JP5320975B2 - パルス幅変調回路、及び流体噴射装置 - Google Patents

パルス幅変調回路、及び流体噴射装置 Download PDF

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Publication number
JP5320975B2
JP5320975B2 JP2008271962A JP2008271962A JP5320975B2 JP 5320975 B2 JP5320975 B2 JP 5320975B2 JP 2008271962 A JP2008271962 A JP 2008271962A JP 2008271962 A JP2008271962 A JP 2008271962A JP 5320975 B2 JP5320975 B2 JP 5320975B2
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Japan
Prior art keywords
signal
pulse width
width modulation
unit
comparison
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JP2008271962A
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English (en)
Japanese (ja)
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JP2010103680A5 (enExample
JP2010103680A (ja
Inventor
新一 宮▲崎▼
敦 大島
浩行 吉野
晋亮 阿左美
典孝 井出
邦夫 田端
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2008271962A priority Critical patent/JP5320975B2/ja
Priority to US12/582,766 priority patent/US8022743B2/en
Publication of JP2010103680A publication Critical patent/JP2010103680A/ja
Publication of JP2010103680A5 publication Critical patent/JP2010103680A5/ja
Application granted granted Critical
Publication of JP5320975B2 publication Critical patent/JP5320975B2/ja
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04593—Dot-size modulation by changing the size of the drop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04596—Non-ejecting pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/0015—Layout of the delay element
    • H03K2005/00234—Layout of the delay element using circuits having two logic levels
    • H03K2005/00247—Layout of the delay element using circuits having two logic levels using counters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Amplifiers (AREA)
JP2008271962A 2008-10-22 2008-10-22 パルス幅変調回路、及び流体噴射装置 Active JP5320975B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008271962A JP5320975B2 (ja) 2008-10-22 2008-10-22 パルス幅変調回路、及び流体噴射装置
US12/582,766 US8022743B2 (en) 2008-10-22 2009-10-21 Pulse width modulation circuit and liquid jet printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008271962A JP5320975B2 (ja) 2008-10-22 2008-10-22 パルス幅変調回路、及び流体噴射装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013149448A Division JP5585700B2 (ja) 2013-07-18 2013-07-18 駆動回路、および液体噴射装置

Publications (3)

Publication Number Publication Date
JP2010103680A JP2010103680A (ja) 2010-05-06
JP2010103680A5 JP2010103680A5 (enExample) 2011-11-10
JP5320975B2 true JP5320975B2 (ja) 2013-10-23

Family

ID=42108173

Family Applications (1)

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JP2008271962A Active JP5320975B2 (ja) 2008-10-22 2008-10-22 パルス幅変調回路、及び流体噴射装置

Country Status (2)

Country Link
US (1) US8022743B2 (enExample)
JP (1) JP5320975B2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5277694B2 (ja) * 2008-04-03 2013-08-28 日本電気株式会社 半導体集積回路
CN102324891B (zh) * 2011-09-10 2013-04-24 李嘉文 一种电机稳速控制电路及数字pwm控制电路
US8765224B2 (en) * 2012-03-28 2014-07-01 Sharp Laboratories Of America, Inc. Controlling printed ink line widths using fluoropolymer templates
JP6012072B2 (ja) * 2012-12-04 2016-10-25 Ｎｅｃエンジニアリング株式会社 デジタル復調回路、デジタル復調方法及びデジタル復調用プログラム
GB2530046B (en) 2014-09-10 2017-05-24 Xaar Technology Ltd Printhead drive circuit with variable resistance
GB2530045B (en) * 2014-09-10 2017-05-03 Xaar Technology Ltd Actuating element driver circuit with trim control
GB2530047B (en) 2014-09-10 2017-05-03 Xaar Technology Ltd Printhead circuit with trimming
JP6562758B2 (ja) * 2015-08-07 2019-08-21 キヤノン株式会社 Ｐｗｍ信号生成装置、モーター制御装置及び光走査装置
US10749717B2 (en) * 2017-06-29 2020-08-18 Analog Devices, Inc. Demodulator for pulse-width modulated clock signals
JP6848795B2 (ja) 2017-09-29 2021-03-24 ブラザー工業株式会社 液滴吐出装置及びコンピュータプログラム
WO2019103739A1 (en) 2017-11-22 2019-05-31 Hewlett-Packard Development Company, L.P. Fluidic die regulation modules
JP7062980B2 (ja) * 2018-01-31 2022-05-09 セイコーエプソン株式会社 液体吐出装置
CN108146076B (zh) * 2018-02-24 2023-09-15 北京博源恒芯科技股份有限公司 一种用于驱动喷墨打印机喷头的全数字功率放大器
JP6973293B2 (ja) * 2018-05-24 2021-11-24 株式会社オートネットワーク技術研究所 電圧変換装置
CN109104171A (zh) * 2018-08-09 2018-12-28 成都黎声科技有限公司 一种pwm波形发生器
CN114978128B (zh) * 2022-07-29 2022-12-30 广东曜芯科技有限公司 脉冲宽度调制波形的控制方法和装置

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Publication number Priority date Publication date Assignee Title
JPS58105493A (ja) * 1981-12-16 1983-06-23 Matsushita Electric Ind Co Ltd パルス信号振幅記憶保持装置
JP3001623B2 (ja) 1990-10-23 2000-01-24 松下電器産業株式会社 Ｐｗｍ型ｄ／ａ変換器
JPH0527540A (ja) * 1991-07-18 1993-02-05 Canon Inc 画像書き込み装置
JP2947204B2 (ja) * 1997-02-24 1999-09-13 日本電気株式会社 Ｌｓｉの故障箇所の特定化方法
JPH11330932A (ja) * 1998-05-18 1999-11-30 Canon Inc 信号生成回路及び画像形成装置
JP2000059990A (ja) * 1998-08-17 2000-02-25 Hitachi Ltd 安定化電源装置
JP2003088131A (ja) * 2001-09-05 2003-03-20 Mitsubishi Electric Corp Ｐｗｍ回路およびこのｐｗｍ回路を用いたインバータ装置
KR100487654B1 (ko) * 2002-10-22 2005-05-03 삼성전자주식회사 저전력 플립플롭 회로
US6825644B2 (en) * 2002-11-14 2004-11-30 Fyre Storm, Inc. Switching power converter
JP4065804B2 (ja) 2003-04-08 2008-03-26 松下電器産業株式会社 半導体装置
JP2004357450A (ja) * 2003-05-30 2004-12-16 Matsushita Electric Ind Co Ltd Ｐｗｍ回路およびマイクロコントローラ
JP4639922B2 (ja) 2004-04-20 2011-02-23 富士ゼロックス株式会社 容量性負荷の駆動回路及び方法、液滴吐出装置、液滴吐出ユニット、インクジェットヘッドの駆動回路
JP2008132765A (ja) * 2006-10-25 2008-06-12 Seiko Epson Corp 液体噴射装置および印刷装置
JP2008219155A (ja) * 2007-02-28 2008-09-18 Toyota Motor Corp Ｐｗｍ信号生成回路
KR101309293B1 (ko) * 2007-03-28 2013-09-16 페어차일드코리아반도체 주식회사 스위칭 모드 파워 서플라이 및 그 구동 방법
JP5256713B2 (ja) * 2007-11-29 2013-08-07 セイコーエプソン株式会社 容量性負荷の駆動回路、液体噴射装置及び印刷装置

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Publication number Publication date
US8022743B2 (en) 2011-09-20
US20100097114A1 (en) 2010-04-22
JP2010103680A (ja) 2010-05-06

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