Document Type and Number:
Japanese Patent JPS5147240
Kind Code:
U
More Like This:
JP2012215749 | PROJECTOR |
JP2011133625 | IMAGE PROJECTION DEVICE AND LIGHT QUANTITY CORRECTION METHOD |
JP2017161664 | REGISTRATION-AMOUNT CALCULATION DEVICE |
Application Number:
JP12107274U
Publication Date:
April 08, 1976
Filing Date:
October 07, 1974
Export Citation:
International Classes:
G03B21/00; (IPC1-7): G03B21/00