ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11B0019247000 using electrical means 1
G11B0019253000 using mechanical means 1
G11B0019260000 Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor 1
G11B0019265000 Friction wheel drive 1
G11B0019270000 Belt drive 1
G11B0019275000 Gear wheel drive 1
G11B0019280000 Speed controlling, regulating or indicating (G11B0019240000takes precedence);; 1
G11B0020000000 Signal processing not specific to the method of recording or reproducing; Circuits therefor 1
G11B0020020000 Analogue recording or reproducing 1
G11B0020040000 Direct recording or reproducing 1
G11B0020060000 Angle-modulation recording or reproducing 1
G11B0020080000 Pulse-modulation recording or reproducing (pulse-code-modulation recording G11B0020100000) 1
G11B0020100000 Digital recording or reproducing 1
G11B0020120000 Formatting, e.g. arrangement of data block or words on the record carriers 1
G11B0020140000 using self-clocking codes 1