Rotary transformer arrangement for a magnetic tape system drum a

Details Rotary transformer arrangement for a magnetic tape system drum a Rotary transformer arrangement for a magnetic tape system drum a

1997-04-03

1998-03-03

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

36013024, G11B 552

Patent

active

057242151

ABSTRACT:
A drum assembly for a magnetic tape reading and writing system, comprises: a static drum; a rotary spindle coaxial with the static drum and connected to a drive motor; a rotary drum mounted on the spindle; at least one pair of read heads for video and a pair of read heads for audio, each of the read heads rigidly attached to the rotary drum; a first rotary transformer mounted inside the rotary drum, on the rotary spindle, and connected to one of the pairs of read heads; and, a second rotary transformer mounted outside the rotary drum, on the rotary spindle, and connected to the other one of the pairs of read heads.

REFERENCES:
patent: 4654738 (1987-03-01), Kato et al.
patent: 5278715 (1994-01-01), Willmann et al.
patent: 5299085 (1994-03-01), Sawai et al.

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