ES8105102A1 - Dispositivo electronico de deteccion de intrusiones en un medio circundante - Google Patents
Dispositivo electronico de deteccion de intrusiones en un medio circundanteInfo
- Publication number
- ES8105102A1 ES8105102A1 ES493383A ES493383A ES8105102A1 ES 8105102 A1 ES8105102 A1 ES 8105102A1 ES 493383 A ES493383 A ES 493383A ES 493383 A ES493383 A ES 493383A ES 8105102 A1 ES8105102 A1 ES 8105102A1
- Authority
- ES
- Spain
- Prior art keywords
- line
- transmitter
- area
- electronic device
- intrusion detection
- 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
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Burglar Alarm Systems (AREA)
Abstract
DISPOSITIVO ELECTRONICO DE DETECCION DE ANOMALIAS EN UNA ZONA. UN OSCILADOR-RECEPTOR (4) EMITE UNA ONDA ALTERNA QUE, AMPLIFICADA POR UN AMPLIFICADOR (7), RECORRE UNA LINEA (1), DE FORMA QUE CREA UN CAMPO ELECTROMAGNETICO EN LA ZONA A CONTROLAR, Y VUELVE AL OSCILADOR-RECEPTOR (4) DESPUES DE PASAR POR UN ATENUADOR (10). CUANDO UN OBJETO O SER SE INTRODUCE EN LA ZONA CONTROLADA, VARIA LOCALMENTE LA IMPEDANCIA, LO QUE AFECTA A LA ONDA Y EL OSCILADOR-RECEPTOR (4), AL DETECTARLO, DISPARA UN DISPOSITIVO DE ALARMA (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7918318A FR2461990A1 (fr) | 1979-07-16 | 1979-07-16 | Dispositif electronique de detection d'intrusions dans un environnement |
Publications (2)
Publication Number | Publication Date |
---|---|
ES493383A0 ES493383A0 (es) | 1981-05-16 |
ES8105102A1 true ES8105102A1 (es) | 1981-05-16 |
Family
ID=9227896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES493383A Expired ES8105102A1 (es) | 1979-07-16 | 1980-07-15 | Dispositivo electronico de deteccion de intrusiones en un medio circundante |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0022693A1 (es) |
ES (1) | ES8105102A1 (es) |
FR (1) | FR2461990A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2609823A1 (fr) * | 1987-01-16 | 1988-07-22 | Pagnol Frederic | Procede et dispositif pour la detection de l'approche d'un objet par un corps etranger |
FR2679043B1 (fr) * | 1991-07-08 | 1993-11-26 | Bertin Et Cie | Detecteur de proximite. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2357014A1 (fr) * | 1976-06-30 | 1978-01-27 | Snecma | Dispositif electronique a ligne d'onde pour la detection d'intrusions dans un environnement |
-
1979
- 1979-07-16 FR FR7918318A patent/FR2461990A1/fr active Granted
-
1980
- 1980-06-24 EP EP80400935A patent/EP0022693A1/fr not_active Withdrawn
- 1980-07-15 ES ES493383A patent/ES8105102A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2461990A1 (fr) | 1981-02-06 |
ES493383A0 (es) | 1981-05-16 |
EP0022693A1 (fr) | 1981-01-21 |
FR2461990B1 (es) | 1983-02-25 |
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