Method and a circuit for decoding a C.M.I. encoded binary signal

Details Method and a circuit for decoding a C.M.I. encoded binary signal Method and a circuit for decoding a C.M.I. encoded binary signal

1979-07-19

1982-04-13

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1324

Patent

active

043250530

ABSTRACT:
A method of decoding a C.M.I. encoded binary signal, the method comprising the steps of: detecting the 0 to 1 transitions in the C.M.I. encoded binary signal; in detecting the 1 to 0 transitions in the same signal; in eliminating from the detected 0 to 1 transitions those transitions which appear one binary bit period after the immediately preceding 1 to 0 transitions; and in using the remaining 0 to 1 transitions to synchronize pulses of a duration equal to one bit period thereby obtaining, after inversion, a signal in NRZ-L code corresponding to the binary data contained in the C.M.I. encoded signal.

REFERENCES:
patent: 3404391 (1968-10-01), Chur
patent: 3683277 (1972-08-01), Kuller
patent: 3699554 (1972-10-01), Jones
patent: 3930121 (1975-12-01), Mathiesen
patent: 3953673 (1976-04-01), Dorward
patent: 3967061 (1976-06-01), Dobias
patent: 4139870 (1979-02-01), Tachi
Levy, "IBM Technical Disclosure Bulletin", vol. 15, No. 7, Dec. 1972, pp. 2350-2351.

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