Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1974-08-19
1977-03-08
Martin, John C.
Facsimile and static presentation processing
Facsimile
Recording apparatus
178 76, 307208, 307251, H04N 314, H03K 1756, H03K 1760
Patent
active
040114023
ABSTRACT:
In a scanning circuit having a plurality of cascade-connected unit circuits driven only by direct current, each unit circuit consisting of at least a pair of polarity inverting circuits, a train of output pulses shifted by a constant delay one after another depending upon the delay time proper to the unit circuits, are derived from the unit circuits by applying an input pulse to the first stage of the scanning circuit.
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patent: 3581097 (1971-05-01), Hibi et al.
patent: 3622809 (1971-11-01), Williams
patent: 3643106 (1972-02-01), Berwin et al.
patent: 3676590 (1972-07-01), Weimer
patent: 3676711 (1972-07-01), Ahrons
patent: 3715485 (1973-02-01), Weimer
patent: 3731161 (1973-05-01), Yamamoto
Millman et al., Pulse, Digital and Switching Waveforms, McGraw Hill, New York, 1965, p. 669.
Kiver, Transistors, McGraw-Hill, 1959, pp. 297-303.
Lee, "FET Delay Circuit . . .", IBM Technical Disclosure Bulletin, vol. 14, No. 4, Sept. 1971, pp. 1082-1083.
Ashikawa Mikio
Kamiyama Takamitsu
Koike Norio
Hitachi , Ltd.
Martin John C.
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