Air flow sensor

Apparatus and method for automatic operation of a high pressure

Backlight control circuit having frequency setting circuit...

Backlight control circuit having frequency setting circuit...

Blue incandescent general purpose lamp

Combination lamp

Compact fluorescent lamp unit having segregated air-cooling mean

Control mechanism for regulating the temperature and output of a

Controller for suppressing temperature of screen

Data conversion apparatus and image recording apparatus

Dimmer pack

Discharge lamps and methods for making discharge lamps

Display apparatus for a drum

Display cold spot temperature regulator

Display cold spot temperature regulator

Distributed parallel semiconductor device spaced for...

Efficient DC operated fluorescent lamps

Electrical discharge tube, illumination apparatus for...

Electrodeless lamp system with controllable spectral output

Electrodeless lighting system