H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/12
H04N 1/06 (2006.01) H04N 1/191 (2006.01) H04N 1/32 (2006.01)
Patent
CA 1167561
Abstract A drum-type transceiver facsimile machine having a plurality of light-to-electric transducers 27-30 and a plurality of printing styli 41-44 moved axially of the drum 10 for scan/print operation. Shift register means 61-64 and a buffer memory 56 controlled by a programmed microprocessor 58,65 provide for multiplexing of signals from the transducers having a scan operation and demultiplexing of signals during the print mode with use of a buffer memory permitting comprestion of the multiplexed signals and decompression of received signals prior to demultiplexing.
399210
Norrell Donald L.
Petersen Kurt H.
Schmid Ronald F.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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