baber/WOPTO huggingface dataset:
Patent JP-2003185506-A (JP)
Title: Estimating method for road surface temperature
Inventor: KITAGAWA HIROAKI
IPC: G01W1/00
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a road surface temperature estimation method which does not need to measure an initial value of a road surface temperature directly.  <P>SOLUTION: This method has a step of measuring the temperature of the soil of an arbitrary spot being in the longitudinal direction of a road and at a depth where an optical fiber temperature radar 2 is buried, by the temperature radar 2 buried along the longitudinal direction of the road below its surface, a step S1-1 of accumulating its measured temperature values as a time series data, and steps S1-2, 3 of estimating a road surface temperature from this time series.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184462-A (JP)
Title: Shutter bring-down device
Inventor: YAMAZAKI AIJIRO
IPC: E06B9/78
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the operational force in bringing down a hand-operated shutter.  <P>SOLUTION: In this shutter bring-down device, an engaging member connected to a bring-down member by bring-down operation of the bring-down member hung down in a position which the hand can reach and disposed thereon to elevate along a guide member provided on a side guide rail for guiding the elevation of the shutter is engaged with a bottom slat to bring down the shutter. The engaging member is energized downward by a downward engaging member having force smaller than the hoisting force applied to the shutter at least near the bring-down start position while the bottom slat is lowered to the position which the hand can reach from the bring-down start position by the bring- down operation of the bring-down member.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003198024-A (JP)
Title: Heat sink submount and its manufacturing method
Inventor: HIKASA TSUGUTOSHI
IPC: H01L23/373
Filed: 2001-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat sink submount which can facilitate sliding movements of an optical semiconductor element and overcome difficulty in recognizing the mounting position of the optical semiconductor element, when the optical semiconductor element is mounted on a deposited metal film.  <P>SOLUTION: In the heat sink submount formed by depositing a metal film 3 on a substrate 1 consisting of a heat-conductive insulation material interposing a metallized layer 2, the surface roughness Ra on the deposited metal film 3 is controlled to be from 0.05 to 1.2 μm.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003194729-A (JP)
Title: Method and apparatus for visual inspection of canister
Inventor: ASADA KAZUO
IPC: G21C19/06
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for the visual inspection of a canister wherein the external appearance of the canister housed and stored inside a concrete cask can be inspected easily and surely.  <P>SOLUTION: An advance-direction change means 180 is installed at a tip 110 by which, when the canister is inserted into a side-face flow channel from an air introduction port or an air derivation port at the concrete cask so as to pass a bent entrance-side flow channel or exit-side flow channel, its advance direction can be changed vertically upward or vertically downward.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003199011-A (JP)
Title: Recording control device of a plurality of recorders, recording control method, recording apparatus and television receiver
Inventor: NUMATA TAKEHIKO
IPC: H04N5/00
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To enable unified management of reserved recording information of a plurality of recorders.  <P>SOLUTION: A first and a second recorders 30, 50 are connected with a television receiver 10 by using a transmission channel capable of control signal transmission, and reserved information of the recorders 30, 50 is transmitted to a television receiver 10 via the transmission channel. The information is stored in a storage device 23 of the receiver, thereby enabling the unified management of reserved recording information of the respective recorders 30, 50.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002301801-A (JP)
Title: Computer-to-plate process by ink jet
Inventor: LOCCUFIER JOHAN
IPC: B41N1/14
Filed: 2001-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a lithographic printing plate which is simple and at a low price, does not require an intermediate graphic film, does not require a treatment, generates hardly or no wastes, and therefore, is advantageous from an ecological viewpoint, and wherein the manufacturing works can be done in the sun. SOLUTION: This manufacturing method for a lithographic printing plate is performed by an ink jet printing. An ink jet fluid contains a computed to impart lipophilic property having a functional amidine group which can react with the surface of a lithographic acceptor, in the chemical structure. Under a preferable configuration, the amidine group is an imidazoline group.
