Apparatus for loading a tape on a magnetic head drum of a helica

Details Apparatus for loading a tape on a magnetic head drum of a helica Apparatus for loading a tape on a magnetic head drum of a helica

1989-10-17

1991-08-20

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 95, 36013024, G11B 5027, G11B 5008, G11B 1560

Patent

active

050419285

ABSTRACT:
A tape loading apparatus comprising a cassette including a videotape received in the cassette, with a longitudinal axis of the received tape forming a tape datum plane in the cassette. A helical scanning type magnetic head drum is provided having a cylindrical head drum surface and a lead edge, with the tape being set on the cylindrical head drum surface for scanning. The lead edge maintains the lead angle between the tape and the magnetic head drum and limits the vertical movement of tape on the cylindrical head drum surface. A tape-drum contacting axis is a contacting line at which the longitudinal axis of the tape set along the lead edge contacts with the cylindrical head drum surface after the tape setting operation on the cylindrical head drum surface is completed with both of the longitudinal ends of the tape-drum contacting axis being arranged substantially on a plane parallel to the tape datum plane. A tape setting device draws out the tape from the cassette, guides the tape along the lead edge and sets the tape on the cylindrical head drum surface for scanning the tape, so that damage to the tape is prevented.

REFERENCES:
patent: 4122506 (1978-10-01), Kubo et al.
patent: 4445154 (1984-04-01), Kihara et al.
patent: 4692824 (1987-09-01), Takahara et al.
patent: 4697214 (1987-09-01), Sasakawa
patent: 4928191 (1990-05-01), Kaku et al.
patent: 4939606 (1990-07-01), Nakanishi

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