Ruggedized illuminating, marking, or signaling device and...
Safety belt
Safety warning lamps for adverse or hazardous atmospheres
Saturation drive arrangements for optically bistable displays
Scanning apparatus for an electrophoretic matrix display panel
Scanning display apparatus
Segmented character generator for use with a television receiver
Self-contained emergency electric signal light and audiblizer
Signal storing and read-out arrangement of video display system
Signaling device
Signalling device
Slow rise time write pulse for gas discharge device
Sound responsive light device
Switch means for radio alarm device
System for controlling a numeral display
System for converting coded data into display data
System for editing characters
System for improving the resolution of alpha-numeric characters
System for processing data signals for insertion in television s
Technique for inverting the state of a plasma or similar display