G - Physics – 03 – G
Patent
G - Physics
03
G
352/10.4
G03G 19/00 (2006.01) G11B 5/02 (2006.01) G11B 27/34 (2006.01)
Patent
CA 1072672
Abstract of the Disclosure A cassette tape recorder including a device for making index marks on a strip denoting the position of magnetic tape relative to a magnetic head, the marking strip being on a cassette exterior surface and having magnetically alignable particles by which visible, magnetically erasable marks can be made. The marking device includes a controllable magnet for selectively magnetizing an element made of a soft magnetic material which conducts flux to the strip. In a magnetic tape cassette adapted for such apparatus a strip with magnetically alignable particles is arranged on at least one major flat wall of the cassette, so as to be readily visible.
269555
Bretschneider Hermann
Fischer Karl
Hueber Herman P.
Louzil Friedrich
Jager Lothar
N.v. Philips Gloeilampenfabrieken
Sagan Johann
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