ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G04F0007060000 running only during the time interval to be measured, e.g. stop-watch 1
G04F0007080000 Watches or clocks with stop devices, e.g. chronograph 1
G04F0007100000 Means used apart from the time-piece for starting or stopping same 1
G04F0008000000 Apparatus for measuring unknown time intervals by electromechanical means 1
G04F0008020000 using an electromechanical oscillator 1
G04F0008040000 using a piezo-electric oscillator 1
G04F0008060000 using a magnetostrictive oscillator 1
G04F0008080000 Means used apart from the time-piece for starting or stopping same 1
G04F0010000000 Apparatus for measuring unknown time intervals by electric means 1
G04F0010020000 using oscillators with passive electric resonator, e.g. lumped LC 1
G04F0010040000 by counting pulses or half-cycles of an ac 1
G04F0010060000 by measuring phase 1
G04F0010080000 using pulses produced by radio-isotopes 1
G04F0010100000 by measuring electric or magnetic quantities changing in proportion to time 1
G04F0013000000 Apparatus for measuring unknown time intervals by means not provided for in groups ; G04F0005000000-G04F0010000000 1