JPS57122385A - Ic circuit for watch - Google Patents

Ic circuit for watch

Info

Publication number
JPS57122385A
JPS57122385A JP56173091A JP17309181A JPS57122385A JP S57122385 A JPS57122385 A JP S57122385A JP 56173091 A JP56173091 A JP 56173091A JP 17309181 A JP17309181 A JP 17309181A JP S57122385 A JPS57122385 A JP S57122385A
Authority
JP
Japan
Prior art keywords
indication
time
calendar
circuit
data
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
JP56173091A
Other languages
Japanese (ja)
Inventor
Shigeru Morokawa
Yukio Hashimoto
Yasushi Nomura
Fukuo Sekiya
Keiichiro Koga
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 JP56173091A priority Critical patent/JPS57122385A/en
Publication of JPS57122385A publication Critical patent/JPS57122385A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means

Landscapes

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

Abstract

PURPOSE:To improve the service efficiency of a watch IC by enabling switching between time indication and calendar indication while simultaneous indications with other time information and calendar information are performed respectively. CONSTITUTION:When switches SH, SM, SK and SD are separately operated for specifying divide by 12-13 counter, divide by 60 counter, second, minute, hour and PM of the time held and day, month and week of the data digits at the input terminals to specify data to be set, a digit data is selected based on the specified time counting output in an IC circuit with corresponding differentiation circuits, FFs and the like. The time indication including second photoelectrically displayed and the calendar indication of day, week and month are switched vice versa or set time for the alarm and the like not containing second digits and calendar information are indicated simultaneously. Such a diversified indication by the same IC circuit can improve the service efficiency of the IC circuits.
JP56173091A 1981-10-30 1981-10-30 Ic circuit for watch Pending JPS57122385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56173091A JPS57122385A (en) 1981-10-30 1981-10-30 Ic circuit for watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56173091A JPS57122385A (en) 1981-10-30 1981-10-30 Ic circuit for watch

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP49125801A Division JPH0310916B2 (en) 1974-10-31 1974-10-31

Publications (1)

Publication Number Publication Date
JPS57122385A true JPS57122385A (en) 1982-07-30

Family

ID=15954024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56173091A Pending JPS57122385A (en) 1981-10-30 1981-10-30 Ic circuit for watch

Country Status (1)

Country Link
JP (1) JPS57122385A (en)

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