FR2696856B1 - Dispositif de combinaison numérique de signaux. - Google Patents
Dispositif de combinaison numérique de signaux.Info
- Publication number
- FR2696856B1 FR2696856B1 FR9212388A FR9212388A FR2696856B1 FR 2696856 B1 FR2696856 B1 FR 2696856B1 FR 9212388 A FR9212388 A FR 9212388A FR 9212388 A FR9212388 A FR 9212388A FR 2696856 B1 FR2696856 B1 FR 2696856B1
- Authority
- FR
- France
- Prior art keywords
- digital signal
- signal combining
- combining device
- digital
- signal
- 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 - Fee Related
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
- G01V1/22—Transmitting seismic signals to recording or processing apparatus
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9212388A FR2696856B1 (fr) | 1992-10-13 | 1992-10-13 | Dispositif de combinaison numérique de signaux. |
GB9320580A GB2271681B (en) | 1992-10-13 | 1993-10-06 | Device for the digital combination of signals |
NO19933648A NO310537B1 (no) | 1992-10-13 | 1993-10-11 | Anordning for digital signalkombinering |
DE19934334603 DE4334603C2 (de) | 1992-10-13 | 1993-10-11 | Verfahren und Vorrichtung zum Kombinieren von von Meßfühlern abgegebenen Signalen |
US08/135,399 US5396246A (en) | 1992-10-13 | 1993-10-13 | Device for the digital combination of signals |
CA 2108312 CA2108312C (fr) | 1992-10-13 | 1993-10-13 | Dispositif de combinaison numerique de signaux |
CN93119114A CN1091904C (zh) | 1992-10-13 | 1993-10-13 | 信号的数字化混合装置和方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9212388A FR2696856B1 (fr) | 1992-10-13 | 1992-10-13 | Dispositif de combinaison numérique de signaux. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2696856A1 FR2696856A1 (fr) | 1994-04-15 |
FR2696856B1 true FR2696856B1 (fr) | 1994-12-09 |
Family
ID=9434598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9212388A Expired - Fee Related FR2696856B1 (fr) | 1992-10-13 | 1992-10-13 | Dispositif de combinaison numérique de signaux. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5396246A (fr) |
CN (1) | CN1091904C (fr) |
CA (1) | CA2108312C (fr) |
DE (1) | DE4334603C2 (fr) |
FR (1) | FR2696856B1 (fr) |
GB (1) | GB2271681B (fr) |
NO (1) | NO310537B1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720518B1 (fr) * | 1994-05-26 | 1996-07-12 | Inst Francais Du Petrole | Système d'acquisition et de transmission sismique avec décentralisation des fonctions. |
CA2186297A1 (fr) * | 1996-09-24 | 1998-03-25 | R. Daniel Wisecup | Methode d'echantillonnage de signaux a repartition spatiale |
DE69801370T2 (de) * | 1998-09-24 | 2002-05-23 | Ultra Proizv Elektronskih Napr | Netzwerksystem mit Ferndatenerfassung |
IE990184A1 (en) * | 1999-03-05 | 2000-09-06 | Nabila Ltd | A data acquisition circuit |
DE10064420B4 (de) * | 2000-12-21 | 2007-03-08 | I-For-T Gmbh | Vorrichtung zur dezentralen Erfassung und Auswertung von physikalischen Ereignissen |
US20070286020A1 (en) * | 2006-06-09 | 2007-12-13 | Input/Output, Inc. | Heads-up Navigation for Seismic Data Acquisition |
CA2654887A1 (fr) * | 2006-06-09 | 2007-12-21 | Ion Geophysical Corporation | Gestion d'etat de fonctionnement pour une acquisition de donnees sismiques |
WO2007143744A2 (fr) * | 2006-06-10 | 2007-12-13 | Ion Geophysical Corporation | Appareillage et méthode pour intégrer des paramètres de relevés dans un entête |
EP2027494A4 (fr) * | 2006-06-10 | 2012-10-31 | Inova Ltd | Systeme d'acquisition de donnees sismiques |
US7729202B2 (en) * | 2006-09-29 | 2010-06-01 | Ion Geophysical Corporation | Apparatus and methods for transmitting unsolicited messages during seismic data acquisition |
US20080080310A1 (en) * | 2006-09-29 | 2008-04-03 | Ion Geophysical Corporation | Seismic Data Acquisition Systems and Methods for Managing Messages Generated by Field Units |
US8605546B2 (en) * | 2006-09-29 | 2013-12-10 | Inova Ltd. | Seismic data acquisition systems and method utilizing a wireline repeater unit |
