Tape head shift apparatus for multi-track tape player

Details Tape head shift apparatus for multi-track tape player Tape head shift apparatus for multi-track tape player

1976-08-16

1977-08-09

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2108, G11B 555

Patent

active

040415392

ABSTRACT:
In a multi-track tape player, a motor driven capstan normally drives tape past a tape head shiftable between tape tracks by a rotatable cam. An idler member is actuable to engage a driving member on the capstan to be positively rotatably driven thereby through a predetermined rotational angle and then disengage. Geneva gear apparatus connects the idler member to the rotatable cam and comprises a geneva drive member with a circular cam having a concave excluded sector and a pin and a geneva driven member having a wing for each tape track, each wing having a concave peripheral surface for normal engagement with the circular cam to hold the cam in certain rotational position and a slot between each pair of adjacent wings adapted to be engaged by the pin upon rotation of the geneva drive member to rotate the cam to its next position and thereby shift the tape head between tracks.

REFERENCES:
patent: B487411 (1976-02-01), Nishinakagawa
patent: 3575422 (1971-04-01), Peltz et al.
patent: 3663022 (1972-05-01), Ban
patent: 3921216 (1975-11-01), Wada

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