MW2182A1 - Seismic recording - Google Patents
Seismic recordingInfo
- Publication number
- MW2182A1 MW2182A1 MW21/82A MW2182A MW2182A1 MW 2182 A1 MW2182 A1 MW 2182A1 MW 21/82 A MW21/82 A MW 21/82A MW 2182 A MW2182 A MW 2182A MW 2182 A1 MW2182 A1 MW 2182A1
- Authority
- MW
- MALAWI
- Prior art keywords
- break
- time
- detonator
- electric
- electric circuit
- Prior art date
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
- G01V1/24—Recording seismic data
- G01V1/26—Reference-signal-transmitting devices, e.g. indicating moment of firing of shot
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photographic Developing Apparatuses (AREA)
- Photoreceptors In Electrophotography (AREA)
- Paints Or Removers (AREA)
- Road Signs Or Road Markings (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8116633 | 1981-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
MW2182A1 true MW2182A1 (en) | 1984-05-09 |
Family
ID=10522174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MW21/82A MW2182A1 (en) | 1981-06-01 | 1982-05-19 | Seismic recording |
Country Status (16)
Country | Link |
---|---|
US (1) | US4782911A (pt) |
EP (1) | EP0066390B1 (pt) |
JP (1) | JPS58787A (pt) |
AT (1) | ATE23755T1 (pt) |
AU (1) | AU548621B2 (pt) |
CA (1) | CA1208756A (pt) |
DE (1) | DE3274390D1 (pt) |
ES (1) | ES512703A0 (pt) |
MW (1) | MW2182A1 (pt) |
MY (1) | MY8700936A (pt) |
NO (1) | NO821791L (pt) |
NZ (1) | NZ200673A (pt) |
PT (1) | PT74978B (pt) |
SG (1) | SG75487G (pt) |
ZA (1) | ZA823585B (pt) |
ZW (1) | ZW10482A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2217818A (en) * | 1988-04-29 | 1989-11-01 | Aeci Ltd | Detonators. |
JP2507520Y2 (ja) * | 1988-06-06 | 1996-08-14 | 日本電気精器株式会社 | 軸吊型ドアクロ―ザ |
EP1405011A4 (en) | 2001-06-06 | 2010-03-24 | Senex Explosives Inc | SYSTEM FOR IGNITION OF AMMUNITION OF INDIVIDUALLY DELAYED IGNITION |
WO2003083406A1 (en) * | 2002-03-28 | 2003-10-09 | Orica Explosives Technology Pty Ltd | System and method for monitoring features of a blast |
NZ592333A (en) * | 2008-10-24 | 2014-10-31 | Battelle Memorial Institute | Electronic detonator system |
AU2015271068B2 (en) * | 2014-06-06 | 2020-05-14 | Austin Star Detonator Company | Methods and apparatus for confirmation time break (CTB) determination and shotpoint in-situ recording in seismic detonators |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2803809A (en) * | 1957-08-20 | Method and apparatus for timing | ||
US2189741A (en) * | 1937-11-17 | 1940-02-06 | Socony Vacuum Oil Co Inc | Seismograph blasting cap |
US2331623A (en) * | 1940-03-30 | 1943-10-12 | Olive S Petty | Seismic circuit |
US2331627A (en) * | 1940-06-27 | 1943-10-12 | Olive S Petty | Time-break circuit |
US2275316A (en) * | 1941-06-26 | 1942-03-03 | Gulf Research Development Co | Apparatus for sending and recording time impulses |
US2411339A (en) * | 1941-09-25 | 1946-11-19 | Rolfes Hans Jay | Firing means |
US3040660A (en) * | 1944-11-08 | 1962-06-26 | Lawrence H Johnston | Electric initiator with exploding bridge wire |
