JP2018538778A - ワークピース加熱用の微調整された出力を有する高周波電源システム - Google Patents
ワークピース加熱用の微調整された出力を有する高周波電源システム Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
- H01J19/04—Thermionic cathodes
- H01J19/14—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J19/16—Heaters
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
- B23K11/087—Seam welding not restricted to one of the preceding subgroups for rectilinear seams
- B23K11/0873—Seam welding not restricted to one of the preceding subgroups for rectilinear seams of the longitudinal seam of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/241—Electric supplies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
- B23K13/02—Seam welding
- B23K13/025—Seam welding for tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
- B23K13/08—Electric supply or control circuits therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
-
- 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
-
- 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
- H02M7/5387—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 bridge configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
-
- 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
- H02M7/4815—Resonant converters
- H02M7/4818—Resonant converters with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuits
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
- Inverter Devices (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
Description
図にて配置及び相互接続されるように、直列可変リアクトル24及び24’の第1ペアと、直列可変リアクトル24a及び24a’の第2ペアと、直列可変コンデンサ26及び26’の第1ペアと、直列可変コンデンサ26a及び26a’の第2ペアの組み合わせと、
図にて配置及び相互接続されるように、単相インバーター出力配線の間に並列に配置及び接続される並列可変リアクトル25及び25aのペアと、並列可変コンデンサ27a−27a’のペアの組み合わせと、
図に示すように、単相インバーター出力配線の間に並列に配置及び接続される並列可変コンデンサ27を備える。
は、アンペア毎秒での瞬時の電流変化率に等しい。
Claims (19)
- 溶接又はアニール工程においてワークピース負荷を加熱するための微調整された出力を有する高周波電源システムであって、
複数のブリッジスイッチング装置と単相インバーター出力配線を有するフルブリッジ又はハーフブリッジインバーターと、
単相インバーター出力配線に接続された制御網入力と、ワークピース負荷に接続された制御網出力を有するインバーター出力インピーダンス調整及び周波数制御網と、
複数のブリッジスイッチング装置への1つ又は複数のインバーター制御出力と、ワークピース負荷のワークピースインピーダンスとは独立した、単相インバーター出力配線からワークピース負荷への調整可能な電力伝送と単相インバーター出力配線からワークピース負荷への可変の出力周波数のためのインバーター出力インピーダンス調整及び周波数制御網における1つ又は複数の可変インピーダンス素子への1つ又は複数の制御網出力部を有するマイクロプロセッサーコントローラーを備える、高周波電源システム。 - 前記1つ又は複数の可変インピーダンス素子は、
単相インバーター出力配線に直列に配置及び接続された、直列可変リアクトルの第1ペア、直列可変リアクトルの第2ペア、直列可変コンデンサの第1ペア、及び直列可変コンデンサの第2ペアの組み合わせ;
単相インバーター出力配線の間に並列に配置及び接続された、並列可変リアクトルのペア、並列可変コンデンサのペアの組み合わせ;及び
単相インバーター出力配線の間に配置及び並列接続された並列可変リアクトルを備える、請求項1に記載の高周波電源システム。 - システムマイクロプロセッサーコントローラーは、1つ又は複数の制御網出力部から1つ又は複数の可変インピーダンス素子への調整可能なインピーダンス制御に組み合わせて、1つ又は複数のインバーター制御出力から複数のブリッジスイッチング装置のハードスイッチング制御を提供する、請求項1に記載の高周波電源システム。
- システムマイクロプロセッサーコントローラーは、1つ又は複数の制御網出力部から1つ又は複数の可変インピーダンス素子への調整可能なインピーダンス制御に組み合わせて、1つ又は複数のインバーター制御出力から複数のブリッジスイッチング装置のパルス幅変調可変スイッチング制御を提供する、請求項1に記載の高周波電源システム。
- マイクロプロセッサーコントローラーは、閉ループ制御を提供し、マイクロプロセッサーコントローラーに入力したユーザー選択出力周波数に高周波電源システム共振点を移動させ、
代替として、マイクロプロセッサーコントローラーは、ユーザー選択出力周波数に応答して、マイクロプロセッサー閉ループ出力を調整し、ワークピース負荷への電力伝送の最大出力を維持し、又は、高周波電源システムが共振点外に移動するため電力伝送の最大出力未満を提供する、請求項1に記載の高周波電源システム。 - マイクロプロセッサーコントローラーは、開ループ出力制御を提供し、高周波電源システム共振点がワークピース負荷のワークピースインピーダンスと変化し、代替的に、マイクロプロセッサー出力を調整し、電力伝送の最大出力を維持し、又は、高周波電源システムが共振点外に移動するため電力伝送の最大出力未満を維持する、請求項1に記載の高周波電源システム。
- 1つ又は複数の可変インピーダンス素子が少なくとも1つの可変リアクトルのペアを備え、少なくとも1つの可変リアクトルのペアが、
幾何学的な形状の可動なインサートコア;
定置の分割バスにして、幾何学的な形状の分割バス部内への幾何学的な形状のインサートコアの挿入の調整可能な位置を提供し、幾何学的な形状のインサートコアが完全に幾何学的な形状の分割バス部に挿入される時の最小インダクタンス値から幾何学的な形状のインサートコアと幾何学的な形状の分割バス部の間で形状付けられた挿入空間における可変エネルギー場が最大値になる位置に幾何学的な形状の分割バス部から引き出される時の最大インダクタンス値にリアクトルの幾何学的な形状のペアのインダクタンスを変更する幾何学的な形状のインサートコアに対して幾何学的な学的に相補的な形状を有する幾何学的な形状の分割バス部と、負荷整合及び周波数制御装置におけるリアクトルの幾何学的な形状のペアの電気接続のための分割電気バス端子部を備える、分割バス;及び
幾何学的な形状の分割バス部の内外に幾何学的な形状のインサートコアを挿入及び引き出すために幾何学的な形状のインサートコアに接続されたアクチュエーターを備える、請求項1に記載の高周波電源システム。 - 幾何学的な形状のインサートコアが、短絡した(short-circuited)導電性材料から形成される、請求項7に記載の高周波電源システム。
- 代替として、短絡した導電性材料が、銅シート又は固体銅インサートコアを備える、請求項8に記載の高周波電源システム。
- 代替として、幾何学的な形状の可動なインサートコアが、中実又は中空磁性材料から形成される、請求項7に記載の高周波電源システム。
- 中実又は中空磁性材料がフェライト又は複数のフェライトを含む、請求項10に記載の高周波電源システム。
- 幾何学的な形状の可動なインサートコア及び幾何学的な形状の分割バス部が、円錐部、くさび形部、又は放物線状円錐部の群から選択される、請求項7に記載の高周波電源システム。
- 少なくとも1つの可変リアクトルペアに直列に組み合わされる少なくとも1つの固定インダクターを更に備える、請求項7に記載の高周波電源システム。
- 少なくとも1つの可変リアクトルのペアの分割電気バス端子部が一緒に接続されて電気的に単一の可変リアクトルを形成する、請求項7に記載の高周波電源システム。
