DIFF Subgroup
H04R 19/06 Gramophone pick-ups using a stylus; Recorders using a stylus (H04R19/01 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Gramophone pick-ups using a stylus; Recorders using a stylus
CPC: Gramophone pick-ups using a stylus; Recorders using a stylus (H04R19/01 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Electrostatic transducers > Gramophone pick-ups using a stylus; Recorders using a stylus
CPC:
Electrostatic transducers > Gramophone pick-ups using a stylus; Recorders using a stylus (H04R19/01 takes precedence)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H04R 19/08 comprising two or more styli or transducers (H04R19/10 takes precedence) IPC+CPC Available in IPC and CPC
- H04R 19/10 signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously IPC+CPC Available in IPC and CPC