NL8400323A - Inrichting voor het meten van lichtsterkten. - Google Patents

Inrichting voor het meten van lichtsterkten. Download PDF

Info

Publication number
NL8400323A
NL8400323A NL8400323A NL8400323A NL8400323A NL 8400323 A NL8400323 A NL 8400323A NL 8400323 A NL8400323 A NL 8400323A NL 8400323 A NL8400323 A NL 8400323A NL 8400323 A NL8400323 A NL 8400323A
Authority
NL
Netherlands
Prior art keywords
voltage
generator
electronic
terminal
changing
Prior art date
Application number
NL8400323A
Other languages
English (en)
Dutch (nl)
Original Assignee
Somfy
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 filed Critical Somfy
Publication of NL8400323A publication Critical patent/NL8400323A/nl

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric 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)
NL8400323A 1983-02-04 1984-02-02 Inrichting voor het meten van lichtsterkten. NL8400323A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8301759 1983-02-04
FR8301759A FR2540625A1 (fr) 1983-02-04 1983-02-04 Capteur d'intensite lumineuse

Publications (1)

Publication Number Publication Date
NL8400323A true NL8400323A (nl) 1984-09-03

Family

ID=9285604

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400323A NL8400323A (nl) 1983-02-04 1984-02-02 Inrichting voor het meten van lichtsterkten.

Country Status (11)

Country Link
US (1) US4612438A (el)
JP (1) JPS59170733A (el)
AU (1) AU562153B2 (el)
BE (1) BE904781Q (el)
CH (1) CH655211A5 (el)
DE (1) DE3402844C2 (el)
ES (1) ES8502256A1 (el)
FR (1) FR2540625A1 (el)
IT (1) IT1173186B (el)
NL (1) NL8400323A (el)
SE (2) SE451278B (el)

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 (el) * 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
CH655211A5 (fr) 1986-03-27
DE3402844A1 (de) 1984-08-16
ES529455A0 (es) 1984-12-16
BE904781Q (fr) 1986-09-01
AU562153B2 (en) 1987-05-28
IT8419399A0 (it) 1984-02-02
SE451278B (sv) 1987-09-21
DE3402844C2 (de) 1986-05-15
JPS59170733A (ja) 1984-09-27
IT1173186B (it) 1987-06-18
ES8502256A1 (es) 1984-12-16
SE8400551L (sv) 1984-08-05
US4612438A (en) 1986-09-16
FR2540625A1 (fr) 1984-08-10
FR2540625B1 (el) 1985-05-17
SE8400551D0 (sv) 1984-02-03
AU2397884A (en) 1984-08-09
JPH0441767B2 (el) 1992-07-09

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed