ATE186597T1 - System zur lichtstärkesteuerung, insbesondere für kinematographische photographie - Google Patents

System zur lichtstärkesteuerung, insbesondere für kinematographische photographie

Info

Publication number
ATE186597T1
ATE186597T1 AT95103985T AT95103985T ATE186597T1 AT E186597 T1 ATE186597 T1 AT E186597T1 AT 95103985 T AT95103985 T AT 95103985T AT 95103985 T AT95103985 T AT 95103985T AT E186597 T1 ATE186597 T1 AT E186597T1
Authority
AT
Austria
Prior art keywords
filter
light
neutral
density
photography
Prior art date
Application number
AT95103985T
Other languages
English (en)
Inventor
Nolan J Murdock
Felipe Navarro
Original Assignee
Panavision Inc
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 Panavision Inc filed Critical Panavision Inc
Application granted granted Critical
Publication of ATE186597T1 publication Critical patent/ATE186597T1/de

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Blocking Light For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Eye Examination Apparatus (AREA)
  • Endoscopes (AREA)
  • Indole Compounds (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Color Television Image Signal Generators (AREA)
AT95103985T 1994-03-25 1995-03-17 System zur lichtstärkesteuerung, insbesondere für kinematographische photographie ATE186597T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/217,898 US5515119A (en) 1992-05-22 1994-03-25 System for varying light intensity such as for use in motion picture photography

Publications (1)

Publication Number Publication Date
ATE186597T1 true ATE186597T1 (de) 1999-11-15

Family

ID=22812935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95103985T ATE186597T1 (de) 1994-03-25 1995-03-17 System zur lichtstärkesteuerung, insbesondere für kinematographische photographie

Country Status (7)

Country Link
US (1) US5515119A (de)
EP (1) EP0678701B1 (de)
JP (1) JPH07311352A (de)
AT (1) ATE186597T1 (de)
AU (1) AU683716B2 (de)
CA (1) CA2145491A1 (de)
DE (1) DE69513218T2 (de)

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US6769792B1 (en) 1991-04-30 2004-08-03 Genlyte Thomas Group Llc High intensity lighting projectors
US6259572B1 (en) * 1996-02-21 2001-07-10 Rosco Laboratories, Inc. Photographic color effects lighting filter system
JP3015010B1 (ja) * 1998-09-30 2000-02-28 日本コーバン株式会社 照明装置
US7092098B2 (en) 2000-02-10 2006-08-15 Production Resource Group, L.L.C. Calibration for optical filter
AT502785B1 (de) * 2001-04-11 2009-02-15 Lomographische Ag Blitzlichtgerät mit mindestens einer lichtquelle
US6749310B2 (en) * 2001-09-07 2004-06-15 Contrast Lighting Services, Inc. Wide area lighting effects system
US7331681B2 (en) * 2001-09-07 2008-02-19 Litepanels Llc Lighting apparatus with adjustable lenses or filters
US7604361B2 (en) 2001-09-07 2009-10-20 Litepanels Llc Versatile lighting apparatus and associated kit
ITTO20020371A1 (it) * 2002-05-06 2003-11-06 Bruno Baiardi Proiettore di luce con set di filtri ruotanti atttorno al proprio asse.
GB0214431D0 (en) * 2002-06-21 2002-07-31 Wynne Willson Gottelier Ltd Light beam shaping apparatus
US20040090791A1 (en) * 2002-11-07 2004-05-13 Guide Corporation Rotating blind turn signal lamp
GB0407847D0 (en) * 2004-04-07 2004-05-12 Gekko Technology Ltd Lighting apparatus
US7440205B2 (en) * 2004-09-14 2008-10-21 Barco N.V. Variable intensity dimmer
US7798959B2 (en) * 2005-07-05 2010-09-21 Hoya Corporation Endoscope light source unit with light quantity control
US7517092B2 (en) * 2005-09-27 2009-04-14 Infocus Corporation Method and system for dynamic gradient light filtering
JP4787004B2 (ja) * 2005-11-15 2011-10-05 Ｈｏｙａ株式会社 内視鏡光源装置
CN100443940C (zh) * 2006-08-02 2008-12-17 中国科学院西安光学精密机械研究所 自动调光装置
ITMI20080741A1 (it) * 2008-04-23 2009-10-24 Clay Paky Spa Gruppo ruota a effetti per un proiettore luminoso, in particolare un proiettore da palcoscenico
GB2482562A (en) * 2010-08-06 2012-02-08 Morten Hjerde Light control device
IT1403592B1 (it) * 2010-12-21 2013-10-31 Clay Paky Spa Proiettore da palcoscenico
US8699000B2 (en) 2010-12-23 2014-04-15 Asml Netherlands B.V. Illumination system for a lithographic apparatus
JP5323866B2 (ja) * 2011-01-13 2013-10-23 シャープ株式会社 電子機器
WO2016054420A1 (en) 2014-10-01 2016-04-07 Robe Lighting, Inc. An automated scrim system for a luminaire
CN108107648A (zh) * 2018-01-31 2018-06-01 苏州振旺光电有限公司 滤光片转换装置、成像设备及定位控制方法
USD857979S1 (en) 2018-03-05 2019-08-27 Intellytech Llc Foldable light emitting mat
USD857980S1 (en) 2018-04-05 2019-08-27 Intellytech Llc Foldable light emitting mat
US11506693B2 (en) 2019-10-11 2022-11-22 Landis+Gyr Innovations, Inc. Meter and socket for use with a distributed energy resource device

