Ultrasonic touch control panel

Ultrasonic-wave delay element

Ultrathin multimode quartz crystal filter element

Unbalance-to-balance converter utilizing a transistor

Unbalanced saw filter

Unbalanced to balanced signal line coupling device

Unbalanced-to-balanced converter

Undesired signal canceller

Unidirectional phase shifter

Unidirectional surface acoustic wave device

Unidirectional surface acoustic wave filter

Unidirectional surface acoustic wave transducer and transversal-

Unidirectional transducer and saw filter comprising the same

Uniplanar microstrip to slotline transition

Unit carrying surface acoustic wave devices

Unitary packaging system for a capacitor and inductor

Universal equalizer

Universal millimeter-wave housing with flexible end launchers

Universal noise controller

Universal transistor characteristic matching apparatus