FR2540625B1 - - Google Patents

Info

Publication number
FR2540625B1
FR2540625B1 FR8301759A FR8301759A FR2540625B1 FR 2540625 B1 FR2540625 B1 FR 2540625B1 FR 8301759 A FR8301759 A FR 8301759A FR 8301759 A FR8301759 A FR 8301759A FR 2540625 B1 FR2540625 B1 FR 2540625B1
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
FR8301759A
Other versions
FR2540625A1 (fr
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.)
Somfy SA
Original Assignee
Somfy SA
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 Somfy SA filed Critical Somfy SA
Priority to FR8301759A priority Critical patent/FR2540625A1/fr
Priority to DE3402844A priority patent/DE3402844C2/de
Priority to US06/575,841 priority patent/US4612438A/en
Priority to AU23978/84A priority patent/AU562153B2/en
Priority to IT19399/84A priority patent/IT1173186B/it
Priority to CH488/84A priority patent/CH655211A5/fr
Priority to NL8400323A priority patent/NL8400323A/nl
Priority to SE8400551D priority patent/SE8400551L/xx
Priority to SE8400551A priority patent/SE451278B/sv
Priority to JP59017225A priority patent/JPS59170733A/ja
Priority to ES529455A priority patent/ES529455A0/es
Publication of FR2540625A1 publication Critical patent/FR2540625A1/fr
Application granted granted Critical
Publication of FR2540625B1 publication Critical patent/FR2540625B1/fr
Priority to BE0/216674A priority patent/BE904781Q/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Machine Tool Copy Controls (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR8301759A 1983-02-04 1983-02-04 Capteur d'intensite lumineuse Granted FR2540625A1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR8301759A FR2540625A1 (fr) 1983-02-04 1983-02-04 Capteur d'intensite lumineuse
DE3402844A DE3402844C2 (de) 1983-02-04 1984-01-27 Schaltungsanordnung zur Messung der Lichtstärke
US06/575,841 US4612438A (en) 1983-02-04 1984-01-31 Light intensity sensor providing a variable output current
AU23978/84A AU562153B2 (en) 1983-02-04 1984-02-01 Light intensity sensor
CH488/84A CH655211A5 (fr) 1983-02-04 1984-02-02 Capteur d'intensite lumineuse.
NL8400323A NL8400323A (nl) 1983-02-04 1984-02-02 Inrichting voor het meten van lichtsterkten.
IT19399/84A IT1173186B (it) 1983-02-04 1984-02-02 Captatore di intensita' luminosa
SE8400551D SE8400551L (sv) 1983-02-04 1984-02-03 Ljusstyrkegivare
SE8400551A SE451278B (sv) 1983-02-04 1984-02-03 Ljusstyrkegivare
JP59017225A JPS59170733A (ja) 1983-02-04 1984-02-03 可変出力電流を発生させる光強度検出装置
ES529455A ES529455A0 (es) 1983-02-04 1984-02-03 Perfeccionamientos en un captador de intensidad luminosa
BE0/216674A BE904781Q (fr) 1983-02-04 1986-05-14 Capteur d'intensite lumineuse.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301759A FR2540625A1 (fr) 1983-02-04 1983-02-04 Capteur d'intensite lumineuse

Publications (2)

Publication Number Publication Date
FR2540625A1 FR2540625A1 (fr) 1984-08-10
FR2540625B1 true FR2540625B1 (fr) 1985-05-17

Family

ID=9285604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8301759A Granted FR2540625A1 (fr) 1983-02-04 1983-02-04 Capteur d'intensite lumineuse

Country Status (11)

Country Link
US (1) US4612438A (fr)
JP (1) JPS59170733A (fr)
AU (1) AU562153B2 (fr)
BE (1) BE904781Q (fr)
CH (1) CH655211A5 (fr)
DE (1) DE3402844C2 (fr)
ES (1) ES529455A0 (fr)
FR (1) FR2540625A1 (fr)
IT (1) IT1173186B (fr)
NL (1) NL8400323A (fr)
SE (2) SE451278B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4693389B2 (ja) * 2004-11-02 2011-06-01 能美防災株式会社 炎感知器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL258177A (fr) * 1959-11-25
US3443101A (en) * 1965-08-09 1969-05-06 Gen Motors Corp Light sensitive circuit employing a zener diode in series with the photoconductive device
DE1562059A1 (de) * 1968-02-17 1970-02-26 Messerschmitt Boelkow Blohm Schaltungsanordnung mit einem elektrisch steuerbaren, lichtempfindlichen verstaerkerelement
DE2558155C3 (de) * 1974-12-28 1978-10-19 Canon K.K., Tokio Lkhtmeßschaltung
JPS5331952A (en) * 1976-09-06 1978-03-25 Hitachi Ltd Solid switch circuit
US4262220A (en) * 1979-03-28 1981-04-14 Rosemount Inc. Optical current isolator circuit
JPS5838041A (ja) * 1981-08-31 1983-03-05 Asahi Optical Co Ltd Ａｐｄバイアス回路
US4424440A (en) * 1981-10-16 1984-01-03 The Babcock & Wilcox Company Automatic photocell loading

Also Published As

Publication number Publication date
ES8502256A1 (es) 1984-12-16
AU2397884A (en) 1984-08-09
IT8419399A0 (it) 1984-02-02
NL8400323A (nl) 1984-09-03
US4612438A (en) 1986-09-16
SE451278B (sv) 1987-09-21
DE3402844C2 (de) 1986-05-15
DE3402844A1 (de) 1984-08-16
ES529455A0 (es) 1984-12-16
JPH0441767B2 (fr) 1992-07-09
SE8400551L (sv) 1984-08-05
IT1173186B (it) 1987-06-18
BE904781Q (fr) 1986-09-01
SE8400551D0 (sv) 1984-02-03
AU562153B2 (en) 1987-05-28
JPS59170733A (ja) 1984-09-27
FR2540625A1 (fr) 1984-08-10
CH655211A5 (fr) 1986-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse