SE8400551L - Ljusstyrkegivare - Google Patents

Ljusstyrkegivare

Info

Publication number
SE8400551L
SE8400551L SE8400551D SE8400551D SE8400551L SE 8400551 L SE8400551 L SE 8400551L SE 8400551 D SE8400551 D SE 8400551D SE 8400551 D SE8400551 D SE 8400551D SE 8400551 L SE8400551 L SE 8400551L
Authority
SE
Sweden
Prior art keywords
brightness sensor
brightness
sensor
Prior art date
Application number
SE8400551D
Other languages
English (en)
Swedish (sv)
Other versions
SE8400551D0 (sv
Inventor
D Jacquel
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 SE8400551D0 publication Critical patent/SE8400551D0/xx
Publication of SE8400551L publication Critical patent/SE8400551L/xx

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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Machine Tool Copy Controls (AREA)
SE8400551D 1983-02-04 1984-02-03 Ljusstyrkegivare SE8400551L (sv)

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
SE8400551D0 SE8400551D0 (sv) 1984-02-03
SE8400551L true SE8400551L (sv) 1984-08-05

Family

ID=9285604

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8400551A SE451278B (sv) 1983-02-04 1984-02-03 Ljusstyrkegivare
SE8400551D SE8400551L (sv) 1983-02-04 1984-02-03 Ljusstyrkegivare

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE8400551A SE451278B (sv) 1983-02-04 1984-02-03 Ljusstyrkegivare

Country Status (11)

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

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 (xx) * 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
IT1173186B (it) 1987-06-18
ES8502256A1 (es) 1984-12-16
AU562153B2 (en) 1987-05-28
BE904781Q (fr) 1986-09-01
FR2540625A1 (fr) 1984-08-10
ES529455A0 (es) 1984-12-16
DE3402844A1 (de) 1984-08-16
AU2397884A (en) 1984-08-09
CH655211A5 (fr) 1986-03-27
NL8400323A (nl) 1984-09-03
SE451278B (sv) 1987-09-21
JPS59170733A (ja) 1984-09-27
SE8400551D0 (sv) 1984-02-03
JPH0441767B2 (xx) 1992-07-09
US4612438A (en) 1986-09-16
FR2540625B1 (xx) 1985-05-17
IT8419399A0 (it) 1984-02-02
DE3402844C2 (de) 1986-05-15

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8301759-0

Effective date: 19880526