DIFF Main Group
H01H 35/00 Switches operated by change of a physical condition (operated by change of magnetic or electric field H01H36/00; thermally-actuated switches H01H37/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Switches operated by change of a physical condition
CPC: Switches operated by change of a physical condition (operated by change of magnetic or electric field H01H36/00; thermally-actuated switches H01H37/00)
Full Title
Full titles differ between systems:
IPC:
Switches operated by change of a physical condition
CPC:
Switches operated by change of a physical condition (operated by change of magnetic or electric field H01H36/00; thermally-actuated switches H01H37/00)
Of 8 combined children, 6 exist in both systems.
2 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H01H 35/02 Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field (tilting mercury container H01H29/20; change of position due to change of liquid level H01H35/18) +3 CPC IPC+CPC Available in IPC and CPC
- H01H 35/06 Switches operated by change of speed (operated by change of fluid flow H01H35/24) IPC+CPC Available in IPC and CPC
- H01H 35/14 Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch +6 CPC IPC+CPC Available in IPC and CPC
- H01H 35/18 Switches operated by change of liquid level or of liquid density, e.g. float switch (by magnet carried on a float H01H36/02) +2 CPC IPC+CPC Available in IPC and CPC
- H01H 35/24 Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow (wherein the change of pressure is caused by change of temperature H01H37/36) +3 CPC IPC+CPC Available in IPC and CPC