JPS52106764A - Power supply unit of electronic wrist watch - Google Patents

Power supply unit of electronic wrist watch

Info

Publication number
JPS52106764A
JPS52106764A JP2283476A JP2283476A JPS52106764A JP S52106764 A JPS52106764 A JP S52106764A JP 2283476 A JP2283476 A JP 2283476A JP 2283476 A JP2283476 A JP 2283476A JP S52106764 A JPS52106764 A JP S52106764A
Authority
JP
Japan
Prior art keywords
power supply
supply unit
wrist watch
electronic wrist
battery
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
JP2283476A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Murata
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 JP2283476A priority Critical patent/JPS52106764A/en
Publication of JPS52106764A publication Critical patent/JPS52106764A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Dry Shavers And Clippers (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

PURPOSE:To eliminate the necessity of readjusting the time upon replacement of the battery by separately providing the battery for driving the watch and the battery for illuminating the display lamp and by providing a switch means to connect the battery for the lamp to the watch circuit.
JP2283476A 1976-03-03 1976-03-03 Power supply unit of electronic wrist watch Pending JPS52106764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2283476A JPS52106764A (en) 1976-03-03 1976-03-03 Power supply unit of electronic wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2283476A JPS52106764A (en) 1976-03-03 1976-03-03 Power supply unit of electronic wrist watch

Publications (1)

Publication Number Publication Date
JPS52106764A true JPS52106764A (en) 1977-09-07

Family

ID=12093721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2283476A Pending JPS52106764A (en) 1976-03-03 1976-03-03 Power supply unit of electronic wrist watch

Country Status (1)

Country Link
JP (1) JPS52106764A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002248A1 (en) * 1979-04-19 1980-10-30 Suwa Seikosha Kk Cosmetic apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002248A1 (en) * 1979-04-19 1980-10-30 Suwa Seikosha Kk Cosmetic apparatus

Similar Documents

Publication Publication Date Title
JPS5410772A (en) Electronic watch
JPS5427785A (en) Integrated circuit
JPS5363057A (en) Electronic wristwatch
JPS52106764A (en) Power supply unit of electronic wrist watch
JPS5428984A (en) Mimic power unit of sequence controller
JPS53115269A (en) Electronic watch
JPS5410585A (en) Arrangement for electric discharge lamp
JPS5258962A (en) Electronic watch
JPS53131873A (en) Hands display type crystal wristwatch
JPS51146862A (en) Brightness modulating device for luminous display element wrist watch
JPS5335579A (en) Battery life warning device of electronic watches
JPS546583A (en) Power source display lamp circuit
JPS5233570A (en) Drive circuit for luminous body for illumination for liquid crystal el ectronic watch
JPS5425870A (en) Hand type display electronic watch
JPS52119269A (en) Electrochromic display watch
JPS53107873A (en) Display power source circuit for timepiece
JPS51134664A (en) Electronic clock
JPS5384778A (en) Electronic wristwatch
JPS53110561A (en) Lighting device of electronic watches
JPS5327071A (en) Electronic watch
JPS5263766A (en) High efficiency electric watch
JPS5412782A (en) Electronic wristwatch
JPS5258963A (en) Electronic watch
JPS5352165A (en) Liquid display electronic wristwatch
JPS53113579A (en) Switching circuit of electronic wristwatch