NO116791B - - Google Patents
Download PDFInfo
- Publication number
- NO116791B NO116791B NO146748A NO14674862A NO116791B NO 116791 B NO116791 B NO 116791B NO 146748 A NO146748 A NO 146748A NO 14674862 A NO14674862 A NO 14674862A NO 116791 B NO116791 B NO 116791B
- Authority
- NO
- Norway
- Prior art keywords
- filament
- lamp
- filling
- wound
- nitrogen
- Prior art date
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 23
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 19
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 239000010937 tungsten Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 2
- 238000001704 evaporation Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 230000009172 bursting Effects 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007511 glassblowing Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- -1 nitro- Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/805—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Discharge Lamp (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US159688A US3253457A (en) | 1961-12-15 | 1961-12-15 | Apparatus for locating trouble sources which generate ultrasonic vibrations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO116791B true NO116791B (de) | 1969-05-19 |
Family
ID=22573576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO146748A NO116791B (de) | 1961-12-15 | 1962-12-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3253457A (de) |
| JP (1) | JPS3823701B1 (de) |
| GB (1) | GB956211A (de) |
| NO (1) | NO116791B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3500676A (en) * | 1968-03-15 | 1970-03-17 | Gulf Research Development Co | Methods and apparatus for detecting leaks |
| US3592967A (en) * | 1968-05-20 | 1971-07-13 | George A Harris | Ultrasonic detector |
| US3681750A (en) * | 1970-07-02 | 1972-08-01 | Gte Laboratories Inc | Object detection apparatus |
| GB1372724A (en) * | 1971-02-05 | 1974-11-06 | Ici Ltd | Detection of velocities of fluids in conduits |
| US4287581A (en) * | 1980-02-19 | 1981-09-01 | Neale Sr Dory J | Ultrasonic fluid leak detector |
| US4583405A (en) * | 1984-06-04 | 1986-04-22 | Simmons Levy M | Testing device |
| FI77347C (fi) * | 1987-04-23 | 1989-02-10 | Uuden Teknologian Keskus Oy | Anordning foer att goera laettare samtidigt tittande och lyssnande pao ett avlaegset objekt. |
| US5089997A (en) * | 1990-11-02 | 1992-02-18 | Pasar, Inc. | Ultrasonic energy detector with frequency and amplitude indications and background noise reduction |
| GB2337117B (en) | 1998-05-04 | 2001-04-04 | Csi Technology Inc | Digital ultrasonic monitoring system and method |
| EP1568144B1 (de) * | 2002-11-12 | 2013-06-12 | U-E Systems, Inc. | System und verfahren zum heterodynen eines ultraschallsignals |
| US7293454B2 (en) * | 2003-12-12 | 2007-11-13 | Avl North America Inc. | Anti-aliasing acoustic filter in the presence of pulsating flow |
| US9557365B2 (en) | 2013-03-14 | 2017-01-31 | Hubbell Incorporated | Apparatuses, systems and methods for detecting corona |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE576165C (de) * | 1933-05-08 | Universum Film Akt Ges | Einrichtung zur Tonaufnahme mit Mikrophon, insbesondere zu Tonfilmzwecken | |
| US1886914A (en) * | 1928-11-20 | 1932-11-08 | Mason Slichter & Gauld Inc | Locating leaks in reservoirs |
| US2031919A (en) * | 1931-04-25 | 1936-02-25 | Bell Telephone Labor Inc | Amplifying system |
| US2447333A (en) * | 1931-12-30 | 1948-08-17 | Us Navy | Ultra-audible sound reception |
| US2414695A (en) * | 1939-10-31 | 1947-01-21 | Rca Corp | Apparatus for locating sound sources |
| US2459162A (en) * | 1940-11-16 | 1949-01-18 | Harvey C Hayes | Acoustical sound locating device |
| US2324305A (en) * | 1941-01-30 | 1943-07-13 | Gen Electric | Sound stroboscope |
| US2460316A (en) * | 1944-07-31 | 1949-02-01 | Horace M Trent | Echo ranging and listening gear |
| BE502847A (de) * | 1951-04-25 | |||
| US3016457A (en) * | 1957-09-30 | 1962-01-09 | Gen Railway Signal Co | Detection means for improperly lubricated journals |
| US3019637A (en) * | 1959-03-24 | 1962-02-06 | Curtiss Wright Corp | Ultrasonic testing arrangement |
| US3192516A (en) * | 1961-11-14 | 1965-06-29 | Hewlett Packard Co | Vibration detector |
-
1961
- 1961-12-15 US US159688A patent/US3253457A/en not_active Expired - Lifetime
-
1962
- 1962-10-01 GB GB37145/62A patent/GB956211A/en not_active Expired
- 1962-12-08 NO NO146748A patent/NO116791B/no unknown
- 1962-12-15 JP JP5717162A patent/JPS3823701B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS3823701B1 (de) | 1963-11-07 |
| GB956211A (en) | 1964-04-22 |
| US3253457A (en) | 1966-05-31 |
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