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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
H03B0005140000 the frequency-determining element being connected ; via a bridge circuit to a closed loop in which the signal is transmitted 1
H03B0005160000 active element in amplifier being vacuum tube 1
H03B0005180000 with frequency-determining element comprising distributed inductance and capacitance 1
H03B0005200000 with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator 1
H03B0005220000 active element in amplifier being vacuum tube (H03B0005260000 takes precedence);; 1
H03B0005240000 active element in amplifier being semiconductor device (H03B0005260000 takes precedence);; 1
H03B0005260000 the frequency-determining element being part of a bridge circuit in a closed loop in which the signal is transmitted; the frequency-determining element being connected ; via a bridge circuit to such a closed loop, e.g. Wien-Bridge oscillator, parallel-T oscillator 1
H03B0005280000 active element in amplifier being vacuum tube 1
H03B0005300000 with frequency-determining element being electromechanical resonator 1
H03B0005320000 being a piezo-electric resonator 1
H03B0005340000 active element in amplifier being vacuum tube (H03B0005380000 takes precedence);; 1
H03B0005360000 active element in amplifier being semiconductor device (H03B0005380000 takes precedence);; 1
H03B0005380000 the frequency-determining element being connected ; via a bridge circuit to a closed loop in which the signal is transmitted 1
H03B0005400000 being a magnetostrictive resonator (H03B0005420000 takes precedence);; 1
H03B0005420000 the frequency-determining element being connected ; via a bridge circuit to a closed loop in which the signal is transmitted 1
จำนวนรหัสข้อมูล 15 จาก 73902