LU77445A1 - - Google Patents
Info
- Publication number
- LU77445A1 LU77445A1 LU77445A LU77445A LU77445A1 LU 77445 A1 LU77445 A1 LU 77445A1 LU 77445 A LU77445 A LU 77445A LU 77445 A LU77445 A LU 77445A LU 77445 A1 LU77445 A1 LU 77445A1
- Authority
- LU
- Luxembourg
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
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/10—Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fencing (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7605870 | 1976-05-31 | ||
| NL7610670A NL7610670A (en) | 1976-09-24 | 1976-09-24 | Composite fencing wire for security fence - has strands separated by thin insulating layer altering capacity between them under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU77445A1 true LU77445A1 (xx) | 1977-09-12 |
Family
ID=26645222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU77445A LU77445A1 (xx) | 1976-05-31 | 1977-05-27 |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH612786A5 (xx) |
| DE (1) | DE2720252A1 (xx) |
| DK (1) | DK226377A (xx) |
| FR (1) | FR2353695A1 (xx) |
| GB (1) | GB1585602A (xx) |
| IE (1) | IE45206B1 (xx) |
| LU (1) | LU77445A1 (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2413729A1 (fr) * | 1978-01-02 | 1979-07-27 | Metafix Sa | Procede et systeme de securite |
| DE3723903A1 (de) * | 1987-07-18 | 1989-01-26 | Bernhard Haverkamp | Maschendrahtgeflecht fuer elektrisch ueberwachte zaeune |
| FR2803174B1 (fr) * | 2000-01-04 | 2004-09-17 | Jean Michel Bellon | Cloture electrique |
| ES2376453B1 (es) * | 2010-02-25 | 2013-01-29 | Micromag 2000 S.L. | Sistema sensor capacitivo para dispositivos de protección perimetral. |
| WO2014170813A1 (en) * | 2013-04-15 | 2014-10-23 | Kemp Marius | Fence monitoring |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2134800A (en) * | 1934-03-21 | 1938-11-01 | Warren C Putnam | Treadle switch |
| FR1137146A (fr) * | 1955-11-30 | 1957-05-23 | Comp Generale Electricite | Câble électrique déformable pour commande à distance |
| NL278995A (xx) * | 1961-06-05 | |||
| US3223796A (en) * | 1962-07-23 | 1965-12-14 | Willoughby Mfg Company | Insulated electric fence wire structure |
| DE1959229C3 (de) * | 1968-07-19 | 1978-12-21 | Israel Aircraft Industries, Ltd., Lod Airport (Israel) | Durch plötzliche Bewegung eines äußeren Glieds betätigbarer elektrischer Schalter mit einem fließfähigen Material |
| GB1406486A (en) * | 1972-02-04 | 1975-09-17 | Rists Wires & Cables Ltd | Electrical switches |
| NL176505C (nl) * | 1974-06-27 | 1985-04-16 | Philips Nv | Dunne, soepele, elektrische verbindingsdraad alsmede werkwijze voor het vervaardigen van een dergelijke draad. |
-
1977
- 1977-05-05 DE DE19772720252 patent/DE2720252A1/de not_active Withdrawn
- 1977-05-17 FR FR7715080A patent/FR2353695A1/fr active Granted
- 1977-05-23 GB GB2167277A patent/GB1585602A/en not_active Expired
- 1977-05-24 DK DK226377A patent/DK226377A/da not_active Application Discontinuation
- 1977-05-27 LU LU77445A patent/LU77445A1/xx unknown
- 1977-05-27 CH CH656377A patent/CH612786A5/xx not_active IP Right Cessation
- 1977-05-30 IE IE110577A patent/IE45206B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH612786A5 (en) | 1979-08-15 |
| DK226377A (da) | 1977-12-01 |
| GB1585602A (en) | 1981-03-11 |
| IE45206L (en) | 1977-11-30 |
| FR2353695B1 (xx) | 1982-08-13 |
| DE2720252A1 (de) | 1977-12-22 |
| IE45206B1 (en) | 1982-07-14 |
| FR2353695A1 (fr) | 1977-12-30 |