Time sound generating device

Details Time sound generating device Time sound generating device

1978-06-05

1981-10-06

Truhe, J. V.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368244, 368245, G04B 2102, G04C 2300, G04B 2302, G04C 2116

Patent

active

042939402

ABSTRACT:
A time sound generating device which generates a time announcement sound by detecting a change of time from a portion of a display element driving signal supplied to a time display element of a digital electronic clock and by driving an audio sound signal source by the detected time signal.

REFERENCES:
patent: 3728855 (1973-04-01), Preiser
patent: 4166358 (1979-09-01), Tremblay et al.

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