Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1985-02-27
1987-02-10
Chambers, A. Michael
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 95, G11B 1548
Patent
active
046427066
ABSTRACT:
A recording and/or reproducing apparatus (1) for a magnetic tape (3) that can be drawn out of a cassette (2) introduced into the apparatus is provided for wrapping the magnetic tape around a drum-shaped scanning device (15) of the apparatus with a tape guide device (29), which has at least one tape guide (32,33) which is displaceable by means of a displacement device (30) between a rest position and an operating position and which in its operating position is positioned by means of a positioning device (68) arranged on a displaceable support (70), while it keeps the magnetic tape (3) wrapped around the scanning device (15). For adjusting the tape tension when the magnetic tape (3) wrapped around the scanning device (15) is driven, the apparatus (1) is provided with a tape tension adjustment device (12) comprising a tape tension indicator. The tape guide (32,33) situated in its operating position is disengaged from the displacement device (30) for this guide and is kept urged against the positioning device (68) by means of an urging device (78) provided on the support (70) for the positioning device (68), while the support (70) for the positioning device at the same time constitutes the tape tension indicator of the tape tension adjustment device (12).
REFERENCES:
patent: 3864742 (1975-02-01), Katoh
patent: 3969766 (1976-07-01), Tanaka et al.
patent: 4060840 (1977-11-01), Umeda
patent: 4510534 (1985-04-01), Maeda
Mader Leopold
Vollmann Norbert
Chambers A. Michael
Treacy David R.
U.S. Philips Corporation
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