WO2006022106A1 - 超音波診断装置 - Google Patents
超音波診断装置 Download PDFInfo
- Publication number
- WO2006022106A1 WO2006022106A1 PCT/JP2005/013586 JP2005013586W WO2006022106A1 WO 2006022106 A1 WO2006022106 A1 WO 2006022106A1 JP 2005013586 W JP2005013586 W JP 2005013586W WO 2006022106 A1 WO2006022106 A1 WO 2006022106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mode
- power
- power supply
- power source
- transmission
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52096—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging related to power management, e.g. saving power or prolonging life of electronic components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/56—Details of data transmission or power supply
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52019—Details of transmitters
Definitions
- the present invention relates to an ultrasonic diagnostic apparatus for transmitting / receiving ultrasonic waves using an ultrasonic transducer and obtaining information in the body, and more particularly to a circuit for driving the transducer.
- the configuration of an ultrasonic diagnostic apparatus that performs sector scanning using an array transducer is, for example, as shown in FIG.
- the operation of an ultrasound diagnostic apparatus that performs sector scanning will be described with reference to FIG.
- the transducers 8-1 to 8-8 that transmit and receive ultrasonic waves are connected to the transmission pulse generators 9-1 to 9-8 that generate the transmission pulses that drive the transducers 8-1 to 8-8. Speak.
- the transmission trigger generator 10 generates a trigger pulse for the ultrasonic pulse generators 9-1 to 9-8 to generate a transmission pulse
- the controller 5 includes a transmission trigger generator 10 and a transmission power source 11. Control.
- the transmission power supply 11 supplies the transmission pulse generators 9-1 to 9-8 with a voltage that determines the amplitude of the transmission pulse generated by the transmission pulse generators 91 to 98.
- the output side capacitor 7 is for stabilizing the voltage of the transmission power supply 11.
- the reception amplifiers 12-1 to 12-8 appropriately amplify signals from the transducers 8-1 to 8-8 that have received the reflected ultrasonic waves.
- the beam former 13 delays and adds the amplified signals, and the detector 14 detects the signals.
- Scanning change (DSC) 15 scans and converts the detected signal, and display 16 displays an image based on the signal.
- the intensity of the ultrasonic wave that can enter the body is regulated, and the power per unit time increases when the wave number is large even with the same amplitude, so the amplitude needs to be set small.
- the SZN ratio in the B mode with a low wave number it is necessary to increase the amplitude within the allowed range.
- FIG. 5A is a block diagram showing a configuration from a transmission power source to a transmission pulse generator (not shown) in the ultrasonic diagnostic apparatus described in Patent Document 1, and FIG. 5B shows a transmission voltage. It is a timing diagram which shows switching.
- This ultrasonic diagnostic equipment is equipped with a power supply 1A and IB for each mode that supplies power, a controller 5 that controls the voltage of each mode 1A and IB, and a power supply that stabilizes the voltage of each mode 1A and IB.
- Capacitors 3A and 3B, mode-specific power supply 1A and mode switching switch 18 for switching IB, and output-side capacitor 7 are included.
- the output side capacitor 7 is used as a temporary power source at that time.
- VB in FIG. 5B is the output voltage VB supplied to the transmission pulse generator shown in FIG. 5A.
- SW18 indicates the connection state of the mode switching switch 18.
- Output indicates the voltage of the transmission pulse that drives the transducer transmitted from the transmission pulse generator.
- Patent Document 1 Japanese Patent Laid-Open No. 11 290321
- An object of the present invention is to solve these problems, and to provide an ultrasonic diagnostic apparatus that reduces the power consumption by reusing the power stored in the output-side capacitor.
- the ultrasonic diagnostic apparatus of the present invention includes a plurality of transducers that transmit and receive ultrasonic waves, a transmission pulse generator that generates pulses for causing the transducers to transmit ultrasonic waves, and the transmission pulse generator. And a plurality of modes in which the transmission power supply outputs a voltage corresponding to each of a plurality of signal processing modes.
