IT1112920B - Circuito zavorra a comando diretto particolarmente per lampade fluorescenti - Google Patents
Circuito zavorra a comando diretto particolarmente per lampade fluorescentiInfo
- Publication number
- IT1112920B IT1112920B IT22874/79A IT2287479A IT1112920B IT 1112920 B IT1112920 B IT 1112920B IT 22874/79 A IT22874/79 A IT 22874/79A IT 2287479 A IT2287479 A IT 2287479A IT 1112920 B IT1112920 B IT 1112920B
- Authority
- IT
- Italy
- Prior art keywords
- fluorescent lamps
- ballast circuit
- directly operated
- operated ballast
- directly
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5383—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement
- H02M7/53846—Control circuits
- H02M7/53862—Control circuits using transistor type converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5383—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement
- H02M7/53846—Control circuits
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
-
- 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
- Y10S315/05—Starting and operating circuit for fluorescent lamp
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/908,044 US4188660A (en) | 1978-05-22 | 1978-05-22 | Direct drive ballast circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7922874A0 IT7922874A0 (it) | 1979-05-21 |
IT1112920B true IT1112920B (it) | 1986-01-20 |
Family
ID=25425061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22874/79A IT1112920B (it) | 1978-05-22 | 1979-05-21 | Circuito zavorra a comando diretto particolarmente per lampade fluorescenti |
Country Status (9)
Country | Link |
---|---|
US (1) | US4188660A (it) |
JP (1) | JPS54156367A (it) |
BE (1) | BE876395A (it) |
CA (1) | CA1097728A (it) |
DE (1) | DE2920053A1 (it) |
FR (1) | FR2427001A1 (it) |
GB (1) | GB2021335B (it) |
IT (1) | IT1112920B (it) |
NL (1) | NL7903971A (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322789A (en) * | 1979-06-29 | 1982-03-30 | Mere, Malleray & Cie | Static converter of symmetrical type |
US4282462A (en) * | 1979-10-16 | 1981-08-04 | General Electric Company | Arc lamp lighting unit with means to prevent prolonged application of starting potentials |
EP0113855A1 (en) * | 1982-12-16 | 1984-07-25 | NILSSEN, Ole Kristian | Limited-power fluorescent ceiling lighting system |
JPH0691750B2 (ja) * | 1983-01-14 | 1994-11-14 | 松下電工株式会社 | インバータ装置 |
US5977721A (en) * | 1983-02-22 | 1999-11-02 | Nilssen; Ole K. | Controlled power-factor-corrected ballast |
JPS6059978A (ja) * | 1983-09-12 | 1985-04-06 | Toshiba Corp | 空気調和機 |
SE444496B (sv) * | 1984-08-02 | 1986-04-14 | Innocap Ab | Kopplingsanordning for drivning av gasurladdningsror |
US4712170A (en) * | 1985-04-25 | 1987-12-08 | Power Modifications Incorporated | Power supply having tuned radio frequency circuit |
US4717863A (en) * | 1986-02-18 | 1988-01-05 | Zeiler Kenneth T | Frequency modulation ballast circuit |
US4642745A (en) * | 1986-03-03 | 1987-02-10 | General Electric Company | Power circuit with high input power factor and a regulated output |
US4704563A (en) * | 1986-05-09 | 1987-11-03 | General Electric Company | Fluorescent lamp operating circuit |
JPS6345798A (ja) * | 1986-08-12 | 1988-02-26 | 株式会社 東宏企画 | 電子安定器 |
US4999547A (en) * | 1986-09-25 | 1991-03-12 | Innovative Controls, Incorporated | Ballast for high pressure sodium lamps having constant line and lamp wattage |
US4937470A (en) * | 1988-05-23 | 1990-06-26 | Zeiler Kenneth T | Driver circuit for power transistors |
EP0392834B1 (en) * | 1989-04-14 | 1995-02-15 | TLG plc | Ballast circuits for gas discharge lamps |
US5068573A (en) * | 1990-09-20 | 1991-11-26 | North American Philips Corporation | Power supply with energy storage for improved voltage regulation |
US5144195B1 (en) * | 1991-05-28 | 1995-01-03 | Motorola Lighting Inc | Circuit for driving at least one gas discharge lamp |
US5416388A (en) * | 1993-12-09 | 1995-05-16 | Motorola Lighting, Inc. | Electronic ballast with two transistors and two transformers |
US5608295A (en) * | 1994-09-02 | 1997-03-04 | Valmont Industries, Inc. | Cost effective high performance circuit for driving a gas discharge lamp load |
JP3508884B2 (ja) * | 1994-09-27 | 2004-03-22 | 東芝ライテック株式会社 | 無電極放電灯用点灯装置、無電極放電灯点灯装置および照明装置 |
US5806055A (en) * | 1996-12-19 | 1998-09-08 | Zinda, Jr.; Kenneth L. | Solid state ballast system for metal halide lighting using fuzzy logic control |
US5838552A (en) * | 1997-04-01 | 1998-11-17 | Lucent Technologies Inc | Asymmetrical power converter and method of operation thereof |
US8035318B2 (en) * | 2008-06-30 | 2011-10-11 | Neptun Light, Inc. | Apparatus and method enabling fully dimmable operation of a compact fluorescent lamp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104715A (en) * | 1977-03-10 | 1978-08-01 | Acme Electric Corp. | Alternating current to alternating current converter apparatus |
US4109307A (en) * | 1977-05-04 | 1978-08-22 | Gte Sylvania Incorporated | High power factor conversion circuitry |
US4127795A (en) * | 1977-08-19 | 1978-11-28 | Gte Sylvania Incorporated | Lamp ballast circuit |
US4127893A (en) * | 1977-08-17 | 1978-11-28 | Gte Sylvania Incorporated | Tuned oscillator ballast circuit with transient compensating means |
-
1978
- 1978-05-22 US US05/908,044 patent/US4188660A/en not_active Expired - Lifetime
-
1979
- 1979-05-04 CA CA326,927A patent/CA1097728A/en not_active Expired
- 1979-05-18 DE DE19792920053 patent/DE2920053A1/de not_active Withdrawn
- 1979-05-21 BE BE2/57808A patent/BE876395A/xx unknown
- 1979-05-21 IT IT22874/79A patent/IT1112920B/it active
- 1979-05-21 NL NL7903971A patent/NL7903971A/xx not_active Application Discontinuation
- 1979-05-21 GB GB7917657A patent/GB2021335B/en not_active Expired
- 1979-05-21 FR FR7912889A patent/FR2427001A1/fr not_active Withdrawn
- 1979-05-22 JP JP6374079A patent/JPS54156367A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2427001A1 (fr) | 1979-12-21 |
DE2920053A1 (de) | 1979-11-29 |
US4188660A (en) | 1980-02-12 |
CA1097728A (en) | 1981-03-17 |
GB2021335B (en) | 1982-06-23 |
GB2021335A (en) | 1979-11-28 |
JPS54156367A (en) | 1979-12-10 |
IT7922874A0 (it) | 1979-05-21 |
NL7903971A (nl) | 1979-11-26 |
BE876395A (fr) | 1979-09-17 |
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