JPS5312655A - Lighting device of liquid crystal wristwatch - Google Patents

Lighting device of liquid crystal wristwatch

Info

Publication number
JPS5312655A
JPS5312655A JP8680576A JP8680576A JPS5312655A JP S5312655 A JPS5312655 A JP S5312655A JP 8680576 A JP8680576 A JP 8680576A JP 8680576 A JP8680576 A JP 8680576A JP S5312655 A JPS5312655 A JP S5312655A
Authority
JP
Japan
Prior art keywords
liquid crystal
lighting device
crystal wristwatch
wristwatch
superposing
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
JP8680576A
Other languages
Japanese (ja)
Inventor
Hachiro Kato
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 JP8680576A priority Critical patent/JPS5312655A/en
Publication of JPS5312655A publication Critical patent/JPS5312655A/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
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:Reduction in power consumption and uniform lighting of a display device are made possible by providing a transparent electrode layer and superposing an electroluminescence material and insulation layer on the rear thereof and connecting both electrode layers to an internal battery by way of an a. c. transducer and booster.
JP8680576A 1976-07-21 1976-07-21 Lighting device of liquid crystal wristwatch Pending JPS5312655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8680576A JPS5312655A (en) 1976-07-21 1976-07-21 Lighting device of liquid crystal wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8680576A JPS5312655A (en) 1976-07-21 1976-07-21 Lighting device of liquid crystal wristwatch

Publications (1)

Publication Number Publication Date
JPS5312655A true JPS5312655A (en) 1978-02-04

Family

ID=13897006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8680576A Pending JPS5312655A (en) 1976-07-21 1976-07-21 Lighting device of liquid crystal wristwatch

Country Status (1)

Country Link
JP (1) JPS5312655A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52138177U (en) * 1976-04-16 1977-10-20
JPS5624215A (en) * 1979-08-04 1981-03-07 Dia Sangyo Kk Rotaty joint and manufacturing thereof
JPS5812885U (en) * 1981-07-16 1983-01-27 セイコーインスツルメンツ株式会社 Clock display board
JPS62288716A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPS62288717A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPS62288715A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPS636211A (en) * 1986-06-27 1988-01-12 Hiroshi Teramachi Ball joint and its manufacture
JPS6347514A (en) * 1986-08-13 1988-02-29 Hiroshi Teramachi Ball joint and its manufacture
JP3020778U (en) * 1995-07-19 1996-02-06 有限会社オリジン Illuminated clock
EP0705990A2 (en) 1994-09-30 1996-04-10 Thk Co. Ltd. Spherical joint and process for manufacturing the same
US6098287A (en) * 1997-06-06 2000-08-08 Thk Co., Ltd. Method for manufacturing a ball joint

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52138177U (en) * 1976-04-16 1977-10-20
JPS5624215A (en) * 1979-08-04 1981-03-07 Dia Sangyo Kk Rotaty joint and manufacturing thereof
JPS6218768B2 (en) * 1979-08-04 1987-04-24 Daiya Sangyo Kk
JPS5812885U (en) * 1981-07-16 1983-01-27 セイコーインスツルメンツ株式会社 Clock display board
JPS62288715A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPS62288717A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPS62288716A (en) * 1986-06-03 1987-12-15 Hiroshi Teramachi Ball joint and its manufacture
JPH0577886B2 (en) * 1986-06-03 1993-10-27 Hiroshi Teramachi
JPH0586484B2 (en) * 1986-06-03 1993-12-13 Hiroshi Teramachi
JPS636211A (en) * 1986-06-27 1988-01-12 Hiroshi Teramachi Ball joint and its manufacture
JPS6347514A (en) * 1986-08-13 1988-02-29 Hiroshi Teramachi Ball joint and its manufacture
EP0705990A2 (en) 1994-09-30 1996-04-10 Thk Co. Ltd. Spherical joint and process for manufacturing the same
US5653547A (en) * 1994-09-30 1997-08-05 Thk Co., Ltd. Spherical joint with an elastic cap
JP3020778U (en) * 1995-07-19 1996-02-06 有限会社オリジン Illuminated clock
US6098287A (en) * 1997-06-06 2000-08-08 Thk Co., Ltd. Method for manufacturing a ball joint

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