baber/WOPTO huggingface dataset:
Patent JP-2002529967-A (JP)
Title: 拡声器を具備した移動電話機
IPC: H04M1/03
Filed: 1999-10-27
Abstract: (57)【要約】
移動電話機（１）は、少なくとも一つの音響開口部（８、９）と拡声器（２２）とを含む筐体壁（３）を有する筐体（２）を具し、拡声器は筐体壁（３）に隣接して筐体（２）内に配置され、この拡声器は拡声器の軸（２３）を含有し、このとき拡声器の軸（２３）に対して横方向の拡声器の寸法（Ｄ）は拡声器の軸方向の寸法（Ｍ）よりも大きく、拡声器（２２）は、音響が少なくとも一つの音響開口部（８）に空間（２９）を介して伝達され得る音響発生手段（２７、２８）を有し、拡声器（２２）は拡声器の軸（２３）が本質的に、筐体壁（３）と平行になるようにして筐体（２）内に配置され、拡声器には音響発生手段（２７、２８）によって発生された音響を空間（２９）から少なくとも一つの音響開口部（８）まで伝導する音響伝導手段（５、３０、３３、３４）が設けられる。
Patent JP-2002529885-A (JP)
Title: メモリセル装置
IPC: H01L27/11507
Filed: 1999-09-23
Abstract: (57)【要約】
本発明において、メモリセル装置のメモリセルはそれぞれ選択トランジスタ（AT）、メモリトランジスタ（ST）及び強誘電体キャパシタを有する。選択トランジスタ（AT）及びメモリトランジスタ（ST）は直列に結線している。強誘電体キャパシタはメモリトランジスタ（ST）の制御電極（GS）と選択トランジスタ（AT）の第１の端子との間で接続されている。
Patent JP-2002540945-A (JP)
Title: 成形部品を製造するために選択的レーザ溶解を行なうデバイス
IPC: B22F1/00
Filed: 1999-11-16
Abstract: (57)【要約】
本発明は、成形部品を製造するために選択的レーザ溶解を行うデバイスに関する。本発明は、プロセス・チャンバの底部領域（４）の下に提供される成形部品（１６）用の製造ボリューム（７）と、プロセス・チャンバの底部領域の一区域を覆って材料粉末を一定の厚さの層として分配するためのレベリング手段とを含むプロセス・チャンバ（１）からなる。レベリング手段は、底部領域にわたって移動して材料粉末を分配する要素（２１）を備える。デバイスはさらに、製造ボリューム内に配置された成形部品の処理表面を平滑にする働きをする研磨手段としてローラ（２２）を備える。本発明のデバイスを用いると、レベリング要素の摩耗を回避し、かつ一定の層厚さを生成することができ、それによりより高い精度およびより改良された表面品質で構成要素を製造することができる。
Patent JP-2002532484-A (JP)
IPC: C07D493/10
Filed: 1999-12-06
Abstract: A process for production of an oxetane, which process comprises subjecting an alcohol having two or more hydroxyl groups to reaction with a carbamide at a molar ratio employing 1-2 moles of said carbamide on 1-2 moles of said alcohol. The alcohols preferably have at least one 1,3-diol grouping. The reaction is carried out in the presence of at least one catalyst promoting and/or initiating transcarbonylation and/or pyrolysis. A reaction mixture comprising an oxetane and optionally an orthocarbonate of said alcohol is yielded. The oxetane is suitable recovered from said reaction mixture by for instance distillation.
