Title:
PORTABLE ELECTRONIC WATCH
Document Type and Number:
Japanese Patent JPS51124470
Kind Code:
A
Abstract:
PURPOSE: Portable electronic watch provided with means to detect and report environmental conditions, such as gas concentration, existence of toxic gas, noise level and smoke concentration.
Inventors:
NOMURA TAI
Application Number:
JP4894575A
Publication Date:
October 29, 1976
Filing Date:
April 22, 1975
Export Citation:
Assignee:
CITIZEN WATCH CO LTD
International Classes:
G04G9/00; G04G99/00; G08B21/00; (IPC1-7): G04C21/00; G08B21/00