JPS5616135U - - Google Patents
Info
- Publication number
- JPS5616135U JPS5616135U JP1979004043U JP404379U JPS5616135U JP S5616135 U JPS5616135 U JP S5616135U JP 1979004043 U JP1979004043 U JP 1979004043U JP 404379 U JP404379 U JP 404379U JP S5616135 U JPS5616135 U JP S5616135U
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979004043U JPS5616135U (OSRAM) | 1979-01-17 | 1979-01-17 | |
| US06/110,187 US4309073A (en) | 1979-01-17 | 1980-01-07 | Translucent screen assembly |
| DE19803000752 DE3000752A1 (de) | 1979-01-17 | 1980-01-10 | Lichtdurchlaessiger bildschirm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979004043U JPS5616135U (OSRAM) | 1979-01-17 | 1979-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5616135U true JPS5616135U (OSRAM) | 1981-02-12 |
Family
ID=11573899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979004043U Pending JPS5616135U (OSRAM) | 1979-01-17 | 1979-01-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4309073A (OSRAM) |
| JP (1) | JPS5616135U (OSRAM) |
| DE (1) | DE3000752A1 (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58145933A (ja) * | 1982-02-25 | 1983-08-31 | Mitsubishi Rayon Co Ltd | 背面投影スクリ−ン |
| US4431720A (en) * | 1982-07-19 | 1984-02-14 | Zenith Radio Corp. | Imaging screen and coating therefor for rear-projection television |
| JPS6075826A (ja) * | 1983-06-13 | 1985-04-30 | Mitsubishi Rayon Co Ltd | 背面投影スクリーン |
| US4558922A (en) * | 1984-05-09 | 1985-12-17 | Beattie Systems, Inc. | Bright viewing and focusing screens |
| JPS61122623A (ja) * | 1984-11-19 | 1986-06-10 | Canon Inc | 投影装置 |
| NL8501424A (nl) * | 1985-05-17 | 1986-12-16 | Philips Nv | Optisch beeldvergrotend element, informatie-weergeefeenheid bevattende een dergelijk element en informatie-weergeefpaneel bevattende een aantal van dergelijke eenheden. |
| US4730897A (en) * | 1987-04-21 | 1988-03-15 | North American Philips Corporation | Projection screen having high resolution and good mechanical stability |
| US5675435A (en) * | 1995-03-16 | 1997-10-07 | Kuraray Co., Ltd. | Rear projection image display device |
| US5822053A (en) * | 1995-04-25 | 1998-10-13 | Thrailkill; William | Machine vision light source with improved optical efficiency |
| WO1999053376A2 (en) * | 1998-04-09 | 1999-10-21 | Nashua Corporation | Rear projection screen |
| TW418341B (en) * | 1999-03-01 | 2001-01-11 | Fresnel Optics Inc | An optical element screen |
| JP2003506973A (ja) | 1999-08-10 | 2003-02-18 | ホワイト・ピーター・マクダフィー | 通信システム |
| AU7405800A (en) * | 1999-09-29 | 2001-04-30 | Scan Vision Screen Aps | A translucent screen comprising a lens system |
| US6504649B1 (en) | 2000-01-13 | 2003-01-07 | Kenneth J. Myers | Privacy screens and stereoscopic effects devices utilizing microprism sheets |
| US6330111B1 (en) | 2000-06-13 | 2001-12-11 | Kenneth J. Myers, Edward Greenberg | Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent |
| US6331915B1 (en) | 2000-06-13 | 2001-12-18 | Kenneth J. Myers | Lighting element including light emitting diodes, microprism sheet, reflector, and diffusing agent |
| US6443579B1 (en) | 2001-05-02 | 2002-09-03 | Kenneth Myers | Field-of-view controlling arrangements |
| US6783247B2 (en) * | 2002-03-14 | 2004-08-31 | White Peter Mcduffie | Life-size communications systems with front projection |
| US7057637B2 (en) * | 2004-04-21 | 2006-06-06 | White Peter Mcduffie | Reflected backdrop for communications systems |
| US8208007B2 (en) * | 2004-04-21 | 2012-06-26 | Telepresence Technologies, Llc | 3-D displays and telepresence systems and methods therefore |
| US8599239B2 (en) | 2004-04-21 | 2013-12-03 | Telepresence Technologies, Llc | Telepresence systems and methods therefore |
| US9628754B2 (en) | 2015-04-02 | 2017-04-18 | Telepresence Technologies, Llc | TelePresence architectural systems and methods therefore |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA469403A (en) * | 1950-11-14 | Robin Law Russell | Viewing screens | |
| US3712707A (en) * | 1970-02-27 | 1973-01-23 | Gen Electric | Composite back projection screen and method of forming |
| US3902787A (en) * | 1974-04-17 | 1975-09-02 | Action Films | Rear projection viewing screen |
| US4083626A (en) * | 1975-04-04 | 1978-04-11 | Fuji Photo Film Co., Ltd. | Rear projection screens |
-
1979
- 1979-01-17 JP JP1979004043U patent/JPS5616135U/ja active Pending
-
1980
- 1980-01-07 US US06/110,187 patent/US4309073A/en not_active Expired - Lifetime
- 1980-01-10 DE DE19803000752 patent/DE3000752A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3000752A1 (de) | 1980-07-31 |
| DE3000752C2 (OSRAM) | 1988-02-18 |
| US4309073A (en) | 1982-01-05 |