CA1128604A - Energy conserving automatic light output system - Google Patents
Energy conserving automatic light output systemInfo
- Publication number
- CA1128604A CA1128604A CA297,162A CA297162A CA1128604A CA 1128604 A CA1128604 A CA 1128604A CA 297162 A CA297162 A CA 297162A CA 1128604 A CA1128604 A CA 1128604A
- Authority
- CA
- Canada
- Prior art keywords
- ballast
- lamp
- current
- voltage
- light
- Prior art date
- 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.)
- Expired
Links
- 230000001939 inductive effect Effects 0.000 claims abstract description 23
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 12
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 28
- 239000000306 component Substances 0.000 description 13
- 230000007935 neutral effect Effects 0.000 description 13
- 238000010891 electric arc Methods 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 206010056740 Genital discharge Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 235000019988 mead Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 mercury ions Chemical class 0.000 description 1
- BQPIGGFYSBELGY-UHFFFAOYSA-N mercury(2+) Chemical compound [Hg+2] BQPIGGFYSBELGY-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 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
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident 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
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/40—Controlling the intensity of light discontinuously
- H05B41/42—Controlling the intensity of light discontinuously in two steps only
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84942777A | 1977-11-07 | 1977-11-07 | |
| US849,427 | 1977-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1128604A true CA1128604A (en) | 1982-07-27 |
Family
ID=25305752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA297,162A Expired CA1128604A (en) | 1977-11-07 | 1978-02-17 | Energy conserving automatic light output system |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5466572A (enExample) |
| AU (1) | AU527509B2 (enExample) |
| CA (1) | CA1128604A (enExample) |
| DE (1) | DE2848018A1 (enExample) |
| FR (1) | FR2408273A1 (enExample) |
| GB (1) | GB2007880B (enExample) |
| MX (1) | MX147049A (enExample) |
| NL (1) | NL7807659A (enExample) |
| SE (1) | SE7807725L (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1128605A (en) * | 1978-09-26 | 1982-07-27 | Controlled Environment Systems, Inc. | Energy conserving automatic light output system |
| EP0017615A1 (de) * | 1979-03-14 | 1980-10-15 | Peter Jucker | Vorrichtung zur Helligkeitssteuerung von Fluoreszenzlampen und ihre Verwendung |
| GB2145587B (en) * | 1983-08-25 | 1987-06-10 | Lutron Electronics Co | Gas discharging lamp dimming system |
| DE3524681A1 (de) * | 1985-07-11 | 1987-01-22 | Trilux Lenze Gmbh & Co Kg | Dimmerschaltung fuer ein elektronisches leuchtstofflampen-vorschaltgeraet |
| DE3633566A1 (de) * | 1986-10-02 | 1988-04-21 | Guenter Steinbach | Schaltungsanordnung fuer geregelte hochenergieimpulserzeugung fuer gasentladungsblitzlampen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1366032A (fr) * | 1963-05-03 | 1964-07-10 | Thomson Houston Comp Francaise | Dispositif pour le fonctionnement des appareils à décharge électrique |
| JPS4219891Y1 (enExample) * | 1964-12-29 | 1967-11-17 | ||
| US3422310A (en) * | 1965-06-14 | 1969-01-14 | Don F Widmayer | Apparatus for controlling current to load independent of load characteristics |
| FR1483350A (fr) * | 1966-06-14 | 1967-06-02 | Dispositif de réglage d'un courant électrique notamment celui fourni à une lampe à décharge en atmosphère gazeuse | |
| CH481550A (de) * | 1967-12-21 | 1969-11-15 | Frako Kondensatoren Und App Ba | Schaltungsanordnung mit einer Gasentladungslampe |
| US3603841A (en) * | 1968-03-01 | 1971-09-07 | Matsushita Electronics Corp | Fluorescent lamp device with luminosity control |
| US3909666A (en) * | 1973-12-26 | 1975-09-30 | Stanley N Tenen | Ballast circuit for gaseous discharge lamps |
| DE2646621A1 (de) * | 1976-10-15 | 1978-04-20 | Penguin Marketing Ltd | Vorschaltgeraet zum betrieb von gasentladungslampen |
-
1978
- 1978-02-17 CA CA297,162A patent/CA1128604A/en not_active Expired
- 1978-06-19 AU AU37238/78A patent/AU527509B2/en not_active Expired
- 1978-06-28 GB GB7828110A patent/GB2007880B/en not_active Expired
- 1978-07-11 SE SE7807725A patent/SE7807725L/xx unknown
- 1978-07-18 NL NL7807659A patent/NL7807659A/xx not_active Application Discontinuation
- 1978-07-28 FR FR7822385A patent/FR2408273A1/fr active Granted
- 1978-08-11 MX MX174511A patent/MX147049A/es unknown
- 1978-09-11 JP JP11080778A patent/JPS5466572A/ja active Pending
- 1978-11-06 DE DE19782848018 patent/DE2848018A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2408273B1 (enExample) | 1984-09-14 |
| AU527509B2 (en) | 1983-03-10 |
| FR2408273A1 (fr) | 1979-06-01 |
| NL7807659A (nl) | 1979-05-09 |
| GB2007880B (en) | 1982-09-08 |
| GB2007880A (en) | 1979-05-23 |
| AU3723878A (en) | 1980-01-03 |
| DE2848018A1 (de) | 1979-05-10 |
| SE7807725L (sv) | 1979-05-08 |
| JPS5466572A (en) | 1979-05-29 |
| MX147049A (es) | 1982-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |