Rotary head drum for a VCR having an improved connection structu

Details Rotary head drum for a VCR having an improved connection structu Rotary head drum for a VCR having an improved connection structu

1996-10-28

1998-07-14

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

057813825

ABSTRACT:
Disclosed is a rotary head drum for a VCR having an improved structure for connecting a VCR head to a rotary transformer. A printed circuit board having an electro-conductive pattern is mounted on a head base. The first end of the electro-conductive pattern is electrically connected to a wire of the video head by means of soldering, and an electro-conductive adhesive is provided at the second end of the electro-conductive pattern. The head base is attached to the bottom surface of an upper drum by a screw. After mounting a fixing plate on an upper rotary transformer, a connecting wire extending from the upper rotary transformer is fixed to a bottom surface of a horizontal portion of the fixing plate by soldering. Next, the upper rotary transformer is fixed to the bottom surface of the upper drum. The VCR head does not require a soldering work while the upper rotary transformer is being assembled, thereby improving work efficiency. Since the soldering work is carried out before the assembling process, the number of inferior products which are caused by a soldering fault may be reduced.

REFERENCES:
patent: 5299085 (1994-03-01), Sawai et al.
Japanese Patent Abstract 60-209902, Moriyama et al., 22 Oct. 1985.

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