DK305489D0 - Kommunikationsanlaeg i roeg- og branddetekteringssystemer - Google Patents
Kommunikationsanlaeg i roeg- og branddetekteringssystemerInfo
- Publication number
- DK305489D0 DK305489D0 DK305489A DK305489A DK305489D0 DK 305489 D0 DK305489 D0 DK 305489D0 DK 305489 A DK305489 A DK 305489A DK 305489 A DK305489 A DK 305489A DK 305489 D0 DK305489 D0 DK 305489D0
- Authority
- DK
- Denmark
- Prior art keywords
- fire
- detection systems
- communication plant
- plant
- communication
- Prior art date
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
- G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
- G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/14—Calling by using pulses
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
- Fire-Detection Mechanisms (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/111,811 US4916432A (en) | 1987-10-21 | 1987-10-21 | Smoke and fire detection system communication |
PCT/US1988/003217 WO1989004032A1 (en) | 1987-10-21 | 1988-09-16 | Smoke and fire detection system communication |
Publications (2)
Publication Number | Publication Date |
---|---|
DK305489A DK305489A (da) | 1989-06-20 |
DK305489D0 true DK305489D0 (da) | 1989-06-20 |
Family
ID=22340569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK305489A DK305489D0 (da) | 1987-10-21 | 1989-06-20 | Kommunikationsanlaeg i roeg- og branddetekteringssystemer |
Country Status (9)
Country | Link |
---|---|
US (1) | US4916432A (es) |
EP (1) | EP0339081B1 (es) |
CA (1) | CA1299269C (es) |
DE (1) | DE3852482T2 (es) |
DK (1) | DK305489D0 (es) |
ES (1) | ES2011164A6 (es) |
FI (1) | FI893018A0 (es) |
GB (1) | GB2211329B (es) |
WO (1) | WO1989004032A1 (es) |
Families Citing this family (87)
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US4554468A (en) * | 1983-07-01 | 1985-11-19 | Motorola, Inc. | Latching comparator with hysteresis |
US4578669A (en) * | 1983-09-12 | 1986-03-25 | Hydril Company | Remote switch position indicator |
US4641322A (en) * | 1983-10-18 | 1987-02-03 | Nec Corporation | System for carrying out spread spectrum communication through an electric power line |
FR2560410B1 (fr) * | 1984-02-24 | 1986-06-06 | Efcis | Circuit de precharge de bus de transfert de donnees logiques |
JPS60186994A (ja) * | 1984-03-05 | 1985-09-24 | ホーチキ株式会社 | 火災感知器 |
US4598216A (en) * | 1984-08-27 | 1986-07-01 | Ncr Corporation | Assist circuit for a data bus in a data processing system |
US4613848A (en) * | 1984-11-29 | 1986-09-23 | Teletron Security, Inc. | Multiple-zone intrusion detection system |
US4796025A (en) * | 1985-06-04 | 1989-01-03 | Simplex Time Recorder Co. | Monitor/control communication net with intelligent peripherals |
EP0241574B1 (en) * | 1986-03-31 | 1997-10-29 | Matsushita Electric Works, Ltd. | Fire alarm system |
-
1987
- 1987-10-21 US US07/111,811 patent/US4916432A/en not_active Expired - Lifetime
-
1988
- 1988-09-16 EP EP89900382A patent/EP0339081B1/en not_active Expired - Lifetime
- 1988-09-16 WO PCT/US1988/003217 patent/WO1989004032A1/en active IP Right Grant
- 1988-09-16 DE DE3852482T patent/DE3852482T2/de not_active Expired - Fee Related
- 1988-10-04 GB GB8823230A patent/GB2211329B/en not_active Expired - Fee Related
- 1988-10-20 CA CA000580705A patent/CA1299269C/en not_active Expired - Lifetime
- 1988-10-20 ES ES8803186A patent/ES2011164A6/es not_active Expired
-
1989
- 1989-06-20 DK DK305489A patent/DK305489D0/da not_active Application Discontinuation
- 1989-06-20 FI FI893018A patent/FI893018A0/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0339081A1 (en) | 1989-11-02 |
FI893018A (fi) | 1989-06-20 |
WO1989004032A1 (en) | 1989-05-05 |
EP0339081B1 (en) | 1994-12-14 |
DK305489A (da) | 1989-06-20 |
ES2011164A6 (es) | 1989-12-16 |
EP0339081A4 (en) | 1991-07-31 |
DE3852482T2 (de) | 1995-07-27 |
GB8823230D0 (en) | 1988-11-09 |
GB2211329A (en) | 1989-06-28 |
US4916432A (en) | 1990-04-10 |
FI893018A0 (fi) | 1989-06-20 |
DE3852482D1 (de) | 1995-01-26 |
GB2211329B (en) | 1991-11-06 |
CA1299269C (en) | 1992-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |