Variable capacitor with very fine resolution
Variable color-output strobe for photographic apparatus
Variable inductance ballast apparatus for HID lamp
Variable proportional fill flash
Variable reactance inductor with adjustable ranges
Variable-energy drift-tube linear accelerator
Vertically stabilized elongated cross-section tokamak
Visual notification methods for candy-bar type cellphones
Voltage controlled light source and image presentation...
Voltage detection circuits for a-c power supplies
Voltage regulation in linear induction accelerators