FR1431897A - Photorhéostat - Google Patents

Photorhéostat

Info

Publication number
FR1431897A
FR1431897A FR4509A FR4509A FR1431897A FR 1431897 A FR1431897 A FR 1431897A FR 4509 A FR4509 A FR 4509A FR 4509 A FR4509 A FR 4509A FR 1431897 A FR1431897 A FR 1431897A
Authority
FR
France
Prior art keywords
photorheostat
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
FR4509A
Other languages
English (en)
French (fr)
Inventor
Michel Nicolas
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.)
CIE IND FRANCAISE TUBES ELECT
INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES Cie
Original Assignee
CIE IND FRANCAISE TUBES ELECT
INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES Cie
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 CIE IND FRANCAISE TUBES ELECT, INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES Cie filed Critical CIE IND FRANCAISE TUBES ELECT
Priority to FR4509A priority Critical patent/FR1431897A/fr
Priority to US523332A priority patent/US3414730A/en
Priority to GB4112/66A priority patent/GB1128593A/en
Priority to DE19661539740 priority patent/DE1539740A1/de
Priority to NL6601440A priority patent/NL6601440A/xx
Application granted granted Critical
Publication of FR1431897A publication Critical patent/FR1431897A/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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
    • H10F55/20—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers
    • H10F55/205—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers wherein the radiation-sensitive semiconductor devices have no potential barriers, e.g. photoresistors
    • H10F55/208—Optical potentiometers
FR4509A 1965-02-05 1965-02-05 Photorhéostat Expired FR1431897A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR4509A FR1431897A (fr) 1965-02-05 1965-02-05 Photorhéostat
US523332A US3414730A (en) 1965-02-05 1966-01-27 Photorheostat including discharge lamp and masking means and utilizing length of discharge
GB4112/66A GB1128593A (en) 1965-02-05 1966-01-31 Improvements in or relating to photorheostats
DE19661539740 DE1539740A1 (de) 1965-02-05 1966-02-04 Photowiderstand
NL6601440A NL6601440A (enrdf_load_stackoverflow) 1965-02-05 1966-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4509A FR1431897A (fr) 1965-02-05 1965-02-05 Photorhéostat

Publications (1)

Publication Number Publication Date
FR1431897A true FR1431897A (fr) 1966-03-18

Family

ID=8570136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4509A Expired FR1431897A (fr) 1965-02-05 1965-02-05 Photorhéostat

Country Status (5)

Country Link
US (1) US3414730A (enrdf_load_stackoverflow)
DE (1) DE1539740A1 (enrdf_load_stackoverflow)
FR (1) FR1431897A (enrdf_load_stackoverflow)
GB (1) GB1128593A (enrdf_load_stackoverflow)
NL (1) NL6601440A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014871A1 (de) * 1970-03-26 1971-10-14 Agfa Gevaert Ag Fotowiderstand
US4284885A (en) * 1978-05-26 1981-08-18 Honeywell Inc. Optical potentiometer
US4551623A (en) * 1981-12-07 1985-11-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Photoconductive detector with an A/C bias and responsivity dependent upon the polarity of the bias
JPS58207766A (ja) * 1982-05-28 1983-12-03 Fuji Xerox Co Ltd イメ−ジセンサ
US4600834A (en) * 1983-10-31 1986-07-15 The United States Of America As Represented By The United States Department Of Energy Precision zero-home locator
WO2000022680A1 (en) * 1998-10-13 2000-04-20 Hamamatsu Photonics K.K. Semiconductor position sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258601A (en) * 1966-06-28 Photosensitive variable resistance device
US2997630A (en) * 1956-08-30 1961-08-22 Itt Holding switch
US2967945A (en) * 1957-03-09 1961-01-10 Philips Corp Variable electric impedance
US3143653A (en) * 1961-06-01 1964-08-04 Lear Siegler Inc Photosensitive electroluminescent indicating apparatus
US3171034A (en) * 1961-12-21 1965-02-23 Tomasulo Walter Electro-optical control
US3363106A (en) * 1964-06-26 1968-01-09 Seeburg Corp Photo-conductor potential divider

Also Published As

Publication number Publication date
US3414730A (en) 1968-12-03
DE1539740A1 (de) 1969-10-02
GB1128593A (en) 1968-09-25
NL6601440A (enrdf_load_stackoverflow) 1966-08-08

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