Patent JP-2002534721-A (JP)
Title: 無損失エンコーダにおけるサイド情報の効率的な符号化
IPC: G11B20/00
Filed: 1999-12-24
Abstract: (57)【要約】
「スーパー・オーディオ・ＣＤ」（“Super  Audio  CD"（SACD））において、DSD信号はフレーミング、予測、及び、エントロピー符号化を使用して無損失に符号化される。効率的にエンコードされた信号以外に多数のパラメータ、即ち、サイド情報もSACDに記憶されなくてはならない。サイド情報は、エンコードするために使用され、デコーダに送信されるべき予測フィルタ係数及び確率表を有する。サイド情報のために要求される記憶容量が小さいほど、全体的な符号化利得もよくなる。従って、サイド情報のデータを圧縮するよう符号化技術がサイド情報にも適用される。フレームはセグメント化され得、各セグメントは夫々各自のフィルタ係数の組及び確率表を有する。
Patent JP-2002535596-A (JP)
IPC: A23L3/3445
Filed: 2000-01-20
Abstract: A high-pressure chamber in an apparatus for gas treatment of products is located adjacent a tunnel (11) in said apparatus, said tunnel (11) having perforated walls (12) and enclosing a conveyor belt (8) for transporting the products. The high-pressure chamber (14) comprises walls (15-17) being connected with perforated walls (12) of the tunnel (11) in order to form said high-pressure chamber (14), said walls (15-17) forming the high-pressure chamber (14) comprising an opening towards and connected to an outlet of a gas circulation means (18) so that the high-pressure chamber (14) constitutes a gas circulation channel from said outlet of the gas circulation means (18) to the perforated walls (12) of the tunnel (11). The chamber (14) is located substantially above the tunnel (11). The walls (15-17) forming the high-pressure chamber (14) comprise substantially vertical side walls (15-16), and at least one substantially vertical part of said side walls (15-16) is removable so as to provide access to the inside of the high-pressure chamber (14). <IMAGE>
Patent JP-2002540023-A (JP)
Title: 折り畳み式輸送箱
IPC: B65D6/22
Filed: 2000-03-27
Abstract: (57)【要約】
【解決手段】  発明は、床部材（２）、後壁部材（３）、前面壁部材（４）、側壁部材（５と６）より構成され、これらが相互に連結されている輸送箱を提供する。壁部材は相互に関節的に連結され、床部材（２）は分離可能又は少なくとも折り畳み可能である。壁部材の連結体は好ましくは前面壁部材（４）の垂直方向のある位置で分離することが可能であり、ヒンジ手段（１０〜１３）により旋回結合が行われ、その結果各々の壁部材が相互に対して折り畳みできるように構成されている。本発明の輸送箱（１）は相当の大きさ（例えば１６０×８０×１００）の場合でも、容易な方法で組立及び折り畳むことが可能である。
Patent JP-2002542726-A (JP)
Title: データサービスのための電話線性能の予測
IPC: G06Q10/06
Filed: 2000-04-20
Abstract: (57)【要約】
データ伝送用のカスタマラインの性能を予測する方法を提供する。その方法は、中央位置からカスタマラインの電気的特性を測定するステップと、その測定値からラインモデルを識別するステップと、カスタマラインで用いるために選択されるモデムのためのモデムモデルを識別するステップとを含む。この方法は、ラインモデルとモデムモデルとを組み合わせることにより、選択されるモデムを用いて動作する際のカスタマラインのための性能データも予測する。
Patent JP-2002543298-A (JP)
IPC: D04H3/02
Filed: 2000-04-20
Abstract: The invention concerns an installation comprising at least an extruder (1) for a melted organic polymer feeding a die (2) for producing a curtain of filaments (3); a cooling zone (4) for providing at least surface solidification of said extruded filaments; a suction device (5) in the form of a narrow chamber with rectangular cross-section, wherein the curtain of filaments is subjected to the action of high speed air streams causing the filaments to be drawn; means (6) for deflecting and slowing down the air flow at the outlet of the drawing slot and for distributing the filaments homogeneously on a receiving belt (7). The invention is characterised in that the means for producing the different operational phases, namely the extruding means, the cooling means, the filament drawing assembly and the distributing means, are separate from one another and can be individually adjusted, not only based on the production to be obtained (type of polymers, elementary yarn count of the filaments produced, weight per unit area of the web produced), but also at the beginning of production.
