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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B06B 1/06

operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per se H10N30/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: operating with piezoelectric effect or with electrostriction

CPC: operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per se H10N30/00)

Full Title

Full titles differ between systems:

IPC:

Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency > making use of electrical energy > operating with piezoelectric effect or with electrostriction

CPC:

Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency > making use of electrical energy (B06B1/18, B06B1/20 take precedence) > operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per se H10N30/00)

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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