ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
H04B0010640000 Heterodyne 1
H04B0010660000 Non-coherent receivers, e.g. using direct detection 1
H04B0010670000 Optical arrangements in the receiver 1
H04B0010690000 Electrical arrangements in the receiver 1
H04B0010700000 Photonic quantum communication 1
H04B0010800000 Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups ; H04B0010030000-H04B0010700000, e.g. optical power feeding or optical transmission through water 1
H04B0010850000 Protection from unauthorised access, e.g. eavesdrop protection 1
H04B0010900000 Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation 1
H04B0011000000 Transmission systems employing ultrasonic, sonic or infrasonic waves 1
H04B0013000000 Transmission systems characterised by the medium used for transmission, not provided for in groups ; H04B0003000000-H04B0011000000 1
H04B0013020000 Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy 1
H04B0014000000 Transmission systems not characterised by the medium used for transmission (details thereof H04B0001000000) 1
H04B0014020000 characterised by the use of pulse modulation (in radio transmission relays H04B0007170000) 1
H04B0014040000 using pulse code modulation 1
H04B0014060000 using differential modulation, e.g. delta modulation 1
จำนวนรหัสข้อมูล 15 จาก 73902