发明申请
US20050145469A1 Operating button device for elevator 失效
电梯操作按钮装置

Operating button device for elevator
摘要:
An operating button device, includes a button top to be operated by a person, and a light emitting element, provided at the rear side of the button top. The button top includes a basement and a tactile symbol provided in the basement, the basement is made of a non-light transmissible synthetic resin material and the tactile symbol is made of a light transmissible synthetic resin material. A ridge tactile character representing the character corresponding to the tactile symbol is formed integrally on the tactile symbol.
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