a predetermined logic signal to a differential receiver block and disconnects terminating resistors from a signal transmission path in an idle state. In the differential receiver block, a differential comparator outputs a logic determined by symbols of the differential output signal from the differential transmitter block, and an operating state detector detects the idle state upon detection that time successively outputting a predetermined logic by the differential comparator reaches a predetermined time, and controls switches so as to disconnect the terminating resistors from the signal transmitter in the receiving side upon detection of the idle state.

REFERENCES:
patent: 7595661 (2009-09-01), Kim
patent: 2001/0027096 (2001-10-01), Lindlar
patent: 2003/0174762 (2003-09-01), Schoenborn
patent: 2007/0086531 (2007-04-01), Schoenborn
patent: 2008/0037617 (2008-02-01), Tang et al.
patent: 10-209830 (1998-08-01), None
patent: 10-0652391 (2006-11-01), None
Korean Official Action—2008-81615—Jul. 20, 2010.

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