FR2037881A5 - - Google Patents
Info
- Publication number
- FR2037881A5 FR2037881A5 FR7008518A FR7008518A FR2037881A5 FR 2037881 A5 FR2037881 A5 FR 2037881A5 FR 7008518 A FR7008518 A FR 7008518A FR 7008518 A FR7008518 A FR 7008518A FR 2037881 A5 FR2037881 A5 FR 2037881A5
- Authority
- FR
- France
- 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
- 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
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80559169A | 1969-03-10 | 1969-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2037881A5 true FR2037881A5 (fr) | 1970-12-31 |
Family
ID=25191983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7008518A Expired FR2037881A5 (fr) | 1969-03-10 | 1970-03-10 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3697989A (fr) |
CA (1) | CA921147A (fr) |
DE (1) | DE2011288A1 (fr) |
FR (1) | FR2037881A5 (fr) |
GB (1) | GB1308702A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2339219A2 (fr) * | 1974-03-27 | 1977-08-19 | Pittway Corp | Appareil de detection d'intrusion et d'alarme a ondes ultrasonores ou a haute frequence |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793617A (en) * | 1972-06-26 | 1974-02-19 | Klaas B | Ultrasonic area surveillance system |
US3932871A (en) * | 1972-09-11 | 1976-01-13 | Sperry Rand Corporation | FM/CW surveillance radar system with range gating |
DE2256926C3 (de) * | 1972-11-21 | 1981-11-05 | Schomandl KG, 8000 München | Raumüberwachungseinrichtung |
US3932870A (en) * | 1974-05-31 | 1976-01-13 | American District Telegraph Company | On-line test circuit for intrusion alarm systems |
US4088989A (en) * | 1975-12-08 | 1978-05-09 | Gulf & Western Manufacturing Company | Intrusion detection apparatus |
US4117464A (en) * | 1976-11-11 | 1978-09-26 | Solfan Systems, Inc. | Microwave motion-detection apparatus employing a gunn oscillator in a self-detecting mode |
US4682153A (en) * | 1985-10-23 | 1987-07-21 | Amerace Corporation | Fail-safe sensor system |
DE102005034878B4 (de) * | 2004-07-26 | 2011-08-18 | Kyocera Corp. | Wahlschalter, Hochfrequenz-Sende-/Empfangsvorrichtung, Radarvorrichtung, mit der Radarvorrichtung ausgestattetes Fahrzeug und kleines Schiff |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2779936A (en) * | 1955-03-21 | 1957-01-29 | Holmes Electric Protective Com | Supervisory unit for burglar alarm system |
US3242486A (en) * | 1962-04-20 | 1966-03-22 | Johnson Service Co | Intrusion detection system |
US3378834A (en) * | 1966-05-10 | 1968-04-16 | Johnson Service Co | Perimeter intrusion detection system |
US3383678A (en) * | 1966-12-23 | 1968-05-14 | Advanced Devices Lab Inc | Moving object detection system |
-
1969
- 1969-03-10 US US805591A patent/US3697989A/en not_active Expired - Lifetime
-
1970
- 1970-02-26 CA CA075990A patent/CA921147A/en not_active Expired
- 1970-03-10 DE DE19702011288 patent/DE2011288A1/de active Pending
- 1970-03-10 FR FR7008518A patent/FR2037881A5/fr not_active Expired
- 1970-03-10 GB GB1153070A patent/GB1308702A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2339219A2 (fr) * | 1974-03-27 | 1977-08-19 | Pittway Corp | Appareil de detection d'intrusion et d'alarme a ondes ultrasonores ou a haute frequence |
Also Published As
Publication number | Publication date |
---|---|
US3697989A (en) | 1972-10-10 |
GB1308702A (en) | 1973-03-07 |
DE2011288A1 (de) | 1970-09-24 |
CA921147A (en) | 1973-02-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |