Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1993-05-26
1995-04-11
Hajec, Donald
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
369 60, 360 51, H04N 576, G11B 509
Patent
active
054065399
ABSTRACT:
An apparatus for recording data having two transition states consisting of leading and trailing edges on the tracks of a disc rotating at a predetermined angular velocity via a head, includes a circuit for generating a plurality of modulated data whose leading edge transitions are synchronized with respect to a transitional state of the recording data and whose trailing edge transitions are delayed with respect the opposite transitional state of the recording data, according to the respective predetermined delay characteristics; a circuit for selecting one of the plurality of delayed data generated from the delayed data generating circuit according to the positions at which the data is to be recorded; and a circuit for modulating the data according to the delayed data selected by the selecting circuit and providing the modulated data to the head.
REFERENCES:
patent: 5103441 (1992-04-01), Yokogawa
patent: 5111443 (1992-05-01), Yokogawa
patent: 5206843 (1993-04-01), Kaburagi
patent: 5216657 (1993-06-01), Nishiuchi et al.
patent: 5315402 (1994-05-01), Ito et al.
Ko Seong-rho
Paeng Sang-ki
Forbus, Jr. Thomas N.
Hajec Donald
Samsung Electronics Co,. Ltd.
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