Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1982-07-19
1984-08-21
Martin, John C.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358334, H04N 9495
Patent
active
044673680
ABSTRACT:
Time-expansion is provided to one-line segments of the luminance component of a color television signal, and time-compression is applied to one-line segments of the chrominance component, so that both components can be recorded on magnetic tape with optimum utilization of the bandwidth of recording channels utilized for both components. Time-compression and -expansion is provided by control of the independent write-in and read-out rates of charge coupled device stores. A commutation system is provided for applying the required clock rates in proper sequence to the various stores, and another commutation system is provided for stringing signal segments of television line lengths of the respective luminance and chrominance components, so that recording can be done in reel time in two channels on a magnetic tape. In one embodiment, the basic delay involved is reduced by reading in a component of one kind, while another component is being read out, and setting the clock rates, so that this operation can proceed at a single one of the clock rates.
REFERENCES:
patent: 4335393 (1982-06-01), Pearson
patent: 4376957 (1983-03-01), Dischert et al.
Martin John C.
Nguyen Luan
Robert & Bosch GmbH
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