Coded data generation or conversion – Digital code to digital code converters – To or from nrz codes
Patent
1987-12-30
1989-11-14
Shoop, Jr., William M.
Coded data generation or conversion
Digital code to digital code converters
To or from nrz codes
375 55, 375 87, 360 42, H03M 512
Patent
active
048810592
ABSTRACT:
An improved Manchester code receiver is disclosed which samples the received signal and subtracts from that sample a previous sample of the received signal delayed by a half-bit time interval. A timing extractor selects sample timing from the central zero crossing of the received signal. The sample time is selected to be a quarter-bit time after the zero crossing time of the received signal.
REFERENCES:
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patent: 4507794 (1985-03-01), Jones
patent: 4573169 (1986-03-01), van Gerwen
patent: 4603322 (1986-07-01), Blair
patent: 4688232 (1987-08-01), Fox
American Telephone and Telegraph Company
AT&T Information Systems Inc.
Caccuro John A.
Romano G.
Shoop Jr. William M.
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