CA1133583A - Frequency sensitive switching circuit - Google Patents
Frequency sensitive switching circuitInfo
- Publication number
- CA1133583A CA1133583A CA341,825A CA341825A CA1133583A CA 1133583 A CA1133583 A CA 1133583A CA 341825 A CA341825 A CA 341825A CA 1133583 A CA1133583 A CA 1133583A
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- control signal
- power
- frequency
- switching device
- 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
- 230000004044 response Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 29
- 244000182067 Fraxinus ornus Species 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000010891 electric arc Methods 0.000 claims 1
- 230000002411 adverse Effects 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 description 10
- 239000000306 component Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 102100035683 Axin-2 Human genes 0.000 description 1
- 101700047552 Axin-2 Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Thyristor Switches And Gates (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US974,300 | 1978-12-29 | ||
| US05/974,300 US4229681A (en) | 1978-12-29 | 1978-12-29 | Frequency/sensitive switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1133583A true CA1133583A (en) | 1982-10-12 |
Family
ID=25521869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA341,825A Expired CA1133583A (en) | 1978-12-29 | 1979-12-13 | Frequency sensitive switching circuit |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4229681A (OSRAM) |
| JP (1) | JPS5592549A (OSRAM) |
| BE (1) | BE880925A (OSRAM) |
| CA (1) | CA1133583A (OSRAM) |
| DE (1) | DE2952584A1 (OSRAM) |
| GB (1) | GB2039450B (OSRAM) |
| NL (1) | NL7909341A (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060458A3 (de) * | 1981-03-16 | 1983-08-03 | Koch Elektronik + Apparatebau AG | Einrichtung zur Helligkeitsregulierung einer Fluoreszenzlampe |
| US4755792A (en) * | 1985-06-13 | 1988-07-05 | Black & Decker Inc. | Security control system |
| US4885507A (en) * | 1987-07-21 | 1989-12-05 | Ham Byung I | Electronic starter combined with the L-C ballast of a fluorescent lamp |
| DE3815250A1 (de) * | 1988-05-05 | 1989-11-09 | Munch Paul Jean | Duschtrennwand |
| US5047691A (en) * | 1989-11-29 | 1991-09-10 | Gte Products Corporation | High-pass t-networks with integral transformer for gaseous discharge lamps |
| DE4205517C2 (de) * | 1992-02-24 | 1994-02-17 | Norbert H L Dr Ing Koster | Stromflußgesteuerte Schaltvorrichtung |
| IT1298256B1 (it) * | 1998-02-17 | 1999-12-20 | Sgs Thomson Microelectronics | Dispositivo elettronico per cancellare un picco di corrente di carica in stadi rlc di uscita di regolatori switching step-up |
| KR101630093B1 (ko) * | 2014-12-29 | 2016-06-13 | 주식회사 효성 | 고전압 ｄｃ 차단기 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3473101A (en) * | 1968-08-13 | 1969-10-14 | Sprague Electric Co | Proportional firing circuit |
| US3644755A (en) * | 1969-04-21 | 1972-02-22 | Texas Instruments Inc | Power control system |
| US3971010A (en) * | 1974-05-28 | 1976-07-20 | Ff & L Industries, Inc. | Ballasted load control system and method |
| US4169259A (en) * | 1978-06-05 | 1979-09-25 | Gte Sylvania Incorporated | Frequency sensitive switching circuit |
-
1978
- 1978-12-29 US US05/974,300 patent/US4229681A/en not_active Expired - Lifetime
-
1979
- 1979-12-13 CA CA341,825A patent/CA1133583A/en not_active Expired
- 1979-12-21 GB GB7944124A patent/GB2039450B/en not_active Expired
- 1979-12-28 BE BE2/58305A patent/BE880925A/fr not_active IP Right Cessation
- 1979-12-28 NL NL7909341A patent/NL7909341A/nl not_active Application Discontinuation
- 1979-12-28 DE DE19792952584 patent/DE2952584A1/de active Granted
- 1979-12-28 JP JP17397279A patent/JPS5592549A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2952584A1 (de) | 1980-07-10 |
| GB2039450B (en) | 1983-01-26 |
| DE2952584C2 (OSRAM) | 1988-08-25 |
| US4229681A (en) | 1980-10-21 |
| JPS5592549A (en) | 1980-07-14 |
| BE880925A (fr) | 1980-04-16 |
| NL7909341A (nl) | 1980-07-01 |
| GB2039450A (en) | 1980-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |