Apparatus for processing the output voltage of a detection circu

Details Apparatus for processing the output voltage of a detection circu Apparatus for processing the output voltage of a detection circu

1978-09-11

1981-01-27

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 26, 331 25, 329 50, H04N 946, H04N 949, H03B 306, H03D 318

Patent

active

042478677

ABSTRACT:
The apparatus comprises a phase detection circuit for detecting the phase difference between two input signals to produce a single output which is supplied to charge a capacitor through a gate circuit and a unidirectionally conductive element. The terminal voltage of the capacitor is applied to one control terminal of a differential load circuit. The other control terminal of the load circuit is connected to receive the voltage produced by a bias circuit similar to the gate circuit.

REFERENCES:
patent: 3659040 (1972-04-01), Fujita
patent: 3740456 (1973-06-01), Harwood
patent: 3740461 (1973-06-01), Harwood
patent: 4056826 (1977-11-01), Watanabe et al.

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