Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data clocking
Patent
1993-09-16
1995-03-07
Hajec, Donald
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Data clocking
360 32, G11B 0509
Patent
active
053963776
ABSTRACT:
This invention relates to a device for correct converting of continuously reproduced serial data to original parallel data by detecting a synchronous signal, including a shift register for delaying serial data by a number of bits of a synchronous signal pattern in accordance with a serial clock, the serial data being reproduced from a magnetic recording medium, a detector for detecting a synchronous signal from an output signal of the shift register, a system controller for generating a predetermined bits interval of a parallel load signal and a parallel clock signal from the synchronous signal in accordance with the serial clock, a parallel shift register for converting the output signal of the shift register to a predetermined bits interval of parallel data in accordance with the parallel load signal, and counter part for counting the parallel clock signal to generate window signals detecting the synchronous signal in a certain period when the detector detects the synchronous signal.
REFERENCES:
patent: Re33665 (1991-08-01), Ogawa
patent: 4275421 (1981-01-01), Louie etal.
patent: 4530048 (1985-07-01), Proper
patent: 4651232 (1987-03-01), Lemoine et al.
patent: 4868922 (1989-09-01), Tsuji et al.
Goldstar Co. Ltd.
Hajec Donald
Minh Le Thien
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