Title:
PROJECTION TYPE PICTURE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JPH0566397
Kind Code:
A
Abstract:
PURPOSE:To prevent a picture from being projected on a ceiling surface or a floor surface even when a screen is arranged at an optional position, that means, to arrange the screen at the optional position. CONSTITUTION:This device is provided with a sheet of liquid crystal panel 31 displaying the picture to be projected on the screen 50, a condensing lens 32 arranging at the just front of the panel 31 and a projection lens 40 enlarging and projecting the light L of a light source transmitted through the lens 32 and the panel 31. Besides, the panel 31 is movable in the top and bottom direction of the picture to the lens 32 and the lens 40.
Inventors:
NAKANISHI HIROYUKI
Application Number:
JP25838791A
Publication Date:
March 19, 1993
Filing Date:
September 09, 1991
Export Citation:
Assignee:
SHARP KK
International Classes:
G02F1/1335; G03B21/00; G03B33/12; (IPC1-7): G02F1/1335; G03B21/00; G03B33/12
Domestic Patent References:
| JPH03151787A | 1991-06-27 | |||
| JPH01251081A | 1989-10-06 |
Attorney, Agent or Firm:
Koji Onishi
Next Patent: LIQUID CRYSTAL DISPLAY DEVICE