JPS5348785A - Detecting method for quartz clock cell exchanging time - Google Patents

Detecting method for quartz clock cell exchanging time

Info

Publication number
JPS5348785A
JPS5348785A JP12427876A JP12427876A JPS5348785A JP S5348785 A JPS5348785 A JP S5348785A JP 12427876 A JP12427876 A JP 12427876A JP 12427876 A JP12427876 A JP 12427876A JP S5348785 A JPS5348785 A JP S5348785A
Authority
JP
Japan
Prior art keywords
detecting method
exchanging time
quartz clock
cell exchanging
clock cell
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
JP12427876A
Other languages
Japanese (ja)
Other versions
JPS5937477B2 (en
Inventor
Motoharu Kitamura
Hajime Nakamura
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP51124278A priority Critical patent/JPS5937477B2/en
Publication of JPS5348785A publication Critical patent/JPS5348785A/en
Publication of JPS5937477B2 publication Critical patent/JPS5937477B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: To precisely detect and display the cell exchanging time in low power consumption by adding artificially decreased source voltage to frequency dividing so as to check whether generated pulse get out of order or not.
COPYRIGHT: (C)1978,JPO&Japio
JP51124278A 1976-10-15 1976-10-15 How to detect when it is time to replace a battery for a crystal watch Expired JPS5937477B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51124278A JPS5937477B2 (en) 1976-10-15 1976-10-15 How to detect when it is time to replace a battery for a crystal watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51124278A JPS5937477B2 (en) 1976-10-15 1976-10-15 How to detect when it is time to replace a battery for a crystal watch

Publications (2)

Publication Number Publication Date
JPS5348785A true JPS5348785A (en) 1978-05-02
JPS5937477B2 JPS5937477B2 (en) 1984-09-10

Family

ID=14881371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51124278A Expired JPS5937477B2 (en) 1976-10-15 1976-10-15 How to detect when it is time to replace a battery for a crystal watch

Country Status (1)

Country Link
JP (1) JPS5937477B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866090A (en) * 1981-10-15 1983-04-20 Seikosha Co Ltd Electronic time piece
JPS58111783A (en) * 1981-12-24 1983-07-02 Seikosha Co Ltd Battery life detector for timepiece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866090A (en) * 1981-10-15 1983-04-20 Seikosha Co Ltd Electronic time piece
JPS6260033B2 (en) * 1981-10-15 1987-12-14 Seikosha Kk
JPS58111783A (en) * 1981-12-24 1983-07-02 Seikosha Co Ltd Battery life detector for timepiece

Also Published As

Publication number Publication date
JPS5937477B2 (en) 1984-09-10

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