LandOfFree - US Patents - Listing for Electrical generator or motor structure,Non-dynamoelectric,Piezoelectric elements and devices

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Assembly having a component enclosed by a housing, and...

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Assembly having variable capacitance

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Assembly of a microswitch and of an acoustic resonator

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

At cut quartz crystal resonator element and method for...

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

AT cut quartz crystal resonator element and method for...

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

At-cut crystal oscillating reed and method of etching the same

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

At-cut crystal resonator

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

AT-Cut quartz resonator, with w/t=2.0 to 2.8, l/t<25

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Attenuating means for electroacoustic transducer

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Audible signal generating apparatus having selectively controlle

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Augmenting surface electrode for piezoelectric workpiece

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Autoresonant piezoelectric transformer signal coupler