ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H04H0020710000 Wireless systems 1
H04H0020720000 of terrestrial networks 1
H04H0020740000 of satellite networks 1
H04H0020760000 Wired systems 1
H04H0020770000 using carrier waves 1
H04H0020780000 CATV [Community Antenna Television] systems 1
H04H0020790000 using downlink of the CATV systems, e.g. audio broadcast via CATV network 1
H04H0020800000 having frequencies in two or more frequency bands, e.g. medium wave and VHF 1
H04H0020810000 combined with telephone network over which the broadcast is continuously available 1
H04H0020820000 using signals not modulated onto a carrier 1
H04H0020830000 not sharing the network with any other service 1
H04H0020840000 combined with power distribution network 1
H04H0020860000 Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format 1
H04H0020880000 Stereophonic broadcast systems 1
H04H0020890000 using three or more audio channels, e.g. triphonic or quadraphonic 1