JPS6447180A - Method and device for enlarging and projecting image - Google Patents
Method and device for enlarging and projecting imageInfo
- Publication number
- JPS6447180A JPS6447180A JP20354387A JP20354387A JPS6447180A JP S6447180 A JPS6447180 A JP S6447180A JP 20354387 A JP20354387 A JP 20354387A JP 20354387 A JP20354387 A JP 20354387A JP S6447180 A JPS6447180 A JP S6447180A
- Authority
- JP
- Japan
- Prior art keywords
- screen
- image
- light source
- enlarged
- mirror
- 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.)
- Pending
Links
Abstract
PURPOSE:To consecutively form the fine image of high resolution on a screen by oscillating an optical axis to pass through an original picture within the after-image forming time range of vision to the screen. CONSTITUTION:Between a white light source 2 and a screen 3, a liquid crystal panel 5 is provided as an original picture device electrically connected to an electronic driving device 4 from the light source 2 to the screen 3 side. A light is transmitted from the light source 2 to respective picture elements arranged in a prescribed way and the image of the respective picture elements is enlarged by a projecting lens 6. Then, the enlarged image is projected through a fixed reflecting mirror 7 and a variable mirror 8 to be oscillated in a prescribe cycle on the screen 3. The speed of the change in the lapse of time for the oscillation of the optical axis by the mirror 8 is obtained as the speed within the after-image forming range of the vision. Thus, the resolution of the enlarged image on the screen 3 is improved by consecutively connecting a number of images with being mutually adjoined and the fine and bright image of high accuracy can be formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20354387A JPS6447180A (en) | 1987-08-18 | 1987-08-18 | Method and device for enlarging and projecting image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20354387A JPS6447180A (en) | 1987-08-18 | 1987-08-18 | Method and device for enlarging and projecting image |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447180A true JPS6447180A (en) | 1989-02-21 |
Family
ID=16475882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20354387A Pending JPS6447180A (en) | 1987-08-18 | 1987-08-18 | Method and device for enlarging and projecting image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447180A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260798A (en) * | 1989-11-01 | 1993-11-09 | Aura Systems, Inc. | Pixel intensity modulator |
US5402184A (en) * | 1993-03-02 | 1995-03-28 | North American Philips Corporation | Projection system having image oscillation |
US6906852B1 (en) | 2003-12-31 | 2005-06-14 | Texas Instruments Incorporated | Wavelength discriminated image dithering |
US7086736B2 (en) | 2004-01-20 | 2006-08-08 | Hewlett-Packard Development Company, L.P. | Display system with sequential color and wobble device |
-
1987
- 1987-08-18 JP JP20354387A patent/JPS6447180A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260798A (en) * | 1989-11-01 | 1993-11-09 | Aura Systems, Inc. | Pixel intensity modulator |
US5402184A (en) * | 1993-03-02 | 1995-03-28 | North American Philips Corporation | Projection system having image oscillation |
US6906852B1 (en) | 2003-12-31 | 2005-06-14 | Texas Instruments Incorporated | Wavelength discriminated image dithering |
US7086736B2 (en) | 2004-01-20 | 2006-08-08 | Hewlett-Packard Development Company, L.P. | Display system with sequential color and wobble device |
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