Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems

Introduced: January 1980

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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G01S 15/003 CPC only CPC only
G01S 15/006 CPC only CPC only
G01S 15/02 using reflection of acoustic waves (G01S15/66 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
G01S 15/66 Sonar tracking systems since 1980 IPC+CPC Available in IPC and CPC
G01S 15/74 Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe since 1980 IPC+CPC Available in IPC and CPC
G01S 15/86 Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection since 2020 IPC+CPC Available in IPC and CPC
G01S 15/87 Combinations of sonar systems since 1980 +3 CPC IPC+CPC Available in IPC and CPC
G01S 15/88 Sonar systems specially adapted for specific applications (seismic or acoustic prospecting or detecting G01V1/00) since 1980 +1 CPC IPC+CPC Available in IPC and CPC