FIELD: technology for protecting property from unauthorized access.
SUBSTANCE: device has control block 1, two shift registers 2, 3, code converter 4, counter 5 and code comparison block 6, inputs 7, 8 and outputs 9, 10. shift register 3 fourth output is inserted into control block as well as several other new connection between functional blocks are established.
EFFECT: higher reliability, higher efficiency, simplified operation.
5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CONTROL DEVICE FOR CODED LOCK | 2003 |
|
RU2247205C1 |
| ELECTRONIC LOCK CONTROL DEVICE | 2002 |
|
RU2209909C1 |
| DEVICE FOR CONTROL OF ELECTRONIC LOCK | 2003 |
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RU2239037C1 |
| CONTROL DEVICE | 2005 |
|
RU2298624C2 |
| DEVICE FOR MEASURING FREQUENCY DIFFERENCE | 0 |
|
SU1723533A1 |
| ELECTRONIC LOCK | 2002 |
|
RU2221921C2 |
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|
SU1256084A1 |
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|
SU1151957A1 |
| ELECTRONIC LOCK | 2002 |
|
RU2213191C1 |
