JPS5386258A - Electronic display type wrist watch - Google Patents

Electronic display type wrist watch

Info

Publication number
JPS5386258A
JPS5386258A JP15014276A JP15014276A JPS5386258A JP S5386258 A JPS5386258 A JP S5386258A JP 15014276 A JP15014276 A JP 15014276A JP 15014276 A JP15014276 A JP 15014276A JP S5386258 A JPS5386258 A JP S5386258A
Authority
JP
Japan
Prior art keywords
electronic display
wrist watch
display type
type wrist
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15014276A
Other languages
Japanese (ja)
Inventor
Katsuo Nishimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP15014276A priority Critical patent/JPS5386258A/en
Publication of JPS5386258A publication Critical patent/JPS5386258A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
    • G04G9/0052—Details electrical, e.g. selection or application of the operating voltage using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source

Abstract

PURPOSE:To provide an electronic wrist watch, comprising a light source for illuminating electronic display elements, an automatic switch and a photoelectric element, in which said light source is energized only when intensity of the external light is lower than a predetermined level, thus providing an improvement in giving indication of time.
JP15014276A 1976-12-14 1976-12-14 Electronic display type wrist watch Pending JPS5386258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15014276A JPS5386258A (en) 1976-12-14 1976-12-14 Electronic display type wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15014276A JPS5386258A (en) 1976-12-14 1976-12-14 Electronic display type wrist watch

Publications (1)

Publication Number Publication Date
JPS5386258A true JPS5386258A (en) 1978-07-29

Family

ID=15490404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15014276A Pending JPS5386258A (en) 1976-12-14 1976-12-14 Electronic display type wrist watch

Country Status (1)

Country Link
JP (1) JPS5386258A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522142A1 (en) * 1982-02-19 1983-08-26 Terumo Corp ELECTRONIC CLINICAL THERMOMETER
JPH0489917U (en) * 1991-05-27 1992-08-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522142A1 (en) * 1982-02-19 1983-08-26 Terumo Corp ELECTRONIC CLINICAL THERMOMETER
JPH0489917U (en) * 1991-05-27 1992-08-05

Similar Documents

Publication Publication Date Title
JPS5333132A (en) Illuminating device for camera display
GB2010538B (en) Electronic watch with illumination device
JPS53109673A (en) Electronic watch
JPS5386258A (en) Electronic display type wrist watch
JPS53120565A (en) Multifunction electronic watch
JPS53107369A (en) Electronic display type digital clock
FR2397670A1 (en) ELECTRONIC WATCH PART WITH DIGITAL DISPLAY
JPS5288073A (en) Electronic watch with illumination
JPS5386276A (en) (54)clock with alarm clock
JPS5214463A (en) Electronic watch
JPS5320974A (en) Electronic watch with alarm
JPS535673A (en) Alarm electronic watch
JPS533860A (en) Electronic wristwatch
JPS5342857A (en) Alarm electronic watch
JPS5295266A (en) Electronic watch with illuminating lamp
JPS56163474A (en) Electronic timepiece
JPS53105073A (en) Automatic lighting apparatus with timer
JPS533868A (en) Electronic wristwatch with luminous diode display
JPS5338365A (en) Digital electronic watch
JPS5432360A (en) Digital display type electronic watch
JPS5342771A (en) Perfect electronic watch
JPS5426771A (en) Clock circuit
JPS5320792A (en) Electric display unit
JPS53144775A (en) Electronic watch with lamp
JPS55121185A (en) Electronic watch with illuminator