IT1097621B - Circuito zavorra per lampade - Google Patents
Circuito zavorra per lampadeInfo
- Publication number
- IT1097621B IT1097621B IT26541/78A IT2654178A IT1097621B IT 1097621 B IT1097621 B IT 1097621B IT 26541/78 A IT26541/78 A IT 26541/78A IT 2654178 A IT2654178 A IT 2654178A IT 1097621 B IT1097621 B IT 1097621B
- Authority
- IT
- Italy
- Prior art keywords
- lamps
- ballast circuit
- ballast
- circuit
- 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
- H02M7/53832—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 in a push-pull arrangement
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H05B41/282—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 with semiconductor devices
- H05B41/2825—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 with semiconductor devices by means of a bridge converter in the final stage
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 |
---|---|---|---|
US05/826,541 US4127893A (en) | 1977-08-17 | 1977-08-17 | Tuned oscillator ballast circuit with transient compensating means |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7826541A0 IT7826541A0 (it) | 1978-08-07 |
IT1097621B true IT1097621B (it) | 1985-08-31 |
Family
ID=25246824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26541/78A IT1097621B (it) | 1977-08-17 | 1978-08-07 | Circuito zavorra per lampade |
Country Status (7)
Country | Link |
---|---|
US (1) | US4127893A (it) |
BE (1) | BE867571A (it) |
CA (1) | CA1097727A (it) |
DE (1) | DE2835044A1 (it) |
GB (1) | GB1603688A (it) |
IT (1) | IT1097621B (it) |
NL (1) | NL7805503A (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4188660A (en) * | 1978-05-22 | 1980-02-12 | Gte Sylvania Incorporated | Direct drive ballast circuit |
US4188661A (en) * | 1979-02-23 | 1980-02-12 | Gte Sylvania Incorporated | Direct drive ballast with starting circuit |
US4199710A (en) * | 1979-02-12 | 1980-04-22 | Gte Sylvania Incorporated | Ballast circuit for high intensity discharge (HID) lamps |
US4322789A (en) * | 1979-06-29 | 1982-03-30 | Mere, Malleray & Cie | Static converter of symmetrical type |
US4259616A (en) * | 1979-07-09 | 1981-03-31 | Gte Products Corporation | Multiple gaseous lamp electronic ballast circuit |
DE2950411C2 (de) * | 1979-12-14 | 1986-07-03 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen | Gleichrichtervorrichtung mit gesiebter Ausgangsspannung |
ZA83299B (en) † | 1982-01-15 | 1983-10-26 | Minitronics Pty Ltd | Electronic high frequency controlled device for operating gas discharge lamps |
CA1238078A (en) * | 1982-07-12 | 1988-06-14 | William C. Knoll | Output circuit for an electronic ballast system |
AT375499B (de) * | 1982-12-02 | 1984-08-10 | Zumtobel Ag | Wechselrichterschaltung |
US5977721A (en) * | 1983-02-22 | 1999-11-02 | Nilssen; Ole K. | Controlled power-factor-corrected ballast |
WO1985003813A1 (en) * | 1984-02-16 | 1985-08-29 | Fanuc Ltd | High frequency noise absorbing circuit |
US4642745A (en) * | 1986-03-03 | 1987-02-10 | General Electric Company | Power circuit with high input power factor and a regulated output |
US4943886A (en) * | 1989-02-10 | 1990-07-24 | Etta Industries, Inc. | Circuitry for limiting current between power inverter output terminals and ground |
DE4243403A1 (de) * | 1992-11-04 | 1994-07-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Freischwingende Stromversorgungsschaltung |
US6534926B1 (en) | 2000-04-12 | 2003-03-18 | Tmc Enterprises, A Division Of Tasco Industries, Inc. | Portable fluorescent drop-light |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB909969A (it) * | 1958-07-26 | |||
US3611021A (en) * | 1970-04-06 | 1971-10-05 | North Electric Co | Control circuit for providing regulated current to lamp load |
US3754160A (en) * | 1971-10-28 | 1973-08-21 | Radiant Ind Inc | Four-lamp driver circuit for fluorescent lamps |
US3758841A (en) * | 1971-11-11 | 1973-09-11 | Gen Motors Corp | Dc to ac static power converter with short circuit protection |
US3723848A (en) * | 1972-04-17 | 1973-03-27 | Martin Marietta Corp | Electrical power inverter with sinusoidal output |
US3889153A (en) * | 1973-10-01 | 1975-06-10 | Iota Engineering Inc | Power source for fluorescent lamps and the like |
US4045711A (en) * | 1976-03-19 | 1977-08-30 | Gte Sylvania Incorporated | Tuned oscillator ballast circuit |
US4075476A (en) * | 1976-12-20 | 1978-02-21 | Gte Sylvania Incorporated | Sinusoidal wave oscillator ballast circuit |
-
1977
- 1977-08-17 US US05/826,541 patent/US4127893A/en not_active Expired - Lifetime
-
1978
- 1978-05-22 NL NL7805503A patent/NL7805503A/xx not_active Application Discontinuation
- 1978-05-25 GB GB22818/78A patent/GB1603688A/en not_active Expired
- 1978-05-29 BE BE2057021A patent/BE867571A/xx unknown
- 1978-05-29 CA CA304,305A patent/CA1097727A/en not_active Expired
- 1978-08-07 IT IT26541/78A patent/IT1097621B/it active
- 1978-08-10 DE DE19782835044 patent/DE2835044A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1603688A (en) | 1981-11-25 |
IT7826541A0 (it) | 1978-08-07 |
US4127893A (en) | 1978-11-28 |
BE867571A (fr) | 1978-09-18 |
DE2835044A1 (de) | 1979-03-01 |
CA1097727A (en) | 1981-03-17 |
NL7805503A (nl) | 1979-02-20 |
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