- 少なくとも1つの可変コンデンサのペアが、可変コンデンサのペアそれぞれの調整可能な層間プレート素子を備える、請求項2に記載の高周波電源システム。
- 統合された単一のユーザー入力制御装置を有し、電力と周波数の表示と熱影響ゾーンサイズと一緒に、高周波電源システムからの電力振幅出力と周波数出力を制御するヒト・機械・インターフェース制御パネルを更に備える、請求項1に記載の高周波電源システム。
- ワークピース負荷のワークピースインピーダンスとは独立して複数のスイッチング装置を有するフルブリッジ又はハーフブリッジインバーターからインバーター出力インピーダンス調整及び周波数制御網を介して溶接又はアニール工程において高周波電源システムからワークピース負荷へ高度に調整された電力及び周波数を制御する方法であって、
インバーター出力インピーダンス調整及び周波数制御網において少なくとも1つの幾何学的な形状の可変リアクトルのペア及び少なくとも1つの可変コンデンサのペアを提供すること;
複数のスイッチング装置をスイッチング制御すること;及び
インバーター出力インピーダンス調整及び周波数制御網からワークピース負荷への可変インピーダンスを制御することを含む、方法。 - 複数のスイッチング装置をスイッチング制御することが、複数のブリッジスイッチング装置のハードスイッチング制御を含み、
インバーター出力インピーダンス調整及び周波数制御網からワークピース負荷への可変インピーダンスを制御することが、ワークピース負荷のワークピースインピーダンスとは独立して少なくとも1つの幾何学的な形状の可変リアクトルのペア及び少なくとも1つの可変コンデンサのペアのインピーダンスを調整することを含む、請求項17に記載の方法。 - 複数のスイッチング装置をスイッチング制御することが、複数のブリッジスイッチング装置のパルス幅変調可変スイッチング制御を含み、
インバーター出力インピーダンス調整及び周波数制御網からワークピース負荷への可変インピーダンスを制御することが、ワークピース負荷のワークピースインピーダンスとは独立して少なくとも1つの幾何学的な形状の可変リアクトルのペア及び少なくとも1つの可変コンデンサのペアのインピーダンスを調整することを含む、請求項17に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562270880P | 2015-12-22 | 2015-12-22 | |
| US62/270,880 | 2015-12-22 | ||
| PCT/US2016/068326 WO2017112872A1 (en) | 2015-12-22 | 2016-12-22 | High frequency power supply system with closely regulated output for heating a workpiece |
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| JP2018538778A true JP2018538778A (ja) | 2018-12-27 |
| JP2018538778A5 JP2018538778A5 (ja) | 2020-02-20 |
| JP6921085B2 JP6921085B2 (ja) | 2021-08-18 |
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| US (2) | US10855194B2 (ja) |
| EP (1) | EP3394874B1 (ja) |
| JP (1) | JP6921085B2 (ja) |
| KR (1) | KR102753988B1 (ja) |
| CN (1) | CN108702096B (ja) |
| AU (1) | AU2016377688B2 (ja) |
| CA (1) | CA3008661C (ja) |
| ES (1) | ES3041928T3 (ja) |
| MX (1) | MX384942B (ja) |
| WO (1) | WO2017112872A1 (ja) |
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| FR3045982B1 (fr) * | 2015-12-18 | 2019-06-14 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cellule logique a faible consommation |
| CA3008661C (en) * | 2015-12-22 | 2025-06-03 | Thermatool Corp. | HIGH-FREQUENCY POWER SUPPLY SYSTEM WITH HIGHLY REGULATED OUTPUT FOR HEATING A WORKPIECE |
| KR20230026151A (ko) * | 2021-08-17 | 2023-02-24 | 엘지전자 주식회사 | 유도 가열 방식의 쿡탑 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03258270A (ja) * | 1990-03-08 | 1991-11-18 | Omron Corp | 高周波温熱治療装置の整合装置及び高周波温熱治療装置 |
| JPH0648196U (ja) * | 1991-08-20 | 1994-06-28 | 新日本電気産業株式会社 | 低周波誘導加熱電源装置 |
| US5902506A (en) * | 1995-12-08 | 1999-05-11 | Thermatool Corp. | Matching apparatus for connecting high frequency solid state electrical power generator to a load |
| JP2002066740A (ja) * | 2000-08-30 | 2002-03-05 | Daihen Corp | アーク加工用電源装置 |
| JP2004030965A (ja) * | 2002-06-21 | 2004-01-29 | Fuji Electric Holdings Co Ltd | 誘導加熱装置 |
| JP2011009432A (ja) * | 2009-06-25 | 2011-01-13 | Fuji Denki Thermosystems Kk | 可変リアクトル |
Family Cites Families (191)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2470443A (en) * | 1944-07-21 | 1949-05-17 | Mittelmann Eugene | Means for and method of continuously matching and controlling power for high-frequency heating of reactive loads |
| US2551756A (en) * | 1944-07-21 | 1951-05-08 | Mittelmann Eugene | High-frequency heating method and apparatus |
| GB613322A (en) | 1946-06-19 | 1948-11-25 | Morris Motors Ltd | Improvements relating to high-frequency induction heating apparatus |
| US2623176A (en) * | 1948-09-02 | 1952-12-23 | Hartford Nat Bank & Trust Co | High-frequency heating apparatus |
| US2715171A (en) * | 1953-10-07 | 1955-08-09 | Ohio Crankshaft Co | High-frequency inductor arrangement |
| US2774857A (en) * | 1954-08-23 | 1956-12-18 | Magnetic Heating Corp | Tube welding |
| US2856499A (en) * | 1957-02-28 | 1958-10-14 | Magnetic Heating Corp | Reactors for high frequency current |
| US3100851A (en) * | 1959-11-03 | 1963-08-13 | Ling Temco Vought Inc | High power synthetic waveform generator |
| US3074030A (en) * | 1960-01-19 | 1963-01-15 | Westinghouse Electric Corp | Bridge-type inverter network |
| US3109909A (en) * | 1960-01-27 | 1963-11-05 | Ohio Crankshaft Co | Adjustable inductor for induction heating |
| US3037105A (en) * | 1961-09-25 | 1962-05-29 | American Mach & Foundry | Methods and apparatus for the induction welding of tubing |
| US3217220A (en) * | 1961-12-29 | 1965-11-09 | Hughes Aircraft Co | Programmed digital to analog function generator motor control for an x-y plotter |
| US3225279A (en) * | 1961-12-29 | 1965-12-21 | Hughes Aircraft Co | Programmed digital to analog function generator motor control for an x-y plotter |
| US3369163A (en) * | 1961-12-29 | 1968-02-13 | Hughes Aircraft Co | Straight line motor control for an x-y plotter |
| US3145285A (en) * | 1963-06-19 | 1964-08-18 | American Mach & Foundry | Automatic temperature control for welding apparatus |
| US3386020A (en) * | 1965-08-02 | 1968-05-28 | Hughes Aircraft Co | Programmed digital to analog function generator for a motor controlled x-y plotter |
| US3414801A (en) * | 1967-04-25 | 1968-12-03 | Bell Telephone Labor Inc | Inverter symmetry correction circuit |
| US4061905A (en) * | 1970-06-03 | 1977-12-06 | Siemens Aktiengesellschaft | Filter having frequency-dependent transmission properties for electric analog signals |
| DE2418923C3 (de) * | 1974-04-19 | 1979-07-26 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Digitales Rechnerfilter für elektrische Signale |
| DE2027303C3 (de) * | 1970-06-03 | 1975-09-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Filter mit frequenzabhängigen Übertragungseigenschaften für elektrische Analogsignale |
| US3657579A (en) * | 1971-04-16 | 1972-04-18 | Motorola Inc | Power supply circuit employing piezoelectric voltage transforming device |
| CH575193A5 (ja) * | 1972-12-22 | 1976-04-30 | Siemens Ag | |
| US4114010A (en) | 1976-03-22 | 1978-09-12 | Park-Ohio Industries, Inc. | Test circuit and method for matching an induction load to a solid state power supply |
| US4677345A (en) * | 1980-08-14 | 1987-06-30 | Nilssen Ole K | Inverter circuits |
| US5164637A (en) * | 1978-03-20 | 1992-11-17 | Nilssen Ole K | Power supply for gas discharge lamps |
| US5166578A (en) * | 1980-08-14 | 1992-11-24 | Nilssen Ole K | Inverter power supply circuit |
| US5402043A (en) * | 1978-03-20 | 1995-03-28 | Nilssen; Ole K. | Controlled driven series-resonant ballast |
| US6459213B1 (en) * | 1978-03-20 | 2002-10-01 | Ole K. Nilssen | Ballast for parallel-connected lamps |
| US5191262A (en) * | 1978-12-28 | 1993-03-02 | Nilssen Ole K | Extra cost-effective electronic ballast |
| US4197441A (en) * | 1978-05-01 | 1980-04-08 | Thermatool Corporation | High frequency induction welding with return current paths on surfaces to be heated |
| US5214356A (en) * | 1978-12-28 | 1993-05-25 | Nilssen Ole K | Dimmable fluorescent lamp ballast |
| JPS55114477A (en) * | 1979-02-26 | 1980-09-03 | Nippon Kokan Kk <Nkk> | Method and device for production of electric welded tube |
| US4355351A (en) * | 1979-05-30 | 1982-10-19 | Schwarz Francisc C | High repetition rate power pulse generator |
| US6211625B1 (en) * | 1980-08-14 | 2001-04-03 | Ole K. Nilssen | Electronic ballast with over-voltage protection |
| US5047690A (en) * | 1980-08-14 | 1991-09-10 | Nilssen Ole K | Inverter power supply and ballast circuit |
| US5512801A (en) * | 1980-08-14 | 1996-04-30 | Nilssen; Ole K. | Ballast for instant-start parallel-connected lamps |
| US6172464B1 (en) * | 1980-08-14 | 2001-01-09 | Ole K. Nilssen | Compact screw-in fluorescent lamp |
| US4346332A (en) * | 1980-08-14 | 1982-08-24 | General Electric Company | Frequency shift inverter for variable power control |
| US4370600A (en) * | 1980-11-26 | 1983-01-25 | Honeywell Inc. | Two-wire electronic dimming ballast for fluorescent lamps |
| DE3116364C1 (de) * | 1981-04-21 | 1982-10-14 | Mannesmann AG, 4000 Düsseldorf | Verfahren und Vorrichtung zur Veränderung des Schweißbereiches beim HF-Längsnahtschweißen von Rohren |
| US4471196A (en) * | 1981-06-29 | 1984-09-11 | Westinghouse Electric Corp. | Solid state radio frequency power generator |
| GB2146186A (en) | 1983-08-25 | 1985-04-11 | Electroheating Int | Apparatus for electrically heating a metallic workpiece |
