| 摘要 |
In an electronic security system, preferably for protecting residences, the protected space is provided with a main frame connected to a device for actuating the main frame and to at least one sensor. The main frame is further connected by a cable television cable to a central console. The main frame has a code recognition processor (1) that generates at least one high frequency when it is not switched off and the device for actuating the main frame is a device (4) for reading cards with integrated chip.
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