Rotary head assembly

Details Rotary head assembly Rotary head assembly

1976-04-09

1978-03-28

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, G11B 552, G11B 2118

Patent

active

040818470

ABSTRACT:
A rotary head assembly, for example, for recording and/or reproducing video signals on a recording tape which is wrapped about at least a portion of the circumference of a tape guide drum, includes a primary support member moved in a circular path which is concentric with the guide drum, an intermediate support member, a first spring or springs connecting the primary and intermediate support members for yieldably resisting centrifugal movement of the intermediate support member relative to the primary support member, and a recording and/or reproducing head member or transducer connected to the intermediate support member by a second spring or springs providing the head member with a natural frequency of movement relative to the intermediate support member which is suitable to cause the head member to follow high frequency vibration of the tape and to reduce hunching of the latter at the location where the head member first contacts the tape, and which is substantially greater than the natural frequency of the centrifugal movement of the intermediate support member relative to the primary support member so that such centrifugal movement can ensure the adequate contact of the head member with the tape in response to movement of the primary support member in its circular path. SU

REFERENCES:
patent: 2856463 (1958-10-01), Lyon
patent: 3076060 (1963-01-01), Horstkorta
patent: 3107280 (1963-10-01), Suetsugu
patent: 3401236 (1968-09-01), Narama
patent: 3673347 (1972-06-01), Schoenmakers
patent: 3775567 (1973-11-01), Bruck

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