DE8614951U1 - Sperrzaun - Google Patents
SperrzaunInfo
- Publication number
- DE8614951U1 DE8614951U1 DE19868614951 DE8614951U DE8614951U1 DE 8614951 U1 DE8614951 U1 DE 8614951U1 DE 19868614951 DE19868614951 DE 19868614951 DE 8614951 U DE8614951 U DE 8614951U DE 8614951 U1 DE8614951 U1 DE 8614951U1
- Authority
- DE
- Germany
- Prior art keywords
- fence
- fence according
- barrier fence
- barrier
- optical
- Prior art date
- 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
- 230000004888 barrier function Effects 0.000 title claims description 32
- 239000013307 optical fiber Substances 0.000 claims description 53
- 244000309464 bull Species 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 7
- 230000006378 damage Effects 0.000 claims description 6
- 230000006735 deficit Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- YJRODKCOICMRBO-BQYQJAHWSA-N (e)-4-(2,2,6-trimethylcyclohexyl)but-3-en-2-one Chemical compound CC1CCCC(C)(C)C1\C=C\C(C)=O YJRODKCOICMRBO-BQYQJAHWSA-N 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 3
- 239000000835 fiber Substances 0.000 description 14
- 230000001960 triggered effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000013308 plastic optical fiber Substances 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
- G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19868614951 DE8614951U1 (de) | 1986-06-03 | 1986-06-03 | Sperrzaun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19868614951 DE8614951U1 (de) | 1986-06-03 | 1986-06-03 | Sperrzaun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8614951U1 true DE8614951U1 (de) | 1991-04-25 |
Family
ID=6795205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19868614951 Expired DE8614951U1 (de) | 1986-06-03 | 1986-06-03 | Sperrzaun |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8614951U1 (tr) |
-
1986
- 1986-06-03 DE DE19868614951 patent/DE8614951U1/de not_active Expired
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