Patent JP-2003198892-A (JP)
Title: Opening/closing type communication terminal
Inventor: NAKAE KAZUAKI
IPC: H04N5/225
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an opening/closing type communication terminal capable of protecting the privacy of an object to some extent.  <P>SOLUTION: When a user depresses an OK key 6 while the opening/closing type communication terminal 1 is opened in a camera photographing mode, a control section 20 gives a consecutive shot instruction to a camera section 25 to photograph an object, a call arrival notice loudspeaker 27 outputs a first shutter sound. When the user depresses a side key 12 when the opening/closing type communication terminal 1 is closed, the control section 20 recognizes the closing state and photographs the object, produces the shutter sound louder than the first shutter sound in the opening state or a voice as 'a picture is photographed' from the call arrival notice loudspeaker 27 to inform the user about the photographing.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003198747-A (JP)
Title: Method and system for managing device condition, program for performing the method, information recording medium with program recorded thereon, management device, and terminal
Inventor: KISHINO KOJI
IPC: A61H23/02
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device condition managing method which enables a user to grasp the money reception amount and the usage state of the device and, moreover, various condition of the device such as a sales condition and a working condition without requiring maintenance personnel to visit a site with the device arranged therein and without causing increase in communication expenditure and also to provide a program for performing the method, an information recording medium with the program recorded thereon, a device condition managing system, a management device and a terminal.  <P>SOLUTION: The device condition managing system includes a first device to be utilized by users and a second device to be communicated with the first device via a network and the condition of the first device is managed by the second device. The first device is provided with a control means for performing control to transmit condition information concerning the first device to the second device through the use of a function to report before-communication information before reception whenever the device is operated.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003200885-A (JP)
Title: Sport board
Inventor: MIYASAKA MAKIHIRO
IPC: B63B35/73
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a board for sport possible to control a board traveling direction by operating a load to be applied to pedals and possible to control the board in response to a water flow of a river or the like.  <P>SOLUTION: This sport board is formed by rotatably fitting movable fins 12a and 12b to a rear part of a board main body 10. The top surface of the board main body 10 is provided with pedals 14a and 14b to be moved in the vertical direction, and the movable fins 12a and 12b are provided to be usually returned to an upper position. An operating mechanism is provided to apply a load to the pedals 14a and 14b to lower the pedals 14a and 14b and to move the movable fins 12a and 12b to a lower position, in which the movable fins 12a and 12b receive the flow, with the lowering operation of the pedals 14a and 14b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003203401-A (JP)
Title: Coating method and method of forming resin layer
Inventor: ITO HIDEKAZU
IPC: G03F7/16
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To make the thickness of coating uniform by a spin coating method and to form a resin layer of uniform thickness.  <P>SOLUTION: Segments where the thickness of the coating is nonuniform are formed in guide segments 103 and 104 off the desired coating surface, by which the thickness of the coating application within the desired coating surface is made uniform. The resin layer having the uniform thickness is formed by using the coating method.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003202517-A (JP)
