BE800335A - Amplificateur analogique avec commande automatique de gain, - Google Patents

Amplificateur analogique avec commande automatique de gain,

Info

Publication number
BE800335A
BE800335A BE131779A BE131779A BE800335A BE 800335 A BE800335 A BE 800335A BE 131779 A BE131779 A BE 131779A BE 131779 A BE131779 A BE 131779A BE 800335 A BE800335 A BE 800335A
Authority
BE
Belgium
Prior art keywords
gain control
automatic gain
analogue amplifier
analogue
amplifier
Prior art date
Application number
BE131779A
Other languages
English (en)
French (fr)
Inventor
W R Mcclellan
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of BE800335A publication Critical patent/BE800335A/xx

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
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Control Of Amplification And Gain Control (AREA)
BE131779A 1972-06-01 1973-05-30 Amplificateur analogique avec commande automatique de gain, BE800335A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25863272A 1972-06-01 1972-06-01

Publications (1)

Publication Number Publication Date
BE800335A true BE800335A (fr) 1973-09-17

Family

ID=22981441

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131779A BE800335A (fr) 1972-06-01 1973-05-30 Amplificateur analogique avec commande automatique de gain,

Country Status (8)

Country Link
US (1) US3796866A (ro)
JP (1) JPS4957752A (ro)
BE (1) BE800335A (ro)
CA (1) CA1018632A (ro)
CH (1) CH578285A5 (ro)
DE (1) DE2327802C3 (ro)
FR (1) FR2186777B1 (ro)
GB (1) GB1429267A (ro)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950640A (en) * 1973-11-19 1976-04-13 Xerox Corporation Lamp control and lamp switch circuit for controlling light balance
US3944979A (en) * 1974-12-23 1976-03-16 Data Source Corporation Method and apparatus for illuminating an object bearing indicia
US4133008A (en) * 1977-03-14 1979-01-02 Rapicom Inc. Automatic illumination compensation circuit
US4266123A (en) * 1978-11-20 1981-05-05 Owen-Illinois, Inc. Automatic scanner
DE2934560C2 (de) * 1979-08-27 1982-03-25 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Schaltungsanordnung zur Regelung des Übertragungsfaktors eines fotoelektrischen Wandlers
US4516174A (en) * 1980-03-10 1985-05-07 Ricoh Company, Ltd. Video signal regulating apparatus
US4965444A (en) * 1988-08-17 1990-10-23 Ransburg Corporation Automatic gain control fiber optica-to-electrical transceiver
US7240250B2 (en) * 2002-08-29 2007-07-03 Seagate Technology Llc Head degradation characterization for a data storage device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568151A (en) * 1966-03-23 1971-03-02 Hitachi Ltd Photoelectrical conversion system for pattern-recognizing apparatus and the like
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
US3437817A (en) * 1966-04-25 1969-04-08 Bausch & Lomb Gain control circuit for photomultiplier tubes with a semi-conductor device connected across the last resistor of the divider
US3464022A (en) * 1967-08-30 1969-08-26 Mandrel Industries Apparatus for controlling the gain of binary gain ranging amplifiers

Also Published As

Publication number Publication date
DE2327802A1 (de) 1973-12-13
CH578285A5 (ro) 1976-07-30
GB1429267A (en) 1976-03-24
US3796866A (en) 1974-03-12
DE2327802B2 (de) 1977-10-13
CA1018632A (en) 1977-10-04
FR2186777B1 (ro) 1977-11-10
FR2186777A1 (ro) 1974-01-11
JPS4957752A (ro) 1974-06-05
DE2327802C3 (de) 1978-06-01

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