FR2220119A1 - - Google Patents
Info
- Publication number
- FR2220119A1 FR2220119A1 FR7347108A FR7347108A FR2220119A1 FR 2220119 A1 FR2220119 A1 FR 2220119A1 FR 7347108 A FR7347108 A FR 7347108A FR 7347108 A FR7347108 A FR 7347108A FR 2220119 A1 FR2220119 A1 FR 2220119A1
- 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
- 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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
- H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
- H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00337419A US3819981A (en) | 1973-03-02 | 1973-03-02 | Automatic start circuit for lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2220119A1 true FR2220119A1 (enrdf_load_stackoverflow) | 1974-09-27 |
FR2220119B1 FR2220119B1 (enrdf_load_stackoverflow) | 1976-11-19 |
Family
ID=23320475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7347108A Expired FR2220119B1 (enrdf_load_stackoverflow) | 1973-03-02 | 1973-12-28 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3819981A (enrdf_load_stackoverflow) |
AU (1) | AU476777B2 (enrdf_load_stackoverflow) |
CA (1) | CA984897A (enrdf_load_stackoverflow) |
DE (1) | DE2409927B2 (enrdf_load_stackoverflow) |
FR (1) | FR2220119B1 (enrdf_load_stackoverflow) |
GB (1) | GB1429205A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4438370A (en) * | 1981-03-03 | 1984-03-20 | Isco, Inc. | Lamp circuit |
US4939421A (en) * | 1986-06-23 | 1990-07-03 | Motorola, Inc. | Method and apparatus for reducing interference from light sources |
US4742276A (en) * | 1986-07-25 | 1988-05-03 | The Perkin-Elmer Corporation | Regulated deuterium arc supply system |
US4792727A (en) * | 1987-10-05 | 1988-12-20 | Gte Products Corporation | System and method for operating a discharge lamp to obtain positive volt-ampere characteristic |
FR2736434B1 (fr) * | 1995-07-07 | 1997-09-12 | Secomam Sa | Spectrophotometre portatif et autonome pour l'analyse spectrale aux ultraviolets, d'echantillons liquides |
US8314977B2 (en) * | 2007-03-23 | 2012-11-20 | Ricoh Company, Ltd. | Image reading device and image forming apparatus |
-
1973
- 1973-03-02 US US00337419A patent/US3819981A/en not_active Expired - Lifetime
- 1973-10-24 CA CA184,116A patent/CA984897A/en not_active Expired
- 1973-10-29 AU AU61931/73A patent/AU476777B2/en not_active Expired
- 1973-10-30 GB GB5035073A patent/GB1429205A/en not_active Expired
- 1973-12-28 FR FR7347108A patent/FR2220119B1/fr not_active Expired
-
1974
- 1974-03-01 DE DE19742409927 patent/DE2409927B2/de active Granted
Non-Patent Citations (2)
Title |
---|
REVUE NL ELECTRONICA, 21 DECEMBRE 1965, VOL. 18, NO. 450. PAGES 808 A 811, ARTICLE DE J.VAN * |
TURNHOUT: "EEN VOEDINGSAPPARAAT MET STROOMSTABILISATIE VOOR SUPERHOGEDRUK KWIKLAMP".) * |
Also Published As
Publication number | Publication date |
---|---|
GB1429205A (en) | 1976-03-24 |
US3819981A (en) | 1974-06-25 |
CA984897A (en) | 1976-03-02 |
FR2220119B1 (enrdf_load_stackoverflow) | 1976-11-19 |
DE2409927A1 (de) | 1974-09-26 |
DE2409927B2 (de) | 1976-04-08 |
AU6193173A (en) | 1975-05-01 |
AU476777B2 (en) | 1976-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |