Magnetic-head unit including rotary and stationary transformer s

Details Magnetic-head unit including rotary and stationary transformer s Magnetic-head unit including rotary and stationary transformer s

1989-04-12

1991-05-28

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

36013024, 360108, 36013022, 360107, G11B 3314, G11B 552

Patent

active

050199269

ABSTRACT:
A magnetic-head unit (1) is disclosed which includes a lower and an upper drum (3, 4), between which a rotary head disc (17) is interposed, which disc carries a plurality of magnetic heads (18). The magnetic heads (18) are electrically connected to a transformer comprising a rotary transformer section (8) and a stationary transformer section (10), the stationary transformer section (10) being connected to an amplifier arrangement (16) accommodated in a shielding cover (14, 15). The stationary transformer section (10) is arranged near the upper side of the upper drum (4), a bridge construction (11) being arranged externally of the magnetic-head unit (1) to secure the stationary transformer section (10) to the frame (2) of the magnetic-head unit. The amplifier arrangement (16) is situated inside the shielding cover (14, 15) in the direct proximity of the stationary transformer section (10).

REFERENCES:
patent: 3995317 (1976-11-01), Schmidt
patent: 4509084 (1985-04-01), Fujioka et al.
patent: 4654738 (1987-03-01), Kato et al.
patent: 4823211 (1989-04-01), Schulz et al.
patent: 4829401 (1989-05-01), Vranken
patent: 4891726 (1990-01-01), Suwa et al.

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