Title: Stereoscopic image display device
Inventor: MORISHIMA HIDEKI
IPC: G02B30/25
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein it is necessary to move a parallax barrier in a horizontal direction or the like synchronously with the switching of right and left parallax image displays in a conventional stereoscopic image display device.  <P>SOLUTION: This display device is provided with an image display means 1 for alternately displaying right and left parallax images in time division, first and second polarization elements 2, 4 having two kinds of polarizing action areas (a), (b) in which polarizing action for transmitting and interrupting incident light in accordance with the polarization direction of the incident light is fixed alternately in the lateral direction and a polarization conversion element 3 for converting the polarized state of image light obtained from approximately the whole of the display surface of the means 1 are arranged on the exit side of image light from the means 1, and a control means 5 which switches the polarization conversion state of the element 3 synchronously with the display switching of the parallax images in the display means 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003500602-A (JP)
Title: デスモドロミックカム駆動型可変バルブタイミング機構
IPC: F01L1/30
Filed: 2000-06-01
Abstract: (57)【要約】
【解決手段】  デスモドロミックカム駆動型可変バルブタイミング（ＶＶＴ）機構は、バルブ作動式振動カム（４４）を駆動するロッカー機構（３５、３６）を作動するため二重回転式の開放カム（１８）及び閉鎖カム（２０）を備える。二重回転式カム駆動装置（１８、２０）は、バルブ開閉方向の両方にロッカー機構（３５、３６）を積極的に作動させる。かくして、当該機構をバルブ閉鎖位置に偏倚させるため従来のカム駆動型機構で必要とされる戻りスプリングを提供する必要性を回避する。可変比率スライダー及びスロットの制御レバー駆動装置（６４、６６、６８、７０、７２）、並びに、制御シャフト（６１）用の後方力制限ウォーム駆動装置（７４）は、追加のシステム利点を提供するためデスモドロミックカム機構と結合される。
Patent JP-2003501556-A (JP)
Title: 活性化処理に依存せずに水素を吸着することができる複合材料、及びその製造方法
IPC: C01B3/00
Filed: 2000-06-01
Abstract: (57)【要約】
水及び酸素のような大量の不活性ガスに露出させた後でさえも、水素を吸着することができる複合材料を開示する。この複合材料は、パラジウム、パラジウム−銀合金、酸化パラジウム、又はパラジウムと非蒸発性ゲッター材料との反応による化合物の堆積物によって、少なくとも部分的に表面をコーティングされた非蒸発性ゲッター材料でできている。更に、これらの複合材料を製造する方法も開示する。
Patent JP-2003531412-A (JP)
Title: サービスを作成するための方法および装置
IPC: G06Q10/00
Filed: 2000-06-09
Abstract: (57)【要約】
ネットワーク・サービスを作成するための方法および装置を提供する。ｗｅｂサービス全体のプログラミングまたはハード・コーディングの代わりに、本発明は、ｗｅｂサービスを作成するために利用することができるコードを生成するモジュール／メカニズム（テンプレート（１００）と呼ばれる）を容易に作成するための能力を提供する。したがって、テンプレート（１００）が形成され、利用されて、アプリケーション（１０４）またはｗｅｂサービスを生成することができるモデル（２０４）が作成される。各テンプレートは、機能のリスト（２０２）およびモデル（１０２）（ランタイム・モデルまたはＲＴＭと呼ばれる）からなる。ＲＴＭ（１０２）はＸＭＬドキュメントであり、これはｗｅｂサービス・アプリケーション（ＷＳＡ（３０４）と呼ばれる）の構造、機能性および挙動を宣言する。１つまたは複数の実施形態では、各機能が、新しいＲＴＭ（１０２）において出力されるＸＭＬエンティティを生成することを担う。各機能は、１つまたは複数のユーザの入力を得ることができ、これが利用されてＸＭＬエンティティが新しいＲＴＭにおいて構築される。さらに、各機能を順次処理することができ、これは、すでに（たとえば、他の機能によって）作成されているいかなる既存のＸＭＬエンティティも修正するための能力を有する。
Patent JP-2003502557-A (JP)
Title: 内燃機関用の冷却されるピストン
IPC: F02F3/22
Filed: 2000-05-05
Abstract: (57)【要約】
ピストンヘッドにリング状に環状の冷却通路が設けられており、該冷却通路が、ピストンスカートに向かって開放する端部において、相応に成形されていてピストンに固定されている少なくとも１回半径方向に分割された壁部分によって閉鎖されている形式の、内燃機関用の冷却されるピストンにおいて、冷却通路内への冷却オイル供給を改善するために、本発明では、壁部分が、分割部に所属もしくは対応配置された端部にそれぞれ、切欠きと、冷却オイル噴流を変向させるために働きかつ上方に向かって折り曲げられた部分とを有している。
Patent JP-2003507282-A (JP)
IPC: B66C1/42
Filed: 2000-08-18
Abstract: Container moving apparatus (10) including a frame having two side members (12, 14), which are connected at an upper location by a handle section (16). Each side member has a clamping member (20, 22) secured at a lower position. The clamping members (20, 22) are secured to the side members (12, 14) through roller bearings (24, 26) in order for the clamping members (20, 22) to rotate relative to the side members (12, 14). The clamping members (20, 22) are arranged to clamp a container (32) therebetween in order for the container (32) to be rolled along a surface under the control of the handle section (10). The clamping members (20, 22) can be moved apart in order to release the container (32) and move towards each other in order to claim the container (32).
