JPS5370867A - Electronic watch with lamp - Google Patents

Electronic watch with lamp

Info

Publication number
JPS5370867A
JPS5370867A JP14693676A JP14693676A JPS5370867A JP S5370867 A JPS5370867 A JP S5370867A JP 14693676 A JP14693676 A JP 14693676A JP 14693676 A JP14693676 A JP 14693676A JP S5370867 A JPS5370867 A JP S5370867A
Authority
JP
Japan
Prior art keywords
lamp
electronic watch
flickered
lighting
turned
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
JP14693676A
Other languages
Japanese (ja)
Inventor
Akinobu Harada
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 JP14693676A priority Critical patent/JPS5370867A/en
Publication of JPS5370867A publication Critical patent/JPS5370867A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/0023Visual time or date indication means by light valves in general
    • G04G9/0029Details
    • G04G9/0047Details electrical, e.g. selection or application of the operating voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

PURPOSE:To lower current consumption at the lighting of a lamp and prevent voltage drop by generating pulses of more than 24 Hz in a lamp circuit when a lamp switch is turned on, so that the lamp is flickered.
JP14693676A 1976-12-07 1976-12-07 Electronic watch with lamp Pending JPS5370867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14693676A JPS5370867A (en) 1976-12-07 1976-12-07 Electronic watch with lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14693676A JPS5370867A (en) 1976-12-07 1976-12-07 Electronic watch with lamp

Publications (1)

Publication Number Publication Date
JPS5370867A true JPS5370867A (en) 1978-06-23

Family

ID=15418910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14693676A Pending JPS5370867A (en) 1976-12-07 1976-12-07 Electronic watch with lamp

Country Status (1)

Country Link
JP (1) JPS5370867A (en)

Similar Documents

Publication Publication Date Title
JPS5410772A (en) Electronic watch
CH614096GA3 (en)
JPS5370867A (en) Electronic watch with lamp
JPS53110354A (en) Oscillator circuit
JPS5529728A (en) Battery life display unit of electronic watch
JPS51127583A (en) Lighting apparatus
JPS5342079A (en) Electronic watch
JPS5394733A (en) Feeding circuit to volatile memory unit
JPS5335579A (en) Battery life warning device of electronic watches
JPS5398050A (en) Power supply
JPS53144775A (en) Electronic watch with lamp
JPS5327071A (en) Electronic watch
JPS5361288A (en) Light emitting diode driving circuit
JPS5333347A (en) Power supply circuit of switching control type
JPS53115270A (en) Electronic watch
JPS5250267A (en) Electronic clock
JPS57110982A (en) Portable electronic watch with lighting
JPS52143071A (en) Brightness modulation circuit for electronic timepiece
JPS5479677A (en) Digital display type electronic watch
JPS5383363A (en) Discharge lamp lighting apparatus
JPS5348568A (en) Electronic watch
JPS5349475A (en) Electronic wrist watch
JPS5325471A (en) El ectronic watch
JPS5431880A (en) Remote-control-signal generating circuit
JPS5340260A (en) Scanning circuit