Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Patent
1991-02-26
1992-12-15
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
360 966, G11B 5008
Patent
active
051722844
ABSTRACT:
A cassette loading mechanism operable with either one of first and second cassettes each accommodating therein a reeled magnetic recording tape. The first cassette is of a type having a uniform thickness and a head access window and at least one roller access window defined at a front thereof and also has a normally closed slide shutter for selectively opening and closing both of the head and roller access windows. The second cassette has a head access window and at least one roller access window defined at a bulged region at a front thereof and has therefore maximum and minimum thicknesses. The cassette loading mechanism has spaced apart holders for holding either one of the first and second cassettes, a detecting lever assembly movable in a plane parallel to a cassette inserting plane between first and second positions and also for movement in a direction generally diverging from the cassette inserting plane. The assembly normally biased to the first position by a biasing element is moved towards the second position in response to the insertion of only the first tape cassette. The assembly includes an actuating element for moving the slide shutter towards the opened position as the lever assembly is moved towards the second position. The lever assembly is also moved in a direction away from the cassette inserting plane in the event that the second tape cassette is inserted to allow the bulged region of the second tape cassette to pass clear of the actuating element.
REFERENCES:
patent: 4618903 (1986-10-01), Oishi et al.
patent: 4620254 (1986-10-01), Smith, II
patent: 5005092 (1991-04-01), Shigenai
Heinz A. J.
Matsushita Electric - Industrial Co., Ltd.
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