| JPS60121086A (ja) | 1983-12-06 | 1985-06-28 | Kawasaki Steel Corp | 電縫管の造管温度制御装置 |
| US4600891A (en) * | 1984-08-21 | 1986-07-15 | Peavey Electronics Corporation | Digital audio amplifier having a high power output level and low distortion |
| US4641232A (en) * | 1985-01-23 | 1987-02-03 | Allied Corporation | Electrical power inverter having a phase modulated, twin-inverter, high frequency link and an energy storage module |
| US4685041A (en) * | 1985-03-11 | 1987-08-04 | American Telephone And Telegraph Company, At&T Bell Laboratories | Resonant rectifier circuit |
| US4717940A (en) * | 1986-03-11 | 1988-01-05 | Kabushiki Kaisha Toshiba | MIS controlled gate turn-off thyristor |
| US4900887A (en) * | 1986-05-16 | 1990-02-13 | Siemens Aktiengesellschaft | Floating zone drawing circuitry for semiconductor rods |
| US4673888A (en) * | 1986-09-02 | 1987-06-16 | Electro-Voice, Inc. | Power control system |
| US4877940A (en) * | 1987-06-30 | 1989-10-31 | Iit Research Institute | Using infrared imaging to monitor and control welding |
| US4928020A (en) * | 1988-04-05 | 1990-05-22 | The United States Of America As Represented By The United States Department Of Energy | Saturable inductor and transformer structures for magnetic pulse compression |
| US4814962A (en) * | 1988-05-27 | 1989-03-21 | American Telephone And Telegraph Company, At&T Bell Laboratories | Zero voltage switching half bridge resonant converter |
| JPH0258410A (ja) * | 1988-08-24 | 1990-02-27 | Hitachi Ltd | 信号処理方法とその装置 |
| JPH0711977B2 (ja) | 1989-01-18 | 1995-02-08 | 中村 義彦 | トランジスター式高周波誘導加熱装置 |
| US4914399A (en) * | 1989-03-01 | 1990-04-03 | Minnesota Mining And Manufacturing Company | Induction coil driver |
| US5075648A (en) * | 1989-03-30 | 1991-12-24 | Electromagnetic Sciences, Inc. | Hybrid mode rf phase shifter and variable power divider using the same |
| US5170138A (en) * | 1989-03-30 | 1992-12-08 | Electromagnetic Sciences, Inc. | Single toroid hybrid mode RF phase shifter |
| US5109185A (en) * | 1989-09-29 | 1992-04-28 | Ball Newton E | Phase-controlled reversible power converter presenting a controllable counter emf to a source of an impressed voltage |
| CA2036205C (en) * | 1990-06-01 | 1996-11-19 | Russell J. Welsh | Program monitoring unit |
| BE1004964A6 (fr) | 1991-05-06 | 1993-03-09 | Centre Rech Metallurgique | Procede de controle d'une soudure bout a bout de bandes metalliques. |
| CA2104737C (en) * | 1992-08-26 | 1997-01-28 | Minoru Maehara | Inverter device |
| DE4420029A1 (de) * | 1994-06-08 | 1995-12-14 | Philips Patentverwaltung | Magnetodielektrischer keramischer Verbundwerkstoff, Verfahren zu seiner Herstellung, Verwendung und multifunktionales Bauelement |
| JPH0818382A (ja) * | 1994-06-27 | 1996-01-19 | Murata Mfg Co Ltd | 圧電部品 |
| US5625317A (en) * | 1994-08-08 | 1997-04-29 | Texas Instruments Incorporated | Tuning method for integrated continuous-time filters |
| EP0856936B1 (en) * | 1995-10-06 | 2004-05-06 | Hitachi, Ltd. | Motor controller |
| US5747942A (en) * | 1996-07-10 | 1998-05-05 | Enersol Systems, Inc. | Inverter for an electronic ballast having independent start-up and operational output voltages |
| US6016257A (en) * | 1996-12-23 | 2000-01-18 | Philips Electronics North America Corporation | Voltage regulated power supply utilizing phase shift control |
| US5781418A (en) * | 1996-12-23 | 1998-07-14 | Philips Electronics North America Corporation | Switching scheme for power supply having a voltage-fed inverter |
| US6084224A (en) * | 1997-03-03 | 2000-07-04 | Chrysler Corporation | In-situ closed loop temperature control for induction tempering |
| US5994848A (en) * | 1997-04-10 | 1999-11-30 | Philips Electronics North America Corporation | Triac dimmable, single stage compact flourescent lamp |
| DE19823917A1 (de) * | 1997-06-03 | 1998-12-10 | Fuji Electric Co Ltd | Stromrichtervorrichtung |
| DZ2532A1 (fr) | 1997-06-20 | 2003-02-08 | Exxon Production Research Co | Procédé de soudage d'un métal de base pour produire un assemblage soudé et cet assemblage soudé. |
| US6127903A (en) * | 1997-10-08 | 2000-10-03 | Broadcom Homenetworking, Inc. | Filter with manually operable signal carrier guides |
| US5966813A (en) * | 1997-12-23 | 1999-10-19 | Dana Corporation | Method for joining vehicle frame components |
| US6125704A (en) * | 1998-01-16 | 2000-10-03 | Shell Oil Company | Ultrasonic technique for inspection of weld and heat-affected zone for localized high temperature hydrogen attack |
| US6428631B1 (en) | 1998-07-16 | 2002-08-06 | Nippon Steel Corporation | High-strength steel sheet having excellent formality and resistance to softening of the heat affected zone after welding |
| JP2000319750A (ja) | 1999-05-10 | 2000-11-21 | Kawasaki Steel Corp | 溶接熱影響部靱性に優れた大入熱溶接用高張力鋼材 |
| US7212414B2 (en) * | 1999-06-21 | 2007-05-01 | Access Business Group International, Llc | Adaptive inductive power supply |
| US6469919B1 (en) * | 1999-07-22 | 2002-10-22 | Eni Technology, Inc. | Power supplies having protection circuits |
| US7180758B2 (en) * | 1999-07-22 | 2007-02-20 | Mks Instruments, Inc. | Class E amplifier with inductive clamp |
| WO2001014094A1 (en) | 1999-08-25 | 2001-03-01 | Swagelok Company | Apparatus and method for welding duplex stainless steel |
| US6398102B1 (en) | 1999-10-05 | 2002-06-04 | Caterpillar Inc. | Method for providing an analytical solution for a thermal history of a welding process |
| EP1469584B1 (en) * | 2000-02-24 | 2009-08-05 | Panasonic Electric Works Co., Ltd. | Non-contact electrical power transmission system having function of making load voltage constant |
| US6295215B1 (en) * | 2000-04-06 | 2001-09-25 | Powerware Corporation | AC power supply apparatus with economy mode and methods of operation thereof |
| JP3699657B2 (ja) | 2000-05-09 | 2005-09-28 | 新日本製鐵株式会社 | 溶接熱影響部のCTOD特性に優れた460MPa以上の降伏強度を有する厚鋼板 |
| JP4485016B2 (ja) * | 2000-05-24 | 2010-06-16 | Okiセミコンダクタ株式会社 | フィルタ回路 |
| US6727691B2 (en) * | 2000-06-26 | 2004-04-27 | Jentek Sensors, Inc. | High resolution inductive sensor arrays for material and defect characterization of welds |
| US6519168B2 (en) * | 2000-07-24 | 2003-02-11 | Chippower.Com, Inc. | High frequency DC to AC inverter |
| AU2001287186A1 (en) * | 2000-08-18 | 2002-03-04 | Luxine Inc. | Induction heating and control system and method with high reliability and advanced performance features |
| US6455825B1 (en) * | 2000-11-21 | 2002-09-24 | Sandia Corporation | Use of miniature magnetic sensors for real-time control of the induction heating process |
| US6411045B1 (en) * | 2000-12-14 | 2002-06-25 | General Electric Company | Light emitting diode power supply |
| US6417631B1 (en) * | 2001-02-07 | 2002-07-09 | General Electric Company | Integrated bridge inverter circuit for discharge lighting |
| TW594993B (en) * | 2001-02-16 | 2004-06-21 | Sanyo Electric Co | Semiconductor device and manufacturing process therefor |
| US6817241B2 (en) * | 2001-05-31 | 2004-11-16 | Ametek, Inc. | Point level device with automatic threshold setting |
| US7230503B1 (en) * | 2002-02-28 | 2007-06-12 | Silicon Laboratories Inc. | Imbalanced differential circuit control |
| KR100528464B1 (ko) * | 2003-02-06 | 2005-11-15 | 삼성전자주식회사 | 스마트카드의 보안장치 |
| US6933895B2 (en) * | 2003-02-14 | 2005-08-23 | E-Tenna Corporation | Narrow reactive edge treatments and method for fabrication |
| JP4192009B2 (ja) * | 2003-02-24 | 2008-12-03 | 寛治 大塚 | 電子回路装置 |
| US6815980B2 (en) * | 2003-02-27 | 2004-11-09 | International Business Machines Corporation | Termination circuit for a differential transmission line |
| US7994877B1 (en) * | 2008-11-10 | 2011-08-09 | Hrl Laboratories, Llc | MEMS-based quartz hybrid filters and a method of making the same |
| US6995337B2 (en) * | 2003-07-11 | 2006-02-07 | Lincoln Global, Inc. | Power source with saturable reactor |
| US6930279B2 (en) * | 2003-07-25 | 2005-08-16 | Lincoln Global, Inc. | Electric arc welder and method for controlling the welding process of the welder |
| JP2005051496A (ja) * | 2003-07-28 | 2005-02-24 | Kanji Otsuka | 信号伝送システム及び信号伝送線路 |
| US7064290B2 (en) * | 2003-09-08 | 2006-06-20 | Lincoln Global, Inc. | Electric arc welder and method for controlling the welding process of the welder |
| US7164242B2 (en) * | 2004-02-27 | 2007-01-16 | York International Corp. | Variable speed drive for multiple loads |
| WO2005096485A1 (ja) * | 2004-03-30 | 2005-10-13 | Daifuku Co., Ltd. | 無接触給電設備 |
| US7190208B2 (en) * | 2004-04-08 | 2007-03-13 | International Rectifier Corporation | Self-oscillating full bridge driver IC |
| DE102004019345B4 (de) * | 2004-04-21 | 2007-02-08 | Austriamicrosystems Ag | Ausgangsstufenanordnung |
| JP4214276B2 (ja) * | 2004-07-09 | 2009-01-28 | ミネベア株式会社 | 放電灯点灯装置 |
| US7218541B2 (en) * | 2004-07-21 | 2007-05-15 | Dell Products L.P. | High efficiency two stage inverter |
| JP4759968B2 (ja) * | 2004-10-04 | 2011-08-31 | ダイキン工業株式会社 | Pwm整流回路の保護方法およびその装置 |
| NO325435B1 (no) * | 2005-06-27 | 2008-05-05 | Ntnu Technology Transfer As | Ror med kanal i rorveggen og fremgangsmate for fremstilling av slike ror |
| JP2007026814A (ja) | 2005-07-14 | 2007-02-01 | Sumitomo Heavy Ind Ltd | 通電加熱装置 |
| US7683288B2 (en) * | 2005-08-12 | 2010-03-23 | Thermatool Corp. | System and method of computing the operating parameters of a forge welding machine |
| EP1980016B1 (en) * | 2005-09-30 | 2013-03-20 | Nxp B.V. | Oscillator based on piezoresistive resonators |
| US20070095878A1 (en) * | 2005-11-03 | 2007-05-03 | Paul Scott | Method and system for monitoring and controlling characteristics of the heat affected zone in a weld of metals |
| TWI332746B (en) * | 2006-04-17 | 2010-11-01 | Delta Electronics Inc | Low cost, low power loss ups device |
| US7368938B2 (en) * | 2006-06-15 | 2008-05-06 | Integrated Device Technology, Inc. | Input termination circuitry with high impedance at power off |
| JP5053579B2 (ja) * | 2006-06-28 | 2012-10-17 | 寛治 大塚 | 静電気放電保護回路 |
| US7756491B2 (en) * | 2006-08-04 | 2010-07-13 | Axiom Microdevices, Inc. | Phase shifter |
| TWI318491B (en) * | 2006-10-31 | 2009-12-11 | Iner Aec Executive Yuan | An adjustable high-frequency-high-voltage power supply |
| US7723929B2 (en) * | 2006-11-27 | 2010-05-25 | Power Integrations, Inc. | Variable inductive power supply arrangement for cold cathode fluorescent lamps |
| US20090016930A1 (en) * | 2007-07-13 | 2009-01-15 | Germgard Lighting, Llc | Sanitization using high electric fields |
| JP5039507B2 (ja) * | 2007-10-31 | 2012-10-03 | 日立オートモティブシステムズ株式会社 | 高圧燃料供給ポンプおよびその製造方法 |
| JP4505491B2 (ja) * | 2007-11-05 | 2010-07-21 | 新日本製鐵株式会社 | 鋼管材の溶接部加熱装置及び方法 |
| JP5301812B2 (ja) * | 2007-11-14 | 2013-09-25 | 東京エレクトロン株式会社 | プラズマ処理装置 |
| JP5578805B2 (ja) * | 2008-05-19 | 2014-08-27 | キヤノン株式会社 | 半導体集積回路の保護回路及びその駆動方法 |
| US8300378B2 (en) * | 2008-09-19 | 2012-10-30 | Advanced Fusion Systems, Llc | Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| US8248740B2 (en) * | 2008-09-19 | 2012-08-21 | Advanced Fusion Systems, Llc | High speed current shunt |
| TWI586216B (zh) * | 2008-10-08 | 2017-06-01 | Holdip Ltd | 照明系統之改良 |
| CN102204076A (zh) * | 2008-10-27 | 2011-09-28 | 莫斯科技株式会社 | 电力逆转换装置 |
| US8179701B2 (en) * | 2009-01-09 | 2012-05-15 | Yaskawa America, Inc. | Variable frequency drive soft charge circuit |
| US8503208B2 (en) * | 2009-01-29 | 2013-08-06 | Brusa Elektronik Ag | Converter for single-phase and three-phase operation, D.C. voltage supply and battery charger |
| US8102216B1 (en) * | 2009-05-06 | 2012-01-24 | Qualcomm Atheros, Inc. | Voltage controlled oscillator having reduced phase noise |
| GB0908111D0 (en) * | 2009-05-12 | 2009-06-24 | Peto Raymond J | A motor controller & related method |
| US8455794B2 (en) * | 2009-06-03 | 2013-06-04 | Illinois Tool Works Inc. | Welding power supply with digital control of duty cycle |
| US7952408B2 (en) * | 2009-06-26 | 2011-05-31 | University Of Florida Research Foundation, Inc. | Embedded phase noise measurement system |
| US8437150B1 (en) * | 2009-07-11 | 2013-05-07 | Inductotherm Corp. | Dual frequency heating, melting and stirring with electric induction power |
| WO2011032149A2 (en) * | 2009-09-14 | 2011-03-17 | Board Of Regents, The University Of Texas System | Bipolar solid state marx generator |
| US9950384B2 (en) * | 2010-03-11 | 2018-04-24 | Illinois Tool Works Inc. | Welding power supply with regulated background power supply |
| CN101800123B (zh) * | 2010-03-23 | 2012-07-11 | 深圳市鸿栢科技实业有限公司 | 一种电阻焊高频变压器 |
| JP5633778B2 (ja) * | 2010-04-01 | 2014-12-03 | ミネベア株式会社 | スイッチング電源装置 |
| US8344801B2 (en) * | 2010-04-02 | 2013-01-01 | Mks Instruments, Inc. | Variable class characteristic amplifier |
| US8693214B2 (en) * | 2010-06-29 | 2014-04-08 | Brusa Elektronik Ag | Voltage converter |
| WO2012090258A1 (ja) * | 2010-12-27 | 2012-07-05 | トヨタ自動車株式会社 | リアクトル装置 |
| US9762115B2 (en) * | 2011-02-03 | 2017-09-12 | Viswa N. Sharma | Bidirectional multimode power converter |
| DE102011016027A1 (de) * | 2011-04-04 | 2012-10-04 | Markus Rehm | Großsignal VCO |
| CN103548231B (zh) * | 2011-05-25 | 2016-12-28 | 株式会社日立制作所 | 充电系统 |
| US9701208B2 (en) * | 2011-06-01 | 2017-07-11 | Fh Joanneum Gmbh | Inverter |
| EP2557688B1 (en) * | 2011-08-11 | 2018-05-23 | Nxp B.V. | A controller for a radio circuit |
| CN102957151A (zh) * | 2011-08-22 | 2013-03-06 | 台达电子企业管理(上海)有限公司 | 一种用于可再生能源系统的功率补偿装置及其方法 |
| US8570005B2 (en) * | 2011-09-12 | 2013-10-29 | Solaredge Technologies Ltd. | Direct current link circuit |
| JP5669949B2 (ja) * | 2011-09-15 | 2015-02-18 | 三菱電機株式会社 | 非接触給電装置 |
| JP5257533B2 (ja) * | 2011-09-26 | 2013-08-07 | ダイキン工業株式会社 | 電力変換装置 |
| US9281756B2 (en) * | 2011-11-11 | 2016-03-08 | Varentec, Inc. | Power flow controller with a fractionally rated back-to-back converter |
| US8824077B2 (en) * | 2011-11-29 | 2014-09-02 | HGST Netherlands B.V. | Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching |
| US9653923B2 (en) * | 2011-12-12 | 2017-05-16 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Resonant power management architectures |
| US8520348B2 (en) * | 2011-12-22 | 2013-08-27 | Lsi Corporation | High-swing differential driver using low-voltage transistors |
| RU2014133015A (ru) * | 2012-01-12 | 2016-03-10 | Конинклейке Филипс Н.В. | Инвертор с меньшим числом демпфирующих конденсаторов |
| WO2013177306A2 (en) * | 2012-05-23 | 2013-11-28 | Sunedison, Llc | Soft switching power converters |
| CN102891611B (zh) * | 2012-06-30 | 2014-10-08 | 华为技术有限公司 | 五电平功率变换器及其控制方法、控制装置 |
| US9281753B2 (en) * | 2012-07-31 | 2016-03-08 | General Electric Company | LLC converter with dynamic gain transformation for wide input and output range |
| GB201215152D0 (en) * | 2012-08-24 | 2012-10-10 | Imp Innovations Ltd | Maximising DC to load efficiency for inductive power transfer |
| US8928365B2 (en) * | 2012-10-23 | 2015-01-06 | Qualcomm Incorporated | Methods and devices for matching transmission line characteristics using stacked metal oxide semiconductor (MOS) transistors |
| MX347408B (es) * | 2012-11-02 | 2017-04-26 | Univ Danmarks Tekniske | Convertidor de energia resonante auto-oscilante. |
| US20140139280A1 (en) * | 2012-11-20 | 2014-05-22 | The Trustees Of Columbia University In The City Of New York | Systems, apparatus, and methods for providing continuous-time signal differentiation and integration |
| US9876490B2 (en) * | 2012-11-20 | 2018-01-23 | The Trustees Of Columbia University In The City Of New York | Systems, apparatus, and methods for providing continuous-time signal differentiation and integration |
| US20140375203A1 (en) * | 2012-11-26 | 2014-12-25 | Lucidity Lights, Inc. | Induction rf fluorescent lamp with helix mount |
| EP2765701B1 (de) * | 2013-02-08 | 2020-01-01 | Markus Rehm | Drahtlose resonanzgekoppelte elektrische energieübertragung |
| WO2014127036A1 (en) * | 2013-02-13 | 2014-08-21 | North Carolina State University | Systems and methods for wireless power transfer |
| US9287800B2 (en) * | 2013-03-01 | 2016-03-15 | Walter Buchanan | Systems and methods for non-thermal plasma over liquid direct ion injection |
| US9450518B2 (en) * | 2013-03-13 | 2016-09-20 | University Of Utah Research Foundation | On-chip power converter circuit and on-chip power supply using the power converter circuit |
| US9692376B2 (en) * | 2013-03-15 | 2017-06-27 | David Schie | Controlled switched capacitor coefficients |
| US9038005B2 (en) * | 2013-03-15 | 2015-05-19 | Resonant Inc. | Network synthesis design of microwave acoustic wave filters |
| US9785159B2 (en) * | 2013-04-26 | 2017-10-10 | Texas Instruments Incorporated | Circuit and method for extracting amplitude and phase information in a resonant system |
