IT987052B - DEVICE FOR THE GENERATION OF CODE SIGNALS MADE UP OF CHOC WAVES - Google Patents
DEVICE FOR THE GENERATION OF CODE SIGNALS MADE UP OF CHOC WAVESInfo
- 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
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)
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 |
---|---|
IT987052B true IT987052B (en) | 1975-02-20 |
Family
ID=9097447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22477/73A IT987052B (en) | 1972-04-25 | 1973-04-02 | DEVICE FOR THE GENERATION OF CODE SIGNALS MADE UP OF CHOC WAVES |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2359280C (en) * | 1999-01-20 | 2007-03-20 | The Ensign-Bickford Company | Accumulated detonating cord explosive charge and method of making and of use of the same |
AU3517600A (en) * | 1999-03-17 | 2000-10-04 | Input/Output, Inc. | Calibration of sensors |
Family Cites Families (7)
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 |
-
1972
- 1972-04-25 FR FR7214547A patent/FR2181451B1/fr not_active Expired
-
1973
- 1973-03-27 SE SE7304266A patent/SE381119B/en unknown
- 1973-04-02 IT IT22477/73A patent/IT987052B/en active
- 1973-04-19 GB GB1920173A patent/GB1422357A/en not_active Expired
- 1973-04-23 US US00353574A patent/US3832949A/en not_active Expired - Lifetime
- 1973-04-24 CA CA169,414A patent/CA979515A/en not_active Expired
- 1973-04-24 NL NL7305685A patent/NL7305685A/xx not_active Application Discontinuation
- 1973-04-24 NO NO1679/73A patent/NO134884C/no unknown
- 1973-04-25 DE DE2320923A patent/DE2320923A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2320923A1 (en) | 1973-11-08 |
US3832949A (en) | 1974-09-03 |
FR2181451A1 (en) | 1973-12-07 |
FR2181451B1 (en) | 1977-12-23 |
NL7305685A (en) | 1973-10-29 |
GB1422357A (en) | 1976-01-28 |
CA979515A (en) | 1975-12-09 |
NO134884C (en) | 1977-01-05 |
SE381119B (en) | 1975-11-24 |
NO134884B (en) | 1976-09-20 |
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