[go: up one dir, main page]

JPS57201881A - Solar battery timepiece - Google Patents

Solar battery timepiece

Info

Publication number
JPS57201881A
JPS57201881A JP8768381A JP8768381A JPS57201881A JP S57201881 A JPS57201881 A JP S57201881A JP 8768381 A JP8768381 A JP 8768381A JP 8768381 A JP8768381 A JP 8768381A JP S57201881 A JPS57201881 A JP S57201881A
Authority
JP
Japan
Prior art keywords
secondary battery
charge
solar battery
circuit
limiter
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
JP8768381A
Other languages
Japanese (ja)
Other versions
JPH0134352B2 (en
Inventor
Hajime Miyazaki
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP8768381A priority Critical patent/JPS57201881A/en
Publication of JPS57201881A publication Critical patent/JPS57201881A/en
Publication of JPH0134352B2 publication Critical patent/JPH0134352B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Secondary Cells (AREA)

Abstract

PURPOSE:To prevent the deterioration of charging performance of a secondary battery, by providing a circuit alarming deficient charge to the secondary battery. CONSTITUTION:A secondary battery 2 is charged with a solar battery 1 and supplies power to a watch operating circuit 3 and a display 4. To prevent overcharge to the secondary battery 2, a limiter 5 is provided, and a charge deficiency alarming circuit 7 generates alarm if an output from the limiter 5 is not supplied for a prescribed time, urging the user to charge.
JP8768381A 1981-06-08 1981-06-08 Solar battery timepiece Granted JPS57201881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8768381A JPS57201881A (en) 1981-06-08 1981-06-08 Solar battery timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8768381A JPS57201881A (en) 1981-06-08 1981-06-08 Solar battery timepiece

Publications (2)

Publication Number Publication Date
JPS57201881A true JPS57201881A (en) 1982-12-10
JPH0134352B2 JPH0134352B2 (en) 1989-07-19

Family

ID=13921722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8768381A Granted JPS57201881A (en) 1981-06-08 1981-06-08 Solar battery timepiece

Country Status (1)

Country Link
JP (1) JPS57201881A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121365A (en) * 1975-04-17 1976-10-23 Seiko Epson Corp Electric clock
JPS531060A (en) * 1976-06-18 1978-01-07 Seiko Instr & Electronics Ltd Electronic watch with battery life indicator
JPS5666783A (en) * 1979-11-02 1981-06-05 Seiko Instr & Electronics Ltd Digital electronic timepiece
JPS5767880A (en) * 1980-10-15 1982-04-24 Sanyo Electric Co Ltd Electronic timepiece with solar battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121365A (en) * 1975-04-17 1976-10-23 Seiko Epson Corp Electric clock
JPS531060A (en) * 1976-06-18 1978-01-07 Seiko Instr & Electronics Ltd Electronic watch with battery life indicator
JPS5666783A (en) * 1979-11-02 1981-06-05 Seiko Instr & Electronics Ltd Digital electronic timepiece
JPS5767880A (en) * 1980-10-15 1982-04-24 Sanyo Electric Co Ltd Electronic timepiece with solar battery

Also Published As

Publication number Publication date
JPH0134352B2 (en) 1989-07-19

Similar Documents

Publication Publication Date Title
JPS54123068A (en) Electronic watch
JPS57201881A (en) Solar battery timepiece
JPS54136873A (en) Solar battery watch
JPS57201882A (en) Solar battery timepiece
JPS5346777A (en) Electronic wristwatch
JPS52117165A (en) Electronic wristwatch
JPS5522154A (en) Electronic watch
JPS5227672A (en) Electric cell wrist watch
JPS53845A (en) Power source
JPS54136874A (en) Solar battery watch
JPS52122153A (en) Solar battery watch
JPS5285851A (en) Electronic wristwatch with generator
JPS5267673A (en) Battery-driven wrist watch
JPS5220872A (en) Electronic watch
JPS5346775A (en) Electronic wristwatch with solar battery
JPS54134676A (en) Solar battery watch
JPS5421879A (en) Electronic wristwatch
JPS52122154A (en) Solar battery watch
JPS5352160A (en) Solar battery watch
JPS54155870A (en) Solar battery watch
JPS53110026A (en) Condenser charging circuit
JPS52154665A (en) Wristwatch provided with charging terminal
JPS5489665A (en) Overcharge preventing circuit of solar battery watch
JPS5640779A (en) Over charging preventing circuit for electronic watch
JPS5445172A (en) Electronic watch with solar batteries