ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11B0027110000 by using information not detectable on the record carrier 1
G11B0027130000 the information being derived from movement of the record carrier, e.g. using tachometer 1
G11B0027150000 using mechanical sensing means 1
G11B0027170000 using electrical sensing means 1
G11B0027190000 by using information detectable on the record carrier 1
G11B0027220000 Means responsive to presence or absence of recorded information signals 1
G11B0027240000 by sensing features on the record carrier other than the transducing track 1
G11B0027260000 by photoelectric detection, e.g. of sprocket holes 1
G11B0027280000 by using information signals recorded by the same method as the main recording 1
G11B0027300000 on the same track as the main recording 1
G11B0027320000 on separate auxiliary tracks of the same or an auxiliary record carrier 1
G11B0027340000 Indicating arrangements 1
G11B0027360000 Monitoring, i.e. supervising the progress of recording or reproducing 1
G11B0031000000 Arrangements for the associated working of recording or reproducing apparatus with related apparatus (with cameras or projectors G03B0031000000) 1
G11B0031020000 with automatic musical instruments 1