SE9604514L - Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen - Google Patents
Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningenInfo
- Publication number
- SE9604514L SE9604514L SE9604514A SE9604514A SE9604514L SE 9604514 L SE9604514 L SE 9604514L SE 9604514 A SE9604514 A SE 9604514A SE 9604514 A SE9604514 A SE 9604514A SE 9604514 L SE9604514 L SE 9604514L
- Authority
- SE
- Sweden
- Prior art keywords
- light
- light guiding
- monitoring
- guiding cable
- cable
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3245—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604514A SE9604514L (sv) | 1996-12-06 | 1996-12-06 | Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen |
EP97121050A EP0846942A3 (en) | 1996-12-06 | 1997-12-01 | Detection device for monitoring spaces in culverts and method for carrying through said monitoring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604514A SE9604514L (sv) | 1996-12-06 | 1996-12-06 | Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9604514D0 SE9604514D0 (sv) | 1996-12-06 |
SE9604514L true SE9604514L (sv) | 1998-06-07 |
Family
ID=20404898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9604514A SE9604514L (sv) | 1996-12-06 | 1996-12-06 | Detekteringsanordning för övervakning av utrymmen i kulvertar samt metod att utföra övervakningen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0846942A3 ( ) |
SE (1) | SE9604514L ( ) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7259384B2 (en) | 2005-04-25 | 2007-08-21 | The Boeing Company | Fluid level optical detector with float having opaque and transmissive portions |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854792A (en) * | 1973-03-22 | 1974-12-17 | Atomic Energy Commission | Fiber optic security seal |
GB2002905A (en) * | 1977-07-27 | 1979-02-28 | Northern Eng Ind | Liquid level indicator apparatus |
FR2538545A1 (fr) * | 1982-12-27 | 1984-06-29 | Air Liquide | Dispositif de mesure du niveau d'un liquide dans un reservoir |
JPS6219718A (ja) * | 1985-07-18 | 1987-01-28 | Matsushita Electric Ind Co Ltd | 水位検出装置 |
JPS6326550A (ja) * | 1986-07-18 | 1988-02-04 | Shikoku Keisoku Kogyo Kk | 液体状態変化の検出方法 |
US4935621A (en) * | 1987-10-30 | 1990-06-19 | Pikulski Joseph L | Optical switch with collimating lenses, antifreeze and/or index matching fluid for control of electrical equipment |
JPH01203932A (ja) * | 1988-02-10 | 1989-08-16 | Fujikura Ltd | 液体検知センサ |
-
1996
- 1996-12-06 SE SE9604514A patent/SE9604514L/ not_active Application Discontinuation
-
1997
- 1997-12-01 EP EP97121050A patent/EP0846942A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0846942A2 (en) | 1998-06-10 |
SE9604514D0 (sv) | 1996-12-06 |
EP0846942A3 (en) | 1999-04-28 |
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