GB658799A - Improvements in or relating to electric discharge lamps - Google Patents
Improvements in or relating to electric discharge lampsInfo
- Publication number
- GB658799A GB658799A GB33034/48A GB3303448A GB658799A GB 658799 A GB658799 A GB 658799A GB 33034/48 A GB33034/48 A GB 33034/48A GB 3303448 A GB3303448 A GB 3303448A GB 658799 A GB658799 A GB 658799A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electric discharge
- lamp
- discharge lamps
- chambers
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/90—Lamps suitable only for intermittent operation, e.g. flash lamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
658,799. Lamp caps. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Dec. 22, 1948, No. 33034. Convention date, Feb. 27. [Class 38 (i)] [Also in Group XL (a)] A discharge lamp 11 comprises a vitreous refractory translucent tube 12 preferably fused quartz, magnesia or alumina to the ends of which larger glass chambers 15, 16 are sealed (see Group XL (a)). The chambers are completed by sealing thereon metal caps 18, 19 to which are brazed the lamp electrodes 13, 14 in a non-oxidizing atmosphere.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11714A US2654043A (en) | 1948-02-27 | 1948-02-27 | Discharge lamp, method of operating, and method of making |
Publications (1)
Publication Number | Publication Date |
---|---|
GB658799A true GB658799A (en) | 1951-10-10 |
Family
ID=21751661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33034/48A Expired GB658799A (en) | 1948-02-27 | 1948-12-22 | Improvements in or relating to electric discharge lamps |
Country Status (6)
Country | Link |
---|---|
US (1) | US2654043A (en) |
CH (1) | CH275958A (en) |
DE (1) | DE830984C (en) |
FR (1) | FR981735A (en) |
GB (1) | GB658799A (en) |
NL (1) | NL144070C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125684A (en) * | 1964-03-17 | Attys | ||
US2904713A (en) * | 1952-07-15 | 1959-09-15 | Heraeus Schott Quarzschmelze | Casings for gas discharge tubes and lamps and process |
US2893289A (en) * | 1953-03-09 | 1959-07-07 | Harold E Edgerton | Microscope flash-photography system and apparatus |
DE1025562B (en) * | 1954-07-28 | 1958-03-06 | Richard Wolf | Photo endoscope with electronic flash tube |
DE1046773B (en) * | 1955-03-31 | 1958-12-18 | Physikalisch Tech Werkstaetten | Gas discharge lamp |
NL230426A (en) * | 1957-09-17 | |||
US2939984A (en) * | 1957-11-21 | 1960-06-07 | Edgerton Germeshausen & Grier | Flash device and method |
US3056904A (en) * | 1958-10-20 | 1962-10-02 | Minnesota Mining & Mfg | Thermoprinting apparatus and method |
US3179213A (en) * | 1960-03-14 | 1965-04-20 | Eitel Mccullough Inc | Dielectric window and method of making it |
DE1256281B (en) * | 1963-09-20 | 1967-12-14 | Csf | Standard noise source for the millimeter band |
US3449615A (en) * | 1965-03-25 | 1969-06-10 | Us Navy | Xenon flash lamp for laser pumping in liquid nitrogen |
US3476969A (en) * | 1967-02-16 | 1969-11-04 | Westinghouse Electric Corp | Capillary ceramic discharge lamp with closure means therefor |
US3569754A (en) * | 1968-06-19 | 1971-03-09 | Dyonics Inc | Flash source |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1877932A (en) * | 1926-12-10 | 1932-09-20 | Electrons Inc | Electric lamp |
US2182732A (en) * | 1926-12-10 | 1939-12-05 | Gen Electric | Metal vapor lamp |
US2056641A (en) * | 1928-03-24 | 1936-10-06 | Gen Electric | Electric discharge tube |
US1882609A (en) * | 1928-06-08 | 1932-10-11 | Los Angeles Testing Lab | Electroluminous display |
GB361804A (en) * | 1930-07-07 | 1931-11-26 | Gen Electric Co Ltd | Improvements in electric luminous discharge tubes |
US1935697A (en) * | 1931-07-28 | 1933-11-21 | Gen Electric | Gaseous electric discharge device |
US2116429A (en) * | 1935-10-14 | 1938-05-03 | Gen Electric | Assembly for discharge devices |
US2142047A (en) * | 1935-10-29 | 1938-12-27 | Hygrade Sylvania Corp | Electric discharge lamp |
US2213796A (en) * | 1936-03-12 | 1940-09-03 | Gen Electric | Gaseous electric discharge lamp device |
US2385397A (en) * | 1937-01-21 | 1945-09-25 | Westinghouse Electric Corp | Discharge lamp and application thereof |
US2341541A (en) * | 1939-01-31 | 1944-02-15 | Grier Herbert Earle | Flash-producing apparatus |
US2267318A (en) * | 1939-03-21 | 1941-12-23 | Gen Electric | Electrode and terminal structure for electric discharge devices |
US2254909A (en) * | 1939-03-28 | 1941-09-02 | Westinghouse Electric & Mfg Co | Ultraviolet discharge lamp |
US2241968A (en) * | 1939-06-21 | 1941-05-13 | Gen Electric | Light source |
US2295626A (en) * | 1939-09-30 | 1942-09-15 | Westinghouse Electric & Mfg Co | Discharge lamp and method of manufacture |
US2399222A (en) * | 1941-11-08 | 1946-04-30 | Germeshausen Kenneth Joseph | Flash-photography apparatus |
US2367595A (en) * | 1942-02-07 | 1945-01-16 | Westinghouse Electric & Mfg Co | High temperature lamp |
US2433218A (en) * | 1945-06-12 | 1947-12-23 | Herzog Carl | Cold cathode fluorescent lamp |
-
0
- NL NL144070D patent/NL144070C/xx active
-
1948
- 1948-02-27 US US11714A patent/US2654043A/en not_active Expired - Lifetime
- 1948-12-22 GB GB33034/48A patent/GB658799A/en not_active Expired
-
1949
- 1949-01-31 CH CH275958D patent/CH275958A/en unknown
- 1949-02-24 FR FR981735D patent/FR981735A/en not_active Expired
-
1950
- 1950-05-28 DE DEW2231A patent/DE830984C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR981735A (en) | 1951-05-30 |
US2654043A (en) | 1953-09-29 |
NL144070C (en) | |
DE830984C (en) | 1952-02-11 |
CH275958A (en) | 1951-06-15 |
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