JPS533860A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS533860A
JPS533860A JP7759276A JP7759276A JPS533860A JP S533860 A JPS533860 A JP S533860A JP 7759276 A JP7759276 A JP 7759276A JP 7759276 A JP7759276 A JP 7759276A JP S533860 A JPS533860 A JP S533860A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
watch
project
lamp
optical system
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.)
Granted
Application number
JP7759276A
Other languages
Japanese (ja)
Other versions
JPS598796B2 (en
Inventor
Toshinao Arai
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP51077592A priority Critical patent/JPS598796B2/en
Publication of JPS533860A publication Critical patent/JPS533860A/en
Publication of JPS598796B2 publication Critical patent/JPS598796B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means

Abstract

PURPOSE:To promote size reduction of the watch by using a lamp and projection optical system and project the time display.
JP51077592A 1976-06-30 1976-06-30 electronic clock Expired JPS598796B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51077592A JPS598796B2 (en) 1976-06-30 1976-06-30 electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51077592A JPS598796B2 (en) 1976-06-30 1976-06-30 electronic clock

Publications (2)

Publication Number Publication Date
JPS533860A true JPS533860A (en) 1978-01-13
JPS598796B2 JPS598796B2 (en) 1984-02-27

Family

ID=13638224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51077592A Expired JPS598796B2 (en) 1976-06-30 1976-06-30 electronic clock

Country Status (1)

Country Link
JP (1) JPS598796B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6350695U (en) * 1986-09-18 1988-04-06
JPH01223397A (en) * 1988-03-03 1989-09-06 Power Reactor & Nuclear Fuel Dev Corp Glove box and environmental replacing inner cover for it

Also Published As

Publication number Publication date
JPS598796B2 (en) 1984-02-27

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