FR2176812A1 - - Google Patents
Info
- Publication number
- FR2176812A1 FR2176812A1 FR7309541A FR7309541A FR2176812A1 FR 2176812 A1 FR2176812 A1 FR 2176812A1 FR 7309541 A FR7309541 A FR 7309541A FR 7309541 A FR7309541 A FR 7309541A FR 2176812 A1 FR2176812 A1 FR 2176812A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
-
- 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
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7203663A NL7203663A (zh) | 1972-03-18 | 1972-03-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2176812A1 true FR2176812A1 (zh) | 1973-11-02 |
FR2176812B1 FR2176812B1 (zh) | 1977-08-05 |
Family
ID=19815649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7309541A Expired FR2176812B1 (zh) | 1972-03-18 | 1973-03-16 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3902090A (zh) |
JP (1) | JPS4912669A (zh) |
AU (1) | AU5320173A (zh) |
BE (1) | BE796926A (zh) |
CA (1) | CA963074A (zh) |
FR (1) | FR2176812B1 (zh) |
GB (1) | GB1389636A (zh) |
NL (1) | NL7203663A (zh) |
SE (1) | SE382526B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57212454A (en) * | 1981-06-24 | 1982-12-27 | Fuji Photo Film Co Ltd | Electrophotographic receptor |
DE3716485C1 (de) * | 1987-05-16 | 1988-11-24 | Heraeus Gmbh W C | Xenon-Kurzbogen-Entladungslampe |
US6561675B1 (en) | 1995-01-27 | 2003-05-13 | Digital Projection Limited | Rectangular beam generating light source |
US5627430A (en) * | 1994-06-29 | 1997-05-06 | Ushiodenki Kabushiki Kaisha | Discharge lamp having a cathode with a sintered tip insert |
JP3614042B2 (ja) * | 1999-07-05 | 2005-01-26 | ウシオ電機株式会社 | 放電ランプ |
KR20010112865A (ko) * | 2000-06-15 | 2001-12-22 | 김병관 | 가스 방전등의 전극 장치 |
DE10062974A1 (de) * | 2000-12-16 | 2002-06-20 | Philips Corp Intellectual Pty | Hochdruckgasentladungslampe und Verfahren zu ihrer Herstellung |
JP2003242933A (ja) * | 2002-02-15 | 2003-08-29 | Toshiba Lighting & Technology Corp | メタルハライドランプおよび自動車用前照灯装置 |
JP2010232023A (ja) * | 2009-03-27 | 2010-10-14 | Ushio Inc | ショートアーク型放電ランプ |
CN104115254B (zh) * | 2012-02-15 | 2016-10-19 | 株式会社东芝 | 放电灯用阴极部件 |
US20160211130A1 (en) | 2013-09-27 | 2016-07-21 | Philips Lighting Holding B.V. | Electrode for a short-arc high pressure lamp |
JP1679442S (zh) * | 2020-02-07 | 2021-02-15 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB626303A (en) * | 1946-04-17 | 1949-07-13 | Gen Electric Co Ltd | Improvements in and relating to mercury vapour lamps |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687489A (en) * | 1952-06-26 | 1954-08-24 | Hanovia Chemical & Mfg Co | Electrode |
DE1151877B (de) * | 1961-11-27 | 1963-07-25 | Patra Patent Treuhand | Kathode fuer eine Hochdruckentladungslampe, vorzugsweise Edelgashochdrucklampe |
US3263115A (en) * | 1962-05-23 | 1966-07-26 | Gen Electric | Dispenser cathode and method of manufacture |
-
1972
- 1972-03-18 NL NL7203663A patent/NL7203663A/xx unknown
-
1973
- 1973-02-21 US US334466A patent/US3902090A/en not_active Expired - Lifetime
- 1973-03-12 AU AU53201/73A patent/AU5320173A/en not_active Expired
- 1973-03-12 CA CA165,783A patent/CA963074A/en not_active Expired
- 1973-03-15 SE SE7303610A patent/SE382526B/xx unknown
- 1973-03-15 JP JP48029513A patent/JPS4912669A/ja active Pending
- 1973-03-15 GB GB1241373A patent/GB1389636A/en not_active Expired
- 1973-03-16 BE BE128927A patent/BE796926A/xx not_active IP Right Cessation
- 1973-03-16 FR FR7309541A patent/FR2176812B1/fr not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB626303A (en) * | 1946-04-17 | 1949-07-13 | Gen Electric Co Ltd | Improvements in and relating to mercury vapour lamps |
Also Published As
Publication number | Publication date |
---|---|
GB1389636A (en) | 1975-04-03 |
SE382526B (sv) | 1976-02-02 |
CA963074A (en) | 1975-02-18 |
US3902090A (en) | 1975-08-26 |
JPS4912669A (zh) | 1974-02-04 |
DE2311620B2 (de) | 1976-10-07 |
AU5320173A (en) | 1974-09-12 |
BE796926A (fr) | 1973-09-17 |
DE2311620A1 (de) | 1973-09-27 |
NL7203663A (zh) | 1973-09-20 |
FR2176812B1 (zh) | 1977-08-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |