JPH0413944U - - Google Patents
Info
- Publication number
- JPH0413944U JPH0413944U JP1990054369U JP5436990U JPH0413944U JP H0413944 U JPH0413944 U JP H0413944U JP 1990054369 U JP1990054369 U JP 1990054369U JP 5436990 U JP5436990 U JP 5436990U JP H0413944 U JPH0413944 U JP H0413944U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- folded down
- projection head
- device body
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
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
- G03B21/10—Projectors with built-in or built-on screen
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
- G02F1/133627—Projection-direct viewing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S353/00—Optics: image projectors
- Y10S353/03—Transparent
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990054369U JP2551854Y2 (ja) | 1990-05-24 | 1990-05-24 | 液晶プロジェクター |
US07/694,687 US5090800A (en) | 1990-05-24 | 1991-05-02 | Projector having a liquid crystal display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990054369U JP2551854Y2 (ja) | 1990-05-24 | 1990-05-24 | 液晶プロジェクター |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0413944U true JPH0413944U (US20100223739A1-20100909-C00005.png) | 1992-02-04 |
JP2551854Y2 JP2551854Y2 (ja) | 1997-10-27 |
Family
ID=12968750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990054369U Expired - Lifetime JP2551854Y2 (ja) | 1990-05-24 | 1990-05-24 | 液晶プロジェクター |
Country Status (2)
Country | Link |
---|---|
US (1) | US5090800A (US20100223739A1-20100909-C00005.png) |
JP (1) | JP2551854Y2 (US20100223739A1-20100909-C00005.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5115025U (US20100223739A1-20100909-C00005.png) * | 1974-07-20 | 1976-02-03 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5828427A (en) * | 1990-06-11 | 1998-10-27 | Reveo, Inc. | Computer-based image display systems having direct and projection modes of viewing |
US5801793A (en) * | 1994-04-21 | 1998-09-01 | Reveo, Inc. | Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation |
US5666175A (en) * | 1990-12-31 | 1997-09-09 | Kopin Corporation | Optical systems for displays |
US5317436A (en) * | 1990-12-31 | 1994-05-31 | Kopin Corporation | A slide assembly for projector with active matrix moveably mounted to housing |
US5376979A (en) * | 1990-12-31 | 1994-12-27 | Kopin Corporation | Slide projector mountable light valve display |
US5396304A (en) * | 1990-12-31 | 1995-03-07 | Kopin Corporation | Slide projector mountable light valve display |
US5475514A (en) * | 1990-12-31 | 1995-12-12 | Kopin Corporation | Transferred single crystal arrayed devices including a light shield for projection displays |
US5743614A (en) * | 1990-12-31 | 1998-04-28 | Kopin Corporation | Housing assembly for a matrix display |
JP2822696B2 (ja) * | 1991-06-27 | 1998-11-11 | 富士写真フイルム株式会社 | ビデオプロジェクタ |
KR960002207B1 (ko) * | 1991-12-30 | 1996-02-13 | 엘지전자주식회사 | 포터블 엘씨디 프로젝터 |
JP3109758B2 (ja) * | 1992-02-19 | 2000-11-20 | 富士写真フイルム株式会社 | 画像入力装置 |
US5467154A (en) * | 1992-02-20 | 1995-11-14 | Kopin Corporation | Projection monitor |
US5692820A (en) * | 1992-02-20 | 1997-12-02 | Kopin Corporation | Projection monitor |
US5231434A (en) * | 1992-03-31 | 1993-07-27 | Minnesota Mining And Manufacturing Company | Overhead projector for LCD panel |
US5289287A (en) * | 1992-10-29 | 1994-02-22 | North American Philips Corporation | Dockable LCD TV projector convertable between front and rear projection |
US5400095A (en) * | 1993-05-11 | 1995-03-21 | Proxima Corporation | Display projection method and apparatus an optical input device therefor |
US5321450A (en) * | 1993-05-11 | 1994-06-14 | Proxima Corporation | Low profile liquid crystal projector and method of using same |
US5365283A (en) * | 1993-07-19 | 1994-11-15 | Texas Instruments Incorporated | Color phase control for projection display using spatial light modulator |
JPH07113997A (ja) * | 1993-10-14 | 1995-05-02 | Gold Star Co Ltd | 液晶プロジェクター内蔵vtr |
US5664859A (en) * | 1994-01-03 | 1997-09-09 | Kopin Corporation | Projection display docking system |
US5442415A (en) * | 1994-08-15 | 1995-08-15 | Industrial Technology Research Institute | Armless transparency projector |
KR0147125B1 (ko) * | 1994-12-24 | 1998-09-15 | 이헌조 | 다기능 프로젝터 |
US5521659A (en) * | 1995-08-04 | 1996-05-28 | Input Technologies Inc. | Rear projection display apparatus |
US5642927A (en) * | 1995-11-22 | 1997-07-01 | Lightware, Inc. | LCD projector with retractable projection lens assembly |
US5820242A (en) * | 1996-03-29 | 1998-10-13 | Minnesota Mining And Manufacturing Company | Compact integrated LCD projector |
US5669688A (en) * | 1996-06-07 | 1997-09-23 | Proxima Corporation | Display panel projector and method of using same |
US5639152A (en) * | 1996-06-11 | 1997-06-17 | Telex Communications, Inc. | Collapsible LCD projector |
CN2275312Y (zh) * | 1996-12-26 | 1998-02-25 | 赵敏晖 | 具投影功能的监视器 |
JP3090480B2 (ja) * | 1997-06-20 | 2000-09-18 | 株式会社日立製作所 | 表示装置及び表示光学系部 |
US6981771B1 (en) * | 1999-07-01 | 2006-01-03 | Sanyo Electric Co., Ltd. | Rear projection display device |
US7281807B2 (en) * | 2003-07-16 | 2007-10-16 | Honeywood Technologies, Llc | Positionable projection display devices |
JP4649107B2 (ja) * | 2003-12-22 | 2011-03-09 | キヤノン株式会社 | 走査型の映像投射装置 |
US7025462B2 (en) * | 2004-05-06 | 2006-04-11 | Hewlett-Packard Development Company, L.P. | Display device for projecting an image alternatively onto a remote surface and a rear projection screen |
US7434938B2 (en) * | 2004-10-21 | 2008-10-14 | Hewlett-Packard Development Company, L.P. | Display device movable for front and rear projection |
US20070091452A1 (en) * | 2005-10-25 | 2007-04-26 | Scott Lerner | Projection system and method |
KR100765765B1 (ko) * | 2005-11-15 | 2007-10-15 | 삼성전자주식회사 | 프로젝터/프로젝션 겸용 디스플레이 장치 |
US7641348B2 (en) * | 2006-01-31 | 2010-01-05 | Hewlett-Packard Development Company, L.P. | Integrated portable computer projector system |
JP2007212576A (ja) * | 2006-02-07 | 2007-08-23 | Shinko Electric Ind Co Ltd | 光学装置 |
IT1391709B1 (it) * | 2008-09-12 | 2012-01-27 | Gardi | Struttura per il supporto di una sorgente lumnosa |
CN103176511A (zh) * | 2011-12-21 | 2013-06-26 | 鸿富锦精密工业(深圳)有限公司 | 电子设备 |
TW201327016A (zh) * | 2011-12-21 | 2013-07-01 | Hon Hai Prec Ind Co Ltd | 電子設備 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6243348U (US20100223739A1-20100909-C00005.png) * | 1985-09-05 | 1987-03-16 | ||
JPH01244438A (ja) * | 1988-03-25 | 1989-09-28 | Fujitsu Ltd | 電子オーバーヘッド・プロジェクタ装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3387535A (en) * | 1966-08-08 | 1968-06-11 | Gen Aniline & Film Corp | Previewing means for projectors |
US3479116A (en) * | 1967-07-14 | 1969-11-18 | Washington Scient Ind Inc | Film viewer |
US3899246A (en) * | 1971-04-12 | 1975-08-12 | Bell & Howell Co | Combined microfiche reader and projector |
JPS5331724B2 (US20100223739A1-20100909-C00005.png) * | 1973-04-19 | 1978-09-04 | ||
US4030821A (en) * | 1976-01-09 | 1977-06-21 | Bell & Howell Company | Rear screen projector with remote projection capability |
US4140377A (en) * | 1977-07-28 | 1979-02-20 | Hoadley Howard W | Dental X-ray film viewer |
US4163610A (en) * | 1978-11-16 | 1979-08-07 | The Singer Company | Rear/remote-screen projector |
-
1990
- 1990-05-24 JP JP1990054369U patent/JP2551854Y2/ja not_active Expired - Lifetime
-
1991
- 1991-05-02 US US07/694,687 patent/US5090800A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6243348U (US20100223739A1-20100909-C00005.png) * | 1985-09-05 | 1987-03-16 | ||
JPH01244438A (ja) * | 1988-03-25 | 1989-09-28 | Fujitsu Ltd | 電子オーバーヘッド・プロジェクタ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5115025U (US20100223739A1-20100909-C00005.png) * | 1974-07-20 | 1976-02-03 |
Also Published As
Publication number | Publication date |
---|---|
US5090800A (en) | 1992-02-25 |
JP2551854Y2 (ja) | 1997-10-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |