Signal detector

Details Signal detector Signal detector

2007-06-12

2008-10-28

Bocure, Tesfaldet (Department: 2611)

Pulse or digital communications

Receivers

C375S340000, C375S377000

Reexamination Certificate

active

07443927

ABSTRACT:
A signal detector comprises a signal translator, a data signal detector, a clock signal detector and an inputting control circuit for detecting abnormal clock and data signals. The signal translator respectively converts differential data signals and differential clock signal into a single data signal and a single clock signal. The data signal detector outputs a data detecting signal according to the single data signal. The clock signal detector outputs a clock detecting signal according to the single clock signal. The interrupting control circuit receives the data detecting signal and outputs a shutdown signal when the single data signal is at high voltage level over a predefined ratio. The interrupting control circuit also receives the clock detecting signal and outputs the shutdown signal when the single clock signal abnormally disappears.

REFERENCES:
patent: 4173756 (1979-11-01), Kawagai et al.
patent: 5553623 (1996-09-01), Ochs
patent: 5903560 (1999-05-01), Samejima et al.

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