Rotary magnetic tape transducer headwheel structure

Details Rotary magnetic tape transducer headwheel structure Rotary magnetic tape transducer headwheel structure

1987-09-14

1989-04-18

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 67, 360108, G11B 1514, G11B 5102, G11B 552

Patent

active

048232114

ABSTRACT:
To effectively eliminate cross-talk between the weak signals picked up by a tape transducer pick-up head with signals being applied to a recording head, a disk-like headwheel carrier has a disk-like headwheel secured thereto. The disk-like headwheel carrier is formed with a recess which defines a chamber (6) in which the preamplifier for the reproduced signals is placed. Transducer leads are passsed in a channel duct formed between the headwheel carrier and the disk-like headwheel, which is in plate form. Preferably, both the disk-like headwheel as well as the carrier are made of lightweight metal, such as aluminum, so that the reproducing amplifier is totally shielded. The recording amplifier can be placed on top of the disk-like headwheel, separated and shielded from the reproducing preamplifier.

REFERENCES:
patent: 3823415 (1974-07-01), Fisher et al.
patent: 4524396 (1985-06-01), Schulz et al.

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