FR1303755A - Dispositif électrique de réglage pour amplificateurs sismiques - Google Patents

Dispositif électrique de réglage pour amplificateurs sismiques

Info

Publication number
FR1303755A
FR1303755A FR875867A FR875867A FR1303755A FR 1303755 A FR1303755 A FR 1303755A FR 875867 A FR875867 A FR 875867A FR 875867 A FR875867 A FR 875867A FR 1303755 A FR1303755 A FR 1303755A
Authority
FR
France
Prior art keywords
adjustment device
electric adjustment
seismic amplifiers
seismic
amplifiers
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
Application number
FR875867A
Other languages
English (en)
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.)
PRAKLA GmbH
Original Assignee
PRAKLA GmbH
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
Priority to DE1960P0026153 priority Critical patent/DE1140977B/de
Application filed by PRAKLA GmbH filed Critical PRAKLA GmbH
Priority to FR875867A priority patent/FR1303755A/fr
Application granted granted Critical
Publication of FR1303755A publication Critical patent/FR1303755A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0047—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using photo-electric elements
    • 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
    • G01V1/245—Amplitude control for seismic recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Amplifiers (AREA)
FR875867A 1961-10-13 1961-10-13 Dispositif électrique de réglage pour amplificateurs sismiques Expired FR1303755A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE1960P0026153 DE1140977B (de) 1961-10-13 1960-12-01 Regelschaltung fuer seismische Verstaerker
FR875867A FR1303755A (fr) 1961-10-13 1961-10-13 Dispositif électrique de réglage pour amplificateurs sismiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR875867A FR1303755A (fr) 1961-10-13 1961-10-13 Dispositif électrique de réglage pour amplificateurs sismiques

Publications (1)

Publication Number Publication Date
FR1303755A true FR1303755A (fr) 1962-09-14

Family

ID=8764627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875867A Expired FR1303755A (fr) 1961-10-13 1961-10-13 Dispositif électrique de réglage pour amplificateurs sismiques

Country Status (2)

Country Link
DE (1) DE1140977B (fr)
FR (1) FR1303755A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234034A1 (fr) * 1986-02-07 1987-09-02 ANT Nachrichtentechnik GmbH Dispositif de conversion analogique-numérique de signaux électriques analogiques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058559B (de) * 1957-11-26 1959-06-04 Philips Nv Regelschaltung fuer elektrische Verstaerker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234034A1 (fr) * 1986-02-07 1987-09-02 ANT Nachrichtentechnik GmbH Dispositif de conversion analogique-numérique de signaux électriques analogiques

Also Published As

Publication number Publication date
DE1140977B (de) 1962-12-13

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