MX143878A - Mejoras en un metodo y circuito para mejorar el color de lamparas de vapor de sodio de alta presion - Google Patents
Mejoras en un metodo y circuito para mejorar el color de lamparas de vapor de sodio de alta presionInfo
- Publication number
- MX143878A MX143878A MX167706A MX16770677A MX143878A MX 143878 A MX143878 A MX 143878A MX 167706 A MX167706 A MX 167706A MX 16770677 A MX16770677 A MX 16770677A MX 143878 A MX143878 A MX 143878A
- Authority
- MX
- Mexico
- Prior art keywords
- color
- improve
- circuit
- high pressure
- pressure sodium
- Prior art date
Links
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64990076A | 1976-01-16 | 1976-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX143878A true MX143878A (es) | 1981-07-29 |
Family
ID=24606691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX167706A MX143878A (es) | 1976-01-16 | 1977-01-14 | Mejoras en un metodo y circuito para mejorar el color de lamparas de vapor de sodio de alta presion |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4137484A (es) |
| JP (2) | JPS5298370A (es) |
| BE (1) | BE850386A (es) |
| BR (1) | BR7700316A (es) |
| DE (1) | DE2657824C2 (es) |
| ES (2) | ES455092A1 (es) |
| FR (1) | FR2338620A1 (es) |
| GB (1) | GB1575831A (es) |
| MX (1) | MX143878A (es) |
| NL (1) | NL7700200A (es) |
| SU (1) | SU679173A3 (es) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641070A1 (de) * | 1986-12-02 | 1988-06-16 | Philips Patentverwaltung | Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen mittels eines impulsfoermigen versorgungsstromes |
| US4839565A (en) * | 1987-04-03 | 1989-06-13 | General Electric Company | High pressure double wall sodium arc tube and methods of operating such |
| US4884009A (en) * | 1987-12-18 | 1989-11-28 | Gte Products Corporation | Color selectable source for pulsed arc discharge lamps |
| US4928038A (en) * | 1988-09-26 | 1990-05-22 | General Electric Company | Power control circuit for discharge lamp and method of operating same |
| US4999546A (en) * | 1989-01-30 | 1991-03-12 | Kabushiki Kaisha Denkosha | Starting device for discharge tube |
| US4961020A (en) * | 1989-03-03 | 1990-10-02 | General Electric Company | Sodium vapor lamp for sonic pulse operation |
| DE3941799A1 (de) * | 1989-05-19 | 1990-11-22 | Sautter Kg | Lichtquelle und verfahren zu deren steuerung |
| DD293021A5 (de) * | 1990-03-16 | 1991-08-14 | Komb. Veb Narva "Rosa Luxemburg",De | Verfahren zum impulsbetrieb von hochdruckentladungslampen |
| EP0462780A1 (en) * | 1990-06-18 | 1991-12-27 | General Electric Company | Shield for high pressure discharge lamps |
| DE4039186A1 (de) * | 1990-12-05 | 1992-06-11 | Narva Gluehlampen | Schaltungsanordnung zum impulsbetrieb von hochdruckentladungslampen |
| US5262701A (en) * | 1991-03-15 | 1993-11-16 | U.S. Philips Corporation | Circuit arrangement for operating a high pressure sodium lamp |
| US5357173A (en) * | 1992-11-05 | 1994-10-18 | General Electric Company | Ballast circuit arrangement for a high pressure sodium lamp |
| GB9408386D0 (en) * | 1994-04-28 | 1994-06-22 | Flowil Int Lighting | Discharge lamp for enhancing photosynthesis |
| US5592052A (en) * | 1995-06-13 | 1997-01-07 | Matsushita Electric Works R&D Laboratory | Variable color temperature fluorescent lamp |
| US5637965A (en) * | 1995-10-18 | 1997-06-10 | Matsushita Electric Works R&D Laboratory, Inc. | Low pressure sodium-mercury lamp yielding substantially white light |
| US5684367A (en) | 1996-01-16 | 1997-11-04 | Osram Sylvania Inc. | Color control and arc stabilization for high-intensity, discharge lamps |
| JP2001006611A (ja) * | 1999-06-14 | 2001-01-12 | Matsushita Electric Works Ltd | 高輝度放電ランプ |
| US6184633B1 (en) * | 1999-06-17 | 2001-02-06 | Philips Electronics North America Corporation | Reduction of vertical segregation in a discharge lamp |
| US6680582B1 (en) * | 2000-10-06 | 2004-01-20 | Koninklijke Philips Electronics N.V. | System and method for employing pulse width modulation for reducing vertical segregation in a gas discharge lamp |
| AU2003268762A1 (en) * | 2002-10-10 | 2004-05-04 | Matsushita Electric Industrial Co., Ltd. | Ceramic metal halide lamp |
| US7372210B2 (en) * | 2003-10-01 | 2008-05-13 | Snap-On Incorporated | Method and apparatus for lamp heat control |
| JP2007536721A (ja) | 2004-05-10 | 2007-12-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 放電ランプの動作のための方法及び回路配置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR824740A (fr) * | 1936-07-30 | 1938-02-15 | Ver Gluehlampen & Elek Ag | Procédé et dispositif pour l'éclairage avec des lampes à arc à vapeur métallique à haute pression |
| US2938149A (en) * | 1957-05-02 | 1960-05-24 | Gen Electric | Pulse circuit for arc lamp |
| US3248590A (en) * | 1963-03-01 | 1966-04-26 | Gen Electric | High pressure sodium vapor lamp |
| US3521108A (en) * | 1968-07-17 | 1970-07-21 | Gen Electric | Metallic vapor arc-lamp having high intensity sun-like emission |
| US3624447A (en) * | 1969-06-25 | 1971-11-30 | Westinghouse Electric Corp | Method of operating a high-pressure gaseous discharge lamp with improved efficiency |
| GB1280735A (en) * | 1969-08-29 | 1972-07-05 | Matsushita Electronics Corp | High pressure metal-vapour discharge tube |
| US3707649A (en) * | 1970-07-20 | 1972-12-26 | Denver Research Inst | Intermittent arc illumination source |
| US3898504A (en) * | 1970-12-09 | 1975-08-05 | Matsushita Electronics Corp | High pressure metal vapor discharge lamp |
| US3914649A (en) * | 1974-05-06 | 1975-10-21 | Xerox Corp | Pulsed metal or metal halide lamps for photocopying applications |
| US4052636A (en) * | 1976-08-02 | 1977-10-04 | General Electric Company | High pressure sodium vapor lamp stabilized for pulse operation |
-
1976
- 1976-12-21 DE DE2657824A patent/DE2657824C2/de not_active Expired
-
1977
- 1977-01-10 NL NL7700200A patent/NL7700200A/xx not_active Application Discontinuation
- 1977-01-12 GB GB1220/77A patent/GB1575831A/en not_active Expired
- 1977-01-13 FR FR7700827A patent/FR2338620A1/fr active Granted
- 1977-01-14 MX MX167706A patent/MX143878A/es unknown
- 1977-01-14 JP JP254277A patent/JPS5298370A/ja active Granted
- 1977-01-14 BE BE174083A patent/BE850386A/xx not_active IP Right Cessation
- 1977-01-14 SU SU772439814A patent/SU679173A3/ru active
- 1977-01-15 ES ES455092A patent/ES455092A1/es not_active Expired
- 1977-01-15 ES ES455091A patent/ES455091A1/es not_active Expired
- 1977-01-17 BR BR7700316A patent/BR7700316A/pt unknown
- 1977-06-13 US US05/806,301 patent/US4137484A/en not_active Expired - Lifetime
-
1987
- 1987-04-28 JP JP62103466A patent/JPS62295396A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU679173A3 (ru) | 1979-08-05 |
| FR2338620A1 (fr) | 1977-08-12 |
| BE850386A (fr) | 1977-07-14 |
| ES455092A1 (es) | 1978-04-16 |
| FR2338620B1 (es) | 1981-07-03 |
| ES455091A1 (es) | 1977-12-16 |
| JPS62295396A (ja) | 1987-12-22 |
| AU2053276A (en) | 1978-04-20 |
| DE2657824C2 (de) | 1983-08-04 |
| DE2657824A1 (de) | 1977-07-21 |
| JPS6137760B2 (es) | 1986-08-26 |
| GB1575831A (en) | 1980-10-01 |
| US4137484A (en) | 1979-01-30 |
| JPH0211998B2 (es) | 1990-03-16 |
| BR7700316A (pt) | 1977-09-20 |
| JPS5298370A (en) | 1977-08-18 |
| NL7700200A (nl) | 1977-07-19 |
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