GB1440073A - Time synchronisation particularly for seismic work - Google Patents

Time synchronisation particularly for seismic work

Info

Publication number
GB1440073A
GB1440073A GB3245172A GB3245172A GB1440073A GB 1440073 A GB1440073 A GB 1440073A GB 3245172 A GB3245172 A GB 3245172A GB 3245172 A GB3245172 A GB 3245172A GB 1440073 A GB1440073 A GB 1440073A
Authority
GB
United Kingdom
Prior art keywords
pulse
master
monostable
output
seismic
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
GB3245172A
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.)
Schlumberger UK Holdings Ltd
Original Assignee
Seismograph Service England 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 Seismograph Service England Ltd filed Critical Seismograph Service England Ltd
Priority to GB3245172A priority Critical patent/GB1440073A/en
Priority to DE19732334996 priority patent/DE2334996C3/de
Priority to CA176,035A priority patent/CA1012618A/en
Priority to FR7325380A priority patent/FR2192334B1/fr
Priority to JP48078899A priority patent/JPS5047663A/ja
Priority to BE6044241A priority patent/BE802222A/fr
Publication of GB1440073A publication Critical patent/GB1440073A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22—Transmitting seismic signals to recording or processing apparatus
    • G01V1/223—Radioseismic systems
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation
    • G04G7/02—Synchronisation by radio

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB3245172A 1972-07-11 1972-07-11 Time synchronisation particularly for seismic work Expired GB1440073A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3245172A GB1440073A (en) 1972-07-11 1972-07-11 Time synchronisation particularly for seismic work
DE19732334996 DE2334996C3 (de) 1972-07-11 1973-07-10 Seismische Einrichtung
CA176,035A CA1012618A (en) 1972-07-11 1973-07-10 Time synchronisation, particularly for seismic work
FR7325380A FR2192334B1 (enrdf_load_stackoverflow) 1972-07-11 1973-07-11
JP48078899A JPS5047663A (enrdf_load_stackoverflow) 1972-07-11 1973-07-11
BE6044241A BE802222A (fr) 1972-07-11 1973-07-11 Synchronisation de temps, en particulier pour un travail sismique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3245172A GB1440073A (en) 1972-07-11 1972-07-11 Time synchronisation particularly for seismic work
GB5443572 1972-11-24

Publications (1)

Publication Number Publication Date
GB1440073A true GB1440073A (en) 1976-06-23

Family

ID=26261378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3245172A Expired GB1440073A (en) 1972-07-11 1972-07-11 Time synchronisation particularly for seismic work

Country Status (4)

Country Link
CA (1) CA1012618A (enrdf_load_stackoverflow)
DE (1) DE2334996C3 (enrdf_load_stackoverflow)
FR (1) FR2192334B1 (enrdf_load_stackoverflow)
GB (1) GB1440073A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128056A (en) * 1982-09-17 1984-04-18 Gen Electric Computer controlled devices
US4843588A (en) * 1982-09-17 1989-06-27 General Electric Company Programmable radio frequency communications device capable of programming a similar device
GB2304938A (en) * 1995-09-06 1997-03-26 Cheuk Fai Ho Master and one by one slave synchronisation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545952B1 (fr) * 1983-05-13 1987-03-20 Omega Electronics Sa Dispositif de transmission electromagnetique d'un evenement en milieu perturbe
DE102007060264A1 (de) 2007-12-14 2009-06-18 GeoForschungsZentrum Potsdam Stiftung des öffentlichen Rechts Impulsgenerator, insbesondere zur Anregung seismischer Wellen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416631A (en) * 1966-12-30 1968-12-17 Texas Instruments Inc Digital remote firing system
FR2153563A5 (enrdf_load_stackoverflow) * 1971-09-15 1973-05-04 Commissariat Energie Atomique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128056A (en) * 1982-09-17 1984-04-18 Gen Electric Computer controlled devices
US4843588A (en) * 1982-09-17 1989-06-27 General Electric Company Programmable radio frequency communications device capable of programming a similar device
GB2304938A (en) * 1995-09-06 1997-03-26 Cheuk Fai Ho Master and one by one slave synchronisation

Also Published As

Publication number Publication date
FR2192334A1 (enrdf_load_stackoverflow) 1974-02-08
CA1012618A (en) 1977-06-21
DE2334996B2 (de) 1980-10-09
DE2334996A1 (de) 1974-02-21
DE2334996C3 (de) 1981-06-19
FR2192334B1 (enrdf_load_stackoverflow) 1979-01-26

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Legal Events

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