Dynamic magnetic information storage or retrieval – Record editing
Patent
1967-11-27
1978-10-24
Cardillo, Jr., Raymond F.
Dynamic magnetic information storage or retrieval
Record editing
360 35, H04N 579, H04N 5795
Patent
active
041224990
ABSTRACT:
A video signal recording and reproducing system having a recording disc or cylinder which is rotated substantially in synchronism with the period or one-mth (m is an integer) the period of the vertical synchronizing signal in a video signal, and a magnetic head which is intermittently movable within a one-field period in a certain relation with the vertical synchronizing signal. In the system, a series of signal portions each representing at least one field of the video signal and spaced from each other by a time which is p times (p is an integer) the length of one field are successively concentrically recorded on the disc or cylinder, and the concentrically recorded tracks are successively reproduced while repeating the reproduction on each track a plurality of times.
REFERENCES:
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patent: 3007144 (1961-10-01), Hagopian
patent: 3170031 (1965-02-01), Okamura
patent: 3294902 (1966-12-01), Maxey
patent: 3359365 (1967-12-01), Kihara
patent: 3375331 (1968-03-01), Okazaki et al.
patent: 3397283 (1968-08-01), Stosberg et al.
Japanese Publication No. SHO 38-17909, 9/63.
Kanai Kenji
Sugaya Hiroshi
Cardillo, Jr. Raymond F.
Matsushita Electric - Industrial Co., Ltd.
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