FR2181451B1 - - Google Patents

Info

Publication number
FR2181451B1
FR2181451B1 FR7214547A FR7214547A FR2181451B1 FR 2181451 B1 FR2181451 B1 FR 2181451B1 FR 7214547 A FR7214547 A FR 7214547A FR 7214547 A FR7214547 A FR 7214547A FR 2181451 B1 FR2181451 B1 FR 2181451B1
Authority
FR
France
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
FR7214547A
Other languages
French (fr)
Other versions
FR2181451A1 (de
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7214547A priority Critical patent/FR2181451B1/fr
Priority to SE7304266A priority patent/SE381119B/xx
Priority to IT22477/73A priority patent/IT987052B/it
Priority to GB1920173A priority patent/GB1422357A/en
Priority to US00353574A priority patent/US3832949A/en
Priority to NO1679/73A priority patent/NO134884C/no
Priority to CA169,414A priority patent/CA979515A/en
Priority to NL7305685A priority patent/NL7305685A/xx
Priority to DE2320923A priority patent/DE2320923A1/de
Publication of FR2181451A1 publication Critical patent/FR2181451A1/fr
Application granted granted Critical
Publication of FR2181451B1 publication Critical patent/FR2181451B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/14—Audible signalling systems; Audible personal calling systems using explosives
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G10K15/043—Sound-producing devices producing shock waves
FR7214547A 1972-04-25 1972-04-25 Expired FR2181451B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7214547A FR2181451B1 (de) 1972-04-25 1972-04-25
SE7304266A SE381119B (sv) 1972-04-25 1973-03-27 Anordning for alstring av kodade signaler bestaende av chockvagor utsenda i i forveg bestemda ogonblick och som fortplantar sig i en fluidummiljo, spec. i undervattensmiljo
IT22477/73A IT987052B (it) 1972-04-25 1973-04-02 Dispositivo per la generazione di segnali a codice costituiti da onde di choc
GB1920173A GB1422357A (en) 1972-04-25 1973-04-19 Devices for emitting shock waves
US00353574A US3832949A (en) 1972-04-25 1973-04-23 Device for generating signals by emitting shock waves
NO1679/73A NO134884C (de) 1972-04-25 1973-04-24
CA169,414A CA979515A (en) 1972-04-25 1973-04-24 Dispositif pour la generation de signaux codes constitues par des ondes de choc
NL7305685A NL7305685A (de) 1972-04-25 1973-04-24
DE2320923A DE2320923A1 (de) 1972-04-25 1973-04-25 Vorrichtung zur erzeugung von codierten signalen, die durch stosswellen gebildet sind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214547A FR2181451B1 (de) 1972-04-25 1972-04-25

Publications (2)

Publication Number Publication Date
FR2181451A1 FR2181451A1 (de) 1973-12-07
FR2181451B1 true FR2181451B1 (de) 1977-12-23

Family

ID=9097447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214547A Expired FR2181451B1 (de) 1972-04-25 1972-04-25

Country Status (9)

Country Link
US (1) US3832949A (de)
CA (1) CA979515A (de)
DE (1) DE2320923A1 (de)
FR (1) FR2181451B1 (de)
GB (1) GB1422357A (de)
IT (1) IT987052B (de)
NL (1) NL7305685A (de)
NO (1) NO134884C (de)
SE (1) SE381119B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045123A2 (en) * 1999-01-20 2000-08-03 The Ensign-Bickford Company Accumulated detonating cord charge, method and use
WO2000055648A1 (en) * 1999-03-17 2000-09-21 Input/Output, Inc. Hydrophone assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112699A (en) * 1961-04-14 1963-12-03 Du Pont Sonic pulse generator
US3687074A (en) * 1962-08-24 1972-08-29 Du Pont Pulse producing assembly
US3228331A (en) * 1963-09-30 1966-01-11 Bernard E Drimmer Detonation arrester for liquid detonable substances
US3238871A (en) * 1963-11-12 1966-03-08 Pan American Petroleum Corp Adjustable time delay explosive charge element
US3323611A (en) * 1965-01-08 1967-06-06 Chevron Res Seismic source, method and apparatus for forming same
GB1138654A (en) * 1966-02-07 1969-01-01 Ici Ltd Explosive charges for seismic prospecting
US3460477A (en) * 1967-12-26 1969-08-12 Explosive Tech One-way detonation transfer device and assembly

Also Published As

Publication number Publication date
NO134884B (de) 1976-09-20
NO134884C (de) 1977-01-05
CA979515A (en) 1975-12-09
GB1422357A (en) 1976-01-28
IT987052B (it) 1975-02-20
SE381119B (sv) 1975-11-24
DE2320923A1 (de) 1973-11-08
US3832949A (en) 1974-09-03
FR2181451A1 (de) 1973-12-07
NL7305685A (de) 1973-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse