Head drum assembly of a video cassette recorder

Details Head drum assembly of a video cassette recorder Head drum assembly of a video cassette recorder

1997-08-29

1999-01-12

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

058597522

ABSTRACT:
Disclosed is a head drum assembly of the video cassette recorder providing a lower drum, a motor which is mounted at the lower drum, ant upper drum rotating by the motor, a rotary transformer which is installed between the lower drum and the upper drum, and a plurality of head bases having one or more heads for reproducing the video signals from a magnetic tap and being integrally formed with the rotary transformer. The head bases and the rotary transformer are formed as one body by an insert molding. Advantages of the present invention are that assembling of the head assembly is easy, productivity is increased, and the manufacturing cost thereof is reduced.

REFERENCES:
patent: 4400751 (1983-08-01), Tominaga
patent: 4564876 (1986-01-01), Takahashi
patent: 5010432 (1991-04-01), Fukushima et al.
patent: 5392507 (1995-02-01), Juncker et al.
patent: 5432658 (1995-07-01), Kajita et al.
patent: 5463506 (1995-10-01), Mitsuyasu et al.
patent: 5581426 (1996-12-01), Kim
patent: 5694273 (1997-12-01), Takeuchi

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