Projection display device with negative feedback loop to correct
Projection display system
Projection television apparatus
Projection television apparatus
Projection television apparatus for reducing red-emphasized peri
Projection television display device
Projection television display tube and device having band pass i
Projection television receiver having dichroic mirrors and a pro
Projection television receiver with unitary optics frame
Projection television set
Projection television set up method and apparatus
Projection television system
Projection television system employing optics through which tran
Projection type color television system
Projection type color television system
Projection type color television with a single cathode ray tube
Projection type green cathode ray tube, method for manufacturing
Projection type stereoscopic image display system
Projection type television apparatus
Projection-type color television receiver wherein the center lin