FIELD: electricity.
SUBSTANCE: key element is made as in-series circuit of at least two controlled keys represented by field effect transistors and power supply source. The device comprises pair-wise comparison unit for the controlled keys, which is designed to control and compare voltage drop at open in-series controlled keys.
EFFECT: improved authenticity of the keys control, continuous control is provided.
4 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| KEY ELEMENT WITH HIGH SAFETY LEVEL | 2014 |
|
RU2573891C1 |
| APPARATUS FOR LEAD CHECKING OF INSULATION RESISTANCE OF BRANCHES OF ELECTRIC NETWORKS WITH ISOLATED NEUTRAL | 0 |
|
SU1573433A1 |
| THREE-PHASE VOLTAGE RECTIFIED WITH POWER FACTOR CORRECTION | 2023 |
|
RU2813799C1 |
| HIGH-VOLTAGE POWER SUPPLY SYSTEM (ALTERNATIVES) AND RELEVANT ELECTRONIC SWITCH | 2006 |
|
RU2315387C1 |
| EXPLOSION-PROOF MAGNETIC STARTER | 2009 |
|
RU2436219C2 |
| SWITCHING SYSTEM OF EXECUTIVE BODIES AND METHOD OF NONDESTRUCTIVE TESTING OF OPERABILITY AND DISCONNECTION OF SWITCHING POINTS AND EXECUTIVE BODIES | 2016 |
|
RU2657724C2 |
| AUTOMATIC CONTROL METHOD FOR ACCUMULATOR BATTERY CONSISTING OF N GALVANIC COUPLED ACCUMULATOR CELLS AND DEVICE FOR AUTOMATIC CONTROL | 2014 |
|
RU2557014C1 |
| DEVICE SUBMERSIBLE REMOTE MEASUREMENT | 2017 |
|
RU2712979C2 |
| LEAK CURRENT MEASURING DEVICE | 0 |
|
SU970276A1 |
| CURRENT CONTROL FOR ELECTRIC TRANSPORTATION OF DRUGS | 2013 |
|
RU2637560C2 |
