VCR magnetic recording head for both digital and VHS format

Details VCR magnetic recording head for both digital and VHS format VCR magnetic recording head for both digital and VHS format

1990-12-28

1993-10-19

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 103, 360 75, 360 7716, G11B 2124, G11B 2102, G11B 553

Patent

active

052551407

ABSTRACT:
A double azimuth four-head drum may be made to be jointly usable in a digital VCR and VHS-VCR. A piezoelement is respectively installed between the head drum and the first standard play channel head and the first extended play channel head, and a switch is coupled to the piezoelement to apply a control voltage thereto.

REFERENCES:
patent: 4581662 (1986-04-01), Sato
patent: 4590523 (1986-05-01), Honjo et al.
patent: 4791507 (1988-12-01), Doyana et al.
patent: 4924325 (1990-05-01), Tamashita
patent: 4974111 (1990-11-01), Platte et al.
patent: 5045954 (1991-09-01), Oishi et al.
patent: 5051846 (1991-09-01), Tsushima et al.
patent: 5057949 (1991-10-01), Suga et al.

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