JP2010114711A5 - - Google Patents
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- JP2010114711A5 JP2010114711A5 JP2008286223A JP2008286223A JP2010114711A5 JP 2010114711 A5 JP2010114711 A5 JP 2010114711A5 JP 2008286223 A JP2008286223 A JP 2008286223A JP 2008286223 A JP2008286223 A JP 2008286223A JP 2010114711 A5 JP2010114711 A5 JP 2010114711A5
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- JP
- Japan
- Prior art keywords
- modulation
- pulse
- circuit
- signal
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003321 amplification Effects 0.000 claims 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims 4
- 238000009499 grossing Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
Claims (2)
前記ΔΣ変調回路でパルス変調された変調信号を電力増幅するデジタル電力増幅回路と、
前記デジタル電力増幅回路で電力増幅された電力増幅変調信号を平滑化し、前記駆動信号として出力する平滑フィルタと、
前記ΔΣ変調回路によって前記パルス変調された変調信号のパルス幅を、所定の時間長さ以上に制御する制御信号を前記ΔΣ変調回路に入力することによって調整するパルス幅調整回路と、
を備える電力増幅装置を有する液体噴射装置。 A ΔΣ modulation circuit that pulse-modulates the amplitude value of the drive waveform signal serving as a reference of the drive signal to be output into a modulation signal composed of a pulse duty;
A digital power amplifier circuit that amplifies the power of the modulation signal pulse-modulated by the ΔΣ modulation circuit;
A smoothing filter that smoothes the power amplification modulation signal that has been power amplified by the digital power amplification circuit, and outputs the smoothed output as the drive signal;
A pulse width adjustment circuit that adjusts a pulse width of the modulation signal that is pulse-modulated by the ΔΣ modulation circuit by inputting to the ΔΣ modulation circuit a control signal for controlling the pulse width to a predetermined time length or more ;
A liquid ejecting apparatus having a power amplifying apparatus.
前記ΔΣ変調回路でパルス変調された変調信号を電力増幅するデジタル電力増幅回路と、
前記デジタル電力増幅回路で電力増幅された電力増幅変調信号を平滑化し、前記駆動信号として出力する平滑フィルタと、
前記ΔΣ変調回路によって前記パルス変調された変調信号のパルス幅を、所定の時間長さ以上に制御する制御信号を前記ΔΣ変調回路に入力することによって調整するパルス幅調整回路と、
を備える電力増幅装置を有する液体噴射型印刷装置。 A ΔΣ modulation circuit that pulse-modulates the amplitude value of the drive waveform signal serving as a reference of the drive signal to be output into a modulation signal composed of a pulse duty;
A digital power amplifier circuit that amplifies the power of the modulation signal pulse-modulated by the ΔΣ modulation circuit;
A smoothing filter that smoothes the power amplification modulation signal that has been power amplified by the digital power amplification circuit, and outputs the smoothed output as the drive signal;
A pulse width adjustment circuit that adjusts a pulse width of the modulation signal that is pulse-modulated by the ΔΣ modulation circuit by inputting to the ΔΣ modulation circuit a control signal for controlling the pulse width to a predetermined time length or more ;
A liquid jet printing apparatus having a power amplifying apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008286223A JP2010114711A (en) | 2008-11-07 | 2008-11-07 | Power-amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008286223A JP2010114711A (en) | 2008-11-07 | 2008-11-07 | Power-amplifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010114711A JP2010114711A (en) | 2010-05-20 |
| JP2010114711A5 true JP2010114711A5 (en) | 2011-11-17 |
Family
ID=42302914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008286223A Withdrawn JP2010114711A (en) | 2008-11-07 | 2008-11-07 | Power-amplifying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2010114711A (en) |
Families Citing this family (63)
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| JP5861305B2 (en) * | 2011-08-02 | 2016-02-16 | セイコーエプソン株式会社 | Driving circuit and driving method for driving a liquid discharge head |
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| JP2014076567A (en) * | 2012-10-10 | 2014-05-01 | Seiko Epson Corp | Liquid jet device |
| JP2014076561A (en) | 2012-10-10 | 2014-05-01 | Seiko Epson Corp | Liquid jet device and liquid jet method |
