GB715794A - Improvements in or relating to indirectly heated electric discharge tubes - Google Patents
Improvements in or relating to indirectly heated electric discharge tubesInfo
- Publication number
- GB715794A GB715794A GB25430/52A GB2543052A GB715794A GB 715794 A GB715794 A GB 715794A GB 25430/52 A GB25430/52 A GB 25430/52A GB 2543052 A GB2543052 A GB 2543052A GB 715794 A GB715794 A GB 715794A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- insulating cylinder
- filament
- indentations
- sleeve
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL715794X | 1951-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB715794A true GB715794A (en) | 1954-09-22 |
Family
ID=19814946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25430/52A Expired GB715794A (en) | 1951-10-13 | 1952-10-10 | Improvements in or relating to indirectly heated electric discharge tubes |
Country Status (6)
Country | Link |
---|---|
US (1) | US2870366A (fr) |
BE (1) | BE514709A (fr) |
DE (1) | DE927521C (fr) |
FR (1) | FR1064299A (fr) |
GB (1) | GB715794A (fr) |
NL (1) | NL84125C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127617A (en) * | 1981-12-11 | 1984-04-11 | Tokyo Shibaura Electric Co | Cathode structure for electron tube |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE973812C (de) * | 1954-01-20 | 1960-06-15 | Siemens Ag | Mittelbar geheizte Kathode fuer elektrische Entladungsgefaesse mit einer rohrfoermig ausgebildeten Kathodenhuelse |
BE572249A (fr) * | 1957-10-23 | |||
US2973449A (en) * | 1957-10-23 | 1961-02-28 | Philips Corp | Electric discharge tube |
NL275209A (fr) * | 1961-02-24 | |||
US3214628A (en) * | 1962-06-11 | 1965-10-26 | Rca Corp | Cathode assembly for electron tube |
US3287080A (en) * | 1963-06-27 | 1966-11-22 | Rca Corp | Electron tube mount and method of making the same |
DE1614495B1 (de) * | 1967-04-10 | 1971-03-11 | Siemens Ag | Mittelbar geheizte vorratskathode für elektrische entladungsgefässe |
DE1933309B2 (de) * | 1969-07-01 | 1971-05-06 | Indirekt geheizte gluehkathode | |
US3767958A (en) * | 1971-12-23 | 1973-10-23 | Gte Sylvania Inc | Electron discharge device having increased heater-cathode breakdown voltage |
FR2186706B1 (fr) * | 1972-06-02 | 1974-12-27 | Commissariat Energie Atomique |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL27733C (fr) * | 1928-05-21 | |||
US1974448A (en) * | 1930-04-05 | 1934-09-25 | Henry L Crowley & Co Inc | Indirectly heated cathode and insulator assembly |
US2079057A (en) * | 1931-06-01 | 1937-05-04 | Raytheon Production Corp | Thermionic cathode |
US1982885A (en) * | 1932-04-02 | 1934-12-04 | Stupakoff Lab Inc | Insulator and cathode embodying the same |
US2081415A (en) * | 1934-09-05 | 1937-05-25 | Bell Telephone Labor Inc | Electron emitter |
-
0
- BE BE514709D patent/BE514709A/xx unknown
- NL NL84125D patent/NL84125C/xx active
-
1952
- 1952-10-01 US US312592A patent/US2870366A/en not_active Expired - Lifetime
- 1952-10-10 FR FR1064299D patent/FR1064299A/fr not_active Expired
- 1952-10-10 GB GB25430/52A patent/GB715794A/en not_active Expired
- 1952-10-11 DE DEN6206A patent/DE927521C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127617A (en) * | 1981-12-11 | 1984-04-11 | Tokyo Shibaura Electric Co | Cathode structure for electron tube |
Also Published As
Publication number | Publication date |
---|---|
NL84125C (fr) | |
FR1064299A (fr) | 1954-05-12 |
DE927521C (de) | 1955-05-09 |
US2870366A (en) | 1959-01-20 |
BE514709A (fr) |
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