WO2005034326A1 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
- Publication number
- WO2005034326A1 WO2005034326A1 PCT/JP2003/012498 JP0312498W WO2005034326A1 WO 2005034326 A1 WO2005034326 A1 WO 2005034326A1 JP 0312498 W JP0312498 W JP 0312498W WO 2005034326 A1 WO2005034326 A1 WO 2005034326A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- main circuit
- voltage
- section
- switching
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000007726 management method Methods 0.000 description 7
- 238000009499 grossing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- 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
- 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
- H02M7/53871—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 with automatic control of output voltage or current
- H02M7/53873—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 with automatic control of output voltage or current with digital control
Definitions
- the present invention relates to a power converter.
- a yarn electric power converter that drives an AC load at an arbitrary frequency generally has a switching unit that switches a DC voltage (including a DC voltage generated from an AC voltage) and outputs an AC voltage at an arbitrary frequency.
- a circuit unit controls a switching element included in the switching unit to a desired on / off operation state based on information on operation of a preset load and information from various detectors included in the main circuit unit. It consists of a control unit.
- This power conversion device includes a product that performs simple open-loop control and a product that performs high-precision closed-loop control so that the user can use it in a control mode according to the purpose.
- Each product is available in different capacities, ranging from small capacities of several watts to large capacities of several thousand kilobits, to flexibly meet diverse needs.
- the control mode according to the purpose is realized by the control unit.
- the required capacity is realized by the main circuit.
- the characteristics of the main circuit unit in addition to information relating to the operation of the load, the characteristics of the main circuit unit, the calibration values of various detectors present in the main circuit unit, Manufacturing history such as manufacturing date, operation history, specifications, etc. are required.
- Manufacturing history such as manufacturing date, operation history, specifications, etc.
- the characteristics, calibration values, manufacturing history, operation history, and specifications of the main circuit are referred to as management information on the main circuit.
- control unit since the control unit includes a storage unit for storing information related to the operation of the load, management information on the main circuit unit is also stored in the storage unit in the control unit. I was trying.
- the management information about the main circuit unit is temporarily stored in another storage device. It had to be uploaded and downloaded to the changed control unit, which made the task of changing functions cumbersome.
- Patent Document 1 discloses a storage device in which a camera head and a power control unit that controls the camera head are detachably connected, and a camera head stores various data related to the camera head. There is disclosed a head-separated camera in which a control unit stores the usage status of the camera head in a storage device.
- Patent Document 2 discloses an industrial robot in which model data setting means is provided in a robot body, and a control unit determines control start based on consistency with the model data.
- Patent Documents 1 and 2 are different from the significance of providing a storage unit in a main circuit unit in the present invention, and the characteristics of information to be stored are also different.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2000-35054
- Patent Document 2 JP-A-6-190762
- the present invention has been made in view of the above, and provides a power converter capable of facilitating a work of assembling a main circuit unit and a control unit and a function changing operation, and suppressing an increase in stock amount.
- the purpose is to: Disclosure of the invention
- a main circuit unit including a switching unit that switches a DC voltage including a DC voltage generated from an AC voltage and outputs an AC voltage having an arbitrary frequency and voltage, and information related to operation of a preset load. And a control unit for controlling a switching element constituting the switching unit to a desired on / off operation state based on information from various types of detectors included in the main circuit unit.
- the unit is characterized by including at least a storage unit for storing characteristics relating to the main circuit unit, calibration values for various detectors, manufacturing history, operation history, and specifications.
- the main circuit section and the control section are separated and stored, and when the main circuit section and the control section are combined at the time of shipment, or after the combination, the main circuit section and the control section are separated, and
- the main circuit section and the control section are separated, and
- the characteristics, calibration values, manufacturing machine history, operation history, and specifications related to the main circuit section in the control section making it easy to combine them. it can.
- the function is changed by changing the control unit, the characteristics, calibration values, manufacturing machine history, operation history, and specifications related to the main circuit unit are once uploaded to another storage device and downloaded to the changed control unit. It is not necessary to change the function, so the function can be changed easily.
- FIG. 1 is a block diagram showing a configuration of a power converter according to Embodiment 1 of the present invention
- FIG. 2 illustrates a connection relationship between a main circuit unit and a control unit in the power converter shown in FIG.
- FIG. 3 is a conceptual diagram
- FIG. 3 is a diagram for explaining an outline of a case where control units are exchanged according to purposes in the power converter shown in FIG. 1, and
- FIG. 4 is a second embodiment of the present invention.
- FIG. 5 is a block diagram showing a configuration of a power converter
- FIG. 5 is a block diagram showing a configuration of a power converter according to a third embodiment of the present invention.
- FIG. 1 is a block diagram showing a configuration of a power converter according to Embodiment 1 of the present invention.
- the power converter 1 shown in FIG. 1 is composed of a main circuit section 2 and a control section 3, and generates an AC voltage having an arbitrary frequency and voltage from a commercial AC power supply 4 and supplies the AC voltage to a load 5. I have.
- the main circuit section 2 includes a rectifying section 6, a switching section 7, a power supply section 8, a storage section 9, and a communication section 10.
- the main circuit unit 2 and the control unit 3 are housed in separate and independent housings, and exchange necessary information via the communication unit 10.
- the rectifying unit 6 includes a converter unit 61 that converts the AC voltage of the commercial AC power supply 4 into a DC voltage, a smoothing unit 62 that smoothes the DC voltage converted by the converter unit 61, and a smoothing unit 62.
- a DC voltage detection unit 63 that detects the smoothed DC voltage and outputs it to the communication unit 10.
- the switching unit 7 includes an inverter unit 71 that switches the DC voltage smoothed by the smoothing unit 62 by on / off operation by a plurality of switching elements and outputs an AC voltage of an arbitrary frequency to the load 5; A drive section 72 for driving a plurality of switching elements constituting the inverter section 71; an output voltage detection section 73 for detecting an AC voltage output from the impeller section 71 and outputting the AC voltage to the communication section 10; 1 and negative A current detection unit 74 detects the current flowing between the load 5 and outputs the current to the communication unit 10, and a temperature detection unit 75 detects the temperature of the switching unit 7 and outputs the temperature to the communication unit 10. You.
- the power supply section 8 generates various levels of voltage from the DC voltage smoothed by the smoothing section 62 and supplies the voltages to the control section 3, the storage section 9, the communication section 10, and the drive section 72. You.
- the storage unit 9 is composed of a non-volatile memory such as an EEPROM, and has various characteristics related to the main circuit unit 2 and various detection units (DC voltage detection unit 63, output voltage detection unit 73, current detection unit 74, Calibration values for the temperature detector 7 5), manufacturing history of the main circuit 2, and usage history including usage environment information in the operation history of each of the rectifier 6, switching 7, and power supply 8. The life information calculated from the history and the specifications are stored in advance.
- various detection units DC voltage detection unit 63, output voltage detection unit 73, current detection unit 74, Calibration values for the temperature detector 7 5
- manufacturing history of the main circuit 2 and usage history including usage environment information in the operation history of each of the rectifier 6, switching 7, and power supply 8.
- the life information calculated from the history and the specifications are stored in advance.
- the communication unit 10 (1) outputs the operation signal from the control unit 3 to the drive unit 72, and (2) outputs the DC voltage detection unit 63, the output voltage detection unit 73, the current detection unit 74, and the temperature.
- the detection signal from the detection unit 75 is transmitted to the control unit 3, (3) the calibration values for the various detection units from the storage unit 9 according to the request from the control unit 3, the manufacturing history of the main circuit unit 2, It reads out the usage history and the life information in each of the rectifying unit 6, the switching unit 7, and the power supply unit 8 and transmits them to the control unit 3.
- the form of communication between the communication unit 10 and the control unit 3 may be parallel communication or synchronous or asynchronous serial communication.
- parallel communication high-speed driving can be achieved.
- signal lines in serial communication the number of signal lines can be reduced.
- connection methods that do not use signal lines optical communication, wireless communication, etc.
- the setting in the storage unit 9 can also be performed using the communication unit 10.
- the communication unit 10 having these functions is a dedicated semiconductor integrated circuit, ASI It can be composed of a processing circuit including C and CPu.
- the storage unit provided in the control unit 3 is composed of a non-volatile memory such as an EPROM, and stores in advance setting information such as settings relating to the operation of the load 5 such as the operation mode of the load 5 and settings relating to display.
- the control unit 3 sends the contents of the storage unit 9 requested and requested to the communication unit 10 at the start of operation and the like, the setting information stored in the storage unit in the control unit 3, and the communication unit 10.
- the control of the main circuit unit 2 is determined from the detection signals of the various detection units of the main circuit unit 2, and an operation signal is transmitted to the main circuit unit 2.
- the control unit 3 includes a type that performs simple open-loop control and a type that performs high-precision closed-loop control by feeding back the operation state of the load 5. It is selected according to the purpose of use. Hereinafter, the relationship between the main circuit unit and the control unit will be described with reference to FIG. 2 and FIG.
- FIG. 2 is a conceptual diagram illustrating a connection relationship between a main circuit unit and a control unit in the power converter shown in FIG.
- the second (a) shows an example of connection using a harness and a connector. That is, in the main circuit section 21, a connection section in which the connector 23 is attached to the tip of the harness 22 as a signal line is prepared. In the control section 25, a connector 26 is arranged on one side wall surface. The control unit 25 is integrated with the main circuit unit 21 by fixing the side surface of the other wall facing the arrangement surface of the connector 26 to one side wall surface of the main circuit unit 21 by screwing or the like. By connecting connectors 23 and 26, electrical connection between them is established.
- Fig. 2 (b) shows a connection example using only connectors. That is, the connector 32 is arranged on one side wall surface of the main circuit section 31. In addition, a connector 35 is arranged on one side wall surface of the control section 34. The control unit 34 is integrated with the arrangement surface of the connector 35 on the arrangement surface of the connector 32 of the main circuit unit 31 by screwing or the like. Then, since the connectors 32 and 35 are connected at the same time, the electrical connection between them is made.
- FIG. 2 shows a connection method using a connector
- a method of soldering without using a connector may be used.
- the connection method using optical communication or wireless communication described above Good may be used.
- the main circuit section and the control section can be stored in a separated state, shipped, and installed by the user side in combination.
- the main circuit section and the control section can be stored in a separated state, shipped, and installed by the user side in combination.
- the control mode according to this purpose is realized by the control unit.
- power conversion devices are provided for each capacity from a small capacity of several kilobytes to a large capacity of several thousand kilobytes. This required capacity is realized by the main circuit unit.
- a combination of a control unit having an arbitrary control mode and a main circuit unit having an arbitrary capacity can be easily realized. Therefore, the function can be easily changed by changing the control unit.
- FIG. 3 is a diagram illustrating an outline of a case where a control unit is replaced according to a purpose in the power converter illustrated in FIG.
- a control unit 43 for performing simple open loop control is mounted on the main circuit unit 41 having a certain capacity.
- a storage unit is provided in the main circuit unit 41. It is only necessary to replace the control unit 4 2 that performs loop control with the control unit 4 3 that performs simple open loop control, and the characteristics, calibration values, manufacturing history, use history, life information, etc. of the main circuit 41 This eliminates the need to once upload information to another storage device and download it to the changed control unit 42, making it easy to change functions.
- a control unit that performs simple open-loop control and a control unit that performs high-precision close-loop control, such as a control unit that performs a control mode according to the purpose have a small capacity of several pets.
- Each power conversion device is combined with a main circuit unit having a capacity of up to a large capacity of several thousand kilobytes, and each is produced and stored. And no need to ship.
- the main circuit section when the main circuit section is combined with the control section having a control mode according to the purpose, it is not necessary to store the characteristics of the main circuit section, the calibration value, the manufacturing history, the use history, the life information, and the like by the combination. It can be combined with any main circuit section. As a result, the storage inventory of the power converter can be reduced to less than half of the conventional level.
- FIG. 4 is a block diagram showing a configuration of a power converter according to Embodiment 2 of the present invention.
- components that are the same as or equivalent to the components shown in FIG. 1 are given the same reference numerals.
- a description will be given focusing on a portion related to the second embodiment.
- the communication unit 10 is omitted from the configuration shown in FIG.
- the signals of each section of the section 2 are directly connected to the control section 3 in a one-to-one correspondence. According to this configuration, the same operation and effect as those of the first embodiment can be obtained.
- FIG. 5 is a block diagram showing a configuration of a power converter according to Embodiment 3 of the present invention.
- components that are the same as or equivalent to the components shown in FIG. 1 (Embodiment 1) are given the same reference numerals.
- the part related to the third embodiment will be mainly described.
- the input end of the smoothing unit 62 is connected in parallel with the converter unit 61.
- the DC power supply 55 is a backup power supply, but a power supply capable of supplying DC power can also be connected. Accordingly, the same operation and effect as in the first embodiment can be achieved in the power conversion device for uninterruptible power transmission. Fruit is obtained.
- the third embodiment shows an example of application to the first embodiment, it is needless to say that the third embodiment can be similarly applied to the power converter shown in the second embodiment. Also, as can be inferred from the third embodiment, the converter unit 61 can be omitted, and a power converter using only the DC power supply 55 can be configured. It goes without saying that this is included in the present invention. Industrial applicability
- the present invention facilitates the work of combining the main circuit unit and the control unit and the work of changing functions, so that the present invention is suitable as a power conversion device that can meet various needs of users with a small inventory amount. It is suitable as a power converter that can be easily upgraded.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Ac-Ac Conversion (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/012498 WO2005034326A1 (ja) | 2003-09-30 | 2003-09-30 | 電力変換装置 |
JP2005509295A JP4391989B2 (ja) | 2003-09-30 | 2003-09-30 | 電力変換装置 |
GB0606399A GB2422732B (en) | 2003-09-30 | 2003-09-30 | Electric Power Converter |
DE10394311T DE10394311T5 (de) | 2003-09-30 | 2003-09-30 | Stromrichter |
CNB038271222A CN100492857C (zh) | 2003-09-30 | 2003-09-30 | 功率变换装置 |
US10/574,014 US7599200B2 (en) | 2003-09-30 | 2003-09-30 | Electric power converter |
TW092128520A TWI228863B (en) | 2003-09-30 | 2003-10-15 | Power conversion device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/012498 WO2005034326A1 (ja) | 2003-09-30 | 2003-09-30 | 電力変換装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005034326A1 true WO2005034326A1 (ja) | 2005-04-14 |
Family
ID=34401433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/012498 WO2005034326A1 (ja) | 2003-09-30 | 2003-09-30 | 電力変換装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7599200B2 (ja) |
JP (1) | JP4391989B2 (ja) |
CN (1) | CN100492857C (ja) |
DE (1) | DE10394311T5 (ja) |
GB (1) | GB2422732B (ja) |
TW (1) | TWI228863B (ja) |
WO (1) | WO2005034326A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013247775A (ja) * | 2012-05-25 | 2013-12-09 | Mitsubishi Electric Corp | 系統連系電力変換装置 |
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US11177663B2 (en) | 2016-04-05 | 2021-11-16 | Solaredge Technologies Ltd. | Chain of power devices |
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JPH1127949A (ja) * | 1997-07-04 | 1999-01-29 | Matsushita Electric Ind Co Ltd | インバータ装置 |
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JP3070304B2 (ja) | 1992-11-11 | 2000-07-31 | 三菱電機株式会社 | インバータ装置 |
JPH06190752A (ja) | 1992-12-24 | 1994-07-12 | Hitachi Ltd | 産業用ロボット |
JPH07194144A (ja) | 1993-12-27 | 1995-07-28 | Hitachi Ltd | 電力変換装置 |
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CN1114260C (zh) * | 1998-07-16 | 2003-07-09 | 三菱电机株式会社 | 逆变器装置 |
JP2002354300A (ja) | 2001-05-25 | 2002-12-06 | Toshiba Corp | ヘッド内に各種データを保存するヘッド分離型カメラ |
US6414858B1 (en) * | 2001-11-20 | 2002-07-02 | Koninklijke Philips Electronics N.V. | Multi-mode pulse-width modulator for power control applications |
JP3775416B2 (ja) * | 2003-02-10 | 2006-05-17 | オムロン株式会社 | インバータ装置 |
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- 2003-09-30 US US10/574,014 patent/US7599200B2/en active Active
- 2003-09-30 CN CNB038271222A patent/CN100492857C/zh not_active Expired - Lifetime
- 2003-09-30 DE DE10394311T patent/DE10394311T5/de not_active Withdrawn
- 2003-09-30 WO PCT/JP2003/012498 patent/WO2005034326A1/ja active Application Filing
- 2003-09-30 GB GB0606399A patent/GB2422732B/en not_active Expired - Fee Related
- 2003-09-30 JP JP2005509295A patent/JP4391989B2/ja not_active Expired - Lifetime
- 2003-10-15 TW TW092128520A patent/TWI228863B/zh not_active IP Right Cessation
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JPH03261877A (ja) * | 1990-03-12 | 1991-11-21 | Mitsubishi Electric Corp | 電力変換装置及びインバータ装置 |
JPH1127949A (ja) * | 1997-07-04 | 1999-01-29 | Matsushita Electric Ind Co Ltd | インバータ装置 |
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JP2013247775A (ja) * | 2012-05-25 | 2013-12-09 | Mitsubishi Electric Corp | 系統連系電力変換装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1839538A (zh) | 2006-09-27 |
TW200513014A (en) | 2005-04-01 |
GB0606399D0 (en) | 2006-05-10 |
US20070115701A1 (en) | 2007-05-24 |
GB2422732A (en) | 2006-08-02 |
DE10394311T5 (de) | 2006-08-03 |
JPWO2005034326A1 (ja) | 2006-12-14 |
CN100492857C (zh) | 2009-05-27 |
TWI228863B (en) | 2005-03-01 |
GB2422732B (en) | 2007-02-14 |
US7599200B2 (en) | 2009-10-06 |
JP4391989B2 (ja) | 2009-12-24 |
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