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US1820899A (en) * 1924-04-10 1931-08-25 Greenewalt Mary Hallock Lighting appliance
US2748248A (en) * 1953-06-10 1956-05-29 Wiegand Co Edwin L Electric heating units
GB821605A (en) * 1954-12-13 1959-10-14 Pye Ltd Improvements in or relating to light-control devices for cameras
US3538825A (en) * 1968-02-12 1970-11-10 Honeywell Inc Photographic flash apparatus
US3883243A (en) * 1973-09-25 1975-05-13 Berkey Photo Inc Light color regulating apparatus
US4015113A (en) * 1975-05-02 1977-03-29 Gottschalk Robert E Apparatus for varying intensity of light
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US4232359A (en) * 1979-04-09 1980-11-04 Berkey-Colortran, Inc. Spotlight or other illuminator
FR2455751A1 (fr) * 1979-05-02 1980-11-28 Thomson Csf Systeme recepteur optoelectrique multispectral a haute dynamique
DE2924956A1 (de) * 1979-06-21 1981-01-08 Rollei Werke Franke Heidecke Reflektor fuer verschiedene ausleuchtwinkel
FR2465155A1 (fr) * 1979-09-11 1981-03-20 Aubry Laurent Mecanisme de mise en frequence de decoupes rotatives associees a un projecteur de lumiere
US4392187A (en) * 1981-03-02 1983-07-05 Vari-Lite, Ltd. Computer controlled lighting system having automatically variable position, color, intensity and beam divergence
US4527198A (en) * 1982-11-19 1985-07-02 Michael Callahan Followspot parameter feedback
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US4602321A (en) * 1985-02-28 1986-07-22 Vari-Lite, Inc. Light source having automatically variable hue, saturation and beam divergence
DE3609947A1 (de) * 1986-03-25 1987-10-01 Claudia Joerns Rotationseffekt-vorsatz fuer lichtstrahler
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US4897770A (en) * 1988-03-04 1990-01-30 Dennis Solomon Symmetrical color changer system
US4984143A (en) * 1988-07-26 1991-01-08 Morpheus Lights, Inc. Color filter changer
US4914556A (en) * 1988-07-26 1990-04-03 Morpheus Lights, Inc. Spectral filter module
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US4972306A (en) * 1989-01-23 1990-11-20 Vari-Lite, Inc. Compact variable diffuser for use in a luminaire
JPH0455838A (ja) * 1990-06-25 1992-02-24 Sony Corp ビデオカメラ
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

Also Published As

Publication number Publication date
DE69513218T2 (de) 2001-10-04
AU1503695A (en) 1995-10-05
EP0678701B1 (de) 1999-11-10
CA2145491A1 (en) 1995-09-26
DE69513218D1 (de) 1999-12-16
AU683716B2 (en) 1997-11-20
JPH07311352A (ja) 1995-11-28
EP0678701A1 (de) 1995-10-25
US5515119A (en) 1996-05-07

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee