ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G04R0020080000 the radio signal being broadcast from a long-wave call sign, e.g. DCF77, JJY40, JJY60, MSF60 or WWVB 1
G04R0020100000 Tuning or receiving; Circuits therefor 1
G04R0020120000 Decoding time data; Circuits therefor 1
G04R0020140000 the radio signal being a telecommunication standard signal, e.g. GSM, UMTS or 3G 1
G04R0020160000 Tuning or receiving; Circuits therefor 1
G04R0020180000 Decoding time data; Circuits therefor 1
G04R0020200000 the radio signal being an AM/FM standard signal, e.g. RDS 1
G04R0020220000 Tuning or receiving; Circuits therefor 1
G04R0020240000 Decoding time data; Circuits therefor 1
G04R0020260000 the radio signal being a near-field communication signal 1
G04R0020280000 Tuning or receiving; Circuits therefor 1
G04R0020300000 Decoding time data; Circuits therefor 1
G04R0040000000 Correcting the clock frequency 1
G04R0040020000 by phase locking 1
G04R0040040000 by detecting the radio signal frequency 1