Data recording apparatus

Details Data recording apparatus Data recording apparatus

1991-06-27

1993-06-29

Gensler, Paul

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

360 39, G11B 5035

Patent

active

052239900

ABSTRACT:
In a data recording apparatus, the data rate of an incoming information signal is used to select the frequency processing, such as band limiting or high frequency emphasizing, performed on the information signal to alter its frequency characteristic so that the information signal can be digitally recorded with magnetized patterns that are substantially similar even when recording at different recording speeds.

REFERENCES:
patent: 4479152 (1984-10-01), Chi
patent: 4517610 (1985-05-01), Minuhin
patent: 4920461 (1990-04-01), Eiberger
Patent Abstracts of Japan vol. 12, No. 473 (P-799)(3320) Dec. 12, 1988 & JP-A-63 191 374 (Sanyo Electric Co., Ltd.) Aug. 8, 1988.
Patent Abstracts of Japan vol. 14, No. 267 (P-1058) (4210) Jun. 8, 1990 & JP-A-27 3 567 (Sony Corp) Mar. 13, 1990.
Patent Abstracts of Japan vol. 10, No. 19 (P-423) (2076) Jan. 24, 1986 & UP-A-60 171 661 (Hitachi Seisakusho K.K.) Sep. 5, 1985.
Patent Abstracts of Japan vol. 11, No. 100 (P-561) (2547) Mar. 28, 1987 & JP-A-61 250 873 (Sony Corp) Nov. 7, 1986.

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