Magnetic tape reproducing apparatus with manually overrideable c

Details Magnetic tape reproducing apparatus with manually overrideable c Magnetic tape reproducing apparatus with manually overrideable c

1976-04-19

1977-08-02

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360 13, G11B 1560, G11B 2702

Patent

active

040401146

ABSTRACT:
Reproducing apparatus for magnetic tape having a pressure roller mounted on a first movable member and a tape lifter mounted on a second movable member. Solenoid and spring means connected to the first movable member moves the pressure roller between a tape-driving position pressing the tape into frictional driving engagement with a capstan, and a non-tape-driving position spaced from the capstan. Mechanical connecting means between the movable members moves the tape lifter between lifted and lowered positions in response to movement of the first member between its non-tape-driving and tape-driving positions. The mechanical connecting means includes a lost motion connection enabling manual override movement of the tape lifter between its lifted and lowered positions when the first member is in its non-tape-driving position for fast mode operation. This enables manual adjustment of tape proximity to the head, and therefore adjustment of audio output level while editing or scanning the tape in a fast mode. The mechanical connecting means also includes manually overrideable detent means to hold the tape lifter in lowered position when the first member is in the non-tape-driving position to provide preselected audio output level while editing the tape in fast mode.

REFERENCES:
patent: 3372938 (1968-03-01), Hoag
patent: 3506271 (1970-04-01), Greifenmagen et al.
patent: 3623644 (1971-11-01), Olsen

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