ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03K0021000000 Details of pulse counters or frequency dividers 1
H03K0021020000 Input circuits 1
H03K0021080000 Output circuits 1
H03K0021100000 comprising logic circuits 1
H03K0021120000 with parallel read-out 1
H03K0021140000 with series read-out of number stored 1
H03K0021160000 Circuits for carrying-over pulses between successive decades 1
H03K0021170000 with field-effect transistors 1
H03K0021180000 Circuits for visual indication of the result 1
H03K0021200000 using glow-discharge lamps 1
H03K0021380000 Starting, stopping, or resetting the counter (counters with a base other than a power of two H03K0023480000, H03K0023660000) 1
H03K0021400000 Monitoring; Error detection; Preventing or correcting improper counter operation 1
H03K0023000000 Pulse counters comprising counting chains; Frequency dividers comprising counting chains (H03K0029000000 takes precedence);; 1
H03K0023400000 Gating or clocking signals applied to all stages, i.e. synchronous counters 1
H03K0023420000 Out-of-phase gating or clocking signals applied to counter stages 1