IT987052B - Dispositivo per la generazione di segnali a codice costituiti da onde di choc - Google Patents

Dispositivo per la generazione di segnali a codice costituiti da onde di choc

Info

Publication number
IT987052B
IT987052B IT22477/73A IT2247773A IT987052B IT 987052 B IT987052 B IT 987052B IT 22477/73 A IT22477/73 A IT 22477/73A IT 2247773 A IT2247773 A IT 2247773A IT 987052 B IT987052 B IT 987052B
Authority
IT
Italy
Prior art keywords
choc
waves
generation
code signals
signals made
Prior art date
Application number
IT22477/73A
Other languages
English (en)
Italian (it)
Inventor
V Guigot
J Delgendre
V Harchandise
Original Assignee
France Etat
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 France Etat filed Critical France Etat
Application granted granted Critical
Publication of IT987052B publication Critical patent/IT987052B/it

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
IT22477/73A 1972-04-25 1973-04-02 Dispositivo per la generazione di segnali a codice costituiti da onde di choc IT987052B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT987052B true IT987052B (it) 1975-02-20

Family

ID=9097447

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22477/73A IT987052B (it) 1972-04-25 1973-04-02 Dispositivo per la generazione di segnali a codice costituiti da onde di choc

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045123A2 (fr) * 1999-01-20 2000-08-03 The Ensign-Bickford Company Charge explosive accumulee pour cordeau detonant de mineur, procede de fabrication et utilisation de celle-ci
AU3517600A (en) * 1999-03-17 2000-10-04 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
FR2181451B1 (fr) 1977-12-23
NO134884C (fr) 1977-01-05
CA979515A (en) 1975-12-09
FR2181451A1 (fr) 1973-12-07
NL7305685A (fr) 1973-10-29
DE2320923A1 (de) 1973-11-08
US3832949A (en) 1974-09-03
NO134884B (fr) 1976-09-20
GB1422357A (en) 1976-01-28
SE381119B (sv) 1975-11-24

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