AU6389794A - Illumination device for a projector - Google Patents

Illumination device for a projector

Info

Publication number: AU6389794A
Authority: AU; Australia
Prior art keywords: projector; illumination device; illumination
Prior art date: 1993-03-23
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.): Abandoned

Application number

AU63897/94A

Inventor

Stig Berglund

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.)

OPTICA NOVA ONAB AB

Original Assignee

OPTICA NOVA ONAB AB

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.)

1993-03-23

Filing date

1994-03-22

Publication date

1994-10-11

1994-03-22 Application filed by OPTICA NOVA ONAB AB filed Critical OPTICA NOVA ONAB AB

1994-10-11 Publication of AU6389794A publication Critical patent/AU6389794A/en

Status Abandoned legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
- H04N9/3108—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators by using a single electronic spatial light modulator
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/35—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using reflective optical elements in the optical path between the images and the observer
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Overhead Projectors And Projection Screens (AREA)
Transforming Electric Information Into Light Information (AREA)
Projection Apparatus (AREA)
Diffracting Gratings Or Hologram Optical Elements (AREA)

AU63897/94A 1993-03-23 1994-03-22 Illumination device for a projector Abandoned AU6389794A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9300958A SE9300958L (en)	1993-03-23	1993-03-23	Offset projector
PCT/SE1994/000254 WO1994022048A1 (en)	1993-03-23	1994-03-22	Illumination device for a projector

Publications (1)

Publication Number	Publication Date
AU6389794A true AU6389794A (en)	1994-10-11

Family

ID=20389328

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
AU63896/94A Abandoned AU6389694A (en)	1993-03-23	1994-03-22	Projection screen
AU63897/94A Abandoned AU6389794A (en)	1993-03-23	1994-03-22	Illumination device for a projector

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
AU63896/94A Abandoned AU6389694A (en)	1993-03-23	1994-03-22	Projection screen

Country Status (4)

Country	Link
EP (1)	EP0733229A1 (en)
AU (2)	AU6389694A (en)
SE (1)	SE9300958L (en)
WO (2)	WO1994022049A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1996021996A2 (en) *	1995-01-14	1996-07-18	Optica Nova Onab Ab	Colour pixel light separation in a projection device
US5701005A (en) *	1995-06-19	1997-12-23	Eastman Kodak Company	Color separating diffractive optical array and image sensor
WO2005034523A1 (en)	2003-04-16	2005-04-14	Upstream Engineering Oy	2d/3d data projector
FI20030583A (en)	2003-04-16	2004-10-17	Upstream Engineering Oy	Beamer
KR20070073543A (en)	2006-01-05	2007-07-10	최해용	High definition thin film reflective screen
WO2007115664A1 (en) *	2006-04-06	2007-10-18	Oc Oerlikon Balzers Ag	Projection illumination system, in which lenses with diffractive optical elements are used.
TW200821623A (en)	2006-08-10	2008-05-16	Upstream Engineering Oy	Illuminator method and device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2004262C3 (en) *	1970-01-30	1975-01-09	Philips Patentverwaltung Gmbh, 2000 Hamburg	Projection screen for granulation-free laser beam projection
US3893748A (en) *	1973-11-30	1975-07-08	Eastman Kodak Co	Low scintillation, multi-component projection screen
JPS5492234A (en) *	1977-12-28	1979-07-21	Canon Inc	Reflection type screen
DD139904A1 (en) *	1978-12-08	1980-01-23	Joerg Neumann	PROJECTION SCREEN CONSISTING OF FIELD LENS AND SPREADING DISC
US4268118A (en) *	1979-09-05	1981-05-19	Minnesota Mining And Manufacturing Company	Sheeting useful as a projection screen
US4436393A (en) *	1983-01-03	1984-03-13	Minnesota Mining And Manufacturing Company	Distortion correction for an overhead projector system
WO1987007398A1 (en) *	1986-05-30	1987-12-03	Laine Curtis S	Projection screen
CA1327468C (en) *	1988-09-12	1994-03-08	Dennis F. Vanderwerf	First surface fresnel reflector for liquid crystal display
US5296882A (en) *	1992-12-21	1994-03-22	Minnesota Mining And Manufacturing Company	Overhead projector with catadioptric fresnel lens

1993
- 1993-03-23 SE SE9300958A patent/SE9300958L/en not_active Application Discontinuation
1994
- 1994-03-22 AU AU63896/94A patent/AU6389694A/en not_active Abandoned
- 1994-03-22 WO PCT/SE1994/000253 patent/WO1994022049A1/en not_active Application Discontinuation
- 1994-03-22 WO PCT/SE1994/000254 patent/WO1994022048A1/en active Application Filing
- 1994-03-22 EP EP94911353A patent/EP0733229A1/en not_active Withdrawn
- 1994-03-22 AU AU63897/94A patent/AU6389794A/en not_active Abandoned

Also Published As

Publication number	Publication date
AU6389694A (en)	1994-10-11
WO1994022048A1 (en)	1994-09-29
WO1994022049A1 (en)	1994-09-29
SE9300958L (en)	1994-09-24
EP0733229A1 (en)	1996-09-25
SE9300958D0 (en)	1993-03-23

Publication	Publication Date	Title
AU1752992A (en)	1992-10-06	Light projection apparatus
AU1379295A (en)	1996-03-14	Lighting device for a bicycle
AU5346194A (en)	1994-05-09	A moisture-collecting device
GB2280815B (en)	1997-10-15	Projector device
AU5725994A (en)	1994-10-11	Lighting apparatus
AU8117494A (en)	1995-07-03	Light exhibiting device
AU5666394A (en)	1995-01-17	Lighting apparatus
AU6389794A (en)	1994-10-11	Illumination device for a projector
EP0573994A3 (en)	1994-05-18	Projector type lighting device
AU3861793A (en)	1993-11-18	A light projector
GB2273979B (en)	1996-11-27	Gate for a lamp
AU6529996A (en)	1997-04-30	Projector
AU5996894A (en)	1994-08-29	Lighting device for a bicycle
AU4263793A (en)	1994-11-08	Distributed lighting device
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AU5761594A (en)	1994-09-08	Segment for a line illumination device and device provided therewith
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GB9311901D0 (en)	1993-07-28	Projection device
GB9519694D0 (en)	1995-11-29	A lighting device
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AU2997192A (en)	1993-06-17	A light fitting apparatus