JPS5539950A - Superposition writing preventing system in projection type display system - Google Patents
Superposition writing preventing system in projection type display systemInfo
- Publication number
- JPS5539950A JPS5539950A JP11221978A JP11221978A JPS5539950A JP S5539950 A JPS5539950 A JP S5539950A JP 11221978 A JP11221978 A JP 11221978A JP 11221978 A JP11221978 A JP 11221978A JP S5539950 A JPS5539950 A JP S5539950A
- Authority
- JP
- Japan
- Prior art keywords
- display
- case
- areas
- space area
- memorized
- 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
Landscapes
- Digital Computer Display Output (AREA)
Abstract
PURPOSE: To obtain the projection image surface to be easily seen by serching for the space area in the case of the display area being superposed on the other and displaying the first found space area.
CONSTITUTION: The data display is inputted to the display data input portion 1, the position and the pattern of the data are generated in the display pattern generating portion 2, and the displayed area is memorized in the memory portion 3 correspondingly to the bit. In this place, the display image surface is divided into N×M areas and one of the divided areas is made correspond to one bit on the memory 3, in the case of empty, it is memorized at "0", and in the case of the finish of displaying, it is memorized at "1". In the case of superposing the display areas with one another, the space area is sought for and the firstly found space area is used for displaying. Thus, the display areas are not superposed nor displayed and the projection image surface to be easily seen can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11221978A JPS5539950A (en) | 1978-09-14 | 1978-09-14 | Superposition writing preventing system in projection type display system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11221978A JPS5539950A (en) | 1978-09-14 | 1978-09-14 | Superposition writing preventing system in projection type display system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5539950A true JPS5539950A (en) | 1980-03-21 |
Family
ID=14581225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11221978A Pending JPS5539950A (en) | 1978-09-14 | 1978-09-14 | Superposition writing preventing system in projection type display system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5539950A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60130294A (en) * | 1983-12-19 | 1985-07-11 | Matsushita Electric Ind Co Ltd | Sampling method of color television signal |
JPS63108453A (en) * | 1986-10-27 | 1988-05-13 | Canon Inc | Electronic equipment |
JPH01216612A (en) * | 1988-02-24 | 1989-08-30 | Canon Inc | Digital filter |
JPH01216613A (en) * | 1988-02-24 | 1989-08-30 | Canon Inc | Digital filter |
-
1978
- 1978-09-14 JP JP11221978A patent/JPS5539950A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60130294A (en) * | 1983-12-19 | 1985-07-11 | Matsushita Electric Ind Co Ltd | Sampling method of color television signal |
JPH038635B2 (en) * | 1983-12-19 | 1991-02-06 | Matsushita Electric Ind Co Ltd | |
JPS63108453A (en) * | 1986-10-27 | 1988-05-13 | Canon Inc | Electronic equipment |
JPH01216612A (en) * | 1988-02-24 | 1989-08-30 | Canon Inc | Digital filter |
JPH01216613A (en) * | 1988-02-24 | 1989-08-30 | Canon Inc | Digital filter |
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