GB1239585A - - Google Patents

Info

Publication number
GB1239585A
GB1239585A GB1239585DA GB1239585A GB 1239585 A GB1239585 A GB 1239585A GB 1239585D A GB1239585D A GB 1239585DA GB 1239585 A GB1239585 A GB 1239585A
Authority
GB
United Kingdom
Prior art keywords
amplifier
gain
gates
gate
stage
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
Other languages
English (en)
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
Publication of GB1239585A publication Critical patent/GB1239585A/en
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)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
GB1239585D 1967-12-29 1968-11-13 Expired GB1239585A (forum.php)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1239585A true GB1239585A (forum.php) 1971-07-21

Family

ID=24820058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239585D Expired GB1239585A (forum.php) 1967-12-29 1968-11-13

Country Status (5)

Country Link
JP (1) JPS527309B1 (forum.php)
CA (1) CA933246A (forum.php)
DE (1) DE1816292A1 (forum.php)
FR (1) FR1598619A (forum.php)
GB (1) GB1239585A (forum.php)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434439A (en) 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
GB2146191A (en) * 1983-08-19 1985-04-11 Gen Electric Co Plc Frequency division transmission equipment
US4517586A (en) * 1982-11-23 1985-05-14 Rca Corporation Digital television receiver with analog-to-digital converter having time multiplexed gain
US4540974A (en) * 1981-10-30 1985-09-10 Rca Corporation Adaptive analog-to-digital converter
GB2182511A (en) * 1985-10-01 1987-05-13 Telex Computer Products Gain control apparatus
EP0646809A1 (fr) * 1993-09-30 1995-04-05 Institut Francais Du Petrole Méthode et dispositif d'acquisition de signaux sismiques

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023074908A1 (ja) 2021-10-29 2023-05-04 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法および方向性電磁鋼板

Cited By (10)

* 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
GB2146191A (en) * 1983-08-19 1985-04-11 Gen Electric Co Plc Frequency division transmission equipment
GB2182511A (en) * 1985-10-01 1987-05-13 Telex Computer Products Gain control apparatus
GB2182511B (en) * 1985-10-01 1989-11-15 Telex Computer Products Apparatus for calibrating tape drive read system
EP0646809A1 (fr) * 1993-09-30 1995-04-05 Institut Francais Du Petrole Méthode et dispositif d'acquisition de signaux sismiques
FR2710757A1 (fr) * 1993-09-30 1995-04-07 Inst Francais Du Petrole Méthode et dispositif d'acquisition de signaux sismiques.
US5563847A (en) * 1993-09-30 1996-10-08 Institut Francais Du Petrole Seismic signal acquisition method and device
CN1038364C (zh) * 1993-09-30 1998-05-13 法国石油研究所 地震信号的探测方法和装置

Also Published As

Publication number Publication date
FR1598619A (forum.php) 1970-07-06
CA933246A (en) 1973-09-04
JPS527309B1 (forum.php) 1977-03-01
DE1816292A1 (de) 1969-07-24

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees