Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1977-08-02
1978-12-26
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
226196, 242 76, 242194, G11B 2304, G11B 1560
Patent
active
041319257
ABSTRACT:
An edge guide is provided for use in a narrow-track linear transport recorder. The guide forms a straight edge near a magnetic head for referencing the location of a magnetic tape with respect to the head. when a coaxial-reel tape cassette is inserted into the recorder, a pair of conical rollers provided in the cassette for use with the guide cooperatively urge an edge of the tape against the guide. The edge guide extends substantially the full distance between the rollers to minimize any tendency of the tape to buckle as it is urged against the guide. A tape drive engages the tape at a position outside of the span between the rollers to move the tape past the head without interfering with the cooperative action of the rollers and the edge guide. Thus, the critical edge guide requirements for narrow-track recording are met entirely outside of the mass-produced cassette.
REFERENCES:
patent: 2706638 (1955-04-01), Bruderlin et al.
patent: 3042331 (1962-07-01), Bierman
patent: 3376395 (1968-04-01), Rumple
patent: 3518647 (1970-06-01), Altonji et al.
patent: 3843035 (1974-10-01), Fitterer
patent: 3991956 (1976-11-01), Machida
patent: 4017897 (1977-04-01), Blanding
Firth Ronald R.
Horak Jerry R.
Close Thomas H.
Eastman Kodak Company
Eddleman Alfred H.
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