BE832802A - Dispositif de telesurveillance par radio - Google Patents
Dispositif de telesurveillance par radioInfo
- Publication number
- BE832802A BE832802A BE159513A BE159513A BE832802A BE 832802 A BE832802 A BE 832802A BE 159513 A BE159513 A BE 159513A BE 159513 A BE159513 A BE 159513A BE 832802 A BE832802 A BE 832802A
- Authority
- BE
- Belgium
- Prior art keywords
- monitoring device
- radio monitoring
- radio
- monitoring
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7429728A FR2283493A1 (fr) | 1974-08-30 | 1974-08-30 | Dispositif de telesurveillance par radio |
Publications (1)
Publication Number | Publication Date |
---|---|
BE832802A true BE832802A (fr) | 1975-12-16 |
Family
ID=9142709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE159513A BE832802A (fr) | 1974-08-30 | 1975-08-27 | Dispositif de telesurveillance par radio |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE832802A (fr) |
DE (1) | DE2538354A1 (fr) |
FR (1) | FR2283493A1 (fr) |
GB (1) | GB1509610A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117405A (en) * | 1976-11-02 | 1978-09-26 | Louis Martinez | Narrow-band radio communication system |
DE2802075C3 (de) * | 1978-01-18 | 1980-11-13 | Compur-Electronic Gmbh, 8000 Muenchen | Verfahren zur Sicherung und Überwachung, insbesondere zur Personensicherung und -überwachung, sowie Anordnung zur Durchführung des Verfahrens |
DE2923732C2 (de) * | 1979-06-12 | 1987-04-16 | Fritz Fuss Kg, 7470 Albstadt | Anordnung zur Alarmgabe bei unbefugtem Eindringen in einen geschützten Bereich |
GB2119981B (en) * | 1982-01-07 | 1985-08-07 | Morrison John M | Alarm systems |
US4523184A (en) * | 1982-09-30 | 1985-06-11 | Sentrol, Inc. | Supervised wireless security system |
DE3422996C2 (de) * | 1984-06-22 | 1986-05-22 | Friedrich Merk-Telefonbau GmbH, 8000 München | Einrichtung zur drahtlosen Übertragung von Meldesignalen |
NL8403324A (nl) * | 1984-11-02 | 1986-06-02 | Philips Nv | Werkwijze voor het overdragen van informatie in een digitaal transmissiesysteem. |
EP0229198A1 (fr) * | 1985-11-27 | 1987-07-22 | Hansens Neighbourhood Alarms Pty. Ltd. | Alarme pour le voisinage |
GB8726830D0 (en) * | 1987-11-17 | 1987-12-23 | Martin J A | Monitoring system |
DE4024821A1 (de) * | 1990-08-04 | 1992-02-06 | Koettgen Gmbh & Co Kg | Kleinsender-kontrolle |
-
1974
- 1974-08-30 FR FR7429728A patent/FR2283493A1/fr not_active Withdrawn
-
1975
- 1975-08-27 BE BE159513A patent/BE832802A/fr unknown
- 1975-08-28 DE DE19752538354 patent/DE2538354A1/de active Pending
- 1975-08-29 GB GB3582275A patent/GB1509610A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2538354A1 (de) | 1976-03-11 |
GB1509610A (en) | 1978-05-04 |
FR2283493A1 (fr) | 1976-03-26 |
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