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PCE
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DIFF Subgroup
G01S 11/02

using radio waves (G01S19/00 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: using radio waves

CPC: using radio waves (G01S19/00 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Systems for determining distance or velocity not using reflection or reradiation > using radio waves

CPC:

Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S5/00) > using radio waves (G01S19/00 takes precedence)

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • G01S 11/023 CPC only CPC only
  • G01S 11/026 CPC only CPC only
  • G01S 11/04 using angle measurements since 1990 IPC+CPC Available in IPC and CPC
  • G01S 11/06 using intensity measurements since 1990 IPC+CPC Available in IPC and CPC
  • G01S 11/08 using synchronised clocks since 1990 IPC+CPC Available in IPC and CPC
  • G01S 11/10 using Doppler effect since 1990 IPC+CPC Available in IPC and CPC