Dynamic magnetic information storage or retrieval – Splitting – processing and recombining one information signal...
Patent
1992-02-26
1994-08-16
Look, Edward K.
Dynamic magnetic information storage or retrieval
Splitting, processing and recombining one information signal...
360 723, 360 742, G11B 1520
Patent
active
053392000
ABSTRACT:
The present invention provides an improvement in the function of automatically rewinding a tape-shaped recording medium to an immediately previous recording start position or to an immediately previous stop position, and the accuracy of this rewinding is improved by using pulses according to the rotation of a capstan. A position to which the tape-shaped recording medium is to be rewound is accurately associated not with the immediately previous travel start position of the medium but with the immediately previous recording start position. Further, when the tape-shaped recording medium is to be stopped after the rewinding, the stop position is made to differ from the immediately previous stop position of the tape-shaped recording medium, thereby preventing damage to the medium. Further, meaningless rewinding is prevented by disabling the aforesaid function on the basis of the amount or elapsed time of tape travel from the immediately previous recording start position. Further, whether the function is enabled is displayed for the sake of convenience of a user. Further, during the aforesaid rewinding, a signal is reproduced so that the user can judge whether the rewinding has succeeded. Further, there is provided the function of cancelling the aforesaid function and causing the tape-shaped recording medium to travel to a position where it was located before this function was operated.
REFERENCES:
patent: 3646260 (1972-02-01), Bolger
patent: 4341363 (1982-07-01), Inatome
patent: 4482926 (1984-11-01), Nishijima et al.
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patent: 4691251 (1987-09-01), Ookawa et al.
patent: 4841388 (1989-06-01), Hori
Koyama Shinichi
Takayama Nobutoshi
Canon Kabushiki Kaisha
Lee Michael S.
Look Edward K.
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