CPC Subgroup
H04R 19/06 Gramophone pick-ups using a stylus; Recorders using a stylus (H04R19/01 takes precedence)
Full Title
Electrostatic transducers > Gramophone pick-ups using a stylus; Recorders using a stylus (H04R19/01 takes precedence)
2 direct subcodes
Child Classifications
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- H04R 19/08 comprising two or more styli or transducers (H04R19/10 takes precedence)
- H04R 19/10 signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously