Title:
DISPLAY SCREEN
Document Type and Number:
Japanese Patent JP3242764
Kind Code:
B2
Abstract:
PURPOSE: To provide a display screen capable of improving the image quality of a display picture on the screen in a large-screen display and image pickup device used for a video telephone or a video conference system.
CONSTITUTION: By respectively using one or plural minute screens 6 minutely divided and minute mirrors 5, a screen area and a reflection area are formed. Then, the screen area and the reflection area are alternately arranged to constitute the display screen 3. In the case of using the display screen 3 in the display and image pickup device, the lines of sight are aligned by picking up a reflected image from the reflection area. By integrating the screen 6' with the mirror 5', moire is prevented from occurring because both of them can not be brought into contact with each other, and the image quality of a display picture on the screen is improved.
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Inventors:
Masato Kuriki
Nazujo Uehira
Tadaaki Masumori
Takahiro Muraki
Nazujo Uehira
Tadaaki Masumori
Takahiro Muraki
Application Number:
JP21712593A
Publication Date:
December 25, 2001
Filing Date:
September 01, 1993
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02B5/00; G02B5/08; G03B21/62; G03B21/625; H04N5/74; H04N7/14; H04N7/15; (IPC1-7): G03B21/62; G02B5/00; G02B5/08; H04N5/74; H04N7/15
Domestic Patent References:
| JP568246A | ||||
| JP3283889A | ||||
| JP63240283A | ||||
| JP5168005A | ||||
| JP371342U | ||||
| JP255202U |
Attorney, Agent or Firm:
Fujiya Shiga
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