JPH0557726B2 - - Google Patents
Info
- Publication number
- JPH0557726B2 JPH0557726B2 JP58092593A JP9259383A JPH0557726B2 JP H0557726 B2 JPH0557726 B2 JP H0557726B2 JP 58092593 A JP58092593 A JP 58092593A JP 9259383 A JP9259383 A JP 9259383A JP H0557726 B2 JPH0557726 B2 JP H0557726B2
- Authority
- JP
- Japan
- Prior art keywords
- primary
- transformer
- cavity
- magnetic flux
- cylindrical section
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Cable Accessories (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US382511 | 1982-05-27 | ||
US06/382,511 US4453109A (en) | 1982-05-27 | 1982-05-27 | Magnetic transformer switch and combination thereof with a discharge lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58215010A JPS58215010A (ja) | 1983-12-14 |
JPH0557726B2 true JPH0557726B2 (en]) | 1993-08-24 |
Family
ID=23509279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58092593A Granted JPS58215010A (ja) | 1982-05-27 | 1983-05-27 | 漏れリアクタンス変成器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4453109A (en]) |
JP (1) | JPS58215010A (en]) |
GB (1) | GB2120863A (en]) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547705A (en) * | 1982-03-20 | 1985-10-15 | Tdk Corporation | Discharge lamp lightening device |
US4616159A (en) * | 1983-08-22 | 1986-10-07 | The North American Manufacturing Company | Driving circuit for pulsating radiation detector |
US4748380A (en) * | 1983-09-27 | 1988-05-31 | North American Philips Corporation | Compact fluorescent lamp assembly having improved thermal dissipation and RFI suppression |
US4689524A (en) * | 1985-10-04 | 1987-08-25 | Alexander Ureche | Fluorescent lamp ballast |
US5256939A (en) * | 1985-10-24 | 1993-10-26 | Nilssen Ole K | Magnetic electronic fluorescent lamp ballast |
US4873471A (en) * | 1986-03-28 | 1989-10-10 | Thomas Industries Inc. | High frequency ballast for gaseous discharge lamps |
AU2308088A (en) * | 1987-08-21 | 1989-03-09 | Alton Electronics Corp. | Electronic ballast for fluorescent lamps |
WO1992001334A1 (en) * | 1987-12-11 | 1992-01-23 | Murray Scott V | Magnetic structure and power converter for light sources |
US4952849A (en) * | 1988-07-15 | 1990-08-28 | North American Philips Corporation | Fluorescent lamp controllers |
US5187414A (en) * | 1988-07-15 | 1993-02-16 | North American Philips Corporation | Fluorescent lamp controllers |
US5003230A (en) * | 1989-05-26 | 1991-03-26 | North American Philips Corporation | Fluorescent lamp controllers with dimming control |
US5652479A (en) * | 1995-01-25 | 1997-07-29 | Micro Linear Corporation | Lamp out detection for miniature cold cathode fluorescent lamp system |
US5844378A (en) * | 1995-01-25 | 1998-12-01 | Micro Linear Corp | High side driver technique for miniature cold cathode fluorescent lamp system |
US5754012A (en) * | 1995-01-25 | 1998-05-19 | Micro Linear Corporation | Primary side lamp current sensing for minature cold cathode fluorescent lamp system |
US5818669A (en) * | 1996-07-30 | 1998-10-06 | Micro Linear Corporation | Zener diode power dissipation limiting circuit |
US5825223A (en) * | 1996-07-30 | 1998-10-20 | Micro Linear Corporation | Technique for controlling the slope of a periodic waveform |
US5965989A (en) * | 1996-07-30 | 1999-10-12 | Micro Linear Corporation | Transformer primary side lamp current sense circuit |
US5896015A (en) * | 1996-07-30 | 1999-04-20 | Micro Linear Corporation | Method and circuit for forming pulses centered about zero crossings of a sinusoid |
US6072282A (en) * | 1997-12-02 | 2000-06-06 | Power Circuit Innovations, Inc. | Frequency controlled quick and soft start gas discharge lamp ballast and method therefor |
US5933340A (en) * | 1997-12-02 | 1999-08-03 | Power Circuit Innovations, Inc. | Frequency controller with loosely coupled transformer having a shunt with a gap and method therefor |
US6088249A (en) * | 1997-12-02 | 2000-07-11 | Power Circuit Innovations, Inc. | Frequency modulated ballast with loosely coupled transformer |
US6232727B1 (en) * | 1998-10-07 | 2001-05-15 | Micro Linear Corporation | Controlling gas discharge lamp intensity with power regulation and end of life protection |
US6344980B1 (en) | 1999-01-14 | 2002-02-05 | Fairchild Semiconductor Corporation | Universal pulse width modulating power converter |
US7445660B2 (en) | 2005-04-27 | 2008-11-04 | Carleton Life Support Systems, Inc. | Method for operating gas generators in tandem |
US8188682B2 (en) * | 2006-07-07 | 2012-05-29 | Maxim Integrated Products, Inc. | High current fast rise and fall time LED driver |
US20080258629A1 (en) * | 2007-04-20 | 2008-10-23 | Rensselaer Polytechnic Institute | Apparatus and method for extracting power from and controlling temperature of a fluorescent lamp |
US8169762B2 (en) * | 2009-04-20 | 2012-05-01 | Energy Safe Technologies, Inc. | Relay with current transformer |
CN110221159B (zh) * | 2019-07-18 | 2020-08-21 | 杭州电力设备制造有限公司 | 一种基于铁芯漏磁的变压器的故障检测方法、系统及设备 |
WO2021056004A2 (en) * | 2019-08-05 | 2021-03-25 | Thermo Scientific Portable Analytical Instruments Inc. | Pot core transformer with magnetic shunt |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS422581Y1 (en]) * | 1965-02-04 | 1967-02-16 | ||
GB1326392A (en) * | 1970-11-14 | 1973-08-08 | Dobson Park Ind | Fluorescent lamp and other circuits |
JPS53494A (en) * | 1976-06-25 | 1978-01-06 | Riken Piston Ring Ind Co Ltd | Method and apparatus for chamfering edges of notcheo fitting portion of pcston ring |
US4129805A (en) * | 1977-12-05 | 1978-12-12 | Sherman Eli H | Impulse generator for use with phosphor energizable lamps |
GB1603140A (en) * | 1978-03-23 | 1981-11-18 | Walz Alfred | Constant-current transformer |
US4388562A (en) * | 1980-11-06 | 1983-06-14 | Astec Components, Ltd. | Electronic ballast circuit |
-
1982
- 1982-05-27 US US06/382,511 patent/US4453109A/en not_active Expired - Lifetime
-
1983
- 1983-05-23 GB GB08314230A patent/GB2120863A/en not_active Withdrawn
- 1983-05-27 JP JP58092593A patent/JPS58215010A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58215010A (ja) | 1983-12-14 |
US4453109A (en) | 1984-06-05 |
GB8314230D0 (en) | 1983-06-29 |
GB2120863A (en) | 1983-12-07 |
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