H - Electricity – 04 – M
Patent
H - Electricity
04
M
363/1
H04M 3/56 (2006.01) H04N 7/15 (2006.01) H04Q 11/08 (2006.01)
Patent
CA 1170379
- 27 - A CIRCUIT FOR TRANSFERRING SIGNALS Abstract of the Disclosure A time slot interchanger is disclosed for selecting and buffering digital signals between buses. In one embodiment, a clock is used to generate time signals corresponding to time slots of the first bus. These signals are sequentially provided to an associative memory and when a match occurs between the provided signal and a priorly stored time slot identity, an enable signal is provided. The enable signal has a time identity with a first bus time slot and a physical identity with a particular second bus time slot. The enable signal is used to gate into a second memory the time slot signal associated with the time identity at the storage location in the second memory corresponding with the particular time slot of the second bus associated with the enable signal. The signal samples are then sequentially removed from the second memory. The arrangement is particularly useful in forming conferences in a distributed digital time division system.
400613
Moffitt Bryan S.
Ross Alexander R.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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