CA988987A - Vapor discharge lamp electrode having carbon-coated areas - Google Patents
Vapor discharge lamp electrode having carbon-coated areasInfo
- Publication number
- CA988987A CA988987A CA200,454A CA200454A CA988987A CA 988987 A CA988987 A CA 988987A CA 200454 A CA200454 A CA 200454A CA 988987 A CA988987 A CA 988987A
- Authority
- CA
- Canada
- Prior art keywords
- carbon
- discharge lamp
- vapor discharge
- lamp electrode
- coated areas
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/04—Incandescent bodies characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00363571A US3826946A (en) | 1973-05-24 | 1973-05-24 | Vapor discharge lamp electrode having carbon-coated areas |
Publications (1)
Publication Number | Publication Date |
---|---|
CA988987A true CA988987A (en) | 1976-05-11 |
Family
ID=23430763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA200,454A Expired CA988987A (en) | 1973-05-24 | 1974-05-21 | Vapor discharge lamp electrode having carbon-coated areas |
Country Status (6)
Country | Link |
---|---|
US (1) | US3826946A (en) |
JP (1) | JPS5733664B2 (en) |
BE (1) | BE815335A (en) |
CA (1) | CA988987A (en) |
DE (1) | DE2424974C3 (en) |
GB (1) | GB1465107A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2732060C2 (en) * | 1976-07-19 | 1986-06-12 | Thorn Emi Ltd., London | Electric fluorescent lamp |
JPS5816737B2 (en) * | 1978-04-24 | 1983-04-01 | 株式会社日立製作所 | Oxide cathode for electron tubes |
JPS58144564U (en) * | 1982-03-24 | 1983-09-29 | 協和工業有限会社 | bobbin |
JPS59126487A (en) * | 1983-01-11 | 1984-07-21 | Toyo Soda Mfg Co Ltd | Sheet for criminal identification |
JPH0635569B2 (en) * | 1985-09-04 | 1994-05-11 | バンドー化学株式会社 | Pressure sensitive adhesive sheet |
US5117160C1 (en) * | 1989-06-23 | 2001-07-31 | Nec Corp | Rare gas discharge lamp |
US5349265A (en) * | 1990-03-16 | 1994-09-20 | Lemelson Jerome H | Synthetic diamond coated electrodes and filaments |
NL9002771A (en) * | 1990-12-17 | 1992-07-16 | Philips Nv | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
DE69526657T2 (en) * | 1995-12-01 | 2003-02-06 | Koninklijke Philips Electronics N.V., Eindhoven | Low-pressure discharge lamp |
US20060175973A1 (en) * | 2005-02-07 | 2006-08-10 | Lisitsyn Igor V | Xenon lamp |
DE102009054670A1 (en) * | 2009-12-15 | 2011-06-16 | Osram Gesellschaft mit beschränkter Haftung | Electrode i.e. anode, for use in e.g. xenon- or mercury-vapor short-arc lamp, has core extending in longitudinal direction and partially surrounded by cylindrical shell that is made of material, where material consists of carbon |
US8134294B2 (en) * | 2010-05-25 | 2012-03-13 | General Electric Company | Low pressure discharge lamps with coated inner wires for improved lumen maintenance |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6700099A (en) * | 1967-01-04 | 1968-07-05 | ||
US3706895A (en) * | 1971-02-17 | 1972-12-19 | Gen Electric | Fluorescent lamp having coated inleads |
-
1973
- 1973-05-24 US US00363571A patent/US3826946A/en not_active Expired - Lifetime
-
1974
- 1974-05-02 GB GB1935874A patent/GB1465107A/en not_active Expired
- 1974-05-20 JP JP5569174A patent/JPS5733664B2/ja not_active Expired
- 1974-05-21 BE BE144567A patent/BE815335A/en not_active IP Right Cessation
- 1974-05-21 CA CA200,454A patent/CA988987A/en not_active Expired
- 1974-05-22 DE DE2424974A patent/DE2424974C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2424974C3 (en) | 1979-04-12 |
GB1465107A (en) | 1977-02-23 |
DE2424974A1 (en) | 1974-12-12 |
JPS5733664B2 (en) | 1982-07-19 |
DE2424974B2 (en) | 1978-08-03 |
JPS5020582A (en) | 1975-03-04 |
BE815335A (en) | 1974-09-16 |
US3826946A (en) | 1974-07-30 |
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