Operating mechanisms of tape recorders

Details Operating mechanisms of tape recorders Operating mechanisms of tape recorders

1979-06-26

1981-04-21

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

242204, 360 963, 360137, 360 71, G11B 1526, G11B 554

Patent

active

042636310

ABSTRACT:
In an operating mechanism of a tape recorder wherein play, fast forward running and rewinding modes are switched by a pair of solenoids through an operating plate, the operating plate is rotated about a center of rotation when either one of the solenoids is energized but moved linearly when both solenoids are energized. There are also provided a head mechanism for moving a recording and reproducing head to a play position during play mode but separating the head from the play position during another modes, a spring for urging the head away from the play position, and a brake mechanism connected to the plunger of one solenoid to apply a braking force to the take-up and supply reel posts when both solenoids are not energized and to separate the brake mechanism from the take-up and supply reel posts when either one of the solenoid is energized.

REFERENCES:
patent: 3664672 (1972-05-01), Fujikawa et al.
patent: 3821800 (1974-06-01), Maltese
patent: 3838459 (1974-09-01), Bettini
patent: 3881187 (1975-04-01), Nakamichi
patent: 4071865 (1978-01-01), Nakasuna

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