Time division system for synchronizing functions controlled...

Details Time division system for synchronizing functions controlled... Time division system for synchronizing functions controlled...

H - Electricity

04

J

363/13, 344/25

H04J 3/06 (2006.01) G11C 7/00 (2006.01) H04M 7/00 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1082823

TIME DIVISION SYSTEM FOR SYNCHRONIZING FUNCTIONS CONTROLLED BY DIFFERENT CLOCKS ABSTRACT OF THE DISCLOSURE: Synchronization control circuit for a time divisional data transmitting and receiving system. Data is received at an exchange at a clock rate determined by the transmitting station and is stored in memory at the incoming rate. The memory has cells for temporarily storing each bit of a coded combination, as received. Read-out of data from the memory is based on the internal clock rate of the exchange. Since only one operation - read or write - can occur on a memory at any one time ant the operations are controlled at rates which may be out of synchronism with one another, conflicts may occur. To prevent such conflicts, an exclusion circuit is provided to evaluate the interval separating reading and writing operations and to produce a time shift of predetermined duration between operations when the out-of-synchronism interval is less than a predetermined time interval.

257871

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