Recording and/or reproducing device

Details Recording and/or reproducing device Recording and/or reproducing device

1989-06-15

1990-03-27

Adams, Russell E.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

G11B 500

Patent

active

049125702

ABSTRACT:
A recording and/or reproducing apparatus includes a plurality of time base changing elements arranged to perform band compression and expansion by altering the time base of an incoming signal; a switching circuit arranged to selectively change audio signals inputted into and outputted from these time base changing elements from one over to another; and a recording-and-reproducing circuit arranged to record and reproduce the band compressed audio signal on and from a recording medium.

REFERENCES:
patent: 3828361 (1974-08-01), Schiffman
patent: 4032224 (1977-06-01), Wray
patent: 4413289 (1983-11-01), Weaver et al.
patent: 4449154 (1984-05-01), Ohnishi et al.
patent: 4620238 (1986-10-01), Gaskell et al.
patent: 4722009 (1988-01-01), Nakama et al.

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