Electronic digital stop watch

Details Electronic digital stop watch Electronic digital stop watch

1978-06-29

1980-12-16

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368113, G04B 2302, G04C 2100, G04F 800

Patent

active

042401542

ABSTRACT:
An electronic digital stop watch including means for generating a time standard signal, a display device for indicating the time lapsed from the start operation and alarm control means provided for presetting a desired alarm time and for generating an audible alarm signal when the lapsed time becomes equal to the preset time.

REFERENCES:
patent: 3813533 (1974-05-01), Cone et al.
patent: 3834153 (1974-09-01), Yoda et al.
patent: 3980868 (1976-09-01), Thompson
patent: 4099371 (1978-07-01), Mochizuki et al.
patent: 4104862 (1978-08-01), Yamazaki et al.
patent: 4104865 (1978-08-01), Sasaki
patent: 4122660 (1978-10-01), Cananan

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