| 摘要 |
PROBLEM TO BE SOLVED: To automatically open and close a shutter by adding a timer part, and buttons which switch a timer and a manual operation to opening and closing and power supplying switches provided on an electric shutter for a house. SOLUTION: A timer 2 for setting an opening and closing time respectively is installed on an operating panel 1. Moreover, a button 3 for switching a manual operation and the timer, a button 4 for switching an on and an off at the time of the manual operation, and a button 5 for the on and the off of power supply at the time of the manual operation are installed and the whole is set up in an inner wall 6 of a house. The operation can be selected by the button 3 for switching the manual operation and the timer, and automatically performed by the timer even when an absence is done to become safe on crime prevention. Moreover since one timer switch of one shutter is installed independently, a conveniently opening and closing time can be set to a plurality of shutters and installation is also easy.
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