| 摘要 |
PURPOSE: A portable counter is provided to enable elders or disabled people to easily calculate the number of pages or notes by using a housing unit and an operating unit having an insertion unit inserted into a finger or a pen. CONSTITUTION: A switching unit supported by a spring is placed in a head unit of a housing unit. A cap shaped base unit(41) is placed on the bottom of the switching unit. A counter body unit(51) is installed in a bottom space of the base unit. The counter body unit performs counter and reset functions by an entrance/exit operation of a vertical protruding unit on the head unit. An operating unit performs counter and reset operations by an operating rod of the switching unit. |
