FIELD: automatic control systems. SUBSTANCE: device has ring button contact 1, flip-flop 2, 13, univibrators 3, 10, NAND gates 4, 7, 11, pulse counter 5, code matching unit 6, executing unit 8, OR gate 9, differentiating circuit 12, encoder 14, contact-sensitive element 15, reset button 16. If access to controlled room is authorized then alarm signal can be switched off from outside of room without installation of any additional devices and almost all doors of apartments have ring button. EFFECT: increased functional capabilities. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SAFETY CODER | 1990 |
|
RU2042026C1 |
| GUARDING ALARM SYSTEM | 1994 |
|
RU2103744C1 |
| RADIO SIGNALLING AND DETECTION METHOD AND SYSTEM FOR ITS IMPLEMENTATION | 1993 |
|
RU2099791C1 |
| DEVICE OF ALARM SIGNALLING FOR SEVERAL OBJECTS | 0 |
|
SU1805483A1 |
| BURGLAR ALARM | 0 |
|
SU1603417A1 |
| OPTICAL-MECHANICAL OBSERVATION RECORDER | 2018 |
|
RU2682477C1 |
| APPARATUS FOR QUALITY CONTROL OF TIME TRANSMITTERS | 0 |
|
SU1422218A1 |
| DEVICE FOR AUTOMATED PREPARATION OF PROGRAM FOR NUMERICALLY-CONTROLLED MACHINES | 0 |
|
SU1354160A1 |
| SYSTEM FOR CONTROLLING THE MANUFACTURING PROCESS OF DISCRETE PRODUCTION | 0 |
|
SU1251110A1 |
| PROTECTION SIGNALLING APPARATUS | 1991 |
|
RU2031445C1 |
