NO141064C - Apparat til aa redusere intensiteten av lys - Google Patents

Apparat til aa redusere intensiteten av lys

Info

Publication number
NO141064C
NO141064C NO761379A NO761379A NO141064C NO 141064 C NO141064 C NO 141064C NO 761379 A NO761379 A NO 761379A NO 761379 A NO761379 A NO 761379A NO 141064 C NO141064 C NO 141064C
Authority
NO
Norway
Prior art keywords
intensity
reduce
light
Prior art date
Application number
NO761379A
Other languages
English (en)
Norwegian (no)
Other versions
NO141064B (no
NO761379L (xx
Inventor
Robert Edward Gottschalk
Original Assignee
Gottschalk Robert E
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 Gottschalk Robert E filed Critical Gottschalk Robert E
Publication of NO761379L publication Critical patent/NO761379L/no
Publication of NO141064B publication Critical patent/NO141064B/no
Publication of NO141064C publication Critical patent/NO141064C/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Magnetic Heads (AREA)
  • Glass Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
NO761379A 1975-05-02 1976-04-22 Apparat til aa redusere intensiteten av lys NO141064C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/574,048 US4015113A (en) 1975-05-02 1975-05-02 Apparatus for varying intensity of light

Publications (3)

Publication Number Publication Date
NO761379L NO761379L (xx) 1976-11-03
NO141064B NO141064B (no) 1979-09-24
NO141064C true NO141064C (no) 1980-01-09

Family

ID=24294471

Family Applications (1)

Application Number Title Priority Date Filing Date
NO761379A NO141064C (no) 1975-05-02 1976-04-22 Apparat til aa redusere intensiteten av lys

Country Status (26)

Country Link
US (1) US4015113A (xx)
JP (1) JPS51135643A (xx)
AT (1) AT355131B (xx)
AU (1) AU500696B2 (xx)
BE (1) BE841323A (xx)
BR (1) BR7602671A (xx)
CA (1) CA1055456A (xx)
CH (1) CH601831A5 (xx)
CS (1) CS190530B2 (xx)
DD (1) DD126630A5 (xx)
DE (1) DE2618918C3 (xx)
DK (1) DK195176A (xx)
ES (1) ES447514A1 (xx)
FI (1) FI761197A (xx)
FR (1) FR2309790A1 (xx)
GB (1) GB1510031A (xx)
HK (1) HK51681A (xx)
IE (1) IE43029L (xx)
IL (1) IL49440A (xx)
IT (1) IT1066408B (xx)
MX (1) MX143421A (xx)
NL (1) NL7604498A (xx)
NO (1) NO141064C (xx)
NZ (1) NZ180639A (xx)
SE (1) SE414664B (xx)
ZA (1) ZA762335B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111984U (xx) * 1978-01-26 1979-08-07
DE3212284A1 (de) * 1982-04-02 1983-10-13 Heinrich 6238 Hofheim Wendel Leuchtengehaeuse
JPS60103802A (ja) * 1983-11-11 1985-06-08 Matsushita Electric Ind Co Ltd 導波管―ｔｅｍモード変換器
DE3524734A1 (de) * 1985-07-11 1987-01-29 Ritter Ag Reflektoranordnung und damit gebildete filmbetrachtungseinrichtung mit einstellbarer helligkeit
US4617619A (en) * 1985-10-02 1986-10-14 American Sterilizer Company Reflector for multiple source lighting fixture
US5067064A (en) * 1990-03-16 1991-11-19 American Sterilizer Company Pattern change mechanism
US5371655A (en) * 1992-05-22 1994-12-06 Panavision International, L.P. System for varying light intensity such as for use in motion picture photography
US5515119A (en) * 1992-05-22 1996-05-07 Panavision International, L.P. System for varying light intensity such as for use in motion picture photography
DE9309879U1 (de) * 1993-07-02 1993-09-09 Lichttechnik-Vertriebsgesellschaft mbH Hagenbach & Grill, 80805 München Lichtabblendvorrichtung
US5984484A (en) * 1997-10-31 1999-11-16 Trw Inc. Large area pulsed solar simulator
US20040090791A1 (en) * 2002-11-07 2004-05-13 Guide Corporation Rotating blind turn signal lamp
US20040165391A1 (en) * 2003-02-20 2004-08-26 Aetek Uv Systems, Inc. Method and apparatus for linear lamp irradiance correction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493426A (en) * 1922-12-21 1924-05-06 John R Penn Modifying means for headlights
US1604520A (en) * 1926-06-01 1926-10-26 Frederick W Kleese Lens
US1725117A (en) * 1928-03-20 1929-08-20 Harry B Walthers Headlight control
US3382353A (en) * 1966-11-30 1968-05-07 American Cystoscope Makers Inc Fiber optic light source
US3775606A (en) * 1972-01-07 1973-11-27 Medical Prod Corp Fiber-optic light console
DE2417605C3 (de) * 1974-04-10 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Breitstrahlende Straßenleuchte

Also Published As

Publication number Publication date
GB1510031A (en) 1978-05-10
IE43029L (en) 1981-08-14
ZA762335B (en) 1977-04-27
HK51681A (en) 1981-11-06
DE2618918C3 (de) 1978-09-21
IL49440A0 (en) 1976-06-30
IE43029B1 (en) 1980-12-03
DE2618918B2 (de) 1978-01-19
ATA320676A (de) 1979-07-15
DK195176A (da) 1976-11-03
SE7604705L (sv) 1976-11-03
AU1319176A (en) 1977-10-27
DD126630A5 (xx) 1977-08-03
BE841323A (fr) 1976-11-03
CA1055456A (en) 1979-05-29
NO141064B (no) 1979-09-24
SE414664B (sv) 1980-08-11
BR7602671A (pt) 1976-11-09
FR2309790B1 (xx) 1981-10-09
CH601831A5 (xx) 1978-07-14
IL49440A (en) 1978-06-15
AT355131B (de) 1980-02-11
MX143421A (es) 1981-05-08
AU500696B2 (en) 1979-05-31
DE2618918A1 (de) 1976-11-04
FI761197A (xx) 1976-11-03
IT1066408B (it) 1985-03-12
JPS5734602B2 (xx) 1982-07-23
JPS51135643A (en) 1976-11-24
ES447514A1 (es) 1977-07-01
US4015113A (en) 1977-03-29
NL7604498A (nl) 1976-11-04
NZ180639A (en) 1979-10-25
NO761379L (xx) 1976-11-03
FR2309790A1 (fr) 1976-11-26
CS190530B2 (en) 1979-05-31

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