ENTRANCE LAMP SYSTEM FOR TWO HOUSEHOLD RESIDENTIAL HOUSE
PURPOSE:To enable an entrance lamp to be turned on or lowered in brightness remotely from a first household or a second household. CONSTITUTION:A first three way switch 12 is disposed at a first household where the switch includes a common contact 121 connected to one output terminal of a power supp...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To enable an entrance lamp to be turned on or lowered in brightness remotely from a first household or a second household. CONSTITUTION:A first three way switch 12 is disposed at a first household where the switch includes a common contact 121 connected to one output terminal of a power supply and a switch-over contacts 12, and 122 through an entrance lamp. And a four way switch 14 is disposed at an entrance common to a first and a second household where the four way switch includes a first and a second common contact 1201 and 1202 connected to the first and second switch-over contacts 121 and 122 of the first three way switch 12 respectively and a first and a second switch-over contact 141 and 142. Furthermore a second three way switch 13 is disposed at a second household where the switch includes a common contact 130 and a first and a second switch-over contact 131 and 132 connected to the first and second switch-over contacts 141 and 142 of the four way switch 14 respectively. By this constitution, an entrance lamp can be turned on or lowered in brightness remotely from the first and second households. |
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