Patent JP-2002544314-A (JP)
IPC: C09D175/14
Filed: 2000-04-14
Abstract: A coating material curable thermally and with actinic radiation, comprising at least one constituent (a1) containing at least two functional groups (a11) which serve for crosslinking with actinic radiation, and if desired at least one functional group (a12) which is able to undergo thermal crosslinking reactions with a complementary functional group (a22) in the constituent (a2), and at least one constituent (a2) containing at least two functional groups (a21) which serve for crosslinking with actinic radiation, and at least one functional group (a22) which is able to undergo thermal crosslinking reactions with a complementary functional group (a12) in the constituent (a1), and also, if desired, comprising at least one photoinitiator (a3), at least one thermal crosslinking initiator (a4), at least one reactive diluent curable thermally and/or with actinic radiation (a5), at least one coatings additive (a6), and/or at least one thermally curable constituent (a7), with the proviso that the coating material contains at least one thermally curable constituent (a7) if the constituent (a1) has no functional group (a12). The coating material is used to seal SMCs (sheet molded compounds) and BMCs (bulk molded compounds).
Patent JP-2002544568-A (JP)
Title: アブレーション強化層
IPC: B41M5/24
Filed: 2000-05-12
Abstract: (57)【要約】
実質的に透明な電極組立体の製造に有用なアブレート可能な層状画像形成媒体を開示する。層状画像形成媒体は、基板と、高屈折率の金属酸化物層と、アブレート可能な金属導電性層と、高屈折率の導電性金属酸化物層と、アブレーション強化層とを備える。アブレーション強化層は、前記高屈折率の導電性金属酸化物層のＩＲ吸収率より大きいＩＲ吸収率と、前記高屈折率の導電性金属酸化物層のＩＲ反射率より低いＩＲ反射率とを有する。層状画像形成媒体にアブレーション強化層が存在すると、媒体の露出閾値を低下させ、アブレーション精度を改善し、これらがＬＣＤ電極パターンの製造時に生じる場合、集合的かつ最終的に、電気的構造がより確実に形成され、望ましくない「欠点」が生じることが少なくなる。
Patent JP-2003500886-A (JP)
Title: 動的前進型誤信号訂正方法
IPC: G06F11/10
Filed: 2000-05-08
Abstract: (57)【要約】
複数の時間フレーム（１０８）の間にベアラデータおよびその間の対応する誤り訂正データを伝送するＦＥＣ動的中央局（１４０）および複数のＦＥＣ動的遠隔局（１０６）を含む前進型誤信号訂正（ＦＥＣ）方法を提供する。通信路の誤り率が測定され（１６６）、伝送された誤り訂正データの量が適宜動的に調整され（１７２）、誤り訂正データを効果的に伝送するために必要とされる最小量のオーバヘッドが使用される。
Patent JP-2002207144-A (JP)
Title: Multi-mode optical fiber ribbon
Inventor: SUZUKI RYOJI
IPC: H01B11/00
Filed: 2001-01-05
Abstract: PROBLEM TO BE SOLVED: To provide a multi-mode optical fiber ribbon whose manufacturing cost is reduced by producing a low skew multi-mode optical fiber ribbon effec tively in a long size. SOLUTION: A plurality of multi-mode optical fiber 2 constituting the optical fiber ribbon 1 are those in which difference between the maximum and the minimum of the numerical aperture is not more than 0.002.
Patent JP-2002208086-A (JP)
Title: Crossing support system
Inventor: JIYOU TAKAHITO
IPC: G08G1/08
Filed: 2001-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a crossing support system capable of appropriately supporting a pedestrian in accordance with a crossing state. SOLUTION: A crossing support device 1 decides that the pedestrian P is under crossing and stores its discrimination information when the discrimination information of a portable terminal 2 carried by the pedestrian P on a pedestrian' s crossing W from the portable terminal 2. In addition, when the discrimination information is received from the portable terminal 2 carried by the pedestrian P at a place except the pedestrian's crossing W, whether or not the discrimination information is stored is discriminated. When the discrimination information is discriminated to be stored, the pedestrian P is decided to complete the crossing here. Then information according to a crossing state of the pedestrian P is generated based on these decision results and the generated information is transmitted to the portable terminal 2.
