FR2125182A1 - - Google Patents
Info
- Publication number
- FR2125182A1 FR2125182A1 FR7105401A FR7105401A FR2125182A1 FR 2125182 A1 FR2125182 A1 FR 2125182A1 FR 7105401 A FR7105401 A FR 7105401A FR 7105401 A FR7105401 A FR 7105401A FR 2125182 A1 FR2125182 A1 FR 2125182A1
- 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.)
- Granted
Links
Classifications
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- 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
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
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- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7105401A FR2125182B1 (ja) | 1971-02-17 | 1971-02-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7105401A FR2125182B1 (ja) | 1971-02-17 | 1971-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2125182A1 true FR2125182A1 (ja) | 1972-09-29 |
FR2125182B1 FR2125182B1 (ja) | 1975-10-10 |
Family
ID=9072049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7105401A Expired FR2125182B1 (ja) | 1971-02-17 | 1971-02-17 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2125182B1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2502610A1 (de) * | 1974-01-23 | 1975-07-24 | Microwave & Electronic Syst | Intrusionsfuehler fuer eine mikrowellenschranke |
EP0139920A1 (de) * | 1983-10-07 | 1985-05-08 | Hörmann Sicherheitstechnik GmbH | Mikrowellenschranke |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3314066A (en) * | 1965-06-02 | 1967-04-11 | Devenco Inc | Method and apparatus for detecting the entrance of an object into a region being monitored |
-
1971
- 1971-02-17 FR FR7105401A patent/FR2125182B1/fr not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3314066A (en) * | 1965-06-02 | 1967-04-11 | Devenco Inc | Method and apparatus for detecting the entrance of an object into a region being monitored |
Non-Patent Citations (3)
Title |
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(REVUE AMERICAINE"UNDER SEA TECHNOLOGY"DECEMBER 1969,ARTICLE:NEW SYSTEM DEVELOPED FOR"HANDS OFF"POSITIONING WITHIN 50FT"DE STEGALL PAGES 30 ET 31.) * |
OFF"POSITIONING WITHIN 50FT"DE STEGALL PAGES 30 ET 31.) * |
REVUE AMERICAINE"UNDER SEA TECHNOLOGY"DECEMBER 1969,ARTICLE:NEW SYSTEM DEVELOPED FOR"HANDS * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2502610A1 (de) * | 1974-01-23 | 1975-07-24 | Microwave & Electronic Syst | Intrusionsfuehler fuer eine mikrowellenschranke |
EP0139920A1 (de) * | 1983-10-07 | 1985-05-08 | Hörmann Sicherheitstechnik GmbH | Mikrowellenschranke |
Also Published As
Publication number | Publication date |
---|---|
FR2125182B1 (ja) | 1975-10-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |