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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||361/156 ; 361/208|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 13 인용 특허 : 2|
An electronic switching device employing a self-keeping type relay having an exciting coil (41), which comprises a signal generator (1), a first switching transistor (5) connected through a diode (43) to the coil, a second capacitor (42) connected in series with the coil, a second switching transistor (44) connected across the coil and the second capacitor, a first capacitor connected across the second capacitor, the coil, the diode and the first switching transistor, a high resistance circuit (3) interposed between a power source (E) and the first capac...
An electronic switching device including a self-latching electromagnetic switch for switching a load connected to the switch, which comprises a self-latching relay circuit including an exciting coil, first switching means connected in series with said relay circuit for controlling an electric current applied to the same, current regulating means interposed between a power source and said relay circuit, a first capacitor connected across said relay circuit and said first switching means which are connected in series so as to be charged by said power sourc...