Patent JP-2002215007-A (JP)
Title: Image forming apparatus
Inventor: SAITO KOJI
IPC: G03G21/14
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus in which the noise due to the operation of the cooling fan is reduced without covering the vicinity of the opening part which emits the exhaust gas. SOLUTION: A thermistor installed on the surface of the fixing roller in the fixing part 20 detects the surface temperature of the fixing roller. When an image forming operation is started and the temperature of the fixing roller in the fixing part 20 reaches a prescribed temperature or exceeds it, the cooling fan 5 starts operating. Simultaneously, the whole housing 30 of the image forming apparatus 1 is lifted up with a lifting-up bar 6. By expanding the space at the exhaust side of the cooling fan 5 in this way, the vicinity of the cover near the opening part is left uncovered and the noise is reduced.
Patent JP-2002214254-A (JP)
Title: Arrester type power transmission/distribution line current/voltage measuring apparatus and power transmission/distribution line current/voltage measuring system using the same
Inventor: OTA ICHIRO
IPC: G01R15/20
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide an arrester type power transmission/distribution line current and voltage meter which can measure voltage and current of a power transmission/distribution line while allowing simple installation thereof at an arbitrary location with a simple work along with a smaller size and a less cost by accurately accomplishing insulation to the ground without use of a transformer for an instrument and a current transformer for the instrument requiring a costly and larger insulator. SOLUTION: There are arranged a current measuring device 12 which is detachably mounted on a power transmission/distribution line 1 to detect current thereof, an arrester device 14 which performs an arrester function through a resistance element 50 for a high voltage built into an insulator 48 while having a voltage sensor for detecting the voltage of the power transmission/distribution line 1 and an optical signal conversion means (28) for converting the sensed current signal of the power transmission/distribution line 1 to an optical signal while a light transmission path 52 is provided in the insulator 48 of the arrester device 14. Moreover, a photodetecting means (90) is provided and inputs the optical signal to convert the current information of the power transmission/distribution line to an electrical signal.
Patent JP-2002210337-A (JP)
Title: Method for cleaning
Inventor: KONO SHUNJI
IPC: B01D61/10
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for effectively cleaning a semipermeable membrane and a membrane separator having a semipermeable membrane without accelerating the deterioration of the membrane. SOLUTION: In cleaning with a cleaning fluid a semipermeable membrane and/or a semipermeable apparatus that separate a raw liquid into a permeate and a concentrate, the cleaning fluid has a pH value different from that of the raw liquid by at least 4.
Patent JP-2002217965-A (JP)
Title: Method and device for dynamically measuring bandwidth of ip network
Inventor: UCHIDA YOSHIO
IPC: H04L12/70
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To dynamically measure a bandwidth information between IP devices in an IP network. SOLUTION: Packets of different lengths are transmitted between own IP device and an other side IP device. The bandwidth between IP devices is measured dynamically based on both the length of a packet which is transmitted and its response time.
Patent JP-2001251210-A (JP)
Title: Mutual frequency lock between both ends of link
Inventor: KO HERBERT L
IPC: H04B7/00
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for realizing frequency lock for which an independent reference oscillator is not required for transmitters of both nodes in a duplex link. SOLUTION: This lock provides the method for realizing locking of transmission frequencies of both nodes in a full duplex link, and at the same time by utilizing information of a received frequency to tune carrier frequencies of the transmitters. The offset of the carrier frequency of the 1st transmitter is detected as the offset of a 2nd corresponding receiver. The 2nd receiver shifts the carrier frequency of the transmitter, in response to the detected offset to inform the 1st transmitter about the detected offset. The 1st receiver uses the detected offset to correct the carrier frequency of itself.
Patent JP-2002224505-A (JP)
Title: Filter cartridge
Inventor: MIZUNO MOTOSHIGE
IPC: B01D39/20
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a filter cartridge excellent in sealability and productivity, easily and certainly replaced and having excellent maintenance properties. SOLUTION: The filter cartridge 100 is equipped with a cylindrical filter main body 103, the filter case 106 arranged so as to surround the main body and at least one seal member 107 interposed between the main body and the case. The first seal member 107 has a hardness (Shore hardness) of 50-80 and has a taper (2-10 deg.) formed thereto with respect to the center axis direction of the cartridge and the filter case 106 has a taper not less than the taper angle of the first seal member 107 with respect to the center axis direction. The filter body 103 is housed in the filter case in a state pressing the region including the outer edge part of the filter body through the taper forming part of the first seal member 107 with which a case lid member 106A comes into contact at the taper forming part.
