CPC Main Group
H03K 21/00 Details of pulse counters or frequency dividers
6 direct subcodes
Child Classifications
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- H03K 21/02 Input circuits
- H03K 21/08 Output circuits
- H03K 21/16 Circuits for carrying over pulses between successive decades
- H03K 21/18 Circuits for visual indication of the result
- H03K 21/38 Starting, stopping or resetting the counter (counters with a base other than a power of two H03K23/48, H03K23/66)
- H03K 21/40 Monitoring; Error detection; Preventing or correcting improper counter operation