Multi-screen feature for improved definition television digital

Details Multi-screen feature for improved definition television digital Multi-screen feature for improved definition television digital

1990-03-01

1992-02-25

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358160, 358140, 358 21R, 358 22PIP, 358188, 364749, H04N 5262

Patent

active

050917862

ABSTRACT:
A television receiving system includes a digital unit, which has at least one single-instruction multiple-data processor, especially suited for television processing. The processor receives data samples of each horizontal line word-serially, but processes the line in parallel. The processor has input, computational, and output layers that operate concurrently. Internal register files emulate line memory to eliminate the need for external line memories. The processor may be programmed with various improved definition television tasks, downloaded to it from a host development system. Field memories and multiplexers control the data flow so that a sub-picture and a full size picture may be displayed at one time.

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patent: 4939575 (1990-07-01), Childers
S. Naimpally et al., "Integrated Digital IDTV Receiver with Features", IEEE Transactions on Consumer Electronics, vol. 34, No. 3, Aug. 1988.
K. Sunada et al., "High Picture Quality TV Receiver with IDTV System", IEEE Transactions on Consumer Electronics, vol. 34, No. 4, Nov. 1988.
Fisher, Allan L. et al, Real-Time Image Processing on Scan Line Array Processors, IEEE, Mar. 1985, pp. 484-488.
T. J. Fountain, Plans for the CLIP7 Chip, "Integrated Technology for Parallel Image Processing", 1985, pp. 199-214.

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