FIELD: object devices for monitoring and controlling terminal alarm and warning devices at object. SUBSTANCE: device is designed for two-way digital data exchange with message transfer systems through busy telephone communication lines. Object device can be adjusted to optimal modes of data reception and speed of data exchange with message transfer system for each actual telephone communication line. EFFECT: enhanced communication reliability. 1 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
OBJECT DEVICE | 2002 |
|
RU2226003C1 |
OBJECT DEVICE | 2006 |
|
RU2310920C1 |
FIRE-ALARM SYSTEM | 1996 |
|
RU2110094C1 |
OBJECT DEVICE | 2005 |
|
RU2295777C1 |
SET OF EQUIPMENT FOR AUTOMATIC TEPEPHONE EXCHANGE FOR SAFETY-FIRE ALARM SYSTEM | 2001 |
|
RU2207631C2 |
INTRUDER AND FIRE ALARM SYSTEM | 2001 |
|
RU2216783C2 |
HARDWARE SET FOR AUTOMATIC TELEPHONE EXCHANGE OF EMERGENCY AND FIRE ALARM SYSTEM | 2000 |
|
RU2194369C2 |
INTRUDER AND FIRE ALARM SYSTEM | 2003 |
|
RU2263972C2 |
FIRE ALARM SYSTEM | 2003 |
|
RU2256232C2 |
FIRE ALARM SYSTEM | 2019 |
|
RU2725654C1 |
Authors
Dates
2004-03-20—Published
2002-07-10—Filed