FR2339219A2 - Appareil de detection d'intrusion et d'alarme a ondes ultrasonores ou a haute frequence - Google Patents
Appareil de detection d'intrusion et d'alarme a ondes ultrasonores ou a haute frequenceInfo
- Publication number
- FR2339219A2 FR2339219A2 FR7702026A FR7702026A FR2339219A2 FR 2339219 A2 FR2339219 A2 FR 2339219A2 FR 7702026 A FR7702026 A FR 7702026A FR 7702026 A FR7702026 A FR 7702026A FR 2339219 A2 FR2339219 A2 FR 2339219A2
- Authority
- FR
- France
- Prior art keywords
- ultrasound
- high frequency
- alarm device
- intrusion detection
- frequency intrusion
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- 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
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
- G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/455,260 US3942178A (en) | 1974-03-27 | 1974-03-27 | Intrusion detection system |
US05/652,049 US4035798A (en) | 1974-03-27 | 1976-01-26 | Ultrasonic intrusion detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2339219A2 true FR2339219A2 (fr) | 1977-08-19 |
FR2339219B1 FR2339219B1 (fr) | 1983-06-03 |
Family
ID=27037799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7702026A Granted FR2339219A2 (fr) | 1974-03-27 | 1977-01-25 | Appareil de detection d'intrusion et d'alarme a ondes ultrasonores ou a haute frequence |
Country Status (4)
Country | Link |
---|---|
US (1) | US4035798A (fr) |
DE (1) | DE2702499A1 (fr) |
FR (1) | FR2339219A2 (fr) |
GB (1) | GB1544997A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0411234A1 (fr) * | 1989-07-31 | 1991-02-06 | Belgian Electronic Research "B.E.R.", Societe Anonyme | Système électronique d'autosurveillance |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131889A (en) * | 1977-02-08 | 1978-12-26 | National Research Development Corporation | Miniature doppler radar systems and microwave receivers suitable therefor |
US4319349A (en) * | 1978-09-29 | 1982-03-09 | Pittway Corporation | Ultrasonic intrusion detection system |
US4360905A (en) * | 1979-04-16 | 1982-11-23 | Pittway Corporation | Intrusion alarm system for use with two-wire-cable |
DE2950626A1 (de) * | 1979-12-15 | 1981-06-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Dopplerradar-messverfahren und vorrichtung zur durchfuehrung dieses verfahrens |
US4433328A (en) * | 1980-01-16 | 1984-02-21 | Saphir Marc E | Motion sensing energy controller |
US4344071A (en) * | 1980-07-10 | 1982-08-10 | Roger A. Heller | Light switching mechanism |
US5148149A (en) * | 1991-01-31 | 1992-09-15 | Allied Security Devices, Inc. | Differential delay intrusion detection sensory system |
US5440290A (en) * | 1993-06-07 | 1995-08-08 | Tecsec Incorporated | Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation |
IL121068A (en) * | 1997-06-12 | 2000-11-21 | Visonic Ltd | Method and apparatus for detecting the presence of a moving object in a detection area |
US6248068B1 (en) * | 2000-02-03 | 2001-06-19 | Zeyn Seabron | Ultrasonic monitor |
US20050146429A1 (en) * | 2003-12-31 | 2005-07-07 | Spoltore Michael T. | Building occupant location and fire detection system |
AT15597U1 (de) * | 2010-07-26 | 2018-03-15 | Bea Sa | Modulierender retroreflektor zum testen eines dopplertransceivers |
CA3058796C (fr) * | 2017-04-03 | 2023-10-03 | GE Lighting Solutions, LLC | Systeme et procede de detection de presence |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2037881A5 (fr) * | 1969-03-10 | 1970-12-31 | Johnson Service Co | |
US3760400A (en) * | 1972-02-10 | 1973-09-18 | Aerospace Res | Intrusion detection system employing quadrature sampling |
US3796989A (en) * | 1972-06-01 | 1974-03-12 | Westinghouse Electric Corp | Direction sensitive doppler processor |
FR2266234A1 (fr) * | 1974-03-27 | 1975-10-24 | Sontrix | |
FR2290714A1 (fr) * | 1974-11-07 | 1976-06-04 | Schloeer Boerge | Systeme pour la detection d'objets mobiles dans une aire surveillee, par une diffraction de micro-ondes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696417A (en) * | 1970-07-02 | 1972-10-03 | Panametrics | Signal processor |
US3781773A (en) * | 1972-06-01 | 1973-12-25 | Westinghouse Electric Corp | Direction sensitive doppler processor |
-
1976
- 1976-01-26 US US05/652,049 patent/US4035798A/en not_active Expired - Lifetime
-
1977
- 1977-01-21 DE DE19772702499 patent/DE2702499A1/de not_active Ceased
- 1977-01-21 GB GB2529/77A patent/GB1544997A/en not_active Expired
- 1977-01-25 FR FR7702026A patent/FR2339219A2/fr active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2037881A5 (fr) * | 1969-03-10 | 1970-12-31 | Johnson Service Co | |
US3760400A (en) * | 1972-02-10 | 1973-09-18 | Aerospace Res | Intrusion detection system employing quadrature sampling |
US3796989A (en) * | 1972-06-01 | 1974-03-12 | Westinghouse Electric Corp | Direction sensitive doppler processor |
FR2266234A1 (fr) * | 1974-03-27 | 1975-10-24 | Sontrix | |
FR2290714A1 (fr) * | 1974-11-07 | 1976-06-04 | Schloeer Boerge | Systeme pour la detection d'objets mobiles dans une aire surveillee, par une diffraction de micro-ondes |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0411234A1 (fr) * | 1989-07-31 | 1991-02-06 | Belgian Electronic Research "B.E.R.", Societe Anonyme | Système électronique d'autosurveillance |
Also Published As
Publication number | Publication date |
---|---|
US4035798A (en) | 1977-07-12 |
GB1544997A (en) | 1979-04-25 |
FR2339219B1 (fr) | 1983-06-03 |
DE2702499A1 (de) | 1977-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |