JPS5698088A - Invisible television - Google Patents
Invisible televisionInfo
- Publication number
- JPS5698088A JPS5698088A JP42780A JP42780A JPS5698088A JP S5698088 A JPS5698088 A JP S5698088A JP 42780 A JP42780 A JP 42780A JP 42780 A JP42780 A JP 42780A JP S5698088 A JPS5698088 A JP S5698088A
- Authority
- JP
- Japan
- Prior art keywords
- image
- screen
- colors
- deflecting
- crt10
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
PURPOSE:To secure an optional extraction of an image picked up the outside when wearing the deflecting glasses, by distributing the horizontal scanning lines plus the vertical and horizontal deflecting plates of the same number as the scanning lines in front of a screen and then displaying a normal image and the image obtained by giving a phase inversion to the three colors in overlap on the screen. CONSTITUTION:The screen 4 is provided to the outer box 3 of a picture receiver to which a normal TV camera is connected, and a number of vertical deflecting plate 5 are stuck in an odd-number line in front of the screen along with a number of horizontal plates 6 stuck in an even-number line. In this casem the number of the plates 5 and 6 are selected to the same number of the horizontal scanning lines. In addition, the color CRT10 connected to the electronic circuit container 12, the lens 9 attached to the fixed plate 8 and the reflector 7 are provided in the box 3. Then the circuit which applies the three primary colors as they are form the container 12 plus the circuit which applies the same three colors through the phase inverting circuit are provided to the CRT10. These colors are then compounded on the CRT10 and then formed into an overlapped image on the screen 4. Such image cannot usually been seen with the naked eyes. Then the image of the TV camera can be seen with the deflecting glasses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP42780A JPS5698088A (en) | 1980-01-07 | 1980-01-07 | Invisible television |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP42780A JPS5698088A (en) | 1980-01-07 | 1980-01-07 | Invisible television |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5698088A true JPS5698088A (en) | 1981-08-07 |
Family
ID=11473505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP42780A Pending JPS5698088A (en) | 1980-01-07 | 1980-01-07 | Invisible television |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5698088A (en) |
-
1980
- 1980-01-07 JP JP42780A patent/JPS5698088A/en active Pending
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