FR2298839A1 - Appareil de detection d'intrusion dans plusieurs zones par des ondes ultrasonores - Google Patents
Appareil de detection d'intrusion dans plusieurs zones par des ondes ultrasonoresInfo
- Publication number
- FR2298839A1 FR2298839A1 FR7601124A FR7601124A FR2298839A1 FR 2298839 A1 FR2298839 A1 FR 2298839A1 FR 7601124 A FR7601124 A FR 7601124A FR 7601124 A FR7601124 A FR 7601124A FR 2298839 A1 FR2298839 A1 FR 2298839A1
- Authority
- FR
- France
- Prior art keywords
- detection device
- ultrasonic waves
- intrusion detection
- several zones
- zones
- 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
- 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
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/542,695 US3986182A (en) | 1974-03-27 | 1975-01-21 | Multi-zone intrusion detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2298839A1 true FR2298839A1 (fr) | 1976-08-20 |
FR2298839B1 FR2298839B1 (fr) | 1980-05-30 |
Family
ID=24164901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7601124A Granted FR2298839A1 (fr) | 1975-01-21 | 1976-01-16 | Appareil de detection d'intrusion dans plusieurs zones par des ondes ultrasonores |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5197397A (fr) |
AU (1) | AU502566B2 (fr) |
CA (1) | CA1050652A (fr) |
DE (1) | DE2600362A1 (fr) |
FR (1) | FR2298839A1 (fr) |
GB (1) | GB1511461A (fr) |
IT (1) | IT1053395B (fr) |
NL (1) | NL7600175A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010870A1 (fr) * | 1978-10-04 | 1980-05-14 | Glynwed Group Services Limited | Dispositif clé-serrure électronique et système d'alarme qui en est muni |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3428773A1 (de) * | 1984-08-03 | 1986-02-13 | Siemens AG, 1000 Berlin und 8000 München | Ultraschallnaeherungsinitiator |
GB2179481B (en) * | 1985-08-20 | 1989-08-02 | Rentokil Ltd | Pest detection apparatus and method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3680074A (en) * | 1969-11-03 | 1972-07-25 | Zeev Lieser | Intrusion systems employing digital processing circuitry |
US3781859A (en) * | 1972-04-19 | 1973-12-25 | Seabroad Electric | Controlled wave pattern ultrasonic burglar alarm |
-
1976
- 1976-01-06 CA CA243,016A patent/CA1050652A/fr not_active Expired
- 1976-01-07 DE DE19762600362 patent/DE2600362A1/de not_active Withdrawn
- 1976-01-09 NL NL7600175A patent/NL7600175A/xx not_active Application Discontinuation
- 1976-01-12 GB GB100876A patent/GB1511461A/en not_active Expired
- 1976-01-16 JP JP51003275A patent/JPS5197397A/ja active Pending
- 1976-01-16 FR FR7601124A patent/FR2298839A1/fr active Granted
- 1976-01-20 IT IT4771576A patent/IT1053395B/it active
- 1976-03-16 AU AU12059/76A patent/AU502566B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3680074A (en) * | 1969-11-03 | 1972-07-25 | Zeev Lieser | Intrusion systems employing digital processing circuitry |
US3781859A (en) * | 1972-04-19 | 1973-12-25 | Seabroad Electric | Controlled wave pattern ultrasonic burglar alarm |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010870A1 (fr) * | 1978-10-04 | 1980-05-14 | Glynwed Group Services Limited | Dispositif clé-serrure électronique et système d'alarme qui en est muni |
Also Published As
Publication number | Publication date |
---|---|
AU1205976A (en) | 1977-09-22 |
CA1050652A (fr) | 1979-03-13 |
DE2600362A1 (de) | 1976-07-22 |
AU502566B2 (en) | 1979-08-02 |
NL7600175A (nl) | 1976-07-23 |
JPS5197397A (fr) | 1976-08-26 |
GB1511461A (en) | 1978-05-17 |
FR2298839B1 (fr) | 1980-05-30 |
IT1053395B (it) | 1981-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |