Digital data recording apparatus

Details Digital data recording apparatus Digital data recording apparatus

1993-08-30

1994-11-01

Hajec, Donald

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 51, G11B 1514, G11B 509

Patent

active

053611780

ABSTRACT:
A digital data recording apparatus includes a plurality of encoders for subjecting digital signals to a prescribed signal processing so as to supply a plurality of digital data signals, a memory part for temporarily storing the plurality of digital data signals supplied from the plurality of encoders, a selection part responsive to a sequence of selecting signals for selecting one of the plurality of digital data signals output from the memory part in accordance with the sequence of selecting signals and for supplying a selected digital data signal to a recording amplifier, and a timing control part for supplying one of the selecting signals to the selection part in accordance with a prescribed time sequence when a recording head is brought in contact with a magnetic tape within a time period in which a rotary drum is rotated one revolution, and for allowing the plurality of digital data signals supplied from the plurality of encoders to be written to the memory part at a first frequency, and for allowing the plurality of the thus stored digital data signals to be read from the memory part at a second frequency higher than the first frequency, wherein the plurality of digital data signals are recorded in one of a plurality of tracks of the magnetic tape in accordance with the sequence of the selecting signals supplied from the timing control part to the selection part.

REFERENCES:
patent: 4547816 (1985-10-01), Sochor
patent: 4549227 (1985-10-01), Hashimoto et al.
patent: 4807060 (1989-02-01), Takahashi et al.
patent: 5063453 (1991-11-01), Yoshimura et al.
patent: 5247396 (1993-09-01), Nagai et al.
Patent Abstracts of Japan vol. 10, No. 030 (P-426) 5 Feb. 1986 and JP-A-60 179 962 (Matsushita Denki Sangyo K.K.) 13 Sep. 1985.
Patent Abstract of Japan vol. 9, No. 253 (P-395)(1976) 11 Oct. 1985 and JP-A-60 103 560 (Sony K.K.) 7 Jun. 1985.
Patent Abstracts of Japan vol. 10, No. 41 (P-429)(2098) 18 Feb. 1986 and JP-A-60 187 973 (Sony K.K.) 25 Sep. 1985.

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