JPS5250761A - Digital chronograph - Google Patents

Digital chronograph

Info

Publication number
JPS5250761A
JPS5250761A JP50125969A JP12596975A JPS5250761A JP S5250761 A JPS5250761 A JP S5250761A JP 50125969 A JP50125969 A JP 50125969A JP 12596975 A JP12596975 A JP 12596975A JP S5250761 A JPS5250761 A JP S5250761A
Authority
JP
Japan
Prior art keywords
digit
chronograph
hour
minute
digital
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
JP50125969A
Other languages
Japanese (ja)
Other versions
JPS5547356B2 (en
Inventor
Katsuhiko Komiyama
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 JP50125969A priority Critical patent/JPS5250761A/en
Publication of JPS5250761A publication Critical patent/JPS5250761A/en
Publication of JPS5547356B2 publication Critical patent/JPS5547356B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency

Abstract

PURPOSE:When a watch with ordinary time display of hour, minute and second is used as chronograph by switching, display of intergrated time down to hour digit, minute digit , second digit, 1/100 second digit is made possible without increasing segments.
JP50125969A 1975-10-21 1975-10-21 Digital chronograph Granted JPS5250761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125969A JPS5250761A (en) 1975-10-21 1975-10-21 Digital chronograph

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125969A JPS5250761A (en) 1975-10-21 1975-10-21 Digital chronograph

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP9546877A Division JPS5347872A (en) 1977-08-09 1977-08-09 Digital chronograph watch

Publications (2)

Publication Number Publication Date
JPS5250761A true JPS5250761A (en) 1977-04-23
JPS5547356B2 JPS5547356B2 (en) 1980-11-29

Family

ID=14923453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125969A Granted JPS5250761A (en) 1975-10-21 1975-10-21 Digital chronograph

Country Status (1)

Country Link
JP (1) JPS5250761A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104885A (en) * 1980-12-22 1982-06-30 Seiko Epson Corp Stopwatch operation display circuit of electronic watch

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933678A (en) * 1972-07-24 1974-03-28
JPS4959671A (en) * 1972-10-05 1974-06-10
JPS5051764A (en) * 1973-09-07 1975-05-08
JPS5093467A (en) * 1973-12-20 1975-07-25
JPS51142372A (en) * 1975-05-30 1976-12-07 Casio Comput Co Ltd Time measuring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933678A (en) * 1972-07-24 1974-03-28
JPS4959671A (en) * 1972-10-05 1974-06-10
JPS5051764A (en) * 1973-09-07 1975-05-08
JPS5093467A (en) * 1973-12-20 1975-07-25
JPS51142372A (en) * 1975-05-30 1976-12-07 Casio Comput Co Ltd Time measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104885A (en) * 1980-12-22 1982-06-30 Seiko Epson Corp Stopwatch operation display circuit of electronic watch

Also Published As

Publication number Publication date
JPS5547356B2 (en) 1980-11-29

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