Patent JP-2002226705-A (JP)
Title: Polyamide resin composition and molded article
Inventor: KUMAZAWA TERUHISA
IPC: C08L77/06
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a polyamide resin composition which is strengthened with a fibrous reinforcement such as a glass fiber and can give a molded article excellent in the mechanical properties such as elongation and impact resistance and in the heat resistance such as rigidity at a high temperature and has little in deterioration of strength at a weld-line area caused by the anisotropy of the fibrous reinforcement, and to provide a molded article obtained from this composition. SOLUTION: Firstly, the polyamide resin composition contains (Component A) a polyamide MX resin, (Component B) a polystyrene-based resin or a polyolefin-based resin, (Component C) a particular, isotropic, inorganic filler, and (Component D) a fibrous inorganic reinforcement, with the component B content being 0.5-20 pts.wt. and the component C content being 0.05-10 pts.wt., each on the basis of 100 pts.wt. of the sum total of the components (A) and (B), and an inclusive ratio of the components (C) and (D) to the polyamide resin composition being 5-65 wt.%. Secondly, the molded article is obtained from this resin composition.
Patent JP-2002227479-A (JP)
Title: System and method for locking/unlocking
Inventor: NUMAHATA KAORU
IPC: E05B49/00
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To enhance safety in a system utilizing radio communication. SOLUTION: An access permission flag indicating the presence or absence of a right of access of each key device is stored. On the occurrence of a prescribed condition, the stored flag is reset for the purpose of disappearance of the rights of the access of at least some of the key devices. An information transmission request is transmitted to the key device in response to an unlocking request, and a key number and key ID information included in a response signal from the key device are recognized for locking or unlocking. A lock-side CPU 26 makes the right of access disappear according to the presence or absence of the key device in a state wherein the key device is left behind within a room, or makes the right of the access disappear partly or wholly according to the presence or absence of an operation of an indoor-side operation input part.
Patent JP-2002233092-A (JP)
Title: Directly winding type electric motor, refrigerant compressor using the same and cooling device using the same
Inventor: ARAI KAZUHIKO
IPC: H02K3/48
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a directly winding type electric motor capable of surely preventing an insulator from projecting to the inside diameter side of a stator and surely insulating between coils. SOLUTION: Insulators 5 positioned between the coils 4 wound around the adjacent tooth parts 2 of the directly winding type electric motor directly winding the coils 4 on the tooth parts 2 of the stator 1 respectively are provided. Holding parts 5A held by the coils 4 are provided on the insulators 5.
Patent JP-2002229335-A (JP)
Title: Image forming device
Inventor: SHINTANI TAKASHI
IPC: G03G15/09
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To prevent the adhesion of toner or the like, to reduce the scattering of the toner and developer, to improve image quality and to prevent the early deterioration of the developer by preventing the developer on a developing roller from being locally stressed in the longitudinal direction of the developing roller at a developing position. SOLUTION: A distance (d) between the surfaces of the developing roller 1 and a photoreceptor 10 is made long only in the vicinity of both ends of a magnet roller 1b or on the more outside than it so as to cope with the adhesion. The outside diameter of a developing sleeve 1c is made small in the vicinity of both ends of the roller 1b. Thus, force to press the photoreceptor 10 is weakened in the vicinity of both ends of the roller 1b and becomes the same as that on the inside of the roller 1b, whereby the adhesion of the toner or the like is avoided.
