NL121718C - - Google Patents
Info
- Publication number
- NL121718C NL121718C NL291218A NL291218A NL121718C NL 121718 C NL121718 C NL 121718C NL 291218 A NL291218 A NL 291218A NL 291218 A NL291218 A NL 291218A NL 121718 C NL121718 C NL 121718C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL291218A NL121718C (en) | 1963-04-05 | 1963-04-05 | |
| GB13643/64A GB1011991A (en) | 1963-04-05 | 1964-04-01 | Improvements in or relating to circuit arrangements including a discharge tube |
| CH417464A CH406426A (en) | 1963-04-05 | 1964-04-02 | Device with a gas and / or vapor discharge lamp |
| AT286564A AT239920B (en) | 1963-04-05 | 1964-04-02 | Device with a gas and / or vapor discharge lamp |
| DK164264AA DK107046C (en) | 1963-04-05 | 1964-04-02 | Apparatus with a discharge tube containing gas or vapor or both. |
| ES0298259A ES298259A1 (en) | 1963-04-05 | 1964-04-03 | Improvements in or relating to circuit arrangements including a discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL291218A NL121718C (en) | 1963-04-05 | 1963-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL121718C true NL121718C (en) | 1967-05-16 |
Family
ID=19754598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL291218A NL121718C (en) | 1963-04-05 | 1963-04-05 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT239920B (en) |
| CH (1) | CH406426A (en) |
| DK (1) | DK107046C (en) |
| ES (1) | ES298259A1 (en) |
| GB (1) | GB1011991A (en) |
| NL (1) | NL121718C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631450A (en) * | 1983-12-28 | 1986-12-23 | North American Philips Lighting Corporation | Ballast adaptor for improving operation of fluorescent lamps |
| US5606222A (en) * | 1994-12-29 | 1997-02-25 | Philips Electronics North America Corporation | Lighting system with a device for reducing system wattage |
-
1963
- 1963-04-05 NL NL291218A patent/NL121718C/nl active
-
1964
- 1964-04-01 GB GB13643/64A patent/GB1011991A/en not_active Expired
- 1964-04-02 CH CH417464A patent/CH406426A/en unknown
- 1964-04-02 DK DK164264AA patent/DK107046C/en active
- 1964-04-02 AT AT286564A patent/AT239920B/en active
- 1964-04-03 ES ES0298259A patent/ES298259A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH406426A (en) | 1966-01-31 |
| AT239920B (en) | 1965-05-10 |
| GB1011991A (en) | 1965-12-01 |
| DK107046C (en) | 1967-04-17 |
| ES298259A1 (en) | 1964-06-01 |