ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H04R0009160000 signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously 1
H04R0009180000 Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency 1
H04R0011000000 Transducers of moving-armature or moving-core type 1
H04R0011020000 Loudspeakers 1
H04R0011040000 Microphones 1
H04R0011060000 Telephone receivers 1
H04R0011080000 Gramophone pick-ups using a stylus; Recorders using a stylus 1
H04R0011100000 comprising two or more styli or transducers (H04R0011120000 takes precedence);; 1
H04R0011120000 signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously 1
H04R0011140000 Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency 1
H04R0013000000 Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet 1
H04R0013020000 Telephone receivers 1
H04R0015000000 Magnetostrictive transducers 1
H04R0015020000 Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency 1
H04R0017000000 Piezo-electric transducers; Electrostrictive transducers 1