CPC Main Group
G04F 10/00 Apparatus for measuring unknown time intervals by electric means
5 direct subcodes
Child Classifications
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- G04F 10/02 using oscillators with passive electric resonator, e.g. lumped LC
- G04F 10/04 by counting pulses or half-cycles of an AC
- G04F 10/06 by measuring phase
- G04F 10/10 by measuring electric or magnetic quantities changing in proportion to time