JP2006251167A5 - - Google Patents

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JP2006251167A5
JP2006251167A5 JP2005065493A JP2005065493A JP2006251167A5 JP 2006251167 A5 JP2006251167 A5 JP 2006251167A5 JP 2005065493 A JP2005065493 A JP 2005065493A JP 2005065493 A JP2005065493 A JP 2005065493A JP 2006251167 A5 JP2006251167 A5 JP 2006251167A5
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Prior art keywords
signal
drive
drive signal
mirror
driving
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JP2005065493A
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JP4830319B2 (en
JP2006251167A (en
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Priority to JP2005065493A priority Critical patent/JP4830319B2/en
Priority claimed from JP2005065493A external-priority patent/JP4830319B2/en
Priority to US11/107,981 priority patent/US7557822B2/en
Priority to EP05008544A priority patent/EP1589364A3/en
Publication of JP2006251167A publication Critical patent/JP2006251167A/en
Publication of JP2006251167A5 publication Critical patent/JP2006251167A5/ja
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Publication of JP4830319B2 publication Critical patent/JP4830319B2/en
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Claims (8)

受信した画像形成指令に対する画像信号を出力するコントローラと、
前記コントローラからの画像信号に応じて変調された光ビームを共振振動する振動ミラーにより主走査方向に走査させて潜像担持体上に潜像を形成するエンジン部とを有する画像形成装置であって、
前記コントローラは基準信号を発生させて前記エンジン部に出力し、
前記エンジン部は、前記振動ミラーの駆動周期を検出して該駆動周期に関連する駆動周期信号を出力する検出手段と、
前記振動ミラーの駆動を制御するための駆動信号を出力する駆動信号制御手段と、
前記駆動信号制御手段から出力される駆動信号に基づき前記振動ミラーを駆動させるミラー制御手段とを備え、
前記駆動信号制御手段は、前記基準信号の位相と前記駆動周期信号の位相とが所定の相対関係を有するように、前記駆動信号を制御することを特徴とする画像形成装置。 A controller for outputting an image signal against the received image formation command,
Met image forming apparatus and an engine unit which forms a by the vibration mirror which resonant oscillation of the light beam modulated according to an image signal by scanning in a main scanning direction latent image on the latent image carrier from said controller ,
The controller generates a reference signal and outputs it to the engine unit,
The engine unit detects a driving cycle of the vibrating mirror and outputs a driving cycle signal related to the driving cycle ;
Drive signal control means for outputting a drive signal for controlling the drive of the vibrating mirror ;
Mirror control means for driving the vibrating mirror based on the drive signal output from the drive signal control means,
It said driving signal control means, as the phase of said driving period signal before Symbol reference signal has a predetermined relative relationship, the image forming apparatus and controls the driving signal. 前記駆動信号制御手段は、予め定められた駆動周波数を有する基準駆動信号を発生させる基準駆動信号発生部を有し、前記振動ミラーの駆動開始段階では前記基準駆動信号に基づき前記振動ミラーを駆動させた後、前記検出手段から出力される前記駆動周期信号と前記コントローラから与えられる前記基準信号とに基づき駆動信号を制御して前記振動ミラーを前記駆動周波数で駆動させる請求項１記載の画像形成装置。   The drive signal control unit includes a reference drive signal generation unit that generates a reference drive signal having a predetermined drive frequency, and drives the vibrating mirror based on the reference drive signal at a driving start stage of the vibrating mirror. 2. The image forming apparatus according to claim 1, wherein the vibration mirror is driven at the drive frequency by controlling a drive signal based on the drive cycle signal output from the detection unit and the reference signal provided from the controller. . 前記エンジン部は、
前記振動ミラーの共振周波数を調整する共振周波数調整手段と、
前記検出手段から出力される前記駆動周期信号に基づき前記振動ミラーの共振周波数が前記駆動周波数とほぼ一致するように前記共振周波数調整手段を制御する周波数制御部と
をさらに備えた請求項２記載の画像形成装置。 The engine part is
Resonance frequency adjusting means for adjusting the resonance frequency of the vibrating mirror;
The frequency control unit according to claim 2, further comprising: a frequency control unit that controls the resonance frequency adjusting unit so that a resonance frequency of the vibrating mirror substantially matches the driving frequency based on the driving cycle signal output from the detection unit. Image forming apparatus. 前記駆動信号制御手段は、前記基準駆動信号に基づき前記振動ミラーが駆動されながら前記周波数制御部により前記振動ミラーの共振周波数が前記駆動周波数とほぼ一致するように調整された後に、前記駆動周期信号と前記基準信号とに基づき駆動信号を制御して前記振動ミラーを駆動させる請求項３記載の画像形成装置。   The drive signal control means adjusts the resonance frequency of the oscillating mirror so that it substantially coincides with the drive frequency while the oscillating mirror is driven based on the reference drive signal, and then the drive cycle signal The image forming apparatus according to claim 3, wherein the vibration mirror is driven by controlling a drive signal based on the reference signal and the reference signal. 前記ミラー制御手段は、前記検出手段から出力される前記駆動周期信号に基づき前記振動ミラーの振幅を調整する請求項２記載の画像形成装置。   The image forming apparatus according to claim 2, wherein the mirror control unit adjusts an amplitude of the vibrating mirror based on the drive period signal output from the detection unit. 前記駆動信号制御手段は、前記基準駆動信号に基づき前記振動ミラーを駆動させながら前記ミラー制御手段により前記振動ミラーの振幅が調整された後に、前記駆動周期信号と前記基準信号とに基づき駆動信号を制御して前記振動ミラーを駆動させる請求項５記載の画像形成装置。   The drive signal control means adjusts the amplitude of the oscillating mirror by the mirror control means while driving the oscillating mirror based on the reference drive signal, and then outputs a drive signal based on the drive cycle signal and the reference signal. The image forming apparatus according to claim 5, wherein the vibration mirror is driven by control. 前記駆動信号制御手段による駆動信号の制御はＰＬＬ制御により行われる請求項１ないし６のいずれかに記載の画像形成装置。   The image forming apparatus according to claim 1, wherein the drive signal is controlled by the drive signal control unit by PLL control. 受信した画像形成指令に対する画像信号を出力するコントローラと、
前記コントローラからの画像信号に応じて変調された光ビームを、駆動信号に基づき共振振動する振動ミラーにより主走査方向に走査させて潜像担持体上に潜像を形成するエンジン部とを有する画像形成装置を用いて画像を形成する画像形成方法であって、
前記エンジン部に設けられた基準駆動信号発生部から出力される基準駆動信号を前記駆動信号として前記振動ミラーの駆動を開始する工程と、
前記振動ミラーの駆動周期を検出して該駆動周期に関連する駆動周期信号を出力する工程と、
前記コントローラから前記エンジン部に与えられる基準信号の位相と前記駆動周期信号の位相とが所定の相対関係を有するように、前記駆動信号を制御して前記振動ミラーの共振動作を装置各部と同期させる工程と
を備えたことを特徴とする画像形成方法。 A controller for outputting an image signal against the received image formation command,
An image having an engine unit that forms a latent image on a latent image carrier by causing a light beam modulated according to an image signal from the controller to scan in a main scanning direction by a vibrating mirror that resonates and oscillates based on a drive signal. met image forming method for forming an image using the forming apparatus,
A step of starting the driving of the vibrating mirror a reference drive signal outputted from the reference drive signal generating portion provided on the engine unit as the drive signal,
Detecting a driving cycle of the vibrating mirror and outputting a driving cycle signal related to the driving cycle;
The drive signal is controlled so that the resonance operation of the vibrating mirror is synchronized with each part of the apparatus so that the phase of the reference signal given from the controller to the engine unit and the phase of the drive cycle signal have a predetermined relative relationship. And an image forming method.
JP2005065493A 2004-04-20 2005-03-09 Image forming method Expired - Fee Related JP4830319B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005065493A JP4830319B2 (en) 2005-03-09 2005-03-09 Image forming method
US11/107,981 US7557822B2 (en) 2004-04-20 2005-04-14 Apparatus for and method of forming image using oscillation mirror
EP05008544A EP1589364A3 (en) 2004-04-20 2005-04-19 Apparatus for and method of forming image using oscillation mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005065493A JP4830319B2 (en) 2005-03-09 2005-03-09 Image forming method

