Magnetic-tape-cassette apparatus including pinch roller-operated

Details Magnetic-tape-cassette apparatus including pinch roller-operated Magnetic-tape-cassette apparatus including pinch roller-operated

1989-07-11

1991-06-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Miscellaneous

360 962, G11B 5008

Patent

active

050237420

ABSTRACT:
The invention relates to a magnetic-tape-cassette apparatus (1) comprising a deck for playing magnetic-tape cassettes (2), containing a magnetic tape (29). The deck includes at least one drivable capstan (30 or 31) and a pressure roller counterpart (35) which can be applied to the capstan. The pressure roller (35) and a magnetic head (27), past which the magnetic tape (29) is moved, are arranged on a head-mounting plate (26) which is withdrawn in a rest or fast-wind position and which is moved forwards in a play position. In the latter position the pressure roller (35), which is supported on a pivotable support (32) of the head-mounting plate (26), is pivoted against the capstan (30 or 31) by the support. Switching elements (39), for producing muting and/or track direction detection signals, are arranged on the head mounting plate (26) adjacent the pressure-roller supports (32), which elements can be set to a switch position by the pressure-roller supports (32) when these supports are pivoted as a result of the pressure rollers being applied to the capstans during operation of the deck. In this position the switching elements (39) provide muting and/or track direction detection at the magnetic head (27) or the preamplifier of the deck (1).

REFERENCES:
patent: 3810237 (1974-05-01), Nozawa
patent: 3838459 (1974-09-01), Bettini et al.
patent: 4149203 (1979-04-01), Kobayashi et al.
patent: 4346415 (1982-08-01), Tomabechi et al.
patent: 4442467 (1984-04-01), Ikedo
patent: 4564873 (1986-01-01), Hashimoto
patent: 4583139 (1986-04-01), Saito
patent: 4623945 (1986-11-01), Deutsch et al.

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