Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1987-07-15
1991-07-30
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
369220, G11B 558, G11B 709, G11B 2110
Patent
active
050364197
ABSTRACT:
The disclosed electro-mechanical transducing element has an elongated shape and is mechanically deformable in response to a supplied electrical signal. One or more electrically conductive portions are formed to run along the direction of elongation to form one or more electrical paths for one or more electrical members which are to be affixed to a portion or portions near the free end of the elongated element. According to a disclosed embodiment the electrical member or members are mechanically moved through mechanical deformation of the element. Electrical lead wires are connected to the electrically conductive portions at the first end of the element opposite the free end, thereby eliminating the influence of the lead wires on the deformation performance of the element.
REFERENCES:
patent: 3349174 (1964-02-01), Warschauer
patent: 3911483 (1975-10-01), Kihara et al.
patent: 4099211 (1978-07-01), Hathaway
patent: 4151569 (1979-04-01), Hathaway
patent: 4268880 (1981-05-01), Majima
patent: 4326228 (1982-04-01), Sakamoto
patent: 4432027 (1984-02-01), Higuchi
Maeda Masaya
Okauchi Shigeki
Canon Kabushiki Kaisha
Tupper Robert S.
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