- the power supply side capacitor connected to the output side of the separate power supply, the power supply for each mode and stabilizing the voltage, and disposed between the output side of the power supply for each mode and the output side capacitor to supply power to the transmission pulse generator
- the ultrasonic diagnostic apparatus comprising a mode switching switch for switching the power supply for each mode to be supplied, the power supply for transmission is connected to the input side of the power supply for each mode and supplies power
- the output-side capacitor wherein a power supply for supply and one electrode terminal are connected to an input-side connection point of the power supply for power supply and the power supply for each mode and the mode switching switch, and the other electrode terminal is grounded
- the mode switching switch is capable of connecting the power regeneration capacitor to the output-side capacitor instead of the output side of the mode-specific power source. To do. With this configuration, the power charged in the output-side capacitor can be returned to the input side of the power supply for each mode. Power consumption can be reduced.
- the power regeneration capacitor includes a plurality of power regeneration capacitors, the plurality of power regeneration capacitors are connected in cascade to the mode-specific power source, and the plurality of power regeneration capacitors are switched to the mode. It is also possible to adopt a configuration provided with the power regeneration switch configured to be connected in parallel to the switch.
- the power regeneration switch When the mode switching switch connects the output side capacitor to the output side of the mode-specific power source, the power regeneration switch is connected to the mode-specific power source and the power source side capacitor.
- the power regeneration switch can be connected and controlled such that the power regeneration capacitors are arranged in tandem.
- the power regeneration switch When the mode switching switch connects the output side capacitor to the plurality of power regeneration capacitors, the power regeneration switch is connected to the mode switching switch by the plurality of power regeneration capacitors.
- the power regeneration switch can be connected and controlled so as to form a column.
- a configuration using a photo MOS relay in the mode switching switch may be employed.
- the internal resistance of the switch can be reduced, the capacitance of the capacitor between the mode-specific power supply and the transmission pulse generator can be set small, and power consumption can be reduced. it can.
- the mode switching switch can be configured to use a MEMS relay.
- the use of a MEMS relay in the switch reduces the internal resistance of the switch, reduces the capacity of the capacitor between the power supply for each mode and the transmission pulse generator, and reduces power consumption. Can do.
- the transmission power supply may be configured to use a DC-DC converter. This configuration makes it possible to perform efficient voltage conversion by using a DC-DC converter as a mode-specific power supply that can step up or step down, and reduce power consumption due to voltage conversion.
- the ultrasonic diagnostic apparatus uses the power stored in the output-side capacitor when the transmission pulse generator is switched between the B mode and the power error mode or the Doppler mode. By moving to a power regeneration capacitor connected to a low-voltage power supply, power can be reused and power consumption can be reduced.
- FIG. 1A is a block diagram of a transmission power supply unit constituting the ultrasonic diagnostic apparatus according to the first embodiment of the present invention.
- FIG. 1B is a timing diagram showing an operation in the composite mode in the ultrasonic diagnostic apparatus of FIG. 1A.
- FIG. 2A is a block diagram of a transmission power supply unit constituting the ultrasonic diagnostic apparatus according to the second embodiment of the present invention.
- FIG. 2B is a timing diagram showing an operation in the composite mode in the ultrasonic diagnostic apparatus of FIG. 2A.
- FIG. 3A is a block diagram of a power supply unit for transmission that constitutes another ultrasonic diagnostic apparatus according to the second embodiment of the present invention.
- FIG. 3B is a timing diagram showing an operation in the composite mode in the ultrasonic diagnostic apparatus of FIG. 3A.
- FIG. 4 is a block diagram of a conventional sector scanning ultrasonic diagnostic apparatus.
- FIG. 5A is a block diagram of a power supply unit for transmission constituting a conventional ultrasonic diagnostic apparatus.
- FIG. 5B is a timing diagram showing an operation in the composite mode in the ultrasonic diagnostic apparatus in FIG. 5A.
- FIG. 1A shows the configuration of a transmission power supply 11 (see FIG. 4) for supplying power to the transmission pulse generators 9 1 to 9 8 (see FIG. 4) of the transmission unit of the sector scan in the first embodiment of the present invention.
- the power supply for transmission 11 is a power supply for each mode 1A and IB that supplies power to the transmission pulse generators 9 1 to 98, a power supply for power supply 2 that supplies power to the power supply 1A and IB for each mode, and a power supply for each mode 1A, power supply side capacitors 3A and 3B for stabilizing the voltage of IB, and a power regeneration capacitor 4 for regenerating power.
- Each mode power supply 1A, IB generates a voltage corresponding to the signal processing mode (eg, B mode, color flow mode) of the ultrasonic diagnostic apparatus. Further, a mode switching switch 6 for connecting any one of the transmission pulse generators 9-1 to 9-8 to the mode-specific power sources 1A and IB and the power supply power source 2 is provided.
- the signal processing mode eg, B mode, color flow mode
- the controller 5 controls the voltages of the mode-specific power supplies 1A and IB.
- the output side capacitor 7 is arranged on the side of the transmission pulse generators 91 to 98 of the mode switching switch 6 and stabilizes the voltage to the transmission pulse generators 91 to 98.
- the output voltages VB1, VB2, and VB3 of the power sources 1A, IB and power supply 2 for each mode have a relationship of VB1>VB2> VB3.
- the ultrasonic diagnostic equipment is turned on. After that, under the control of the controller 5, the voltage of each mode power supply 1A, IB and power supply power supply 2 is set.
- the mode-specific power source 1A is used in the B mode
- the mode-specific power source 1B is used in the color flow mode.
- VB in Fig. 1B indicates the potential at the VB position in Fig. 1A, that is, the output voltage (voltage of output side capacitor 7) to transmission pulse generators 9-1 to 9-8.
- SW6 is the connection of mode switch 6 The output indicates the voltage of the transmission pulse that drives the transducer transmitted from the transmission pulse generators 9-1 to 98.
- mode switch 6 is connected to terminal a and transmits power stored in mode-specific power supply 1 A, power supply side capacitor 3A, and output side capacitor 7
- the pulse generators 9 1 to 9 8 are supplied to the transmission pulse generators 9 1 to 98, and the transmission pulses of amplitude VI are output.
- the mode switching switch 6 is switched to the terminal c, and the power stored in the output-side capacitor 7 is switched to the power via the mode switching switch 6. Move to regeneration capacitor 4.
- the capacitance C3 of the power regeneration capacitor 4 and the capacitance C4 of the output side capacitor 7 are C3> C4. Therefore, even if the voltage of the output side capacitor 7 is greatly reduced, the voltage of the power regeneration capacitor 4 does not change so much.
- the mode-specific power supplies 1A and IB include a booster circuit, and the output voltage can be set higher than the input voltage. For this reason, a voltage VB3 force lower than VB1 and VB2 can also produce VB1 and VB2. From the viewpoint of efficiency, it is better to use a switching DC-DC converter for the booster circuit included in the power supply 1A for each mode and IB.
- the mode switching switch 6 is switched again to the terminal a and the output capacitor 7 is charged.
- the VB voltage becomes VB1
- the transmit pulse generators 9 1 to 9 8 generate transmit pulses for B mode.
- the power of the output side capacitor 7 stored in the B mode is moved to the power regeneration capacitor 4 connected to the power supply source 2 having a low voltage, and the booster circuit is used to It is reused as power for mode and color mode. This can reduce power consumption when switching between modes.
- the mode switching switch 6 uses a photo MOS relay or a relay using MEMS (micro-elect mouth 'mechanical system), it can be switched at a high speed with low internal resistance.
- MEMS micro-elect mouth 'mechanical system
- FIG. 2A is a block diagram showing the transmission power supply 11 (see FIG. 4) of the transmission unit for sector scanning in the second embodiment of the present invention.
- the present embodiment replaces the power regeneration capacitor 4 with two power regeneration capacitors 4A and 4B, and the mode switching switch 6 and the power supply for each mode. 1C, ID and power regeneration switch 17A, 17B, 17C for connecting power supply 2 for power supply are added.
- the power supply for each mode 1C and ID uses a step-down power supply that is different from a step-up power supply.
- VB4 in FIG. 2A indicates the voltage between the power regeneration switch 17A and the power regeneration capacitor 4B.
- FIG. 2B is a timing chart showing transmission pulse generation and switching timing of the power regeneration switches 17A, 17B, and 17C.
- SW6, SW17A, SW17B, and SW17C indicate the connection state of mode switch 6 and power regeneration switch 17A, 17B, and 17C, respectively.
- the mode switching switch 6 is connected to the terminal a, the power regeneration switch 17A is turned on, and the power regeneration switch 17B is connected to the terminal b. Regenerative switch 17C is turned off. Therefore, power regeneration capacitors 4A and 4B are connected in cascade to the mode-specific power supply 1C, and VB4 is the sum of the voltage across the capacitor terminals and is input to the mode-specific power supply 1C and ID.
- the mode switching switch 6 is switched to the terminal c (power regeneration terminal), and the power regeneration switch 17A is turned off.
- Switch 17B for power regeneration is switched to terminal a, and switch 17C is turned on. It is.
- the two power regeneration capacitors 4A and 4B are connected in parallel to the mode switching switch 6, and the voltage VB4 applied to the power regeneration capacitors 4A and 4B is lower than the voltage VB of the output side capacitor 7, and the output
- the charge on the side capacitor 7 moves to the power regeneration capacitors 4A and 4B, and the voltage on the output side capacitor 7 drops to VB2.
- the mode switching switch 6 is switched to the terminal b, the power regeneration switch 17A is turned on, and the power regeneration switch 17B is Switched to terminal b, power switch 17C is turned off.
- the power regeneration capacitors 4A and 4B are connected in cascade with the mode-specific power source ID, and a voltage higher than VB2 is applied to the mode-specific power source.
- the mode-specific power supply 1D that outputs the voltage VB2 is connected to the output-side capacitor 7 and supplies the power of the voltage VB2 to the transmission pulse generators 91 to 98.
- mode switching switch 6 is connected to terminal a, and the voltage of VB rises to voltage VB1.
- the ultrasonic diagnostic apparatus includes the output-side capacitor 7 and the power regeneration capacitors 4A and 4B, which are connected by the mode switching switches 6, 17A, 17B, and 17C. By switching, the voltage of the output capacitor 7 is set and the power discharged by the output capacitor 7 is returned to the mode-specific power supply 1C and ID. For this reason, the ultrasonic diagnostic apparatus can suppress power consumption.
- the number of power regeneration capacitors may be three or more as shown in the case of two.
- the power supply 2 for the mode is directly connected to the power supply 1C and the ID, and the two power regeneration capacitors 4C and 4D and the three power regeneration switches 17D and 17E. It can also be configured with 17F.
- the power regeneration switch 17D connects the power regeneration capacitors 4C and 4D to the mode-specific power supply 1C and ID, and the power regeneration switch 17E switches whether or not the power regeneration capacitor 4C is grounded. To do.
- the power regeneration switch 17D connects the power regeneration capacitor 4D to one of the terminals of the power regeneration capacitor 4C.
- FIG. 3B shows a switch tie between the generation of transmission pulses and the switches 17D, 17E, and 17F for power regeneration.
- FIG. 2B is a timing chart showing the timing, and SW17A, 17B, and 17C are replaced with SW (switches) 17D, 17E, and 17F in the timing chart of FIG. 2B.
- the present invention is useful as an ultrasonic diagnostic apparatus having a plurality of signal processing modes and having low power consumption and low calorific value by reusing electric power stored in the output-side capacitor.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005000556T DE112005000556B4 (de) | 2004-08-24 | 2005-07-25 | Ultraschalldiagnostikapparat |
JP2006531395A JP4597993B2 (ja) | 2004-08-24 | 2005-07-25 | 超音波診断装置 |
US10/583,025 US7699777B2 (en) | 2004-08-24 | 2005-07-25 | Ultrasonic diagnostic apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-244117 | 2004-08-24 | ||
JP2004244117 | 2004-08-24 |
Publications (1)
Publication Number | Publication Date |
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WO2006022106A1 true WO2006022106A1 (ja) | 2006-03-02 |
Family
ID=35967325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013586 WO2006022106A1 (ja) | 2004-08-24 | 2005-07-25 | 超音波診断装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7699777B2 (ja) |
JP (1) | JP4597993B2 (ja) |
CN (1) | CN100512761C (ja) |
DE (1) | DE112005000556B4 (ja) |
