FR2108740A5 - - Google Patents

Info

Publication number
FR2108740A5
FR2108740A5 FR7135270A FR7135270A FR2108740A5 FR 2108740 A5 FR2108740 A5 FR 2108740A5 FR 7135270 A FR7135270 A FR 7135270A FR 7135270 A FR7135270 A FR 7135270A FR 2108740 A5 FR2108740 A5 FR 2108740A5
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
FR7135270A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2108740A5 publication Critical patent/FR2108740A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7135270A 1970-09-30 1971-09-30 Expired FR2108740A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4657370A GB1367884A (en) 1970-09-30 1970-09-30 Temperature compensating circuits for photoconductive cells

Publications (1)

Publication Number Publication Date
FR2108740A5 true FR2108740A5 (fr) 1972-05-19

Family

ID=10441778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135270A Expired FR2108740A5 (fr) 1970-09-30 1971-09-30

Country Status (5)

Country Link
US (1) US3793522A (fr)
DE (1) DE2149440A1 (fr)
FR (1) FR2108740A5 (fr)
GB (1) GB1367884A (fr)
NL (1) NL7113330A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453704C2 (de) * 1974-11-13 1981-05-27 Vogel & Halke, 2000 Hamburg Schaltungsanordnung eines Signalverstärkers für ein mittels einer Meßbrücke erzeugtes Signal
US4171918A (en) * 1976-12-27 1979-10-23 Sentrol Systems Ltd. Infrared moisture measuring apparatus
FR2533073A1 (fr) * 1982-09-14 1984-03-16 Telecommunications Sa Procede et dispositif de stabilisation d'une photodiode a avalanche
US4682022A (en) * 1985-02-21 1987-07-21 The Perkin-Elmer Corporation Detector preamplifier for use with a MCT detector
US5198701A (en) * 1990-12-24 1993-03-30 Davies Robert B Current source with adjustable temperature variation
DE59306020D1 (de) * 1992-10-20 1997-05-07 Siemens Ag Verfahren zum Detektieren von Strahlung und Strahlungssensor
CN109582076B (zh) * 2019-01-09 2023-10-24 上海晟矽微电子股份有限公司 基准电流源

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH417787A (de) * 1964-12-16 1966-07-31 Heberlein & Co Ag Photoelektrische Schaltung zur Messung der relativen Änderung eines Lichtstroms
US3462606A (en) * 1965-01-27 1969-08-19 Versitron Inc Photoelectric relay using positive feedback
US3488506A (en) * 1966-05-17 1970-01-06 Dickson Electronics Corp Solar cell delay with transistor feedbacks
US3424908A (en) * 1966-10-19 1969-01-28 Gen Electric Amplifier for photocell
US3576452A (en) * 1968-05-28 1971-04-27 Motorola Inc Photodiode preamplifier circuit for a card reader system

Also Published As

Publication number Publication date
US3793522A (en) 1974-02-19
NL7113330A (fr) 1972-04-05
DE2149440A1 (de) 1972-04-06
GB1367884A (en) 1974-09-25

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Legal Events

Date Code Title Description
ST Notification of lapse