H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/29
H04Q 3/54 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1132235
ABSTRACT OF THE DISCLOSURE In a digital data transmission system including one or more matrix switches in which data in digital form is stored in a send memory during one selected time slot of a recurring time frame, transferred to a receive memory and sent out from the receive memory during another time slot of the recurring time frame to establish desired data paths through the switch between selected inputs and outputs, means is provided in the form of a programmable read only memory to control the insertion loss of each data path in a selective manner.
331421
Smart & Biggar
Stromberg-Carlson Corporation
LandOfFree
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