Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J1/00 )

Introduced: January 1980

Title

Titles differ between systems:

IPC: Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification

CPC: Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J1/00 )

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

CPC:

Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J1/00 )

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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H03J 9/002 CPC only CPC only
H03J 9/005 CPC only CPC only
H03J 9/007 CPC only CPC only
H03J 9/02 using radio transmission; using near-field transmission since 1980 IPC+CPC Available in IPC and CPC
H03J 9/04 using ultrasonic, sonic or infrasonic waves since 1980 IPC+CPC Available in IPC and CPC
H03J 9/06 using electromagnetic waves other than radio waves, e.g. light since 1980 IPC+CPC Available in IPC and CPC