FR964341A - - Google Patents
Info
- Publication number
- FR964341A FR964341A FR964341DA FR964341A FR 964341 A FR964341 A FR 964341A FR 964341D A FR964341D A FR 964341DA FR 964341 A FR964341 A FR 964341A
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US740201A US2454564A (en) | 1947-04-08 | 1947-04-08 | Ionization-type vacuum gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR964341A true FR964341A (US20100012521A1-20100121-C00001.png) | 1950-08-10 |
Family
ID=24975470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR964341D Expired FR964341A (US20100012521A1-20100121-C00001.png) | 1947-04-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2454564A (US20100012521A1-20100121-C00001.png) |
| FR (1) | FR964341A (US20100012521A1-20100121-C00001.png) |
| GB (1) | GB644418A (US20100012521A1-20100121-C00001.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3067346A (en) * | 1959-12-07 | 1962-12-04 | Sylvania Electric Prod | Ionization vacuum gauge |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735062A (en) * | 1956-02-14 | Q striker | ||
| US2595611A (en) * | 1947-04-24 | 1952-05-06 | Atomic Energy Commission | Ionization gauge |
| US2573005A (en) * | 1948-07-03 | 1951-10-30 | Nicholas D Glyptis | Ionization gauge and method of operation |
| US2582647A (en) * | 1949-01-04 | 1952-01-15 | Phillips Petroleum Co | Method and means for indicating changes in the composition of a gas |
| US2560952A (en) * | 1949-02-25 | 1951-07-17 | Rca Corp | Quantitative gas measuring |
| US2605431A (en) * | 1950-03-30 | 1952-07-29 | Westinghouse Electric Corp | Ionization vacuum gauge |
| US2625586A (en) * | 1950-04-14 | 1953-01-13 | Bell Telephone Labor Inc | Apparatus for measuring gas pressures |
| US2636146A (en) * | 1950-05-26 | 1953-04-21 | Univ California | Ion gauge |
| US2758233A (en) * | 1951-09-12 | 1956-08-07 | Gen Electric | Electric discharge device for gas pressure determination |
| US2750560A (en) * | 1951-09-25 | 1956-06-12 | Bendix Aviat Corp | Electron discharge tube |
| US2727167A (en) * | 1952-04-18 | 1955-12-13 | Westinghouse Electric Corp | Ion pump |
| NL92807C (US20100012521A1-20100121-C00001.png) * | 1953-06-15 | |||
| BE534261A (US20100012521A1-20100121-C00001.png) * | 1953-12-21 | |||
| US3001128A (en) * | 1958-08-27 | 1961-09-19 | Nat Res Corp | Measuring |
| US2972690A (en) * | 1959-07-28 | 1961-02-21 | Nat Company Inc | Ion pump and gauge |
| US3149279A (en) * | 1959-12-18 | 1964-09-15 | Burrell Corp | Gas phase detection by electron emission and ionization |
| US3190772A (en) * | 1960-02-10 | 1965-06-22 | Berghaus Bernhard | Method of hardening work in an electric glow discharge |
| US3181028A (en) * | 1962-03-29 | 1965-04-27 | Itt | Ion transport vacuum pump |
| JP5127042B2 (ja) * | 2005-05-09 | 2013-01-23 | 株式会社アンペール | 電離真空計 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1844319A (en) * | 1929-09-25 | 1932-02-09 | Hatt Emil | Means for producing radio waves |
| US2073078A (en) * | 1933-02-25 | 1937-03-09 | Rca Corp | Electron discharge device |
| US2217417A (en) * | 1939-03-31 | 1940-10-08 | Bell Telephone Labor Inc | Electron discharge apparatus |
| BE461798A (US20100012521A1-20100121-C00001.png) * | 1942-03-11 | |||
| US2375280A (en) * | 1943-03-02 | 1945-05-08 | Bell Telephone Labor Inc | Manometer circuits |
-
0
- FR FR964341D patent/FR964341A/fr not_active Expired
-
1947
- 1947-04-08 US US740201A patent/US2454564A/en not_active Expired - Lifetime
-
1948
- 1948-04-07 GB GB9751/48A patent/GB644418A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3067346A (en) * | 1959-12-07 | 1962-12-04 | Sylvania Electric Prod | Ionization vacuum gauge |
Also Published As
| Publication number | Publication date |
|---|---|
| US2454564A (en) | 1948-11-23 |
| GB644418A (en) | 1950-10-11 |
