S-band video signal transmitter

Details S-band video signal transmitter S-band video signal transmitter

1991-07-16

1992-12-15

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

455 76, 455109, H04N 538

Patent

active

051722313

ABSTRACT:
An S-Band video transmitter includes a modulator, an up converter for converting the modulated signals to a preselected S-band, and transmit circuitry for transmit circuitry for transmitting the RF signals. The S-band frequency is selected by a synthesizer including a digital phase locked loop in accordance with an input frequency selection signals.

REFERENCES:
patent: 4025855 (1977-05-01), Atkinson
patent: 4231116 (1980-10-01), Sekiguchi
patent: 4234965 (1980-11-01), Bickley
patent: 4296496 (1981-10-01), Sadler
patent: 4395776 (1983-07-01), Naito
patent: 4546387 (1985-10-01), Glaab
patent: 4571621 (1986-02-01), Dalimonte
patent: 4593411 (1986-06-01), Schiller
patent: 4631496 (1986-12-01), Borras
patent: 4777655 (1988-10-01), Numata

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