ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G11B0005133000 with cores composed of particles, e.g. with dust cores, with ferrite cores 1
G11B0005147000 with cores being composed of metal sheets, i.e. laminated cores 1
G11B0005153000 with tape-wound cores 1
G11B0005170000 Construction or disposition of windings 1
G11B0005187000 Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features (G11B0005265000, G11B0005310000 take precedence);; 1
G11B0005193000 the pole pieces being ferrite 1
G11B0005210000 the pole pieces being of ferrous sheet metal 1
G11B0005230000 Gap features 1
G11B0005235000 Selection of material for gap filler 1
G11B0005245000 comprising means for controlling the reluctance of the magnetic circuit (G11B0005255000 takes precedence);; 1
G11B0005255000 comprising means for protection against wear 1
G11B0005265000 Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track (G11B0005330000 takes precedence);; 1
G11B0005290000 Structure or manufacture of unitary devices formed of plural heads for more than one track 1
G11B0005310000 using thin film (G11B0005330000 takes precedence);; 1
G11B0005325000 Erasing heads using permanent magnets (general details therefor G11B0005133000-G11B0005255000) 1