PatentVote.com: Vote on your favourite invention!

Next ten patents ordered by date:
Zone time display clock
Friction detent to permit setting of digital clock
Noncircular watch case
Method of operating catalytically supported thermal combustion system
Rotary internal combustion engine
Jet propulsion engines
Internal combustion engine having a reactor for afterburning of unburned exhaust gas constituents
Air diverter valve
Hydrodynamic transmission system
Hydraulic system for injection molding machine
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Electronic wristwatch with electronic sound emitter device

Abstract: An electronic wristwatch with an electronic sound emitter device which provides greatly improved efficiency in the quality and quantity of the sound emitted with a minimum number of elements. The results, in general, are obtained by arranging the elements in such a manner that a suitable signal is presented to the sound emitter driving device upon the coincidence of a preset time and the time given by a time display device.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Yasuda, Tetuya (Tokyo, JA)
Yoshida, Makoto (Tokorozawa, JA)
Mochizuki, Yoshifumi (Kodaira, JA)
Morokawa, Shigeru (Higashiyamato, JA)

Application Number: 511309
Filing Date: 1974-10-02
Publication_date: 1976-03-02
Assignee: Citizen Watch Co., Ltd. (Tokyo, JA)
Primary Class(es): 368/251 368/255, 968/970, 968/972, 968/DIG1
Other Classes:
US Patent Ref:
3759029Sep, 1973Komaki58/38.
3788060Jan, 1974Kawamura58/38.
3834153Sep, 1974Yoda et al.58/38.

Other Refs:
Primary Examiner: Jackmon, Edith Simmons
Assistant Examiner:
Attorney: Spensley, Horn and Lubitz