Magnetic head drum for video data recording and reading apparatu

Details Magnetic head drum for video data recording and reading apparatu Magnetic head drum for video data recording and reading apparatu

1992-05-15

1995-02-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360108, 36013024, G11B 552, G11B 1560

Patent

active

053921801

ABSTRACT:
A magnetic head drum of a helical-scan type for a data record/read apparatus comprises upper and lower stationary drums securely mounted on a stationary spindle, a rotary drum rotatably supported on the spindle, and a motor for rotating the rotary drum around the spindle. The motor comprises a rotor secured to the rotary drum, a stator secured to the upper drum, and a back yoke supported on the rotor. The upper drum is accomodated within the rotary drum in radially remote relationship thereto. The stator is electrically connected to a flexible circuit board by a connecting arrangement mounted on the upper drum.

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patent: 4970611 (1990-11-01), Kodama et al.
patent: 5086361 (1992-02-01), Kawada et al.
patent: 5113298 (1992-05-01), Fukushima et al.
patent: 5195001 (1993-03-01), Murakami et al.
patent: 5212610 (1993-05-01), Falk et al.

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