JPS5386271A - Input circuit for portable electronic apparatus - Google Patents

Input circuit for portable electronic apparatus

Info

Publication number
JPS5386271A
JPS5386271A JP15668176A JP15668176A JPS5386271A JP S5386271 A JPS5386271 A JP S5386271A JP 15668176 A JP15668176 A JP 15668176A JP 15668176 A JP15668176 A JP 15668176A JP S5386271 A JPS5386271 A JP S5386271A
Authority
JP
Japan
Prior art keywords
input circuit
portable electronic
electronic apparatus
circuit
flipflop
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
JP15668176A
Other languages
Japanese (ja)
Inventor
Heihachiro Ebihara
Fukuo Sekiya
Takashi Yamada
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 Watch Co Ltd
Original Assignee
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 Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP15668176A priority Critical patent/JPS5386271A/en
Priority to US05/862,539 priority patent/US4198579A/en
Publication of JPS5386271A publication Critical patent/JPS5386271A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/005—Debouncing circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

PURPOSE:To provide an input circuit for portable electronic apparatus, in which FF (flipflop) is resetted by the output of a circuit for detecting fall of control signal, whereby errors in the input circuit can be eliminated and it is enabled to measure time with high precision.
JP15668176A 1976-12-25 1976-12-25 Input circuit for portable electronic apparatus Pending JPS5386271A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15668176A JPS5386271A (en) 1976-12-25 1976-12-25 Input circuit for portable electronic apparatus
US05/862,539 US4198579A (en) 1976-12-25 1977-12-20 Input circuit for portable electronic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15668176A JPS5386271A (en) 1976-12-25 1976-12-25 Input circuit for portable electronic apparatus

Publications (1)

Publication Number Publication Date
JPS5386271A true JPS5386271A (en) 1978-07-29

Family

ID=15632988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15668176A Pending JPS5386271A (en) 1976-12-25 1976-12-25 Input circuit for portable electronic apparatus

Country Status (1)

Country Link
JP (1) JPS5386271A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122586U (en) * 1983-02-07 1984-08-17 株式会社テイ，アイ，シイ・シチズン Polarized signal acquisition device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122586U (en) * 1983-02-07 1984-08-17 株式会社テイ，アイ，シイ・シチズン Polarized signal acquisition device

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