GB2098310B - Illumination systems for test projectors - Google Patents

Illumination systems for test projectors

Info

Publication number
GB2098310B
GB2098310B GB8206960A GB8206960A GB2098310B GB 2098310 B GB2098310 B GB 2098310B GB 8206960 A GB8206960 A GB 8206960A GB 8206960 A GB8206960 A GB 8206960A GB 2098310 B GB2098310 B GB 2098310B
Authority
GB
United Kingdom
Prior art keywords
projectors
test
illumination systems
illumination
systems
Prior art date
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
GB8206960A
Other languages
English (en)
Other versions
GB2098310A (en
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Publication of GB2098310A publication Critical patent/GB2098310A/en
Application granted granted Critical
Publication of GB2098310B publication Critical patent/GB2098310B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
    • H04N23/16—Optical arrangements associated therewith, e.g. for beam-splitting or for colour correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Microscoopes, Condenser (AREA)
  • Color Television Image Signal Generators (AREA)
GB8206960A 1981-05-08 1982-03-10 Illumination systems for test projectors Expired GB2098310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813118249 DE3118249A1 (de) 1981-05-08 1981-05-08 "beleuchtungseinrichtung fuer einen testprojektor"

Publications (2)

Publication Number Publication Date
GB2098310A GB2098310A (en) 1982-11-17
GB2098310B true GB2098310B (en) 1984-08-30

Family

ID=6131781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8206960A Expired GB2098310B (en) 1981-05-08 1982-03-10 Illumination systems for test projectors

Country Status (5)

Country Link
US (1) US4384769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57181171U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3118249A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2505511A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2098310B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401309A (nl) * 1984-04-24 1985-11-18 Philips Nv Kleurentelevisiekamera uitgevoerd met verscheidene opneemelementen.
US5002365A (en) * 1989-10-16 1991-03-26 Eastman Kodak Company Beam splitter for color imaging apparatus
JP2681304B2 (ja) * 1990-05-16 1997-11-26 日本ビクター株式会社 表示装置
US5392080A (en) * 1993-04-28 1995-02-21 Sony Electronics, Inc. Method and apparatus for an integrating sphere lamphouse
US5850256A (en) * 1995-12-15 1998-12-15 Corley; Ferrand David Portable test pattern illuminator
JP2002072358A (ja) * 2000-08-29 2002-03-12 Toshiba Corp 投写型ディスプレイの照明装置及び投写型ディスプレイ装置
US6896381B2 (en) * 2002-10-11 2005-05-24 Light Prescriptions Innovators, Llc Compact folded-optics illumination lens
US7377671B2 (en) * 2003-02-04 2008-05-27 Light Prescriptions Innovators, Llc Etendue-squeezing illumination optics
US8075147B2 (en) * 2003-05-13 2011-12-13 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US7329029B2 (en) * 2003-05-13 2008-02-12 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
WO2004104925A2 (en) * 2003-05-21 2004-12-02 Light Prescription Innovators, Llc Method and apparatus for use in injecting light into an optical system
EP1664851B1 (en) * 2003-07-28 2014-11-12 Light Prescriptions Innovators, LLC. Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom
EP1628494A1 (en) * 2004-08-17 2006-02-22 Dialog Semiconductor GmbH Intelligent light source with synchronization with a digital camera
EP1648181A1 (en) 2004-10-12 2006-04-19 Dialog Semiconductor GmbH A multiple frame grabber
US8631787B2 (en) * 2005-07-28 2014-01-21 Light Prescriptions Innovators, Llc Multi-junction solar cells with a homogenizer system and coupled non-imaging light concentrator
WO2007014371A2 (en) * 2005-07-28 2007-02-01 Light Prescriptions Innovators, Llc Etendue-conserving illumination-optics for backlights and frontlights
EP1920285A4 (en) * 2005-07-28 2010-11-03 Light Prescriptions Innovators LENS OPTICAL FREE-FORM ELEMENTS AND THEIR APPLICATION TO CAPACITORS AND HEADLIGHTS
JP4752569B2 (ja) * 2006-03-29 2011-08-17 カシオ計算機株式会社 投影装置、光源制御方法及びプログラム
WO2008008994A2 (en) * 2006-07-14 2008-01-17 Light Prescriptions Innovators, Llc Brightness-enhancing film
EP2057409A2 (en) * 2006-08-10 2009-05-13 Light Prescriptions Innovators, LLC. Led light recycling for luminance enhancement and angular narrowing
WO2008022065A2 (en) * 2006-08-11 2008-02-21 Light Prescriptions Innovators, Llc Led luminance-enhancement and color-mixing by rotationally multiplexed beam-combining
US20090225529A1 (en) * 2008-02-21 2009-09-10 Light Prescriptions Innovators, Llc Spherically emitting remote phosphor
US10545314B1 (en) 2014-03-16 2020-01-28 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low lateral chromatic aberration
US9316820B1 (en) 2014-03-16 2016-04-19 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low astigmatism
US10139595B1 (en) 2014-03-16 2018-11-27 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US10386604B1 (en) 2014-03-16 2019-08-20 Navitar Industries, Llc Compact wide field of view digital camera with stray light impact suppression
US9316808B1 (en) 2014-03-16 2016-04-19 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with a low sag aspheric lens element
US9494772B1 (en) 2014-03-16 2016-11-15 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low field curvature
US9726859B1 (en) 2014-03-16 2017-08-08 Navitar Industries, Llc Optical assembly for a wide field of view camera with low TV distortion
US9091843B1 (en) 2014-03-16 2015-07-28 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low track length to focal length ratio
US9995910B1 (en) 2014-03-16 2018-06-12 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with high MTF

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2342115A (en) * 1941-11-21 1944-02-22 Frederic D Blauvelt Means for consolidating in a single beam light from a plurality of sources
US2589569A (en) * 1948-08-04 1952-03-18 Westinghouse Brake & Signal Optical system for use in light signals, indicators, and the like
US3327583A (en) * 1962-07-16 1967-06-27 Lion Res Corp Apparatus with diffusely reflecting hollow housing for measuring absolute reflectivity of a surface and the like
DE1537130B2 (de) * 1967-10-25 1974-07-18 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Farbfernsehkamera mit verringertem Nachziehen
JPS5423270B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-03-13 1979-08-13
JPS5021628A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-25 1975-03-07
JPS53119623A (en) * 1977-03-29 1978-10-19 Canon Inc Television camera
DE2813262A1 (de) * 1977-03-29 1978-10-05 Canon Kk Fernsehkamera
GB1597515A (en) * 1977-04-06 1981-09-09 Ici Ltd Stabilising vermiculite articles
JPS5535337A (en) * 1978-09-01 1980-03-12 Fuji Photo Optical Co Ltd Light source device in photographic printer
JPS55124380A (en) * 1979-03-19 1980-09-25 Canon Inc Television camera

Also Published As

Publication number Publication date
US4384769A (en) 1983-05-24
DE3118249A1 (de) 1982-11-25
GB2098310A (en) 1982-11-17
FR2505511A1 (fr) 1982-11-12
JPS57181171U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-11-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee