DIFF Subgroup
H03J 9/06 using electromagnetic waves other than radio waves, e.g. light
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification > using electromagnetic waves other than radio waves, e.g. light
CPC:
Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J1/00 ) > using electromagnetic waves other than radio waves, e.g. light
No child classifications to compare. This is a leaf node in both IPC and CPC.