JPS57154087A - Electronic clock - Google Patents

Electronic clock

Info

Publication number
JPS57154087A
JPS57154087A JP56040731A JP4073181A JPS57154087A JP S57154087 A JPS57154087 A JP S57154087A JP 56040731 A JP56040731 A JP 56040731A JP 4073181 A JP4073181 A JP 4073181A JP S57154087 A JPS57154087 A JP S57154087A
Authority
JP
Japan
Prior art keywords
circuit
signal
time
level
display
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
JP56040731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6359476B2 (enrdf_load_stackoverflow
Inventor
Hisashi Kawahara
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 Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
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 Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP56040731A priority Critical patent/JPS57154087A/ja
Publication of JPS57154087A publication Critical patent/JPS57154087A/ja
Publication of JPS6359476B2 publication Critical patent/JPS6359476B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G11/00—Producing optical signals at preselected times

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP56040731A 1981-03-20 1981-03-20 Electronic clock Granted JPS57154087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56040731A JPS57154087A (en) 1981-03-20 1981-03-20 Electronic clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56040731A JPS57154087A (en) 1981-03-20 1981-03-20 Electronic clock

Publications (2)

Publication Number Publication Date
JPS57154087A true JPS57154087A (en) 1982-09-22
JPS6359476B2 JPS6359476B2 (enrdf_load_stackoverflow) 1988-11-18

Family

ID=12588767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56040731A Granted JPS57154087A (en) 1981-03-20 1981-03-20 Electronic clock

Country Status (1)

Country Link
JP (1) JPS57154087A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255567A (en) * 1975-10-30 1977-05-07 Seiko Epson Corp Electronic watch with battery life indicator
JPS5279968A (en) * 1975-12-25 1977-07-05 Citizen Watch Co Ltd Small portable information device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255567A (en) * 1975-10-30 1977-05-07 Seiko Epson Corp Electronic watch with battery life indicator
JPS5279968A (en) * 1975-12-25 1977-07-05 Citizen Watch Co Ltd Small portable information device

Also Published As

Publication number Publication date
JPS6359476B2 (enrdf_load_stackoverflow) 1988-11-18

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