Noise removal circuit

Details Noise removal circuit Noise removal circuit

2006-07-11

2008-09-02

Mis, David (Department: 2817)

Oscillators

With synchronizing, triggering or pulsing circuits

Triggering or pulsing

C331S158000

Reexamination Certificate

active

07420432

ABSTRACT:
A noise removal circuit. The noise removal circuit comprises a crystal oscillator and a level decision module. The crystal oscillator generates an oscillating signal and an output clock signal. The level decision module detects the signal level of the oscillating signal and outputs the output clock signal when the signal level of the oscillating signal exceeds a first reference level.

REFERENCES:
patent: 3984703 (1976-10-01), Jorgensen
patent: 5869978 (1999-02-01), Hong
patent: 6480071 (2002-11-01), Fujii et al.

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