AU6047198A - Projection televisions with holographic screens for high off axis exclusion - Google Patents
Projection televisions with holographic screens for high off axis exclusionInfo
- Publication number
- AU6047198A AU6047198A AU60471/98A AU6047198A AU6047198A AU 6047198 A AU6047198 A AU 6047198A AU 60471/98 A AU60471/98 A AU 60471/98A AU 6047198 A AU6047198 A AU 6047198A AU 6047198 A AU6047198 A AU 6047198A
- Authority
- AU
- Australia
- Prior art keywords
- exclusion
- axis
- projection televisions
- holographic screens
- holographic
- 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.)
- Abandoned
Links
Classifications
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/567—Projection screens for colour projection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- 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]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1998/001627 WO1999039511A1 (en) | 1998-01-29 | 1998-01-29 | Projection televisions with holographic screens for high off axis exclusion |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6047198A true AU6047198A (en) | 1999-08-16 |
Family
ID=22266280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU60471/98A Abandoned AU6047198A (en) | 1998-01-29 | 1998-01-29 | Projection televisions with holographic screens for high off axis exclusion |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1051855A1 (en) |
JP (1) | JP2002502197A (en) |
KR (1) | KR20010040479A (en) |
CN (1) | CN1284235A (en) |
AU (1) | AU6047198A (en) |
WO (1) | WO1999039511A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4556913A (en) * | 1984-01-13 | 1985-12-03 | Rca Corporation | Apparatus for preventing virtual images in projection television receivers |
US5046793A (en) * | 1989-05-26 | 1991-09-10 | Litton Systems, Inc. | Chromatically corrected directional diffusing screen |
JP3340766B2 (en) * | 1992-09-03 | 2002-11-05 | 株式会社リコー | Transmission projection screen |
EP0727056B1 (en) * | 1994-09-06 | 2002-05-08 | Koninklijke Philips Electronics N.V. | Rear projection screen |
US5760955A (en) * | 1995-04-06 | 1998-06-02 | Philips Electronics North America Corporation | Rear projection screen with reduced speckle |
JPH0973132A (en) * | 1995-09-05 | 1997-03-18 | Casio Comput Co Ltd | Transmission type screen and display device using the same |
JP3525584B2 (en) * | 1995-10-24 | 2004-05-10 | 株式会社デンソー | Hologram display device |
-
1998
- 1998-01-29 CN CN98813391A patent/CN1284235A/en active Pending
- 1998-01-29 WO PCT/US1998/001627 patent/WO1999039511A1/en not_active Application Discontinuation
- 1998-01-29 JP JP2000529843A patent/JP2002502197A/en not_active Withdrawn
- 1998-01-29 KR KR1020007008335A patent/KR20010040479A/en not_active Application Discontinuation
- 1998-01-29 AU AU60471/98A patent/AU6047198A/en not_active Abandoned
- 1998-01-29 EP EP98903795A patent/EP1051855A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1999039511A1 (en) | 1999-08-05 |
KR20010040479A (en) | 2001-05-15 |
CN1284235A (en) | 2001-02-14 |
EP1051855A1 (en) | 2000-11-15 |
JP2002502197A (en) | 2002-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |