DIFF Subgroup
H04R 11/10 comprising two or more styli or transducers (H04R11/12 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: comprising two or more styli or transducers
CPC: comprising two or more styli or transducers (H04R11/12 takes precedence)
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 > comprising two or more styli or transducers
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 > comprising two or more styli or transducers (H04R11/12 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.