Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1991-10-28
1993-08-10
Westin, Edward P.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 92, 414273, 414331, H04N 926
Patent
active
052354741
ABSTRACT:
A computer storage unit usable with DAT cassettes. The unit has a tape drive, a carriage that is movable laterally relative to the tape drive opening, and a magazine having slots sized to releasably hold the cassettes therein. The magazine is releasable attachable to the carriage. A pair of gripper arms is rotatably mounted at the end of an arm attached to a traveler which moves the gripper arms between a selected magazine slot and the tape drive opening. The gripper arms are rotatable between a grasping position, a pushing position and an open position using a solenoid-driven actuator arm which linearly moves a head block to which the gripper arms are loosely connected at a position offset from their axis of rotation. A sensor is used in conjunction with the gripper arms to selectively move the cassettes during a test cycle to determine if cassettes are present in the magazine slots and whether the cassettes are in backwards. The magazine has a base and a detachable cover with integrally molded spring latches. Walls in the magazine base which define the magazine slots each have a recess which receives a movable button releasably holding the cassettes within the slots.
REFERENCES:
patent: 4864511 (1989-09-01), Moy et al.
patent: 5089920 (1992-02-01), Bryer et al.
patent: 5157564 (1992-10-01), Theobald et al.
patent: 5182687 (1993-01-01), Campbell et al.
Advanced Digital Information Corporation
Davenport T.
Westin Edward P.
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