baber/WOPTO huggingface dataset:
Patent JP-2011500024-A (JP)
Title: Ｒｐｅ細胞を生成する改良された方法およびｒｐｅ細胞の組成物
IPC: A61K35/12
Filed: 2008-10-10
Abstract: 本発明は、ヒト胚幹細胞から、もしくは、他のヒト多能性幹細胞からＲＰＥ細胞を生成するための改良された方法を提供する。本発明はまた、ヒト胚幹細胞、または他のヒト多分化能もしくは多能性幹細胞に由来するヒト網膜色素上皮細胞にも関する。胚幹細胞に由来するｈＲＰＥ細胞は、成人および胎児由来のＲＰＥ細胞と分子的に異なり、かつ胚幹細胞とも異なる。本明細書で説明されるｈＲＰＥ細胞は、網膜変性疾患の治療に有用である。
Patent JP-2011501927-A (JP)
Title: 光ビームシフトを追跡する方法及びシステム
IPC: H04B10/118
Filed: 2008-10-15
Abstract: 【課題】光ビームシフトを追跡する方法及びシステムを提供する。 【解決手段】光インターコネクトが、複数の光源を有する光送信機と、光源から放射される光ビームを受信するように構成される光検知アレイと、光検知アレイと通信するビーム追跡モジュールとを備える。ビーム追跡モジュールは、光検知アレイからのサンプル読み値の少なくとも一部と、光検知アレイからの基準読み値の複数のシフトした値のうちの少なくとも一部との間で得られる相互相関データからの極値８２５を外挿することによって、光ビームのうちの少なくとも１つの光ビームの変位を計算するように構成される。関連する方法は、光検知アレイからの、サンプル読み値と、基準読み値の複数のシフトした値のうちの少なくとも一部との間で得られる相互相関データからの極値８２５を外挿することによって、光ビームの変位を計算することを含む。 【選択図】図１
Patent JP-2011502595-A (JP)
IPC: B60N2/90
Filed: 2008-01-21
Abstract: A support assembly having a first support region with adjustable degree of support and a second support region with adjustable degree of support for use in a seat structure is provided. The support assembly comprises a support member for incorporation into a seat frame, a first adjustment arrangement (10a) for adjusting the degree of support in the first support region, and a second adjustment arrangement (10b) for adjusting the degree of support in the second support region. The support assembly further comprises an actuator (20) coupled to the first adjustment arrangement (10a) and to the second adjustment arrangement (10b). By Bowden cables, the actuator being configured to simultaneously act on the first adjustment arrangement (10a) and on the second adjustment arrangement (10b) in opposite directions, and a wire-length control mechanism (60) to avoid problems due to a lack of tension of one of the Bowden cables.
Patent JP-2011506360-A (JP)
Title: 活性化合物組合せ
IPC: A01N51/00
Filed: 2008-11-28
Abstract: 本発明は活性化合物組合せに関し、特に、イソチアニル（３，４−ジクロロ−Ｎ−（２−シアノフェニル）−５−イソチアゾールカルボキサミド、）および少なくとも１つのさらなるアントラニルアミド系の殺虫剤および場合によって１つのさらなるネオニコチノイド系の殺虫剤を含む、殺菌剤および／または殺虫剤としての組成物に関する。さらに、本発明は治療的または予防的に植物または作物の植物病原性菌類および／または微生物および／または有害生物を防除する方法、種子の処理における本発明による組合せの使用、種子を保護する方法に関し、少なくとも処理済みの種子に関するものではない。
Patent JP-2011507099-A (JP)
Title: イメージ検索における対話型概念学習
IPC: G06F17/30
Filed: 2008-11-10
Abstract: エンドユーザーが、イメージのイメージ特徴に基づいたイメージの再順位付けのための、エンドユーザー自身の基準を迅速に生成できるようにするためのイメージ検索における対話型概念学習手法。イメージ特徴は視覚的特徴および意味的特性または特徴、または両方の組み合わせを含むことができる。よってエンドユーザーは、いかなる現在のまたは未来のイメージ検索結果をエンドユーザーの基準に従って順位付けまたは再順位付けできる。エンドユーザーはそれぞれの基準が一致すべきイメージの事例および基準が却下すべきイメージの事例を提供する。手法は事例の共通のイメージ特徴を学習し、いかなる現在のまたは未来のイメージ検索結果も学習された基準に従って順位付けまたは再順位付けされることができる。
Patent JP-2011508583-A (JP)
Title: シリンダとリニアモータ駆動ピストンの間の衝撃を検出する方法、シリンダとリニアモータ駆動ピストンの間の衝撃の検出器、ガスコンプレッサ、リニアモータ駆動のシリンダ・ピストンセットのための制御システム
IPC: F04B49/10
Filed: 2008-11-24
Abstract: 本発明は、ガスコンプレッサのシリンダ２とリニアモータ駆動のピストン１の間において、衝撃又は衝突の発生を検出することができる方法を開示する。当該方法は、ｉ）ピストンが上死点に位置する前にリニアモータの電気出力に関連する基準信号Ｓｒを得る段階と、ｉｉ）ピストンが上死点に位置した後にリニアモータの電気出力に関連する検出信号Ｓｄを得る段階と、ｉｉｉ）基準信号Ｓｒと検出信号Ｓｄを比較する段階と、ｉｖ）ステップｉｉｉ）の比較の結果が、予め設定した許容値を考慮して、シリンダ２とピストン１の間の衝撃から発生する変化を示すということを検出信号Ｓｄが示す時に衝撃の発生を記録する段階とを備えている。本発明は、また、上述の方法を実施することができる電子検出装置を開示している。本発明は、また、ガスコンプレッサ１００と、上述の検出器を備えた制御システムに関する。
Patent JP-2011509848-A (JP)
Title: スリーブによって保護された消しゴムを有する筆記用具
IPC: B43K29/02
Filed: 2009-01-09
Abstract: 本発明は、シャフトと消しゴム進出デバイス（４０）とを備える筆記用具に関し、上記デバイスは、シャフトに対して少なくとも回転運動可能な消しゴム保護スリーブ（５０）であって消しゴムが最大進出配置及び後退配置を取る消しゴム保護スリーブと、ホルダとシャフトとの間の回転運動を防止するようにシャフトに接続された第１相補的案内部材と直接相互作用する少なくとも１つの第１長手方向案内部材が設けられ、かつ、スリーブに接続された第２相補的案内部材（５２）と相互作用する少なくとも１つの第２案内部材（３２）が設けられた消しゴムホルダ（３０）と、を有する。スリーブは、シャフトの後端部を囲む前部分（５４）と、第２相補的案内部材（５２）を有する内側案内部分（５３）を有する後部分と、を有し、消しゴムホルダは、シャフトの内壁部と直接接触してスライド可能であり、かつ第２案内部材（３２）を有する外側案内面（３３）を有する。
Patent JP-2011514030-A (JP)
Title: コントラスト促進のためのヒストグラム・モデリング・ベースのアルゴリズム
IPC: G09G5/00
Filed: 2009-01-16
Abstract: 画像コントラスト促進のための、ヒストグラム・モデリングをベースにした技術である。いくつかの実施例において、画像のヒストグラムが作成され、その後変換される。音伝搬あるいは熱伝搬の物理的特性を用いて、この技術は変換されうる拡散ヒストグラム・モデルを発展させうる。非線形マッピングがコントラスト促進のための画像をリマップするために作成されうる。この技術は、しきい値調節なして実行されうるし、様々なディスプレイ・ハードウェア上で実施されうる。
Patent JP-2011514553-A (JP)
Title: デジタル画像配信、表示および投影用のハイブリッド通信網構造のアーキテクチャおよびシステム
IPC: G09G3/20
Filed: 2009-02-17
Abstract: 【課題】   今日用いられている単一技術の限界を超え、かつ、所望の各画像表示および投影特性にとって最良の方法の強みを利用する画像表示および投影技術を提供する。 【解決手段】 必要に応じて、高速で、製造コストが安く、低電力で、軽量で、サイズおよび解像度がスケーラブルで、多次元表示および投影を実装するために高速スイッチングが可能で、広い範囲の光のモード特性が可能であり、柔軟性があり、剛体平坦で、または、剛体共形である、所望の画像ディスプレイおよび投影ソリューションを実装するためのハイブリッド通信構造の画像ディスプレイおよび投影システムを提供している。 【選択図】  図６
Patent JP-2011514078-A (JP)
Title: ビーコン信号を用いてｗｌａｎサービスを開始する装置、システムおよび方法
IPC: H04W48/18
Filed: 2009-02-25
Abstract: アクセスポイント（１０２）は、マルチモード無線通信装置（１０６）がアクセスポイント（１０２）の近辺にある場合、ビーコン信号（１１８）を送信する。アクセスポイントが備える無線ワイドエリアネットワーク（ＷＷＡＮ）受信部（１１４）は、マルチモード無線通信装置がＷＷＡＮ基地局との通信において用いるＷＷＡＮ上りリンクチャネル（１１６）をモニタする。アクセスポイント（１０２）は、マルチモード無線通信装置（１０６）から送信され受信したＷＷＡＮ上りリンク信号（１１６）に基づきマルチモード無線通信装置（１０６）のアクセスポイント（１０２）に対する近接度を判定する、あるいは少なくとも推定する。この近接度が近接閾値よりも短い場合にアクセスポイント（１０２）はビーコン信号（１１８）を送信する。ビーコン信号（１１８）は少なくともアクセスポイント（１０２）の存在を示し、状況次第でＷＷＡＮからＷＬＡＮへのハンドオフを補助する指示や情報を含む。 【選択図】図１
Patent JP-2011514599-A (JP)
Title: 改良されたアプリケーションリソース更新
IPC: G06F9/54
Filed: 2009-02-19
Abstract: 通信システム用のユーザー機器（ＵＥ）は、Ｊａｖａアプリケーションにより使用されたリソースファイル、例えば音声ファイル、画像ファイル、ビデオクリップ等をアプリケーション全体のダウンロードを必要とせずに変更できるようにする解決方法を記載する。変更されたアプリケーション記述子ファイルに基づいて特定のリソースファイルに関するエラーレポートがアプリケーションプロバイダへ送信される。 【選択図】  図１
Patent JP-2012144684-A (JP)
Title: Novel (meth)acrylic monomer and method for producing the same
Inventor: MATSUOKA KAZUYOSHI
IPC: C09D11/00
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a (meth)acrylic monomer which has a high curing rate and is minimized in volume change rate between before and after curing, and to provide a method for producing the same.SOLUTION: The method for producing a (meth)acrylic monomer represented by formula (I) includes a synthesis process for reacting a specific polyoxyalkylene glycol including one or two 2-4C oxyalkylene structural units with N-hydroxymethyl (meth)acrylamide in the presence of an acid catalyst, wherein Ris hydrogen atom or methyl, Rand Rare each independently 2-4C alkylene, and m and n are integers of 0-50 satisfying m+n≥1.
Patent JP-2012150617-A (JP)
Title: Operation information gathering system, operation information gathering system control method, and its control program
Inventor: OKAMOTO AYAKO
IPC: G06F21/00
Filed: 2011-01-18
Abstract: PROBLEM TO BE SOLVED: To gather operation content information which is input to an off-line terminal.SOLUTION: When an operation monitor part 11-1 determines that operation contents input by an operator indicates an operation whose log needs to be left, an operation restriction part 11-2 restricts an operation of a user terminal 11, and a permit application input information generating display part 11-4 converts operation content information into a two-dimensional code and displays the code. When the displayed two-dimensional code is photographed through photographing means of an authentication terminal 12 and is input as image information, the image information is transmitted to a management server 10, and a permit application input code analysis part 10-2 restores contents of the transmitted two-dimensional code information to operation content information. When an operation execution propriety determination part 10-3 determines that the restored operation content information shows previously permitted operation, a password for operation restriction removal is displayed on the authentication terminal 12 and stored in an operation information DB 10-4a, and when a password input by the operator is correct, operation restriction on the user terminal 11 is removed.
Patent JP-2012151661-A (JP)
Title: Infrared imaging apparatus
Inventor: MATSUMIYA YASUO
IPC: H04N5/33
Filed: 2011-01-19
Abstract: PROBLEM TO BE SOLVED: To make it possible to prevent an S/N ratio from lowering by a temperature difference generated among infrared detection elements constituting each pixel of an infrared image sensor.SOLUTION: An infrared imaging apparatus includes: an infrared detection element array 4 having a plurality of infrared detection elements; a compensation infrared radiation part 2 for radiating a compensation infrared beam having a wavelength that can be detected by the infrared detection elements for each infrared detection element; and a control calculation part 3. The control calculation part 3 controls the intensity of the compensation infrared beam to be radiated onto each infrared detection element by the compensation infrared radiation part 2 so that the total amount of light of infrared beam entering each infrared detection element during a detection period for detecting the current flowing in the infrared detection element becomes the same. The control calculation part 3 also calculates the intensity of the infrared beam entering each infrared detection element from an imaging object based on the intensity of the infrared beam detected by each infrared detection element and the intensity of the compensation infrared beam radiated onto each infrared detection element by the compensation infrared radiation part 2.
Patent JP-2012150009-A (JP)
Title: Radio terminal position measuring system
Inventor: IIDA YASUTAKA
IPC: G01S5/06
Filed: 2011-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a radio terminal position measuring system which makes more accurate positional measurement by more accurately detecting an arrival time difference.SOLUTION: The present invention comprises: a radio base station 20A having a radio receiving unit 21A which receives a radio signal from a radio terminal 10A, a detector circuit 211A which detects input power of the radio signal and outputs a detected voltage, and a time counting unit 22A which detects a receiving time of the radio signal at the radio base station from the output detected voltage; and a position measuring unit 30 having a storage unit 32 which stores a correction table obtained from a radio receiving delay property as well as positional information of the radio base station, and a calculation process unit 31 which corrects the receiving time detected by the time counting unit with the correction table of the storage unit and measures a position of the radio terminal 10A from the corrected receiving time as well as the positional information of the radio base station.
Patent JP-2012151037-A (JP)
Title: Positive electrode active material and method for producing the same
Inventor: XIA YONG-GAO
IPC: H01M4/58
Filed: 2011-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a high-performance positive electrode active material produced using lithium vanadium phosphate while reducing the usage of lithium vanadium phosphate.SOLUTION: There are provided: a positive electrode active material obtained by the composite formation of lithium manganese phosphate and lithium vanadium phosphate; and a method for producing the positive electrode active material. (Here, the lithium manganese phosphate is represented as LiMnMPOwhere 0<a≤1, 0<b≤1 and 0.9≤b+c≤1 are satisfied, the M represents an element selected from among Mg, Ti, Fe, Ni and Co, the lithium vanadium phosphate is represented as Li(VMe)(PO)where 0<d≤3 and 0≤X<1 are satisfied, and the Me represents an element selected from among Ti, Mn, Fe and Ni.)
Patent JP-2012149750-A (JP)
Title: Speed-change control device of automatic transmission
Inventor: TANAKA HIROKI
IPC: F16H63/42
Filed: 2011-01-21
Abstract: PROBLEM TO BE SOLVED: To perform excellent changeover of a running mode by reducing an uncomfortable feeling given to a driver even when a shift stage automatically transits when the driver changes over the running mode.SOLUTION: When a driver changes over a running mode (I mode, Smode), a TCU blinks the current shift stage displayed on an upper-stage shift stage display part (S22), compares a change gear ratio of the current shift stage with a change gear ratio of each shift stage set in a fixed shift stage map corresponding to the running mode after the changeover, and detects a shift stage A of the closest change gear ratio (S24), and makes the change gear ratio of the current shift stage transit to the change gear ratio of the shift stage A (S25). When the change gear ratio reaches that of the shift stage A, the shift stage A is lit on the shift stage display part 33b (S28).
Patent JP-2012152108-A (JP)
Title: Fishing tackle
Inventor: ICHIKAWA TADAAKI
IPC: A01K91/06
Filed: 2011-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a fishing tackle capable of rearranging between a normal tackle shape and a back hook tackle shape.SOLUTION: The fishing tackle 20 includes a tackle string 4 to which a nose ring 6 and a back hook 7 are attached, and a connection part 10 whose one end and the other end are attached to both sides of the tackle string 4 across the nose ring 6, respectively, wherein at least either one end or the other end of the connection part 10 is movable with respect to the tackle string 4.
Patent JP-2011159289-A (JP)
Title: Prepaid document processing device, and management method therefor
Inventor: CARLSON CHARLES R
IPC: B41J29/38
Filed: 2011-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an advanced method and system for managing a document processing device to be used.  <P>SOLUTION: The document processing device 320 stores a residual printing unit value 323e in its own memory 323. The value 323e expresses a printing unit amount usable in a current time for the document processing device 320 to execute a document processing operation. A programmable computer executes selectively a document processing job, and reduces the residual printing unit value during a period until the value reaches zero. The document processing device 320 includes a function for putting out the printing unit according to a color content and/or a printing area level found as to the job.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012156772-A (JP)
Title: Electronic device, control method, and control program
Inventor: UEKI YOSHITAKA
IPC: G06F3/02
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an electronic device, a control method, and a control program, capable of easily starting an operation and ensuring security.SOLUTION: A mobile phone unit 1 comprises a storage part 50, an operation part 11, and a control part 60. The storage part 50 stores a first procedure and a second procedure that are the operation procedures for instructing execution of an application program. An input is performed to the operation part 11. The control part 60 executes the application program when an input corresponding to either the first procedure or the second procedure is performed to the operation part 11 in the case where a first mode is set, executes the application program when an input corresponding to the first procedure is performed to the operation part 11 in the case where a second mode is set, and controls an execution of the application program when an input corresponding to the second procedure is performed to the operation part 11 in the case where the second mode is set.
Patent JP-2012153271-A (JP)
Title: Lamp lighting circuit
Inventor: ISHII SATOSHI
IPC: B60Q11/00
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a lamp lighting circuit without leading to breakage of load even when a ground fault occurs in the ground terminal side of the load.SOLUTION: The lamp lighting circuit includes: a second current detection circuit for controlling a drive circuit in feedback so that a constant current is supplied to the load; a first current detection circuit provided in the power source supply side of the load and detecting a supply current to the load; a constant current circuit incorporated in the first current detection circuit and generating the constant current on the basis of a voltage generated in the first current detection circuit; a current regulation circuit provided between the first current detection circuit and a ground terminal; a current limit circuit provided in a load power source supply side, applying a voltage at a connection point of the first current detection circuit and the current regulation circuit and shifted in a direction of obstructing an on-state when a current flowing through the first current detection circuit increases; and a monitoring circuit for monitoring the voltage of a power source supply side of the drive circuit and stopping operation of the drive circuit when detecting an increase in the voltage.
Patent JP-2011159294-A (JP)
Title: Semiconductor memory device
Inventor: OH TAE-YOUG
IPC: G06F12/16
Filed: 2011-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a memory device and a method of controlling the memory device.  <P>SOLUTION: The method of controlling the memory device includes stages of: generating commands at a memory controller; counting a number of commands in response to a clock signal; storing the commands and the count numbers corresponding to the commands; transmitting to a memory device the commands, the count number of the commands, and data; receiving at the memory device the commands, the count number of the commands, and data sent from the memory controller; storing the count number of commands received; and transmitting the count number of the commands received to the memory controller, wherein transmitting the count number of the command to the memory controller is performed upon indication of an error condition, and further includes retransmitting from the memory controller to the memory device the command and data corresponding to the count number of the commands received from the memory device.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012158621-A (JP)
Title: Particle dispersion that contains coloring compound, inkjet ink, and the method of producing the particle dispersion that contains the coloring compound
Inventor: ARITA HITOSHI
IPC: C09D11/00
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a nanoparticle that has a compound comprising three component: a leuco dye, a developer, and a discoloring agent, and that smoothly performs coloring and discoloring functions.SOLUTION: A dispersion is formed by dispersing therein particles that have a core-shell structure having: the leuco dye, the developer, and the discoloring agent, as core components; and a vinyl resin, as a shell component. The particle has a particle diameter of 30 to 400 nm. The discoloring agent contains an aromatic fatty acid ester compound that has a melting point of 80°C or more and a solidifying point of 20°C or lower.
Patent JP-2012144965-A (JP)
Title: Re-sticking type hair removing sheet
Inventor: WATANABE SHINICHIRO
IPC: E03C1/282
Filed: 2011-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a hair catcher for a drain outlet of a washing place of a bathroom and a wash stand, which enables a hair removing sheet to be reused because adhesion of the sheet is maintained even after the sheet is peeled off from the hair catcher to remove hair.SOLUTION: A hair removing sheet is made from an adhesive or an adsorbent, which has functions of removability and re-adhesion. This enables a re-sticking type hair removing sheet 11 to be repeatedly stuck on the hair catcher, and enables the sheet to be continuously used a number of times even after it is peeled off from the hair catcher. Consequently, the hair removing sheet is not wastefully used because it is not disposable.
Patent JP-2012158305-A (JP)
Title: Vehicle steering control apparatus
Inventor: TANIMOTO MITSUTAKA
IPC: B62D7/14
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To effectively utilize various kinds of rear wheel steering angle control related to stabilization of vehicle behavior.SOLUTION: The vehicle steering control apparatus controls a vehicle that can vary a steering angle δr of a rear wheels via a variable rear wheels steering angle device. The vehicle steering control apparatus includes: a specification unit for specifying a slip angle βr of the rear wheels; a determination unit for determining reliability of the specified slip angle; and a control unit for restricting the change in the steering angle of the rear wheel in a direction where the slip angle increases based on the specified slip angle and the determined reliability.
Patent JP-2011126533-A (JP)
Title: Surfboard carrier
Inventor: SASAKI MANABU
IPC: B60R5/04
Filed: 2011-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surfboard carrier which can be easily installed in a cabin.  <P>SOLUTION: In the surfboard carrier 200, one end of a mounting band 202 is fixed to a rod member at the center of a ring 201, and the mounting band 202 forms a first circle 203. An end part 204 of it is fixed by a rod member on one end of the ring 201. The mounting band 202 is inserted to a buckle 205 to be fixed at a prescribed position. One end of a band 212 is fixed to the other rod member of the ring 201, and the band 212 is inserted to the upper surface side of the buckle 205 to be fixed. A sun visor is pulled down, and a first circle 203 formed of the mounting band 202 is wound around the sun visor to fasten the sun visor. A surfboard is inserted to a second circle 221 formed of the band 212, and an end of the belt 212 is pulled to fasten it. It can thus be easily installed on the car.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012163795-A (JP)
Title: Observation device and image correction program
Inventor: MIMURA MASABUMI
IPC: H04N5/16
Filed: 2011-02-08
Abstract: PROBLEM TO BE SOLVED: To identify the illumination unevenness occurring in acquisition of an observation image, thereby properly removing the illumination unevenness occurring in the observation image.SOLUTION: An observation device includes a light source for emitting illumination light to illuminate an observation object, an imaging element for imaging the observation object illuminated by illumination light, a movement mechanism for changing the relative positions of the light source and the observation object on a surface orthogonal to the optical axis of illumination light, and an illumination unevenness identification section for identifying the illumination unevenness of illumination light based on background regions of plural images obtained by imaging of the imaging element when changing the relative positions of the light source and the observation object more than one time.
Patent JP-2012162051-A (JP)
Title: Recorder and method of recording
Inventor: HAYABUCHI YUYA
IPC: B41J2/01
Filed: 2011-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a recorder capable of corresponding to a change in the conveyance speed of a recording medium.SOLUTION: This recorder includes a conveying device for conveying a recording medium, a recording head for recording on the recording medium, a signal output device for outputting a detection pulse of KP(k) in association with conveying of the recording medium, a recording pulse generating device for generating an ejection timing pulse of TP(k) for every correction time period of Th(k) obtained by correcting a time period of T(k) of the detection pulse of KP(k), and a head driving device for driving the recording head on the basis of the ejection timing pulse of TP(k). The recording pulse generating device corrects the time period of T(k) of the detection pulse of KP(k) into the correction time period of Th(k) in such a manner that it adds a correction amount ΔT(k) which is calculated out based on the conveyance speed corresponding to the time period of T(k) of the detection pulse of KP(k) for every time period of T(k) of the detection pulse of KP(k) to the time period of T(k) of the detection pulse of KP(k).