JPS4826191A - - Google Patents
Info
- Publication number
- JPS4826191A JPS4826191A JP47077995A JP7799572A JPS4826191A JP S4826191 A JPS4826191 A JP S4826191A JP 47077995 A JP47077995 A JP 47077995A JP 7799572 A JP7799572 A JP 7799572A JP S4826191 A JPS4826191 A JP S4826191A
- Authority
- JP
- Japan
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/04—Preventing hull fouling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
- G01N27/025—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil a current being generated within the material by induction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/04—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using deflection of baffle-plates
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2139206A DE2139206C3 (de) | 1971-08-05 | 1971-08-05 | Oberflächenüberzug eines Sensors für Unterwassersonden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4826191A true JPS4826191A (ja) | 1973-04-05 |
| JPS556847B2 JPS556847B2 (ja) | 1980-02-20 |
Family
ID=5815871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7799572A Expired JPS556847B2 (ja) | 1971-08-05 | 1972-08-03 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3821894A (ja) |
| JP (1) | JPS556847B2 (ja) |
| DE (1) | DE2139206C3 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092858A (en) * | 1975-11-26 | 1978-06-06 | The United States Of America As Represented By The Secretary Of The Navy | Oceanographic sensor with in-situ cleaning and bio-fouling prevention system |
| JPS6059160U (ja) * | 1983-09-28 | 1985-04-24 | パイオニア株式会社 | 測定装置 |
| US4763537A (en) * | 1986-12-15 | 1988-08-16 | The Texas A&M University System | Process for protecting electrochemical sensors from biofouling in an aquatic environment |
| US5894042A (en) * | 1996-02-26 | 1999-04-13 | Technology Licensing Company | Bacteriostatic coating of polymeric conduit |
| US7297408B2 (en) * | 2004-11-16 | 2007-11-20 | The Lubrizol Corporation | Antifouling coating for sensor transducers used for monitoring fluid properties |
| US9851319B2 (en) * | 2013-05-03 | 2017-12-26 | Halliburton Energy Services, Inc. | Non-contact fluid resistivity measurement |
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1971
- 1971-08-05 DE DE2139206A patent/DE2139206C3/de not_active Expired
-
1972
- 1972-07-20 US US00273514A patent/US3821894A/en not_active Expired - Lifetime
- 1972-08-03 JP JP7799572A patent/JPS556847B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2139206B2 (de) | 1974-01-10 |
| US3821894A (en) | 1974-07-02 |
| JPS556847B2 (ja) | 1980-02-20 |
| DE2139206A1 (de) | 1973-02-15 |
| DE2139206C3 (de) | 1980-09-04 |