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| JP6221286B2 (en) * | 2013-03-22 | 2017-11-01 | セイコーエプソン株式会社 | Liquid ejection device and capacitive load drive circuit |
| JP6213720B2 (en) | 2013-08-20 | 2017-10-18 | セイコーエプソン株式会社 | Liquid ejecting apparatus, control method thereof, and program |
| JP6206654B2 (en) | 2013-08-30 | 2017-10-04 | セイコーエプソン株式会社 | Liquid ejection device and head unit |
| JP6206655B2 (en) | 2013-08-30 | 2017-10-04 | セイコーエプソン株式会社 | Liquid ejection device and head unit |
| JP6233036B2 (en) | 2014-01-16 | 2017-11-22 | セイコーエプソン株式会社 | Liquid ejection device, head unit, and liquid ejection device control method |
| JP6291910B2 (en) | 2014-03-03 | 2018-03-14 | セイコーエプソン株式会社 | Liquid ejecting apparatus and method for controlling liquid ejecting apparatus |
| JP6287341B2 (en) | 2014-03-03 | 2018-03-07 | セイコーエプソン株式会社 | Liquid ejecting apparatus and method for controlling liquid ejecting apparatus |
| JP6394004B2 (en) | 2014-03-03 | 2018-09-26 | セイコーエプソン株式会社 | Liquid ejecting apparatus and method for controlling liquid ejecting apparatus |
| JP6384080B2 (en) | 2014-03-25 | 2018-09-05 | セイコーエプソン株式会社 | Liquid ejecting apparatus and method for controlling liquid ejecting apparatus |
| JP2015212045A (en) | 2014-05-02 | 2015-11-26 | セイコーエプソン株式会社 | Liquid discharge device and control method of the same |
| JP6384122B2 (en) | 2014-05-26 | 2018-09-05 | セイコーエプソン株式会社 | Liquid ejection device |
| JP6365101B2 (en) | 2014-08-12 | 2018-08-01 | セイコーエプソン株式会社 | Liquid ejection device and head unit |
| JP2016040085A (en) | 2014-08-12 | 2016-03-24 | セイコーエプソン株式会社 | Liquid emission device and head unit |
| JP6488587B2 (en) | 2014-08-12 | 2019-03-27 | セイコーエプソン株式会社 | Liquid ejection device and head unit |
| JP6528391B2 (en) | 2014-11-25 | 2019-06-12 | セイコーエプソン株式会社 | Liquid discharge apparatus, head unit, integrated circuit device for driving capacitive load, and capacitive load drive circuit |
| JP6421560B2 (en) | 2014-11-25 | 2018-11-14 | セイコーエプソン株式会社 | Liquid ejection device, head unit, integrated circuit device for capacitive load driving, and capacitive load driving circuit |
| JP6390843B2 (en) | 2014-12-10 | 2018-09-19 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and capacitive load driving integrated circuit device |
| JP6443621B2 (en) | 2014-12-10 | 2018-12-26 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and integrated circuit device |
| JP6347327B2 (en) | 2014-12-10 | 2018-06-27 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and capacitive load driving integrated circuit device |
| JP6372333B2 (en) | 2014-12-11 | 2018-08-15 | セイコーエプソン株式会社 | Liquid ejection device, head unit, integrated circuit device for capacitive load driving, and capacitive load driving circuit |
| JP6365281B2 (en) | 2014-12-11 | 2018-08-01 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and capacitive load driving integrated circuit device |
| JP6365282B2 (en) | 2014-12-11 | 2018-08-01 | セイコーエプソン株式会社 | Liquid ejection device, head unit, integrated circuit device for capacitive load driving, and capacitive load driving circuit |
| JP6369686B2 (en) | 2014-12-15 | 2018-08-08 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and capacitive load driving integrated circuit device |
| JP6428311B2 (en) | 2015-01-28 | 2018-11-28 | セイコーエプソン株式会社 | Liquid ejection device, head unit, capacitive load driving circuit, and capacitive load driving integrated circuit device |
| JP2016141070A (en) | 2015-02-03 | 2016-08-08 | セイコーエプソン株式会社 | Liquid discharge device, head unit, capacitive load driving circuit and capacitive load driving circuit control method |
| JP2016141104A (en) | 2015-02-04 | 2016-08-08 | セイコーエプソン株式会社 | Liquid discharge device, head unit, capacitive load drive circuit and method for controlling capacitive load drive circuit |
| JP2016141105A (en) | 2015-02-04 | 2016-08-08 | セイコーエプソン株式会社 | Liquid discharge device, head unit, capacitive load driving circuit, and capacitive load driving circuit control method |
