Variable chirp optical modulator using single modulation source

Variable color comparison oscilloscope

Variable color digital multimeter

Variable color digital multimeter

Variable color display device

Variable colour analog timepiece

Variable colour digital tachometer

Variable colour digital voltmeter

Variable control of electroosmotic and/or electrophoretic...

Variable coupler fiberoptic sensor

Variable coupler fiberoptic sensor and sensing apparatus...

Variable current pressure transducer system

Variable displacement meter roller

Variable erection mechanism

Variable field of view heat scanner

Variable flow cell for a scintillation instrument

Variable focus ultrasonic non-destructive testing search unit

Variable frequency charge pump in capacitive level sensor

Variable frequency induction well logging method and apparatus

Variable frequency oscillator