JPS55500625A - - Google Patents
Info
- Publication number
- JPS55500625A JPS55500625A JP50143079A JP50143079A JPS55500625A JP S55500625 A JPS55500625 A JP S55500625A JP 50143079 A JP50143079 A JP 50143079A JP 50143079 A JP50143079 A JP 50143079A JP S55500625 A JPS55500625 A JP S55500625A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2881—Load circuits; Control thereof
- H05B41/2882—Load circuits; Control thereof the control resulting from an action on the static converter
- H05B41/2883—Load circuits; Control thereof the control resulting from an action on the static converter the controlled element being a DC/AC converter in the final stage, e.g. by harmonic mode starting
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7835585 | 1978-09-05 | ||
| GB7905917 | 1979-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55500625A true JPS55500625A (no) | 1980-09-11 |
Family
ID=26268745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50143079A Pending JPS55500625A (no) | 1978-09-05 | 1979-09-05 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0020390A1 (no) |
| JP (1) | JPS55500625A (no) |
| WO (1) | WO1980000647A1 (no) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2212995A (en) * | 1987-10-23 | 1989-08-02 | Rockwell International Corp | Fluorescent lamp dimmer |
| US4885671A (en) * | 1988-03-24 | 1989-12-05 | General Electric Company | Pulse-by-pulse current mode controlled power supply |
| US4945278A (en) * | 1988-09-20 | 1990-07-31 | Loong-Tun Chang | Fluorescent tube power supply |
| JP2003032444A (ja) * | 2001-07-16 | 2003-01-31 | Minebea Co Ltd | イメージ入力装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1049976B (no) * | ||||
| GB1243531A (en) * | 1968-08-28 | 1971-08-18 | Mullar Ltd | Inverter circuits |
| US3648106A (en) * | 1970-02-24 | 1972-03-07 | Westinghouse Electric Corp | Dynamic reactorless high-frequency vapor lamp ballast |
| US3654537A (en) * | 1970-04-29 | 1972-04-04 | Westinghouse Electric Corp | High efficiency power supply for charging capacitors in steps |
-
1979
- 1979-09-05 JP JP50143079A patent/JPS55500625A/ja active Pending
- 1979-09-05 WO PCT/GB1979/000147 patent/WO1980000647A1/en unknown
-
1980
- 1980-04-09 EP EP79901079A patent/EP0020390A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0020390A1 (en) | 1981-01-07 |
| WO1980000647A1 (en) | 1980-04-03 |