Device for variably adjusting a moment of inertia of a drum of a

Details Device for variably adjusting a moment of inertia of a drum of a Device for variably adjusting a moment of inertia of a drum of a

1986-07-08

1987-07-28

Wolff, John H.

Dynamic magnetic information storage or retrieval

Miscellaneous

360107, 310 74, G11B 0000

Patent

active

046835121

ABSTRACT:
A device for variably adjusting a moment of inertia of a drum of a videocassette recorder. The device comprises a plurality of inertial masses adapted to add a variable increment of a moment of inertia to a moment of inertia of the drum. In virtue of the possibility of varying the moment of inertria of the drum, it is possible to check the frame condition of the recorder, and thus, to obtain an optimum frame condition.

REFERENCES:
patent: 3545301 (1970-12-01), Richter

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