CA979515A - Dispositif pour la generation de signaux codes constitues par des ondes de choc - Google Patents

Dispositif pour la generation de signaux codes constitues par des ondes de choc

Info

Publication number
CA979515A
CA979515A CA169,414A CA169414A CA979515A CA 979515 A CA979515 A CA 979515A CA 169414 A CA169414 A CA 169414A CA 979515 A CA979515 A CA 979515A
Authority
CA
Canada
Prior art keywords
choc
signaux
codes
generation
par des
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
CA169,414A
Other versions
CA169414S (en
Inventor
Jacques C. Delgendre
Vincent L. Guigot
Victor F. Marchandise
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 REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NAT IONALE DELEGATION MINISTERIELLE POUR L'ARMEMENT DIRECTION TECHNIQUE DES CONSTRUCTIONS NAVALES
Original Assignee
ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NAT IONALE DELEGATION MINISTERIELLE POUR L'ARMEMENT DIRECTION TECHNIQUE DES CONSTRUCTIONS NAVALES
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 REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NAT IONALE DELEGATION MINISTERIELLE POUR L'ARMEMENT DIRECTION TECHNIQUE DES CONSTRUCTIONS NAVALES filed Critical ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NAT IONALE DELEGATION MINISTERIELLE POUR L'ARMEMENT DIRECTION TECHNIQUE DES CONSTRUCTIONS NAVALES
Application granted granted Critical
Publication of CA979515A publication Critical patent/CA979515A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA169,414A 1972-04-25 1973-04-24 Dispositif pour la generation de signaux codes constitues par des ondes de choc Expired CA979515A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA979515A true CA979515A (en) 1975-12-09

Family

ID=9097447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,414A Expired CA979515A (en) 1972-04-25 1973-04-24 Dispositif pour la generation de signaux codes constitues par des ondes de choc

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4639400A (en) * 1999-01-20 2000-08-18 Ensign-Bickford Company, The Accumulated detonating cord explosive charge and method of making and of use of the same
CA2365886A1 (en) * 1999-03-17 2000-09-21 Input/Output, Inc. Calibration of sensors

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
IT987052B (en) 1975-02-20
NO134884C (en) 1977-01-05
DE2320923A1 (en) 1973-11-08
US3832949A (en) 1974-09-03
FR2181451A1 (en) 1973-12-07
FR2181451B1 (en) 1977-12-23
GB1422357A (en) 1976-01-28
NO134884B (en) 1976-09-20
NL7305685A (en) 1973-10-29
SE381119B (en) 1975-11-24

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