DIFF Subgroup
H01R 13/648 Protective earth or shield arrangements on coupling devices (coaxially arranged shields H01R24/38)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Protective earth or shield arrangements on coupling devices
CPC: Protective earth or shield arrangements on coupling devices (coaxially arranged shields H01R24/38)
Full Title
Full titles differ between systems:
IPC:
Details of coupling devices of the kinds covered by groups or > Protective earth or shield arrangements on coupling devices
CPC:
Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 > Protective earth or shield arrangements on coupling devices (coaxially arranged shields H01R24/38)
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- H01R 13/658 High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] since 1980 IPC+CPC Available in IPC and CPC