G04FLevel 3

TIME-INTERVAL MEASURING

**Definition:** This place covers:

**Limiting references (this place does not cover):** - Measuring pulse characteristics -> G01R , e.g. G01R29/02 - Measuring in radar or like systems -> G01S

GET/api/v1/systems/patent_cpc/nodes/G04F

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G04F 1/00Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers

G04F 10/00Apparatus for measuring unknown time intervals by electric means

G04F 13/00Apparatus for measuring unknown time intervals by means not provided for in groups

G04F 3/00Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork

G04F 5/00Apparatus for producing preselected time intervals for use as timing standards

G04F 7/00Apparatus for measuring unknown time intervals by non-electric means

G04F 8/00Apparatus for measuring unknown time intervals by electromechanical means

Cross-system equivalences0

No cross-system equivalences mapped for this node.

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