BE886110A - Dispositif detecteur d'intrusion - Google Patents
Dispositif detecteur d'intrusionInfo
- Publication number
- BE886110A BE886110A BE0/202760A BE202760A BE886110A BE 886110 A BE886110 A BE 886110A BE 0/202760 A BE0/202760 A BE 0/202760A BE 202760 A BE202760 A BE 202760A BE 886110 A BE886110 A BE 886110A
- Authority
- BE
- Belgium
- Prior art keywords
- detector device
- intrusion detector
- intrusion
- detector
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
- G08B13/169—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using cable transducer means
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9365379A | 1979-11-13 | 1979-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE886110A true BE886110A (fr) | 1981-03-02 |
Family
ID=22240062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/202760A BE886110A (fr) | 1979-11-13 | 1980-11-12 | Dispositif detecteur d'intrusion |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE886110A (fr) |
DE (1) | DE3042358A1 (fr) |
FR (1) | FR2469721A1 (fr) |
GB (1) | GB2063537A (fr) |
SE (1) | SE8007903L (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0206458B1 (fr) * | 1985-04-17 | 1992-07-01 | Geoquip Security Systems Limited | Capteur sensible aux vibrations |
GB2182182B (en) * | 1985-04-24 | 1989-06-28 | Sound Special Services Limited | Intrusion detecting device |
-
1980
- 1980-11-07 FR FR8023937A patent/FR2469721A1/fr not_active Withdrawn
- 1980-11-10 DE DE19803042358 patent/DE3042358A1/de not_active Withdrawn
- 1980-11-11 SE SE8007903A patent/SE8007903L/ not_active Application Discontinuation
- 1980-11-12 GB GB8036327A patent/GB2063537A/en not_active Withdrawn
- 1980-11-12 BE BE0/202760A patent/BE886110A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
SE8007903L (sv) | 1981-05-14 |
GB2063537A (en) | 1981-06-03 |
FR2469721A1 (fr) | 1981-05-22 |
DE3042358A1 (de) | 1981-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PT70838A (fr) | Dispositif de protection antisismique | |
FR2525304B1 (fr) | Dispositif de securite d'antidevissage | |
FR2479453B1 (fr) | Dispositif detecteur | |
FR2411447B1 (fr) | Dispositif de rotation d'image | |
BE862959A (fr) | Dispositif d'etancheite | |
BE860297A (fr) | Dispositif de surveillance | |
FR2346586A1 (fr) | Dispositif d'accrochage | |
BE882132A (fr) | Dispositif anti-enchainement | |
FR2544424B1 (fr) | Dispositif d'accouplement | |
BE859093A (fr) | Dispositif de securite | |
BE864881A (fr) | Dispositif d'assemblage | |
BE854543A (fr) | Dispositif de suspension d'armoine | |
FR2483104B1 (fr) | Dispositif indicateur de zone d'alarme | |
BE856111A (fr) | Dispositif d'etancheite | |
FR2452029B1 (fr) | Dispositif d'embrayage | |
FR2351422A1 (fr) | Dispositif detecteur, localisateur solide d'impacts de rayonnement ionisants | |
BE853572A (fr) | Dispositif d'obturation de securite | |
BE866537A (fr) | Dispositif d'inhalation | |
FR2475106B1 (fr) | Coffret et son dispositif de serrure | |
BE864454A (fr) | Dispositif d'irradiation | |
BE886110A (fr) | Dispositif detecteur d'intrusion | |
BE877159A (fr) | Dispositif d'hemodialyse | |
BE869290A (fr) | Dispositif d'etancheite | |
BE884364A (fr) | Dispositif d'alarme antivol et antieffraction protatif | |
FR2337669A1 (fr) | Dispositif d'envoloppes |