| JP2016150493A (en) | 2015-02-17 | 2016-08-22 | セイコーエプソン株式会社 | Liquid discharge device, head unit, capacitive load drive circuit and control method for capacitive load drive circuit |
| JP6728761B2 (en) | 2015-03-20 | 2020-07-22 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit and head unit |
| JP6455264B2 (en) | 2015-03-20 | 2019-01-23 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit and head unit |
| JP2016175333A (en) | 2015-03-20 | 2016-10-06 | セイコーエプソン株式会社 | Liquid discharge device, drive circuit and head unit |
| JP6572645B2 (en) | 2015-07-01 | 2019-09-11 | セイコーエプソン株式会社 | Liquid ejection device |
| JP6507936B2 (en) | 2015-08-26 | 2019-05-08 | セイコーエプソン株式会社 | Liquid discharge device |
| JP6520574B2 (en) | 2015-08-27 | 2019-05-29 | セイコーエプソン株式会社 | Liquid discharge apparatus and head unit |
| JP6645109B2 (en) | 2015-10-09 | 2020-02-12 | セイコーエプソン株式会社 | Liquid ejection device and drive circuit |
| JP6578884B2 (en) | 2015-10-26 | 2019-09-25 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit and head unit |
| JP6090420B2 (en) * | 2015-12-24 | 2017-03-08 | セイコーエプソン株式会社 | Driving circuit and driving method for driving a liquid discharge head |
| JP6766372B2 (en) | 2016-02-26 | 2020-10-14 | セイコーエプソン株式会社 | Drive circuit and liquid discharge device |
| JP6716953B2 (en) | 2016-02-26 | 2020-07-01 | セイコーエプソン株式会社 | Liquid ejection device and drive circuit |
| JP6794635B2 (en) | 2016-02-26 | 2020-12-02 | セイコーエプソン株式会社 | Drive circuit, drive circuit control method and liquid discharge device |
| JP2017149063A (en) | 2016-02-26 | 2017-08-31 | セイコーエプソン株式会社 | Liquid discharge apparatus, driving circuit, and head unit |
| JP6753075B2 (en) | 2016-02-26 | 2020-09-09 | セイコーエプソン株式会社 | Drive circuit and liquid discharge device |
| JP6759644B2 (en) | 2016-03-18 | 2020-09-23 | セイコーエプソン株式会社 | Liquid discharge device and drive circuit |
| JP6759643B2 (en) | 2016-03-18 | 2020-09-23 | セイコーエプソン株式会社 | Liquid discharge device, drive circuit and integrated circuit |
| JP6668858B2 (en) | 2016-03-18 | 2020-03-18 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit and integrated circuit |
| JP6699414B2 (en) | 2016-07-08 | 2020-05-27 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit and integrated circuit |
| JP6836120B2 (en) | 2016-08-08 | 2021-02-24 | セイコーエプソン株式会社 | Liquid discharge device and drive circuit |
| JP6747216B2 (en) | 2016-09-26 | 2020-08-26 | セイコーエプソン株式会社 | Liquid ejection device, drive circuit, and drive method |
| JP6222332B2 (en) * | 2016-11-04 | 2017-11-01 | セイコーエプソン株式会社 | Printing apparatus and printing method |
| JP6222333B2 (en) * | 2016-11-04 | 2017-11-01 | セイコーエプソン株式会社 | Printing apparatus and printing method |
| JP6922263B2 (en) | 2017-03-06 | 2021-08-18 | セイコーエプソン株式会社 | Liquid discharge device and drive circuit for capacitive load |
| JP7009758B2 (en) * | 2017-03-23 | 2022-01-26 | セイコーエプソン株式会社 | Printing equipment and circuit boards for printing equipment |
| JP6879088B2 (en) | 2017-07-06 | 2021-06-02 | セイコーエプソン株式会社 | Liquid discharge device, circuit board and integrated circuit device |
| JP6874571B2 (en) | 2017-07-06 | 2021-05-19 | セイコーエプソン株式会社 | Liquid discharge device, circuit board and integrated circuit device |
| JP7039970B2 (en) | 2017-11-30 | 2022-03-23 | セイコーエプソン株式会社 | Liquid discharge device and drive circuit |
| JP7091704B2 (en) | 2018-02-26 | 2022-06-28 | セイコーエプソン株式会社 | Liquid discharge device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007312258A (en) * | 2006-05-22 | 2007-11-29 | Sharp Corp | Pulse signal generating apparatus |
| JP2008113424A (en) * | 2006-10-03 | 2008-05-15 | Seiko Epson Corp | Control method of class-d amplifier, control circuit for class-d amplifier, driving circuit for capacitive load, transducer, ultrasonic speaker, display device, directional acoustic system, and printer |
-
2008
- 2008-11-07 JP JP2008286223A patent/JP2010114711A/en not_active Withdrawn
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