Detection device for detecting oscillator

Details Detection device for detecting oscillator Detection device for detecting oscillator

2006-08-30

2008-10-28

Pascal, Robert J. (Department: 2817)

Oscillators

Combined with particular output coupling network

C331S044000, C331S064000, C327S113000, C324S076390

Reexamination Certificate

active

07443253

ABSTRACT:
A detection device for detecting an oscillator is provided. The detection device includes an oscillator control circuit, a frequency-decreasing circuit and a display circuit. The oscillator control circuit is used for outputting the oscillator signal of the oscillator. The frequency-decreasing circuit is connected to the output of the oscillator control circuit and has a capacitor suitable for charging and discharging and a resistor, which can adjust the time constant of the oscillator signal. The display circuit is connected to the frequency-decreasing circuit for showing the output signal of the frequency-decreasing circuit. The detection device can decide whether the oscillator is normal or broken by observing a component of the display circuit, for example, the twinkling of a light emitting diode of the display circuit.

REFERENCES:
patent: 5214228 (1993-05-01), Hoiles et al.
patent: 2004/0160282 (2004-08-01), Kim
patent: 56155868 (1981-12-01), None
patent: 62247276 (1987-10-01), None

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