H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/33
H04N 11/02 (2006.01) H04N 9/797 (2006.01) H04N 11/06 (2006.01)
Patent
CA 1232057
34 ABSTRACT: In the system an encoding circuit in the data generator transmits or stores identification information relating to variable numbers of television lines or vari- able portions of television lines in which luminance and chrominance information occurs, compressed where appro- priate. The data receiver comprises a simple, properly adaptable decoding circuit which comprises presettable counters for counting portions of television lines and for counting television lines, outputs of these counters being coupled to address inputs of a programmable memory which is coupled to a multiplexer which is switchable by the identification information and is followed by a logic circuit for generating control signals for a chrominance memory having the same write and read rates and for lum- inance and chrominance memories having said write rates and several read rates, under the control of a clock pulse source which is switchable via the logic circuit and the identification information. In the data generator the encoding circuit may be of a similar construction com- bined with luminance and chrominance memories having dif- ferent write rates and the read rate mentioned in the foregoing.
453385
de Haan Gerard
Polder Leendert J. Van de
Tan Sing L.
Vreeswijk Franciscus W.p.
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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