Patent JP-2003508191-A (JP)
Title: ペイントドライヤ及びペイントドライヤシステム
IPC: F26B23/02
Filed: 2000-08-30
Abstract: (57)【要約】
本発明のペイントドライヤは、塗装されて乾燥される対象物(15)を収容するキャビン(12)を含む。少なくとも一つの外気源(8)は、ドライヤ(1)に関連する空気循環システムに外気を導入するために提供され、前記空気の循環に結びつく。少なくとも一つのピュアガス供給ライン(7)が提供され、熱浄化され加熱された不用空気がピュアガスとして導入され、それによって、所望の温度で循環システムで循環される廃ガスを維持し、こういった方法でキャビン(12)に配置される対象物(15)が放射および／または対流によって、乾燥可能になる。ピュアガス供給ライン(7)は、少なくとも縦の管セグメントに沿って外気源ライン(8)によって、囲まれ、少なくとも前記縦の管セクションにおいて、ピュアガス供給ライン(7)は、外気源(8)に流入する外気に熱を伝達できるように構成される。本発明はまた、代わるがわる配置され、本発明のペイントドライヤとして構成される幾つかのペイントドライヤ・モジュールを含むペイントドライヤ・ユニットに関する。
Patent JP-2003512790-A (JP)
IPC: H04W8/18
Filed: 2000-10-18
Abstract: The present invention relates to a message transmission system comprising a telecommunication network ( 2 ) comprising a communication server ( 4 ) and at least one wireless telephone ( 1 ), the server comprising means for sending messages to one or more wireless telephones, the wireless telephone or telephones ( 1 ) being equipped with means for storing and processing message (Mess-Serv), characterized in that the messages (Mess-Serv) comprise a first field (V-TYP) containing information relating to the type profile of the recipient of the message and in that the processing means compare the profile stored in each wireless telephone relative to the subscriber using the wireless telephone to the profile contained in the message, and authorize the storage of the messages in the storage means if the profile of the subscriber using the wireless telephone is compatible with the type profile contained in the field of the message.
Patent JP-2003513311-A (JP)
Title: 合成すべき音声応答の基本周波数の時間特性を定めるための方法
IPC: G10L25/90
Filed: 2000-10-24
Abstract: (57)【要約】
本発明は、合成すべき音声応答の基本周波数の時間特性を定めるための方法に関している。本発明では、ニューラルネットワークを用いて基本周波数の事前定義マクロセグメントが定められ、さらにこの事前定義マクロセグメントが、データベースに記憶されている基本周波数シーケンスを用いて再生されている点で傑出している。本発明の方法によれば、基本周波数が、ニューラルネットワークを用いて分析される比較的大きなテキスト区分に基づいて生成され、この場合はデータベースから基本周波数におけるミクロ構造が受け入れられる。このように形成された基本周波数は、そのマクロ構造に関してもミクロ構造に関しても最適化されたものである。これによって著しく自然な響きが達成される。
Patent JP-2003522915-A (JP)
Title: 改良緩衝器
IPC: F16F9/34
Filed: 2001-01-24
Abstract: (57)【要約】
当該緩衝器（１２）の吹出弁（４６）と圧縮チャンバ（３４）との間に配設された付加的なもしくは更なるスプリング付勢流体制御バルブ（９６）を有すると共に、反跳ストローク方向におけるピストン集成体（２４）の比較的低速移動の間において、すなわち、当該緩衝器（１２）の吹出弁（４６）を開成させる速度よりも低い速度にて増進された減衰性能特性を提供する、車両用緩衝器（１２）。更なるスプリング付勢流体制御バルブ（９６）は、緩衝器（１２）に対し、車両操舵に対するロール安定性に関する硬さを与え乍ら消費者に対しては所望の「静粛な」または柔軟に緩衝された乗り心地を提供する。
Patent JP-2003523008-A (JP)
IPC: G05D16/20
Filed: 2001-01-31
Abstract: A gas regulator (14) is provided for regulating the pressure of a gas flowing from a source (12) of the gas under pressure to a device (24) for using the gas. The regulator (14) includes a housing (26) and a pressure reducing valve (36) in the housing for controlling the flow of gas from an inlet (28) under pressure to an outlet (32) at a regulated pressure. The pressure reducing valve is controlled by a pressure responsive member (40, 44) which is displaced by operating feed and bleed valves (50) coupled to a control chamber (46) of the pressure responsive member. The feed and bleed valves are operated by a high speed solenoid actuator (68). The bleed valve is vented to the outlet of the housing from the control chamber which is maintained at a higher pressure. The high speed solenoid actuator (68) is operated by a controller (18) for controllably varying the output pressure as desired.
Patent JP-2003528599-A (JP)
IPC: C12N5/10
Filed: 2001-03-13
Abstract: The invention provides isolated nucleic acid and amino acid sequences of four novel G-protein coupled receptors that are amplified in breast cancer cells, antibodies to such receptors, methods of detecting such nucleic acids and receptors, and methods of screening for modulators of G-protein coupled receptors.
Patent JP-2003533142-A (JP)
Title: ビデオ情報を符号化し復号化する方法、動き補償ビデオ符号器及び対応する復号器
IPC: H03M7/36
Filed: 2001-05-08
Abstract: (57)【要約】
ビデオ情報を符号化する方法が提示されており、その方法では現在のビデオ情報の断片がマクロブロックに分割され、マクロブロックをブロックに分割するための一定数の利用可能なマクロブロック分割が定められる。更に、各々の利用可能なマクロブロック分割について少なくとも１つの利用可能な予測方法が定められ、その予測方法の各々は前記マクロブロック内のブロックについて予測動き係数を作り、一定の有限の数の利用可能なマクロブロック分割・予測方法対をもたらす。マクロブロックについて、その利用可能なマクロブロック分割・予測方法対のうちの１つが選択され、その後に該マクロブロックはブロックに分割され、選択されたマクロブロック分割・予測方法対を用いて前記マクロブロック内のブロックについての予測動き係数が生成される。対応する復号化方法、符号器及び復号器も提示されている。
Patent JP-2003533765-A (JP)
IPC: G06F7/52
Filed: 2001-04-11
Abstract: In a data processing method, a remainder R that is produced during the division of an integer A by a prescribed integer B is calculated recursively. For this purpose, a data symbol word representing the integer A is decomposed into K data symbol part-words W<SUB>0</SUB>, W<SUB>1</SUB>, . . . , W<SUB>K-1 </SUB>of word length L, and in each recursion step a function F determined by the numbers B and L is applied to an argument that depends on the function value F<SUB>i-1 </SUB>obtained in the preceding recursion step, and on a data symbol part-word W<SUB>K-i</SUB>.
Patent JP-2002263828-A (JP)
Title: System and method for supplying metal
Inventor: ANZAI YOSHINORI
IPC: B22D39/06
Filed: 2002-01-07
Abstract: PROBLEM TO BE SOLVED: To reduce energy loss by preventing a container in which molten metal is stored from coming into a waiting state to the utmost. SOLUTION: The container mounting part 182 of a delivery car 18, on which the container 100 for storing the molten metal is mounted, is provided with a holding table 182a for holding the container 100 in the state of being movable vertically and rotatable nearly in the center of it. Load cells 182d for measuring the weight of a mounted matter mounted on this table 182a are provided under the table 182a. Under the cells 182d, a rotary drive mechanism 182e for rotate- driving the table 182a is provided in addition. Under this mechanism 182e, a vertically moving drive mechanism 182f vertically moving and driving the table 182a by this mechanism 182e, etc., is provided. Between an operation part 181 and the mounting part 182, a columnar pressurizing tank 183a capable of housing pressurized gas is placed horizontally and fixed.
Patent JP-2002330369-A (JP)
Title: Turning device
Inventor: MATSUOKA HIROSHI
IPC: H05K5/02
Filed: 2002-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a turning device that enhances handling performance of a ball inserted to a hole of a retainer so as to improve the assembling efficiency and the production efficiency. SOLUTION: The turning device is provided with a base 1; a cabinet 2 that is turnably supported on the base 1; a plurality of balls 21 placed between the base 1 and the cabinet 2; and a retainer 22 wherein holes 22a for insertion of the balls 21 to them are formed at a proper interval. Projections 22b to hold the ball 21 are provided to the circumferential edge of the hole 22a in the retainer 22 so as to improve the handling performance of the balls 21.
