Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Patent
1990-09-27
1992-01-07
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
360 71, G11B 1500, G11B 1518
Patent
active
050796500
ABSTRACT:
An information signal recording and reproducing apparatus, including a recording arrangement for recording information signals, the recording arrangement including at least one rotary head obliquely tracing a tape-shaped recording medium, the information signals including four kinds of pilot signals for tracking control which have frequency components different from each other a manually operable arrangement for producing a command to change a recording operation of the recording arrangement, a mark signal supplying arrangement for intermittently supplying a mark signal to the recording arrangement for a predetermined period in response to the command produced by the manually operable arrangement, the mark signal mainly having a predetermined frequency component which is distinguishable from frequency components of the four kinds of pilot signals, a reproducing arrangement for reproducing signals recorded on the recording medium, the reproducing arrangement including at least one rotary head obliquely tracing the recording arrangement, a separation arrangement for separating the mark signal from signal reproduced by the reproducing arrangement, the separation arrangement including a band-pass filter through which the predetermined frequency component is passed, and a control arrangement for controlling a reproducing operation of the reproducing arrangement in response to the mark signal separated by the separation arrangement.
REFERENCES:
patent: 3789138 (1974-01-01), Terada
patent: 4558378 (1985-12-01), Shibata et al.
patent: 4651239 (1987-03-01), Omori et al.
patent: 4724494 (1988-02-01), Koide
patent: 4939596 (1990-07-01), Takayama et al.
Kozuki Susumu
Masui Toshiyuki
Nagasawa Kenichi
Takei Masahiro
Ushiro Tatsuzo
Canon Kabushiki Kaisha
Garland Steven R.
Psitos Aristotelis
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