Pulse or digital communications – Synchronizers – Frequency or phase control using synchronizing signal
Patent
1995-10-23
1997-08-26
Chin, Wellington
Pulse or digital communications
Synchronizers
Frequency or phase control using synchronizing signal
370514, H04L 700
Patent
active
056617640
ABSTRACT:
An input reception data is taken in a reception data shift register 2 under a control of an input control circuit 1. A unique word detection circuit 3 inputs data taken from given bit positions of the reception data taken in the reception data shift register 2 corresponding to bit positions assigned to a unique code and detects the unique code contained in the slot data signal to generate a matching signal. A slot counter sets an initial value in response to the matching signal from the unique word detection circuit 3 to establish a slot synchronization, and notifies establishment of the slot synchronization to a timing control circuit 5. The timing control circuit 5 takes a timing as a reception input completion signal and a timing of overall reception by the matching signal from the unique word detection circuit.
REFERENCES:
patent: 3801956 (1974-04-01), Braun et al.
patent: 4763339 (1988-08-01), Sutphin et al.
patent: 5018140 (1991-05-01), Lee et al.
patent: 5040195 (1991-08-01), Kosaka et al.
patent: 5058141 (1991-10-01), Kem et al.
Chin Wellington
NEC Corporation
Tran Congvan
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