Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03H
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
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9/00
Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
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H03H9/125
Driving means, e.g. electrodes, coils
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H03H9/145
for networks using surface acoustic waves
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H03H9/14544
Transducers of particular shape or position
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H03H9/14576
Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
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H03H9/14582
the last fingers having a different pitch
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