Tape test cassette

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course

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Details

242 718, 738656, 360132, 360137, G11B 23087

Patent

active

048631159

ABSTRACT:
A test cassette is provided for testing tape tensioning devices in tape recorders and players. The test cassette has a at least one of a supply reel and a takeup reel which has two circular arc portions of different radius. In a preferred embodiment, one of the circular arc portions has the radius of a substantially full reel of tape, and the other has the radius of a substantially empty reel of tape. In operation the test cassette simulates the conditions of a full reel and the conditions of a substantially empty reel with each revolution of the reel, and the extremes of operation of a tape tensioning device can be quickly and easily tested.

REFERENCES:
patent: 2508651 (1950-05-01), Pratt et al.
patent: 3677496 (1972-07-01), Apitz

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