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

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Transducers of moving-armature or moving-core type > Gramophone pick-ups using a stylus; Recorders using a stylus

CPC:

Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00) > Gramophone pick-ups using a stylus; Recorders using a stylus

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 11/10 comprising two or more styli or transducers (H04R11/12 takes precedence) IPC+CPC Available in IPC and CPC
H04R 11/12 signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously IPC+CPC Available in IPC and CPC