US2470846A (en) * | 1945-11-13 | 1949-05-24 | Phillips Petroleum Co | Seismograph blaster time breaker circuit |
US2612772A (en) * | 1946-02-14 | 1952-10-07 | Robert A Mcconnell | Supersonic test device |
NL159393B (nl) * | 1950-03-14 | Glaxo Operations Ltd | Werkwijze voor het bereiden van een geneesmiddel tegen ontstekingen, dat een 9,21-dihalogeen-11-geoxygeneerd-17-alfa-hydroxy-3,20-diketo-1,4-pregnadieen of -pregneen als actief bestanddeel bevat, alsmede het aldus verkregen gevormde geneesmiddel en een werkwijze voor het bereiden van verbindingen geschikt voor gebruik bij de bereiding van een zodanig geneesmiddel. | |
US2660716A (en) * | 1950-05-06 | 1953-11-24 | Atlas Powder Co | Method and apparatus for ascertaining time of explosion |
US2900619A (en) * | 1954-07-12 | 1959-08-18 | Phillips Petroleum Co | System for recording time |
US2844211A (en) * | 1955-08-25 | 1958-07-22 | Texas Co | Electronic automatic sequence timers |
US3521483A (en) * | 1968-02-28 | 1970-07-21 | Detroit Edison Co | Pole testing apparatus |
GB1590007A (en) * | 1977-10-04 | 1981-05-28 | Seismograph Service England | Determination of firing times of acoustic pulses |
GB2022222B (en) * | 1978-05-24 | 1982-06-09 | Ici Ltd | Electric ignition of explosives |
US4324310A (en) * | 1979-10-29 | 1982-04-13 | Marathon Oil Company | Seismic apparatus |
-
1982
- 1982-05-13 AT AT82302443T patent/ATE23755T1/de not_active IP Right Cessation
- 1982-05-13 EP EP82302443A patent/EP0066390B1/en not_active Expired
- 1982-05-13 DE DE8282302443T patent/DE3274390D1/de not_active Expired
- 1982-05-19 NZ NZ200673A patent/NZ200673A/en unknown
- 1982-05-19 MW MW21/82A patent/MW2182A1/xx unknown
- 1982-05-20 AU AU83866/82A patent/AU548621B2/en not_active Ceased
- 1982-05-20 ZW ZW104/82A patent/ZW10482A1/xx unknown
- 1982-05-24 ZA ZA823585A patent/ZA823585B/xx unknown
- 1982-05-28 NO NO821791A patent/NO821791L/no unknown
- 1982-05-31 ES ES512703A patent/ES512703A0/es active Granted
- 1982-05-31 PT PT74978A patent/PT74978B/pt unknown
- 1982-06-01 JP JP57092248A patent/JPS58787A/ja active Pending
- 1982-06-01 CA CA000404217A patent/CA1208756A/en not_active Expired
- 1982-06-03 US US06/384,751 patent/US4782911A/en not_active Expired - Fee Related
-
1987
- 1987-09-19 SG SG754/87A patent/SG75487G/en unknown
- 1987-12-30 MY MY936/87A patent/MY8700936A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PT74978B (en) | 1983-11-22 |
EP0066390A1 (en) | 1982-12-08 |
JPS58787A (ja) | 1983-01-05 |
PT74978A (en) | 1982-06-01 |
NZ200673A (en) | 1985-11-08 |
ATE23755T1 (de) | 1986-12-15 |
AU548621B2 (en) | 1985-12-19 |
DE3274390D1 (en) | 1987-01-08 |
AU8386682A (en) | 1982-12-09 |
EP0066390B1 (en) | 1986-11-20 |
ZA823585B (en) | 1983-03-30 |
ZW10482A1 (en) | 1983-12-28 |
US4782911A (en) | 1988-11-08 |
CA1208756A (en) | 1986-07-29 |
NO821791L (no) | 1982-12-02 |
ES8304321A1 (es) | 1983-02-16 |
ES512703A0 (es) | 1983-02-16 |
SG75487G (en) | 1988-03-04 |
MY8700936A (en) | 1987-12-31 |
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