GB1414875A - Electronic master clocks - Google Patents

Electronic master clocks

Info

Publication number
GB1414875A
GB1414875A GB3537073A GB3537073A GB1414875A GB 1414875 A GB1414875 A GB 1414875A GB 3537073 A GB3537073 A GB 3537073A GB 3537073 A GB3537073 A GB 3537073A GB 1414875 A GB1414875 A GB 1414875A
Authority
GB
United Kingdom
Prior art keywords
master clocks
electronic master
electronic
clocks
master
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
GB3537073A
Other languages
English (en)
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.)
Poupeau J M
Original Assignee
Poupeau J M
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 Poupeau J M filed Critical Poupeau J M
Publication of GB1414875A publication Critical patent/GB1414875A/en
Expired 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
    • G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0005—Transmission of control signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electric Clocks (AREA)
  • Electronic Switches (AREA)
GB3537073A 1972-08-04 1973-07-25 Electronic master clocks Expired GB1414875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228264A FR2194999B1 (US20100223739A1-20100909-C00025.png) 1972-08-04 1972-08-04

Publications (1)

Publication Number Publication Date
GB1414875A true GB1414875A (en) 1975-11-19

Family

ID=9102914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3537073A Expired GB1414875A (en) 1972-08-04 1973-07-25 Electronic master clocks

Country Status (8)

Country Link
BE (1) BE802484A (US20100223739A1-20100909-C00025.png)
DK (1) DK141639B (US20100223739A1-20100909-C00025.png)
FR (1) FR2194999B1 (US20100223739A1-20100909-C00025.png)
GB (1) GB1414875A (US20100223739A1-20100909-C00025.png)
IE (1) IE38309B1 (US20100223739A1-20100909-C00025.png)
IT (1) IT989996B (US20100223739A1-20100909-C00025.png)
LU (1) LU68144A1 (US20100223739A1-20100909-C00025.png)
NL (1) NL7310820A (US20100223739A1-20100909-C00025.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303850A (en) * 1978-02-27 1981-12-01 Rockwell International Corporation Real time clock using computer and separate counting means
WO1982001088A1 (en) * 1980-09-16 1982-04-01 Wilkinson R Improvements in or relating to synchronising of clocks

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480957A1 (fr) * 1980-04-18 1981-10-23 Derot Marie Therese Procede et dispositif de remise a l'heure d'une horloge-mere et des horloges receptrices qu'elle commande

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303850A (en) * 1978-02-27 1981-12-01 Rockwell International Corporation Real time clock using computer and separate counting means
WO1982001088A1 (en) * 1980-09-16 1982-04-01 Wilkinson R Improvements in or relating to synchronising of clocks
US4543657A (en) * 1980-09-16 1985-09-24 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Synchronizing of clocks

Also Published As

Publication number Publication date
DE2339465B2 (de) 1976-04-08
IT989996B (it) 1975-06-10
BE802484A (fr) 1973-11-16
LU68144A1 (US20100223739A1-20100909-C00025.png) 1973-10-16
IE38309L (en) 1974-02-04
DK141639B (da) 1980-05-12
NL7310820A (US20100223739A1-20100909-C00025.png) 1974-02-06
FR2194999B1 (US20100223739A1-20100909-C00025.png) 1975-03-07
DE2339465A1 (de) 1974-02-14
FR2194999A1 (US20100223739A1-20100909-C00025.png) 1974-03-01
IE38309B1 (en) 1978-02-15
DK141639C (US20100223739A1-20100909-C00025.png) 1980-10-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee