Rotary drum assembly for a video tape recorder

Details Rotary drum assembly for a video tape recorder Rotary drum assembly for a video tape recorder

1989-12-07

1991-12-03

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

050704249

ABSTRACT:
A rotary drum assembly for a VTR including a rotary drum and a disk. The rotary drum fixedly holding magnetic heads, and first power feeding members (slip rings) included in a power feeding unit for feeding power to electronic signal processing circuit for processing signals for the magnetic heads are provided concentrically on the surface of the disk fixed to a spindle. First connecting members, fixedly provided on the rotary unit, connected to a wiring board connected to the terminals of the coils of the magnetic heads to transmit signals to or from the magnetic heads and to feed power fed through the first power feeding members of the power feeding unit to the wiring board, and second connecting members, provided between the wiring board and the first power feeding members, are secured to support plates, and the support plates are disposed in a region radially inside mating surfaces which are brought into contact each other in attaching the rotary drum to the disk.

REFERENCES:
patent: 4184183 (1980-01-01), Dolby
patent: 4654738 (1987-03-01), Kato et al.

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