IT1011858B - ELECTROMAGNETIC RADIATION DETECTOR INTRUSION - Google Patents
ELECTROMAGNETIC RADIATION DETECTOR INTRUSIONInfo
- Publication number
- IT1011858B IT1011858B IT6861274A IT6861274A IT1011858B IT 1011858 B IT1011858 B IT 1011858B IT 6861274 A IT6861274 A IT 6861274A IT 6861274 A IT6861274 A IT 6861274A IT 1011858 B IT1011858 B IT 1011858B
- Authority
- IT
- Italy
- Prior art keywords
- intrusion
- electromagnetic radiation
- radiation detector
- detector
- electromagnetic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7318501A FR2231062B1 (en) | 1973-05-22 | 1973-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1011858B true IT1011858B (en) | 1977-02-10 |
Family
ID=9119741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6861274A IT1011858B (en) | 1973-05-22 | 1974-05-22 | ELECTROMAGNETIC RADIATION DETECTOR INTRUSION |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE815361A (en) |
CH (1) | CH587529A5 (en) |
DE (1) | DE2424278C3 (en) |
ES (1) | ES426923A1 (en) |
FR (1) | FR2231062B1 (en) |
GB (1) | GB1450236A (en) |
IT (1) | IT1011858B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315733A1 (en) * | 1975-06-23 | 1977-01-21 | Tacussel Maurice | RADAR, ESPECIALLY FOR THE SURVEILLANCE OF A PREMISES |
FR2331102A1 (en) * | 1975-11-07 | 1977-06-03 | Tacussel Maurice | METHOD AND INSTALLATION FOR THE REMOTE CONTROL OF A ROOM SURVEILLANCE RADAR DEVICE |
FR2444944A1 (en) * | 1978-12-22 | 1980-07-18 | Brier Jean Pierre | Sealed microwave movement detector - comprises oscillator with cavities and antenna on printed circuit board, and analysis circuits to sense variation of frequency |
US4430645A (en) * | 1981-04-07 | 1984-02-07 | Sensormatic Electronics Corporation | Surveillance system employing a dual function floor mat radiator |
EP0068050A1 (en) * | 1981-06-25 | 1983-01-05 | Shorrock Developments Limited | Intruder detection apparatus |
DE3209094A1 (en) * | 1982-03-12 | 1983-09-22 | Hörmann GmbH, 8011 Kirchseeon | DEVICE FOR MONITORING SPACE BY DOPPLER RADAR |
DE3209093A1 (en) * | 1982-03-12 | 1983-09-22 | Hörmann GmbH, 8011 Kirchseeon | DEVICE FOR MONITORING SPACE BY DOPPLER RADAR |
FR2538188B1 (en) * | 1982-12-16 | 1988-07-15 | Dreuilhe Jacqueline | OSCILLATOR FOR A DOPPLER RADAR HEAD FOR THE DETECTION OF MOVING OBJECTS |
DE3336610A1 (en) * | 1983-10-07 | 1985-04-25 | Hörmann GmbH, 8011 Kirchseeon | MICROWAVE CABINET |
FR2575554B1 (en) * | 1984-12-28 | 1987-01-23 | Radiotechnique Compelec | MICROWAVE MODULE FOR DOPPLER RADAR IN BAND K |
CA1279899C (en) * | 1985-08-13 | 1991-02-05 | Notifier Company | Security system with saw transmitter |
US4672379A (en) * | 1985-12-04 | 1987-06-09 | Bishop Frank W | Doppler radar transceiver |
DE4013049A1 (en) * | 1989-04-25 | 1990-10-31 | Siemens Ag | Doppler radar module circuit for object motion detection - has aerial coupled to control circuit for circuit of single active switching element for oscillator and receiver |
US7460053B2 (en) | 2004-01-20 | 2008-12-02 | Bae Systems Information And Electronic Systems Integation Inc. | Method and apparatus for through-the-wall motion detection using CW radar |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2779935A (en) * | 1955-03-21 | 1957-01-29 | Holmes Electric Protective Com | Noise actuated disabling unit |
US3668703A (en) * | 1969-01-31 | 1972-06-06 | Johnson Service Co | Motion detector |
US3732555A (en) * | 1972-03-13 | 1973-05-08 | Sperry Rand Corp | Selective intrusion alarm system |
-
1973
- 1973-05-22 FR FR7318501A patent/FR2231062B1/fr not_active Expired
-
1974
- 1974-05-17 GB GB2211174A patent/GB1450236A/en not_active Expired
- 1974-05-18 DE DE19742424278 patent/DE2424278C3/en not_active Expired
- 1974-05-20 ES ES426923A patent/ES426923A1/en not_active Expired
- 1974-05-21 CH CH699474A patent/CH587529A5/xx not_active IP Right Cessation
- 1974-05-21 BE BE144593A patent/BE815361A/en not_active IP Right Cessation
- 1974-05-22 IT IT6861274A patent/IT1011858B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2424278A1 (en) | 1974-12-19 |
ES426923A1 (en) | 1976-07-16 |
DE2424278C3 (en) | 1979-08-02 |
BE815361A (en) | 1974-11-21 |
FR2231062A1 (en) | 1974-12-20 |
CH587529A5 (en) | 1977-05-13 |
FR2231062B1 (en) | 1977-11-10 |
DE2424278B2 (en) | 1978-12-07 |
GB1450236A (en) | 1976-09-22 |
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