Publications (3)

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JP2006251167A JP2006251167A (en) 2006-09-21
JP2006251167A5 true JP2006251167A5 (en) 2008-04-24
JP4830319B2 JP4830319B2 (en) 2011-12-07

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JP2014059449A (en) * 2012-09-18 2014-04-03 Denso Corp Driving device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2981600B2 (en) * 1996-01-17 1999-11-22 オムロン株式会社 Optical scanner and optical sensor device using the same
JP2000181178A (en) * 1998-12-16 2000-06-30 Canon Inc Image forming device
JP4346828B2 (en) * 2001-03-15 2009-10-21 シチズンファインテックミヨタ株式会社 Planar type galvanometer mirror drive circuit
JP2002292933A (en) * 2001-03-30 2002-10-09 Canon Inc Color imaging apparatus and method for adjusting laser pulse width of the same
JP4342779B2 (en) * 2002-06-18 2009-10-14 日本信号株式会社 Synchronous signal detection device for electromagnetic actuator and electromagnetic actuator using the same
JP2004287214A (en) * 2003-03-24 2004-10-14 Seiko Epson Corp Exposure device and image forming apparatus
JP4361745B2 (en) * 2003-02-27 2009-11-11 日本信号株式会社 Electromagnetic drive type optical scanning device
JP4349825B2 (en) * 2003-03-18 2009-10-21 株式会社リコー Optical scanning apparatus and image forming apparatus

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