GB1513941A - Electronic timepiece for time of day and chronograph functions - Google Patents

Electronic timepiece for time of day and chronograph functions

Info

Publication number
GB1513941A
GB1513941A GB16825/75A GB1682575A GB1513941A GB 1513941 A GB1513941 A GB 1513941A GB 16825/75 A GB16825/75 A GB 16825/75A GB 1682575 A GB1682575 A GB 1682575A GB 1513941 A GB1513941 A GB 1513941A
Authority
GB
United Kingdom
Prior art keywords
group
time
binary registers
cascaded
day
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.)
Expired
Application number
GB16825/75A
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.)
SSIH Management Services SA
Original Assignee
SSIH Management Services SA
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 SSIH Management Services SA filed Critical SSIH Management Services SA
Priority to GB16825/75A priority Critical patent/GB1513941A/en
Priority to CH398876A priority patent/CH625671GA3/en
Priority to JP51041431A priority patent/JPS51130266A/en
Priority to FR7613071A priority patent/FR2308971A1/en
Priority to JP51069628A priority patent/JPS5255669A/en
Publication of GB1513941A publication Critical patent/GB1513941A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • 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
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The electronic converter comprises a first group of cascaded binary registers, a plurality of cascaded logic gates which are connected to the binary registers in order to divide the frequency of the signals which it receives by a fractional number and a second group of cascaded binary registers whose input is connected to the output of the last gate in order to produce at the output of the second group an approximately decimal fraction of the frequency at the input of the first group of binary registers. The converter is used in a timepiece with single time base which, besides the displaying of time in hours, minutes and seconds, has a chronograph function with indication of tenths or hundredths of a second. <IMAGE>
GB16825/75A 1975-04-23 1975-04-23 Electronic timepiece for time of day and chronograph functions Expired GB1513941A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB16825/75A GB1513941A (en) 1975-04-23 1975-04-23 Electronic timepiece for time of day and chronograph functions
CH398876A CH625671GA3 (en) 1975-04-23 1976-03-31 Electronic frequency converter and timepiece equipped with this converter
JP51041431A JPS51130266A (en) 1975-04-23 1976-04-14 Electronic clock
FR7613071A FR2308971A1 (en) 1975-04-23 1976-04-16 ELECTRONIC WATCH PART ASSURING THE FUNCTIONS OF TIMEKEEPING AND CHRONOGRAPH
JP51069628A JPS5255669A (en) 1975-04-23 1976-06-14 Exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16825/75A GB1513941A (en) 1975-04-23 1975-04-23 Electronic timepiece for time of day and chronograph functions

Publications (1)

Publication Number Publication Date
GB1513941A true GB1513941A (en) 1978-06-14

Family

ID=10084366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16825/75A Expired GB1513941A (en) 1975-04-23 1975-04-23 Electronic timepiece for time of day and chronograph functions

Country Status (4)

Country Link
JP (2) JPS51130266A (en)
CH (1) CH625671GA3 (en)
FR (1) FR2308971A1 (en)
GB (1) GB1513941A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804041C3 (en) * 1978-01-31 1983-11-17 Gebrüder Junghans GmbH, 7230 Schramberg Electronic clock
DE2821619C3 (en) * 1978-05-18 1981-05-21 Gebrüder Junghans GmbH, 7230 Schramberg Electronic clock with analog display and hands and liquid crystal display unit
JPS5578979U (en) * 1978-11-24 1980-05-30
JP6853093B2 (en) * 2017-03-30 2021-03-31 シチズン時計株式会社 Counter circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941153B2 (en) * 1972-09-22 1984-10-04 シチズン時計株式会社 Quartz watch with competition timekeeping device
JPS5028367A (en) * 1973-07-11 1975-03-22

Also Published As

Publication number Publication date
FR2308971B1 (en) 1981-06-19
CH625671GA3 (en) 1981-10-15
JPS5255669A (en) 1977-05-07
JPS51130266A (en) 1976-11-12
FR2308971A1 (en) 1976-11-19
CH625671B (en)

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee