JPS52143068A - Solar battery timepiece - Google Patents

Solar battery timepiece

Info

Publication number
JPS52143068A
JPS52143068A JP5962776A JP5962776A JPS52143068A JP S52143068 A JPS52143068 A JP S52143068A JP 5962776 A JP5962776 A JP 5962776A JP 5962776 A JP5962776 A JP 5962776A JP S52143068 A JPS52143068 A JP S52143068A
Authority
JP
Japan
Prior art keywords
solar battery
battery timepiece
timepiece
illumination
dispense
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
JP5962776A
Other languages
Japanese (ja)
Inventor
Shingo Ichikawa
Niro Yamauchi
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 JP5962776A priority Critical patent/JPS52143068A/en
Publication of JPS52143068A publication Critical patent/JPS52143068A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photovoltaic Devices (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

PURPOSE:To dispense with the trouble to change a battery by detecting the electromotive pressure of a solar battery corresponding to the illumination of a time indication surface, controlling the indicator driving circuit and adjusting an illumination brightness.
JP5962776A 1976-05-25 1976-05-25 Solar battery timepiece Pending JPS52143068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5962776A JPS52143068A (en) 1976-05-25 1976-05-25 Solar battery timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5962776A JPS52143068A (en) 1976-05-25 1976-05-25 Solar battery timepiece

Publications (1)

Publication Number Publication Date
JPS52143068A true JPS52143068A (en) 1977-11-29

Family

ID=13118649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5962776A Pending JPS52143068A (en) 1976-05-25 1976-05-25 Solar battery timepiece

Country Status (1)

Country Link
JP (1) JPS52143068A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177788A (en) * 1984-09-26 1986-04-21 Citizen Watch Co Ltd Electronic timepiece
JPS63279295A (en) * 1987-04-08 1988-11-16 アイムポイント　アーベー Power source circuit
JPH0165310U (en) * 1987-10-22 1989-04-26
EP1152304A2 (en) * 2000-04-06 2001-11-07 Moneray International Ltd. Solar-driven electronic clock
CN104332152A (en) * 2014-11-27 2015-02-04 合肥鑫晟光电科技有限公司 Display screen brightness adjusting circuit and method, adaptive display panel and display device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177788A (en) * 1984-09-26 1986-04-21 Citizen Watch Co Ltd Electronic timepiece
JPH0560075B2 (en) * 1984-09-26 1993-09-01 Citizen Watch Co Ltd
JPS63279295A (en) * 1987-04-08 1988-11-16 アイムポイント　アーベー Power source circuit
JPH0165310U (en) * 1987-10-22 1989-04-26
EP1152304A2 (en) * 2000-04-06 2001-11-07 Moneray International Ltd. Solar-driven electronic clock
EP1152304A3 (en) * 2000-04-06 2003-10-22 Moneray International Ltd. Solar-driven electronic clock
CN104332152A (en) * 2014-11-27 2015-02-04 合肥鑫晟光电科技有限公司 Display screen brightness adjusting circuit and method, adaptive display panel and display device

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