Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1994-08-18
1997-10-28
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 84, 36013024, G11B 552, G11B 2104
Patent
active
056822839
ABSTRACT:
A rotary head apparatus including a circuit board with an optimum and shortest distance between magnetic heads of the rotary head apparatus and a rotary transformer thereof. The members used in the present invention connect the above elements in a simple construction and positively transmitting signals can be reached. The rotary head apparatus comprises a first conductive member which is in contact with and electrically connected to lead terminals of a winding of a magnetic head and to an electronic circuit member. The circuit member is installed on the upper surface of the circuit board (the magnetic head side), which is mounted to a rotary drum equipped with the magnetic heads. A second conductive member is connected to the electronic circuit member and is in contact with and is electrically connected to lead terminals of a winding of a rotor of a rotary transformer. It is possible to arrange the circuit board with an optimum and shortest distance between the magnetic heads and the rotary transformer to connect these elements in a simple construction and to transmit signals with a high degree of certainty and with reduced transmission losses without being badly affected by oscillations, etc.
REFERENCES:
patent: 4654738 (1987-03-01), Kato et al.
patent: 5010432 (1991-04-01), Fukushima et al.
patent: 5019926 (1991-05-01), Van Thuijl et al.
Hukagawa Takahumi
Segawa Masao
Uyama Kazuyuki
Kabushiki Kaisha Toshiba
Levy Stuart S.
Ometz David L.
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