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PCE
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DIFF Subgroup
H04L 27/32

Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

Introduced: January 1990

Title

Titles differ between systems:

IPC: Carrier systems characterised by combinations of two or more of the types covered by groups , , , or

CPC: Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

Full Title

Full titles differ between systems:

IPC:

Modulated-carrier systems > Carrier systems characterised by combinations of two or more of the types covered by groups , , , or

CPC:

Modulated-carrier systems > Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1990.

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