CONTACTLESS SENSOR TYPE SWITCH CIRCUIT
PROBLEM TO BE SOLVED: To provide a contactless sensor type switch circuit which uses a contactless sensor, can be formed of two-line type circuit constitution, is highly interchangeable with a mechanical switch and enables the electric power consumption of the contactless sensor to be supplied from...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a contactless sensor type switch circuit which uses a contactless sensor, can be formed of two-line type circuit constitution, is highly interchangeable with a mechanical switch and enables the electric power consumption of the contactless sensor to be supplied from a charged capacitor in addition to a power supply means thereby having high electric energy efficiency. SOLUTION: The contactless sensor type switch circuit is constituted in such a manner that a switching means 1 turned on and off by the control of the contactless sensor 2 detecting a circumferential state in a contactless manner and the power supply means are connected in series, a series-connected changeover means 3 and a capacitor 4 are connected to the switching means 1 in parallel, and the contactless sensor 2 is connected to the capacitor 4 in parallel, and that when the switching means 1 is open, the power supply means supplies electric power to the contactless sensor 2 while charging the capacitor 4, and when the switching means 1 is closed, the capacitor 4 supplies electric power to the contactless sensor 2. COPYRIGHT: (C)2007,JPO&INPIT |
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