Dynamic magnetic information storage or retrieval – General processing of a digital signal – In specific code or form
Patent
1987-03-30
1988-11-29
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
In specific code or form
300 51, G11B 509
Patent
active
047886056
ABSTRACT:
A circuit for producing a receive Manchester clock from serially received Manchester encoded data signals. The encoded data signals are differentiated to produce a primary clock pulse for each voltage transition of the applied signals. Each primary clock pulse is delayed a predetermined period of time to produce secondary clock pulse and each secondary clock pulse is delayed for substantially the same period of time to produce a tertiary clock pulse. The primary, secondary and tertiary clock pulses are applied to a gate which produces a receive Manchester clock pulse when a primary, secondary, or tertiary clock pulse is applied to the gate. The frequency of the receive Manchester clock is twice that of the basic frequency of the received Manchester encoded data signals.
REFERENCES:
patent: 4320525 (1982-03-01), Woodward
patent: 4542420 (1975-09-01), Kozlik et al.
Baumann Burke B.
Spiesman Robert L.
Canney Vincent P.
Honeywell Inc.
Lenkszus D. J.
Medved A.
Sapelli A. A.
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