Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-09-20
1993-07-20
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
331 64, 375120, G08B 2100, H03B 100
Patent
active
052297527
ABSTRACT:
A method of detecting timing errors in a system oscillator for an electronic device, such as a power supply, includes the step of comparing a system oscillator signal with a delayed generated signal and generating a signal representative of the timing error when the system oscillator signal is not identical to the delayed signal. An LED indicates to an operator that a timing error has occurred. A hardware circuit implements the above-identified method.
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"Logic Gates and LED Indicate Phase Lock", Electronics, p. 106, May 1975.
Gliebe Ronald J.
Kramer William R.
Caress Virginia B.
Constant Richard E.
Moser William R.
Mullen Thomas
The United States of America as represented by the United States
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