JPS56101587A - Master time piece - Google Patents

Master time piece

Info

Publication number
JPS56101587A
JPS56101587A JP482880A JP482880A JPS56101587A JP S56101587 A JPS56101587 A JP S56101587A JP 482880 A JP482880 A JP 482880A JP 482880 A JP482880 A JP 482880A JP S56101587 A JPS56101587 A JP S56101587A
Authority
JP
Japan
Prior art keywords
time
display
daughter
piece
circuit
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
JP482880A
Other languages
Japanese (ja)
Other versions
JPS6345075B2 (en
Inventor
Shoichi Ishibiya
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.)
Seikosha KK
Original Assignee
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 Seikosha KK filed Critical Seikosha KK
Priority to JP482880A priority Critical patent/JPS56101587A/en
Publication of JPS56101587A publication Critical patent/JPS56101587A/en
Publication of JPS6345075B2 publication Critical patent/JPS6345075B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE:To make a display time of a slave time piece always coincide with a monitor display time by a method wherein the display time is counted through a time counting circuit to perform a digital monitor display and along with this, when an abnormality is generated in a driving pulse to driving a daughter time piece, a count is stopped. CONSTITUTION:A time counting circuit CT1 receives a clock pulse and counts a reference time and the time counting content is displayed through a display device DL1. Pulses from a pulse selection circuit H are converted into three phase pulses through a ring counter RC and coils l1-l3 are sequentially driven by means of driving pulses from a feeding out circuit A, and then, a display time on a display unit K is advanced by one second. A time counting circuit CT2 counts a time corresponding to a display time of a daughter time piece S to display it on a monitor display device DL2. When a short circuit trouble is generated in the coils l1-l2 of the daughter time piece S, a motion of a hand of the daughter time piece is stopped and at this time, the advance of time counting content of the time counting circuit CT2 is stopped, simultaneously, too.
JP482880A 1980-01-18 1980-01-18 Master time piece Granted JPS56101587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP482880A JPS56101587A (en) 1980-01-18 1980-01-18 Master time piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP482880A JPS56101587A (en) 1980-01-18 1980-01-18 Master time piece

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP21483787A Division JPS6373182A (en) 1987-08-28 1987-08-28 Master clock

Publications (2)

Publication Number Publication Date
JPS56101587A true JPS56101587A (en) 1981-08-14
JPS6345075B2 JPS6345075B2 (en) 1988-09-07

Family

ID=11594552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP482880A Granted JPS56101587A (en) 1980-01-18 1980-01-18 Master time piece

Country Status (1)

Country Link
JP (1) JPS56101587A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618890U (en) * 1984-06-22 1986-01-20 株式会社 テイ、アイ、シイ・シチズン Clock signal receiving device
JPS61191981A (en) * 1984-10-30 1986-08-26 ユングハンス、ウ−レン、ゲゼルシヤフト、ミツト、ベシユレンクテル、ハフツング Radio clock

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123185A (en) * 1975-04-18 1976-10-27 Seikosha Co Ltd Parent-child clock

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123185A (en) * 1975-04-18 1976-10-27 Seikosha Co Ltd Parent-child clock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618890U (en) * 1984-06-22 1986-01-20 株式会社 テイ、アイ、シイ・シチズン Clock signal receiving device
JPS61191981A (en) * 1984-10-30 1986-08-26 ユングハンス、ウ−レン、ゲゼルシヤフト、ミツト、ベシユレンクテル、ハフツング Radio clock

Also Published As

Publication number Publication date
JPS6345075B2 (en) 1988-09-07

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