Device for controlling the tape tension of a tape in a magnetic

Details Device for controlling the tape tension of a tape in a magnetic Device for controlling the tape tension of a tape in a magnetic

1989-11-13

1992-03-24

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360 743, 242 7543, 242189, G11B 1543, G11B 1532, G11B 508

Patent

active

050993712

ABSTRACT:
A tension controller of a tape recorder maintains a constant tension in a running tape in the tape recorder. One embodiment includes a friction element for generating frictional force on one side of a tape reel disk, a tension controller for controlling the tension of the tape in which the tension controller is resiliently contacted by means of a spring in an upper face of the friction element, a slant cam formed at the edge of the contacted surface, and a tension pole formed in the upper direction on one side of a tension arm. A lifter minimizes the frictional action on the tape by being connected to a moving lever formed on the lower side of the tension controller and raising the tension during controller high-speed searching. Automatic control of the infinitesimal tension of the tape and prevention of interference in the tape during high-speed searching may be attained. The deck can be compact and the number of parts for the fabrication can be reduced to a simple structure, thereby providing many advantages in the fabrication process.

REFERENCES:
patent: 3965483 (1976-06-01), Katoh et al.
patent: 3969766 (1976-07-01), Tanaka et al.
patent: 4350454 (1982-09-01), Schoenlein
patent: 4562496 (1985-12-01), Saito et al.
patent: 4614315 (1986-09-01), Gerrits et al.
patent: 4635146 (1987-01-01), Koda et al.
patent: 4636887 (1987-01-01), Kato et al.
patent: 4672476 (1987-06-01), Saito et al.
patent: 4751592 (1988-06-01), Hutter et al.

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