BE669866A - - Google Patents
Info
- Publication number
- BE669866A BE669866A BE669866DA BE669866A BE 669866 A BE669866 A BE 669866A BE 669866D A BE669866D A BE 669866DA BE 669866 A BE669866 A BE 669866A
- Authority
- BE
- Belgium
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
- H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
- H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2026—Gas discharge type light sources, e.g. arcs
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2053—Intensity control of illuminating light
-
- 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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
- H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
- H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6411006A NL6411006A (xx) | 1964-09-22 | 1964-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE669866A true BE669866A (xx) |
Family
ID=19791071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE669866D BE669866A (xx) | 1964-09-22 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3443154A (xx) |
BE (1) | BE669866A (xx) |
DK (1) | DK114361B (xx) |
ES (1) | ES317611A1 (xx) |
NL (1) | NL6411006A (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3953763A (en) * | 1975-04-23 | 1976-04-27 | General Electric Company | Pulsed xenon arc lamp operating circuit |
US4013921A (en) * | 1975-06-02 | 1977-03-22 | Austin Electronics, Inc. | Warning light control |
US4262234A (en) * | 1979-10-12 | 1981-04-14 | Burroughs Corporation | SCR Lamp supply trigger circuit |
US4808886A (en) * | 1985-08-26 | 1989-02-28 | Lathom Michael S | Switched capacitive ballasts for discharge lamps |
US5010279A (en) * | 1985-08-26 | 1991-04-23 | Lathom Michael S | Switched capacitive ballasts for discharge lamps |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3031599A (en) * | 1959-12-21 | 1962-04-24 | Miehle Goss Dexter Inc | Alternate discharge multiple flash lamp circuit and control |
US3127540A (en) * | 1961-01-31 | 1964-03-31 | Rotax Ltd | Spark ignition apparatus |
US3211964A (en) * | 1963-04-05 | 1965-10-12 | Ampex | Actuator power supply |
-
0
- BE BE669866D patent/BE669866A/xx unknown
-
1964
- 1964-09-22 NL NL6411006A patent/NL6411006A/xx unknown
-
1965
- 1965-09-18 DK DK480965AA patent/DK114361B/da unknown
- 1965-09-20 ES ES0317611A patent/ES317611A1/es not_active Expired
- 1965-09-20 US US488505A patent/US3443154A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL6411006A (xx) | 1966-03-23 |
DK114361B (da) | 1969-06-23 |
US3443154A (en) | 1969-05-06 |
ES317611A1 (es) | 1965-12-01 |