DIFF Subgroup
G04B 17/04 Oscillators acting by spring tension
Introduced: September 1968
Full Title
Mechanisms for stabilising frequency > Oscillators acting by spring tension
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G04B 17/08 Oscillators with coil springs stretched and unstretched axially IPC+CPC Available in IPC and CPC
- G04B 17/10 Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane IPC+CPC Available in IPC and CPC