WO (1) | WO2006022106A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011013329A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 超音波診断装置 |
KR20120090832A (ko) * | 2011-02-04 | 2012-08-17 | 지이 메디컬 시스템즈 글로발 테크놀러지 캄파니 엘엘씨 | 초음파 이미지 표시 장치 전원 회로 및 초음파 이미지 표시 장치 |
JP2015097657A (ja) * | 2013-11-19 | 2015-05-28 | 株式会社東芝 | 超音波診断装置 |
JP2015119921A (ja) * | 2013-12-25 | 2015-07-02 | コニカミノルタ株式会社 | 超音波診断装置 |
JP2018191798A (ja) * | 2017-05-15 | 2018-12-06 | 株式会社日立製作所 | 電源装置および超音波診断装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8138859B2 (en) * | 2008-04-21 | 2012-03-20 | Formfactor, Inc. | Switch for use in microelectromechanical systems (MEMS) and MEMS devices incorporating same |
JP2011004998A (ja) * | 2009-06-26 | 2011-01-13 | Ge Medical Systems Global Technology Co Llc | 超音波振動子駆動回路及び超音波診断装置 |
KR101348769B1 (ko) * | 2010-12-20 | 2014-01-07 | 삼성메디슨 주식회사 | 임의 파형에 기초하여 전원을 제어하는 초음파 시스템 |
KR101501514B1 (ko) | 2011-01-31 | 2015-03-12 | 삼성메디슨 주식회사 | 초음파 진단 장치 및 초음파 진단 장치의 출력 제어 방법 |
US20150148672A1 (en) * | 2012-05-31 | 2015-05-28 | Koninklijke Philips N.V. | Ultrasound tranducer assembly and method for driving an ultrasound transducer head |
JP6158010B2 (ja) * | 2013-09-20 | 2017-07-05 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 電源回路及び超音波画像表示装置 |
KR102457219B1 (ko) * | 2015-01-13 | 2022-10-21 | 삼성메디슨 주식회사 | 초음파 영상 장치 및 그 제어 방법 |
JP6542047B2 (ja) * | 2015-07-03 | 2019-07-10 | キヤノンメディカルシステムズ株式会社 | 超音波診断装置 |
KR102394729B1 (ko) * | 2018-02-09 | 2022-05-09 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | 초음파 시스템의 송신 전원 공급 장치 |
US11607199B2 (en) * | 2018-11-20 | 2023-03-21 | Siemens Medical Solutions Usa, Inc. | Switched capacitor for elasticity mode imaging with ultrasound |
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- 2005-07-25 CN CNB2005800047967A patent/CN100512761C/zh not_active Expired - Fee Related
- 2005-07-25 JP JP2006531395A patent/JP4597993B2/ja not_active Expired - Fee Related
- 2005-07-25 US US10/583,025 patent/US7699777B2/en not_active Expired - Fee Related
- 2005-07-25 WO PCT/JP2005/013586 patent/WO2006022106A1/ja active Application Filing
- 2005-07-25 DE DE112005000556T patent/DE112005000556B4/de not_active Expired - Fee Related
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JPH0385146A (ja) * | 1989-08-29 | 1991-04-10 | Toshiba Corp | 超音波診断装置 |
JPH11290321A (ja) * | 1998-04-14 | 1999-10-26 | Toshiba Corp | 超音波診断装置 |
JP2001292567A (ja) * | 2000-04-06 | 2001-10-19 | Nagano Japan Radio Co | Dc/dcコンバータ |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011013329A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 超音波診断装置 |
JP5614406B2 (ja) * | 2009-07-31 | 2014-10-29 | コニカミノルタ株式会社 | 超音波診断装置 |
US8951196B2 (en) | 2009-07-31 | 2015-02-10 | Konica Minolta, Inc. | Ultrasonograph |
KR20120090832A (ko) * | 2011-02-04 | 2012-08-17 | 지이 메디컬 시스템즈 글로발 테크놀러지 캄파니 엘엘씨 | 초음파 이미지 표시 장치 전원 회로 및 초음파 이미지 표시 장치 |
JP2012161429A (ja) * | 2011-02-04 | 2012-08-30 | Ge Medical Systems Global Technology Co Llc | 超音波画像表示装置用電源回路及び超音波画像表示装置 |
CN102688069A (zh) * | 2011-02-04 | 2012-09-26 | Ge医疗系统环球技术有限公司 | 超声图像显示装置电源电路和超声图像显示装置 |
JP2015097657A (ja) * | 2013-11-19 | 2015-05-28 | 株式会社東芝 | 超音波診断装置 |
JP2015119921A (ja) * | 2013-12-25 | 2015-07-02 | コニカミノルタ株式会社 | 超音波診断装置 |
JP2018191798A (ja) * | 2017-05-15 | 2018-12-06 | 株式会社日立製作所 | 電源装置および超音波診断装置 |
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US20070160540A1 (en) | 2007-07-12 |
DE112005000556B4 (de) | 2009-04-16 |
CN1917817A (zh) | 2007-02-21 |
JPWO2006022106A1 (ja) | 2008-05-08 |
DE112005000556T5 (de) | 2007-03-01 |
JP4597993B2 (ja) | 2010-12-15 |
US7699777B2 (en) | 2010-04-20 |
CN100512761C (zh) | 2009-07-15 |
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