Excitation method of laser cathode-ray tube
High pressure discharge lamp mounting structure
High pressure discharge lamp utilizing an unsaturated type disch
High voltage movie light and incandescent lamp unit for use ther
Image display apparatus with integrally rear plate and...
Index-type color cathode ray tube
Lamp with two internal capsules
Laterally spaced multiple electron gun color cathode ray...
Laterally spaced multiple electron gun color cathode ray...
Light source device to be utilized mainly for projection purpose
Movie light, low voltage incandescent lamp unit for use therewit
Multi-display apparatus and method of manufacturing the same
Multi-filament fluorescent lamp construction
Multi-panel electroluminescent light assembly
Packing device for CRT funnel
Picture element lamp assembly for information display system
Plasma image display device
Plural unit monitor
Shadow mask for a mutltiple element cathode ray tube
Spark gap devices