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JPS5531617Y1 |
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JPS5597152A |
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JPS5583837U |
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JPS5582032U |
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JPS5576635U |
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JPS5574236U |
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JPS5572719U |
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JPS5547459A |
PURPOSE: To detect the reverse and missing phases of all three phase input voltage by a single simple circuit by setting the differential voltage between two phases to substantially zero at normal time in such a manner that the different...
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JPS5514039Y2 |
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JPS5529243A |
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JPS5524077U |
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JPS5524028U |
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JPS5515942U |
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JPS5514888U |
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JPS5512792U |
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JPS558223A |
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JPS55934B2 |
A power feed arrangement provided as a safety measure in a communications system of the type in which two terminal stations are connected by at least one transmission path which transmits information signals from one of the stations to t...
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JPS54164242A |
A phase unbalance detecting system that includes also low-voltage detection and wrong-phase-sequence detection. The system can be packaged in a small volume because it is a solid state type that uses a minimum of electronics and does not...
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JPS54162146A |
PURPOSE: To detect the abnormality of separate interlock and the abnormality of a display lamp, by connecting the contacts of change-over switches in parallel with each interlock contact while connecting the lamp to the series circuit. C...
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JPS54172260U |
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JPS54147437A |
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JPS54162833U |
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JPS54159140U |
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JPS54142544A |
PURPOSE: To prevent the reversal of motor exactly and easily by sequentially connecting respective apparatuses to each other in such a way that the phase order of inputs among the units which contain motors are the same and by connecting...
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JPS54158231U |
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JPS54150926U |
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JPS54134347A |
PURPOSE: To economically form two power circuits consisting of the input terminal, power switch, and noise filter which are commonly used for both the low voltage power supply and the high voltage power supply. CONSTITUTION: The voltage ...
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JPS5431628Y2 |
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JPS5430728B2 |
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JPS54141447U |
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JPS54135580U |
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JPS54129728U |
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JPS54111729U |
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JPS5421948B2 |
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JPS5421704Y2 |
A battery energized device such as the light measuring or automatic exposure control system of a camera includes a cylindrical housing for holding a battery having an end opening and a removable closure member. A switch is opened by the ...
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JPS5421535B2 |
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JPS54104941U |
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JPS5418644Y2 |
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JPS5498541U |
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JPS5499044U |
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JPS5417781Y2 |
A means for detecting low voltage in a circuit breaker control system comprising a static device and a voltage divider. Upon sensing low control voltage, the static device produces a signal which is applied to a silicon controlled rectif...
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JPS5493750U |
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JPS5414441B2 |
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JPS5473931U |
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JPS5411557Y2 |
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JPS5411555Y2 |
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JPS5473391U |
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JPS5450852A |
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JPS546042Y2 |
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JPS5440442U |
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