Clock style counter attachment

Details Clock style counter attachment Clock style counter attachment

1997-01-16

1998-02-10

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Miscellaneous

G11B 2713

Patent

active

057175551

ABSTRACT:
A new Clock Style Counter Attachment for providing a playing time readout of magnetic tape cassettes using an analog clock timer facing. The inventive device includes an add on gear disposed around a rotating drive shaft of a cassette playing device, a transmission drive shaft having a transmission gear at one end and a drive slot gear at its other end, and a timer having a timing gear system and a time display mechanism. The transmission gear operatively engaging the add on gear to rotate the transmission drive, and the drive slot gear operatively engaging a timing gear system. The timing gear system is operatively connected to the time display mechanism which displays the length of time a magnetic tape cassette has played in the magnetic tape cassette playing device.

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patent: 4586101 (1986-04-01), Vogelgesang
patent: 5130879 (1992-07-01), Weiley

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