Patent JP-2003033189-A (JP)
Title: Method for producing zaq ligand
Inventor: YAMADA TAKAHISA
IPC: A61P43/00
Filed: 2002-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for obtaining a protein having the same activity as a ZAQ ligand isolated from eukaryocyte by efficiently recovering the activity of an inert ZAQ ligand produced in prokaryocyte by using a gene manipulation technique. SOLUTION: This method for producing an activated ZAQ ligand comprises expressing the inert ZAQ ligand in a prokaryotic host cell by using the gene manipulation technique and then refolding the inert ZAQ ligand in a redox buffer.
Patent JP-2003216569-A (JP)
Title: External bus access method
Inventor: KUSUTAKI IZUMI
IPC: G06F13/362
Filed: 2002-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an external bus access method capable of being applied to an existent system without extending a new signal circuit.  <P>SOLUTION: A bus initiator 2 as a controller and clients 3-5 as a plurality of devices to be controlled are connected by an external bus 1. A signal line 11 of a bus open request signal (BUSREQ) of the external bus 1 and a signal line 12 of a bus open permission signal (BUSACK) are connected by a daisy chain. The access priority to the bus open request signal (BUSREQ) is decided by setting registers 32, 42, 52 built in every client 3-5.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003212056-A (JP)
Title: Panel structure
Inventor: NAGAYAMA HIROKI
IPC: B32B15/08
Filed: 2002-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To improve a thermal environment in a vehicle compartment when a vehicle is left under the brazing sun by heightening a heat insulation effect of a vehicle body and shutting off radiation heat from a vehicle body outer panel as well as high temperature air intervened in a vehicle body frame material.  <P>SOLUTION: In this panel structure, a thin plate 3 with a face having a infrared ray reflecting function directed to a panel side is adhered on the surface of a compartment inner panel 1a via a heat insulating layer 2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003214446-A (JP)
Title: Turning bearing of construction machine
Inventor: SEKIDO SHINICHI
IPC: E02F9/12
Filed: 2002-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a turning bearing of a construction machine by plastic grease, easily manufacturable by a conventional technology, and capable of increasing the number of rolling bodies capable of being housed in a rolling body housing space.  <P>SOLUTION: This turning bearing of the construction machine such as a hydraulic excavator and a crane has an inner race 1 and an outer race 2 arranged so as to surround this inner race 1, and houses a large number of rolling bodies 3 in the annular rolling body housing space 5 formed between both so as not to contact with each other, and is arranged between a base such as a lower traveling body and a turning body such as an upper turning body for turning on this base, and turns the turning body while supporting the turning body. The plastic grease 10 is filled in the rolling body housing space 5 for housing a large number of rolling bodies 3 by holding clearance so as to block up the clearance between the mutual adjacent rolling bodies 3, and the mutual rolling bodies 3 are constituted so as not to contact with each other by the plastic grease 10 without depending on a spacer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003218614-A (JP)
Title: Directional coupler
Inventor: KAWAGUCHI KIYOSHI
IPC: H01P5/22
Filed: 2002-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a directional coupler the line width of which can be increased even when a degree of coupling is increased.  <P>SOLUTION: The directional coupler is characterized in that first transmission lines whose characteristic impedance is Z1 and whose length is 1/4 of the operating wavelength and second transmission lines whose characteristic impedance is Z2 and whose length is 1/4 of the operating wavelength are alternately coupled to each other at four branch points respectively the directional coupler has four input and output terminals whose characteristic impedance is Z0, which are connected to other terminal of an external load whose one terminal is connected to ground and connected respectively to each of the branch points, and the branch points and the input and output terminals are connected via a third line whose characteristic impedance Z3 is Z3=(Z0×Z1×Z2)<SP>1/2</SP>/(Z1<SP>2</SP>-Z 2<SP>2</SP>)<SP>1/4</SP>and whose line length is equal to 1/4 of the operating wavelength.  <P>COPYRIGHT: (C)2003,JPO