Patent JP-2002227671-A (JP)
Title: Control device for internal combustion engine
Inventor: KANAMARU MASANOBU
IPC: F01L1/34
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To enhance the effect of an engine brake. SOLUTION: The valve opening property of an intake valve 2 is controlled so that the valve lifting amount of the intake valve 2 becomes a peak when a crank angle reaches a predetermined value. Preferably, the intake valve opening property is controlled so that the intake valve lifting amount becomes the peak at a certain point during the period from the point prior to a piston fastest point by that corresponding to 30 degrees of a crank angle to the point after the piston fastest point by the above corresponding point, most preferably at the piston fastest point.
Patent JP-2002224554-A (JP)
Title: Apparatus for manufacturing granule and method for controlling flow of the granule
Inventor: KOBAYASHI ETSURO
IPC: B01J2/02
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing a granule capable of preparing efficiently on a large scale at a low cost from a molten bath having a metal simple substance or a metallic compound of a metallic chloride, a metallic oxide and the like as main constituents, and provide a method for controlling a flow of the granule is provided. SOLUTION: The apparatus for manufacturing a granule is equipped with a trough part 62 for carrying a molten bath of cuprous chloride, a jet nozzle 64 for jetting air against the molten bath dropping from the trough part 62 arranged near a tip part 62a of the trough part 62, and an apparatus body 61 for cooling and recovering the granule wherein the molten bath of cuprous chloride is granulated by jetting air against that. In the apparatus body 61, an exhaust port 76 for exhausting an inside gas, and a fresh-air inlet 71 for controlling an inside gas flow by introducing the air from outside, are formed.
Patent JP-2002229812-A (JP)
Title: In-circuit emulator, event generation control method of the in-circuit emulator and program
Inventor: SHIRAGAKI MAKOTO
IPC: G06F12/16
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To discriminate existence of an un-initialized initial value undefined register through an un-initialized flag housing RAM. SOLUTION: This emulator is equipped with an un-initialized flag housing means 7 initialized to one level by an initialization circuit 11, re-initialized by overwriting a reverse polarity level of one level even by an initialization program of an emulation program together with the initial value undefined register comprising a stored data RAM 21 not initialized by the initialization circuit 11, and memorizing the result of initialization, and an event generation means 9 for detecting whether initialization of the initial value undefined register is executed normally or not based on the memory content in the un-initialized flag housing means 7 after re-initialization, and controlling event generation of an emulation CPU 12 when data showing un-initialization is detected.
Patent JP-2002234812-A (JP)
Title: Cosmetic
Inventor: YAMAMOTO TAKUYA
IPC: A61K8/00
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To obtain a cosmetic having excellent beautiful skin effect on the skin by improvement of drying feeling, chapped skin, etc., having hair growth/ hair restoration effect on the hair by promoting hair growth/hair restoration, etc., and having safety capable of sufficiently standing a long-term use. SOLUTION: This cosmetic comprises an extract of Eriodictyon sp., obtained by extracting a plant of Eriodictyon sp., preferably with a water-soluble organic solvent or a hydrous water-soluble organic solvent.
Patent JP-2002234257-A (JP)
Title: Thermal recording medium
Inventor: SHIKU SHIGEKAZU
IPC: B41M5/28
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a thermal recording medium showing a superb recorded image quality. SOLUTION: The thermal recording medium has a thermal recording layer containing an electron-donative compound and an electron-receptive compound and a protecting layer containing an aqueous resin sequentially laminated on one of the sides of a support. In this thermal recording medium, the protecting layer formed on a base material with a smooth plane is transferred to the surface of the thermal recording layer and the image clarity (based on JIS K 7105-1981) of the surface of the protecting layer is 75% or higher (the value in a slit with a width of 2 mm).
Patent JP-2001268592-A (JP)
Title: Moving image encoding method and moving image decoding method
Inventor: KATADA HIROYUKI
IPC: H04N19/85
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a component image encoding method and a component image decoding method to enable segmentation and composition of component images with satisfactory image quality. SOLUTION: Shift of positions of color difference samples is eliminated by restricting a segmenting position and a compositing position of the component images based on positions of color difference samples. Otherwise, the shift of positions of the color difference samples is solved without restricting the segmenting position and the compositing position by sub-sampling the positions of the color difference samples according to the segmenting position and the compositing position after oversampling the positions of the color difference samples.