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U.S. Department of Energy
Office of Scientific and Technical Information

PHASE DIFFERENTIAL INDICATING CIRCUIT

Patent ·
OSTI ID:4812275
An electronic circuit for totalizing the net phase difference between two alternating current signals is designed which responds to both increasing and decreasing phase changes. A phase comparator provldes an output pulse for each 360 deg of phase difference occurring, there being a negative pulse for phase shtft in one direction and a positive pulse for a phase shift in the opposite direction. A counting circuit utilizing glow discharge tubes receives the negative and positive pulses at a single input terminal and provides a running net total, pulses of one polarity dded and pulses of the opposite polarity being subtracted. The glow discharge tubes may be decaded to increase the total count capacity. (AEC)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-16-004267
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 3016475
OSTI ID:
4812275
Country of Publication:
United States
Language:
English

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