FR1598619A - - Google Patents

Info

Publication number
FR1598619A
FR1598619A FR1598619DA FR1598619A FR 1598619 A FR1598619 A FR 1598619A FR 1598619D A FR1598619D A FR 1598619DA FR 1598619 A FR1598619 A FR 1598619A
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1598619A publication Critical patent/FR1598619A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • 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)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Multimedia (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR1598619D 1967-12-29 1968-12-23 Expired FR1598619A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70215167A 1967-12-29 1967-12-29

Publications (1)

Publication Number Publication Date
FR1598619A true FR1598619A (enrdf_load_stackoverflow) 1970-07-06

Family

ID=24820058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1598619D Expired FR1598619A (enrdf_load_stackoverflow) 1967-12-29 1968-12-23

Country Status (5)

Country Link
JP (1) JPS527309B1 (enrdf_load_stackoverflow)
CA (1) CA933246A (enrdf_load_stackoverflow)
DE (1) DE1816292A1 (enrdf_load_stackoverflow)
FR (1) FR1598619A (enrdf_load_stackoverflow)
GB (1) GB1239585A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540974A (en) * 1981-10-30 1985-09-10 Rca Corporation Adaptive analog-to-digital converter
US4434439A (en) 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4517586A (en) * 1982-11-23 1985-05-14 Rca Corporation Digital television receiver with analog-to-digital converter having time multiplexed gain
GB8322440D0 (en) * 1983-08-19 1983-09-21 Gen Electric Co Plc Frequency division multiplex transmission equipment
US4688113A (en) * 1985-10-01 1987-08-18 Telex Computer Products, Inc. Apparatus for calibrating tape drive read system
FR2710757B1 (fr) * 1993-09-30 1995-12-15 Inst Francais Du Petrole Méthode et dispositif d'acquisition de signaux sismiques.
EP4400609A4 (en) 2021-10-29 2024-12-11 JFE Steel Corporation Method of manufacturing grain-oriented magnetic steel sheet, and grain-oriented magnetic steel sheet

Also Published As

Publication number Publication date
DE1816292A1 (de) 1969-07-24
JPS527309B1 (enrdf_load_stackoverflow) 1977-03-01
GB1239585A (enrdf_load_stackoverflow) 1971-07-21
CA933246A (en) 1973-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse