| 摘要 |
An electronically self-latching cylinder lock comprising a cylinder into which a plug is inserted, a plurality of paired pin tumblers each of which is disposed in one of a plurality of bores formed inside the cylinder and the plug, and a plurality of switches which are controlled by the pin tumblers. The switches are used to actuate an electronic circuit to send out warnings with a buzzer and to secure the plug at its locked position with a latch which is driven with a solenoid, when an incorrect key is inserted into the key way.
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