Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H04R 9/12

Gramophone pick-ups using a stylus; Recorders using a stylus

Full Title

Transducers of moving-coil, moving-strip, or moving-wire type > Gramophone pick-ups using a stylus; Recorders using a stylus

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H04R 9/14 comprising two or more styli or transducers (H04R9/16 takes precedence)
  • H04R 9/16 signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously