| 摘要 |
PURPOSE: A mobile communication relay screwing automatic check solution is provided to help an operator in easily checking whether a screw is fastened or not with the naked eye when assembling a module of a mobile communication relay. CONSTITUTION: A light emitting diode (LED) (301), resistance, and a rolled switch (302) help an operator in easily checking a screw with the naked eye which does not fastened by a mistake of the operator in the assembly of a mobile communication relay. The rolled switch corresponding to the position of each fastening screw (303) is arranged. The fastened LED is turned on if the operator puts an automatic test board on a product to be tested and presses it. The LED of the position of an unfastened screw is turned off. The operator easily rapidly checks whether the fastening screw is fastened or not with the naked eye. |
