DIFF Subgroup
H01F 19/02 Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Fixed transformers or mutual inductances of the signal type > Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
CPC:
Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence) > Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
No child classifications to compare. This is a leaf node in both IPC and CPC.