CA2664689A1 (fr) * | 2006-09-29 | 2008-04-10 | Ion Geophysical Corporation | Module de commande sur le terrain pour gerer des systemes d'acquisition de donnees sismiques sans fil et procedes apparentes |
US7894301B2 (en) * | 2006-09-29 | 2011-02-22 | INOVA, Ltd. | Seismic data acquisition using time-division multiplexing |
US8077740B2 (en) * | 2007-02-01 | 2011-12-13 | INOVA, Ltd. | Apparatus and method for reducing noise in seismic data |
US7456770B2 (en) * | 2007-03-02 | 2008-11-25 | Telefonaktiebolaget I.M. Ericsson (Publ) | Distributed sigma-delta sensor network |
EP2154551A1 (fr) * | 2008-08-12 | 2010-02-17 | Geolab S.a.s. | Procédé de détection de modifications dans une occurrence d'hydrocarbures |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698927A (en) * | 1953-07-13 | 1955-01-04 | Olive S Petty | Seismic surveying |
US2747172A (en) * | 1954-11-12 | 1956-05-22 | Exxon Research Engineering Co | Geophone arrangement for seismic prospecting |
US3400783A (en) * | 1966-12-27 | 1968-09-10 | Mobil Oil Corp | Centroid spaced seismic transducer array |
US3862201A (en) * | 1970-04-30 | 1975-01-21 | Koenig Karl Heinz | Production of 1-alkenyl isocyanates |
US3863200A (en) * | 1973-01-15 | 1975-01-28 | Amoco Prod Co | Built-in seismometer amplifier |
US3863201A (en) * | 1973-05-29 | 1975-01-28 | Amoco Prod Co | Seismometer arrays using operational amplifiers |
US3862200A (en) * | 1973-11-02 | 1975-01-21 | Ethyl Corp | Organoaluminum compounds and their preparation |
GB2157516A (en) * | 1984-04-09 | 1985-10-23 | Mobil Oil Corp | Delta modulator |
JPH0655212B2 (ja) * | 1986-07-07 | 1994-07-27 | 松下電器産業株式会社 | 超音波診断装置 |
US4866442A (en) * | 1987-06-01 | 1989-09-12 | Steim Joseph M | Analog to digital converter employing delta-sigma modulation |
JPH01233921A (ja) * | 1988-03-15 | 1989-09-19 | Toshiba Corp | △−σ変調器を用いたa/d変換回路 |
US4943807A (en) * | 1988-04-13 | 1990-07-24 | Crystal Semiconductor | Digitally calibrated delta-sigma analog-to-digital converter |
JP2647136B2 (ja) * | 1988-05-13 | 1997-08-27 | 株式会社東芝 | アナログ−デジタル変換回路 |
US4886442A (en) * | 1988-05-26 | 1989-12-12 | The Boeing Company | Vacuum bag tooling apparatus with inflatable seal |
FR2654220B1 (fr) * | 1989-11-03 | 1992-02-21 | Inst Francais Du Petrole | Systeme modulaire d'acquisition et de transmission de donnees sismiques a plusieurs niveaux de multiplexage. |
EP0431214A1 (fr) * | 1989-12-08 | 1991-06-12 | Siemens Aktiengesellschaft | Convertisseur analogique-numérique |
US5142286A (en) * | 1990-10-01 | 1992-08-25 | General Electric Company | Read-out photodiodes using sigma-delta oversampled analog-to-digital converters |
DE4101169C2 (de) * | 1991-01-17 | 1994-10-13 | Lennartz Electronic Gmbh | Meßverfahren zur komprimierten grafischen Darstellung von digital registrierten seismologischen Daten |
US5126961A (en) * | 1991-03-06 | 1992-06-30 | General Electric Company | Plural-channel decimation filter, as for sigma-delta analog-to-digital converters |
-
1992
- 1992-10-13 FR FR9212388A patent/FR2696856B1/fr not_active Expired - Fee Related
-
1993
- 1993-10-06 GB GB9320580A patent/GB2271681B/en not_active Expired - Fee Related
- 1993-10-11 NO NO19933648A patent/NO310537B1/no not_active IP Right Cessation
- 1993-10-11 DE DE19934334603 patent/DE4334603C2/de not_active Expired - Fee Related
- 1993-10-13 CN CN93119114A patent/CN1091904C/zh not_active Expired - Fee Related
- 1993-10-13 CA CA 2108312 patent/CA2108312C/fr not_active Expired - Fee Related
- 1993-10-13 US US08/135,399 patent/US5396246A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2271681B (en) | 1995-11-15 |
DE4334603C2 (de) | 1995-09-07 |
NO310537B1 (no) | 2001-07-16 |
NO933648D0 (no) | 1993-10-11 |
US5396246A (en) | 1995-03-07 |
DE4334603A1 (de) | 1994-04-14 |
GB2271681A (en) | 1994-04-20 |
CA2108312A1 (fr) | 1994-04-14 |
CN1086029A (zh) | 1994-04-27 |
NO933648L (no) | 1994-04-14 |
CN1091904C (zh) | 2002-10-02 |
CA2108312C (fr) | 2009-12-22 |
FR2696856A1 (fr) | 1994-04-15 |
GB9320580D0 (en) | 1993-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20060630 |