Magnetic recording/playback apparatus having magnetic head assem

Details Magnetic recording/playback apparatus having magnetic head assem Magnetic recording/playback apparatus having magnetic head assem

1989-11-20

1991-08-06

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360107, G11B 2126, G11B 2124

Patent

active

050382411

ABSTRACT:
A rotating drum of a magnetic recording/playback apparatus is fitted with a rail which extends in the radial direction of the drum. A head assembly has magnetic heads, grooves engaging the rail, and a stopper adapted to engage the rail. In this arrangement, each magnetic head is automatically located in a predetermined position when the head assembly is set in place on the rotating drum after the head assembly, moved in the radial direction of the drum so that the grooves are guided by the rail, is prevented from moving by the stopper. In this manner, the magnetic heads can be accurately positioned with ease. Thus, even a user can easily replace the head assembly.

REFERENCES:
patent: 4081847 (1978-03-01), Shimada et al.
patent: 4099211 (1978-07-01), Hathaway
patent: 4151569 (1979-04-01), Hathaway
patent: 4151570 (1979-04-01), Ravizza et al.
patent: 4184183 (1980-01-01), Dolby
patent: 4647999 (1987-03-01), Mlinaric et al.

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