FR2130004B1 - - Google Patents
Info
- Publication number
- FR2130004B1 FR2130004B1 FR7110759A FR7110759A FR2130004B1 FR 2130004 B1 FR2130004 B1 FR 2130004B1 FR 7110759 A FR7110759 A FR 7110759A FR 7110759 A FR7110759 A FR 7110759A FR 2130004 B1 FR2130004 B1 FR 2130004B1
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7110759A FR2130004B1 (fr) | 1971-03-19 | 1971-03-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7110759A FR2130004B1 (fr) | 1971-03-19 | 1971-03-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2130004A1 FR2130004A1 (fr) | 1972-11-03 |
FR2130004B1 true FR2130004B1 (fr) | 1975-07-04 |
Family
ID=9074179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7110759A Expired FR2130004B1 (fr) | 1971-03-19 | 1971-03-19 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2130004B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0202080D0 (en) * | 2002-01-30 | 2002-03-13 | Intelligent Sensors Ltd | Detection of objects |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH396704A (de) * | 1960-04-22 | 1965-07-31 | Mettler Alois | Elektrische Sicherungsanlage mit einem Sender zur Ausstrahlung elektromagnetischer Wellen |
FR1556404A (fr) * | 1967-12-29 | 1969-02-07 | ||
DE1766857A1 (de) * | 1968-07-31 | 1970-08-27 | Boeing Co | Alarmanlage |
-
1971
- 1971-03-19 FR FR7110759A patent/FR2130004B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2130004A1 (fr) | 1972-11-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |