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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
H03J0007100000 Modification of automatic frequency control sensitivity or linearising automatic frequency control operation 1
H03J0007120000 Combination of automatic frequency control voltage with stabilised varactor supply voltage 1
H03J0007140000 Controlling the magnetic state of inductor cores (H03J0007060000 takes precedence);; 1
H03J0007160000 where the frequency control is accomplished by mechanical means, e.g. by a motor 1
H03J0007180000 Automatic scanning over a band of frequencies 1
H03J0007200000 where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element 1
H03J0007220000 in which an automatic frequency control circuit is brought into action after the scanning action has been stopped (H03J0007240000 takes precedence);; 1
H03J0007240000 using varactors, i.e. voltage variable reactive diodes (H03J0007280000 takes precedence);; 1
H03J0007260000 in which an automatic frequency control circuit is brought into action after the scanning action has been stopped 1
H03J0007280000 using counters or frequency dividers 1
H03J0007300000 where the scanning is accomplished by mechanical means, e.g. by a motor 1
H03J0007320000 with simultaneous display of received frequencies, e.g. panoramic receivers 1
H03J0009000000 Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification (mechanical remote-control arrangements H03J0001000000) 1
H03J0009020000 using radio transmission; using near-field transmission 1
H03J0009040000 using ultrasonic, sonic or infrasonic waves 1
จำนวนรหัสข้อมูล 15 จาก 73902