DE3571164D1 - A multiplexed alarm system - Google Patents
A multiplexed alarm systemInfo
- Publication number
- DE3571164D1 DE3571164D1 DE8585901688T DE3571164T DE3571164D1 DE 3571164 D1 DE3571164 D1 DE 3571164D1 DE 8585901688 T DE8585901688 T DE 8585901688T DE 3571164 T DE3571164 T DE 3571164T DE 3571164 D1 DE3571164 D1 DE 3571164D1
- Authority
- DE
- Germany
- Prior art keywords
- alarm system
- multiplexed alarm
- multiplexed
- alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/004—Alarm systems in which substations are interrogated in succession by a central station with common interrogation of substations
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58510384A | 1984-03-01 | 1984-03-01 | |
PCT/US1985/000339 WO1985004040A1 (en) | 1984-03-01 | 1985-02-28 | A multiplexed alarm system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3571164D1 true DE3571164D1 (en) | 1989-07-27 |
Family
ID=24340058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585901688T Expired DE3571164D1 (en) | 1984-03-01 | 1985-02-28 | A multiplexed alarm system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0173735B1 (en) |
JP (1) | JPS61501599A (en) |
AU (1) | AU574157B2 (en) |
DE (1) | DE3571164D1 (en) |
WO (1) | WO1985004040A1 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3927404A (en) * | 1973-10-18 | 1975-12-16 | Standard Electric Time Corp | Time division multiple access communication system for status monitoring |
SE391250B (en) * | 1974-11-26 | 1977-02-07 | Saab Scania Ab | SECURITY SYSTEM, INCLUDING A CENTRAL UNIT, SOMŸVIA A COMMUNICATION CHANNEL IS CONNECTED WITH SEVERAL LOCAL TERMINAL UNITS |
US3930246A (en) * | 1975-01-13 | 1975-12-30 | Scott Francis A | Electrical alarm system |
US4053714A (en) * | 1976-04-06 | 1977-10-11 | Canadian Pgl Electronics Inc. | Electrical data collecting device |
US4162488A (en) * | 1977-03-11 | 1979-07-24 | Emergency Products Corporation | Alarm system |
US4206449A (en) * | 1977-07-27 | 1980-06-03 | American District Telegraph Company | Multiple sensor intrusion alarm system |
US4203096A (en) * | 1978-04-06 | 1980-05-13 | Mallinckrodt, Inc. | Sensor monitoring alarm system |
US4228424A (en) * | 1978-10-16 | 1980-10-14 | Baker Protective Services, Incorporated | Central station alarm |
US4367458A (en) * | 1980-08-29 | 1983-01-04 | Ultrak Inc. | Supervised wireless security system |
US4392125A (en) * | 1981-03-16 | 1983-07-05 | Nel-Tech Development, Inc. | Multiplex communication system using remote microprocessors |
FR2526190B1 (en) * | 1982-04-30 | 1985-11-08 | Europ Teletransmission | METHOD FOR PROTECTING A REMOTE MONITORING SYSTEM AGAINST SABOTAGE AND SYSTEM IMPLEMENTING SAID METHOD |
-
1985
- 1985-02-28 JP JP50125485A patent/JPS61501599A/en active Pending
- 1985-02-28 WO PCT/US1985/000339 patent/WO1985004040A1/en active IP Right Grant
- 1985-02-28 DE DE8585901688T patent/DE3571164D1/en not_active Expired
- 1985-02-28 AU AU41160/85A patent/AU574157B2/en not_active Ceased
- 1985-02-28 EP EP19850901688 patent/EP0173735B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS61501599A (en) | 1986-07-31 |
WO1985004040A1 (en) | 1985-09-12 |
EP0173735A4 (en) | 1986-08-21 |
AU574157B2 (en) | 1988-06-30 |
AU4116085A (en) | 1985-09-24 |
EP0173735B1 (en) | 1989-06-21 |
EP0173735A1 (en) | 1986-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |