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PCE
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CPC Subgroup
H03H 9/30

Time-delay networks

Full Title

Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (electro-acoustic transducers such as loudspeakers, microphones or gramophone pick-ups H04R; piezoelectric, electrostrictive or magnetostrictive devices with mechanical input or output, e.g. actuators or sensors, H10N30/00, H10N35/00) > Time-delay networks

4 direct subcodes

Child Classifications

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  • H03H 9/36 with non-adjustable delay time (H03H9/40, H03H9/42 take precedence)
  • H03H 9/38 with adjustable delay time (H03H9/40, H03H9/42 take precedence)
  • H03H 9/40 Frequency dependent delay lines, e.g. dispersive delay lines (H03H9/42 takes precedence)