Head drum assembly provided with an amplifier therein

Details Head drum assembly provided with an amplifier therein Head drum assembly provided with an amplifier therein

1995-12-04

1997-09-09

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, 36013024, G11B 552

Patent

active

056662459

ABSTRACT:
A head drum assembly for use in a video cassette recorder ("VCR") includes a rotary drum, a stationary drum, a rotary transformer including a rotor and a stator transformers, and an amplifier. The amplifier is mounted onto an inner bottom surface of the stationary drum and is electrically connected to a second winding coils of the stator transformer.

REFERENCES:
patent: 4517615 (1985-05-01), Hino
patent: 4706144 (1987-11-01), Asada et al.
patent: 4835645 (1989-05-01), Ohji et al.
patent: 5321569 (1994-06-01), Sakai
patent: 5325248 (1994-06-01), Tabuchi et al.
patent: 5363263 (1994-11-01), Ohji et al.

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