| US20140369081A1 (en) * | 2013-06-18 | 2014-12-18 | Microsemi Corporation | Power converter |
| US9401324B2 (en) * | 2013-07-05 | 2016-07-26 | Kabushiki Kaisha Toshiba | Semiconductor device having an on die termination circuit |
| US9525364B2 (en) * | 2013-10-07 | 2016-12-20 | Garrity Power Services Llc | Smart grid power converter |
| US9514878B2 (en) * | 2013-11-22 | 2016-12-06 | Tamura Corporation | Coil and manufacturing method for same, and reactor |
| US9571005B2 (en) * | 2014-01-08 | 2017-02-14 | Majid Pahlevaninezhad | ZVS voltage source inverter |
| US9590531B2 (en) * | 2014-02-14 | 2017-03-07 | Majid Pahlevaninezhad | ZVS voltage source inverter with reduced output current ripple |
| WO2015162054A2 (en) * | 2014-04-25 | 2015-10-29 | Koninklijke Philips N.V. | Resonant converter and method for controlling a resonant converter |
| US9641164B2 (en) * | 2014-06-24 | 2017-05-02 | Technische Universiteit Delft | Quadrature LC tank digitally controlled ring oscillator |
| US9748864B2 (en) * | 2014-06-30 | 2017-08-29 | Mks Instruments, Inc. | Power supply circuits incorporating transformers for combining of power amplifier outputs and isolation of load voltage clamping circuits |
| CN104079079B (zh) * | 2014-07-14 | 2018-02-23 | 南京矽力杰半导体技术有限公司 | 谐振型非接触供电装置、集成电路和恒压控制方法 |
| US9893705B2 (en) * | 2014-12-31 | 2018-02-13 | General Electric Company | Method and apparatus for dual notch ripple filtering |
| US9808881B2 (en) * | 2015-03-03 | 2017-11-07 | Illinois Tool Works Inc. | Method and apparatus for providing welding and auxiliary power |
| US9692320B2 (en) * | 2015-06-19 | 2017-06-27 | Sparq Systems Inc. | Adaptive control method for grid-connected inverters used with distributed power generation |
| US9935562B2 (en) * | 2015-09-03 | 2018-04-03 | Sparq Systems Inc. | High efficiency inverter for distributed generation |
| CA3008661C (en) * | 2015-12-22 | 2025-06-03 | Thermatool Corp. | HIGH-FREQUENCY POWER SUPPLY SYSTEM WITH HIGHLY REGULATED OUTPUT FOR HEATING A WORKPIECE |
| CA3008659C (en) * | 2015-12-22 | 2024-02-06 | Thermatool Corp. | High frequency power supply system with closely regulated output for heating a workpiece |
-
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- 2016-12-22 EP EP16880096.9A patent/EP3394874B1/en active Active
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- 2016-12-22 WO PCT/US2016/068326 patent/WO2017112872A1/en not_active Ceased
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- 2016-12-22 CN CN201680082313.3A patent/CN108702096B/zh active Active
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-
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03258270A (ja) * | 1990-03-08 | 1991-11-18 | Omron Corp | 高周波温熱治療装置の整合装置及び高周波温熱治療装置 |
| JPH0648196U (ja) * | 1991-08-20 | 1994-06-28 | 新日本電気産業株式会社 | 低周波誘導加熱電源装置 |
| US5902506A (en) * | 1995-12-08 | 1999-05-11 | Thermatool Corp. | Matching apparatus for connecting high frequency solid state electrical power generator to a load |
| JP2002066740A (ja) * | 2000-08-30 | 2002-03-05 | Daihen Corp | アーク加工用電源装置 |
| JP2004030965A (ja) * | 2002-06-21 | 2004-01-29 | Fuji Electric Holdings Co Ltd | 誘導加熱装置 |
| JP2011009432A (ja) * | 2009-06-25 | 2011-01-13 | Fuji Denki Thermosystems Kk | 可変リアクトル |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016377688A1 (en) | 2018-08-02 |
| CN108702096A (zh) | 2018-10-23 |
| JP6921085B2 (ja) | 2021-08-18 |
| KR20180088483A (ko) | 2018-08-03 |
| ES3041928T3 (en) | 2025-11-17 |
| MX384942B (es) | 2025-03-14 |
| US20210099098A1 (en) | 2021-04-01 |
| US11784576B2 (en) | 2023-10-10 |
| CA3008661A1 (en) | 2017-06-29 |
| MX2018007707A (es) | 2018-11-09 |
| WO2017112872A1 (en) | 2017-06-29 |
| CN108702096B (zh) | 2022-01-11 |
| EP3394874B1 (en) | 2025-08-20 |
| CA3008661C (en) | 2025-06-03 |
| EP3394874A4 (en) | 2019-09-04 |
| AU2016377688B2 (en) | 2022-03-10 |
| EP3394874A1 (en) | 2018-10-31 |
| US10855194B2 (en) | 2020-12-01 |
| US20170179841A1 (en) | 2017-06-22 |
| KR102753988B1 (ko) | 2025-01-14 |
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