FR2112496A1 - - Google Patents

Info

Publication number
FR2112496A1
FR2112496A1 FR7139697A FR7139697A FR2112496A1 FR 2112496 A1 FR2112496 A1 FR 2112496A1 FR 7139697 A FR7139697 A FR 7139697A FR 7139697 A FR7139697 A FR 7139697A FR 2112496 A1 FR2112496 A1 FR 2112496A1
Authority
FR
France
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.)
Granted
Application number
FR7139697A
Other languages
French (fr)
Other versions
FR2112496B1 (cg-RX-API-DMAC10.html
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.)
Petty-Ray Geophysical Inc
Original Assignee
Petty-Ray Geophysical Inc
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 Petty-Ray Geophysical Inc filed Critical Petty-Ray Geophysical Inc
Publication of FR2112496A1 publication Critical patent/FR2112496A1/fr
Application granted granted Critical
Publication of FR2112496B1 publication Critical patent/FR2112496B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/08—Networks for phase shifting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02—Generating seismic energy
    • G01V1/04—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
FR7139697A 1970-11-06 1971-11-05 Expired FR2112496B1 (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8739070A 1970-11-06 1970-11-06

Publications (2)

Publication Number Publication Date
FR2112496A1 true FR2112496A1 (cg-RX-API-DMAC10.html) 1972-06-16
FR2112496B1 FR2112496B1 (cg-RX-API-DMAC10.html) 1978-01-06

Family

ID=22204904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7139697A Expired FR2112496B1 (cg-RX-API-DMAC10.html) 1970-11-06 1971-11-05

Country Status (7)

Country Link
US (1) US3626267A (cg-RX-API-DMAC10.html)
AU (1) AU454098B2 (cg-RX-API-DMAC10.html)
BR (1) BR7107401D0 (cg-RX-API-DMAC10.html)
CA (1) CA955315A (cg-RX-API-DMAC10.html)
DE (1) DE2155128C3 (cg-RX-API-DMAC10.html)
FR (1) FR2112496B1 (cg-RX-API-DMAC10.html)
GB (1) GB1325148A (cg-RX-API-DMAC10.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917987A (en) * 1973-12-28 1975-11-04 Fujitsu Ltd Voice coil motor control system
US4068210A (en) * 1976-04-07 1978-01-10 Standard Oil Company (Indiana) Seismic vibrator phase detector
US4300083A (en) * 1977-07-05 1981-11-10 Automation Devices, Inc. Constant amplitude controller and method
US4637307A (en) * 1983-09-13 1987-01-20 Genicom Corporation Automatic mechanical resonant frequency detector and driver for shuttle printer mechanism
GB8417241D0 (en) * 1984-07-06 1984-08-08 Unilever Plc Transducers and control means
US5212434A (en) * 1992-03-17 1993-05-18 National Science Counsil Phase-locked step motor speed servo controller
WO2015041850A1 (en) * 2013-09-19 2015-03-26 Conocophillips Company Method for synchronizing continuous seismic survey

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439336A (en) * 1965-09-29 1969-04-15 Vyzk Ustav Matemat Stroju Digital comparator
US3548282A (en) * 1969-01-27 1970-12-15 Security Trust Co Of Rochester Control system for motor velocity and position
US3564379A (en) * 1969-07-02 1971-02-16 Gen Electric Automatic position inspector

Also Published As

Publication number Publication date
AU454098B2 (en) 1974-10-17
CA955315A (en) 1974-09-24
BR7107401D0 (pt) 1973-04-10
DE2155128C3 (de) 1974-02-28
AU3485871A (en) 1973-05-03
FR2112496B1 (cg-RX-API-DMAC10.html) 1978-01-06
DE2155128A1 (de) 1972-05-25
GB1325148A (en) 1973-08-01
US3626267A (en) 1971-12-07
DE2155128B2 (de) 1973-08-02

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
ST Notification of lapse