Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01S 1/04

Details

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith > using radio waves > Details

CPC:

Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (position fixing by co-ordinating a plurality of determinations of direction or position lines G01S5/00) > using radio waves (G01S19/00 takes precedence) > Details

CPC subdivides this area 4x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

  • G01S 1/045 CPC only CPC only
  • G01S 1/047 CPC only CPC only
  • G01S 1/06 Means for providing multiple indication, e.g. coarse and fine indications IPC+CPC Available in IPC and CPC