Time-multiplexing of an interleaved spectrum of a television sig

Details Time-multiplexing of an interleaved spectrum of a television sig Time-multiplexing of an interleaved spectrum of a television sig

1984-05-29

1986-11-04

Shepperd, John W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358146, H04N 708

Patent

active

046212876

ABSTRACT:
High horizontal spatial frequency information may be transmitted through a limited bandwidth channel by means of spatial-temporal frequency interleaving techniques. To transmit both frequency interleaved high horizontal spatial frequency information and diagonal spatial frequency information in one video signal, the corresponding spectra containing these two types of information are time-multiplexed prior to transmission. At the receiver, the interleaved high horizontal frequency information is extracted, relocated to its original horizontal position, and recombined with the diagonal frequency information to generate a baseband video signal.

REFERENCES:
patent: 2686831 (1954-08-01), Dome
patent: 2716151 (1955-08-01), Smith
patent: 3793478 (1974-02-01), Verhoeven
patent: 3871019 (1975-03-01), Bingham
patent: 3872498 (1975-03-01), Pritchard
patent: 4485401 (1984-11-01), Tan et al.
Journal, SMPTE, Oct. 1984, "Experiments on Proposed Extended-Definition TV with Full NTSC Compatibility", By T. Fukinuki, et al, pp. 923-929.

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