baber/WOPTO huggingface dataset:
Patent JP-2021054634-A (JP)
Title: Wiper blade, cleaning device, cleaning unit, and image formation device
Inventor: YAMADA CHIAKI
IPC: G03G21/00
Filed: 2019-10-02
Abstract: To provide a wiper blade that controls passing through of the cleaning liquid.SOLUTION: A wiper blade 22 cleans using adhesive compound the surface of a transport belt that transports a recording medium. The wiper blade has a blade 220 that includes: a first surface 220a including an abutting part that can abut on the transport belt: and a second surface 220b that is located on the opposite side of the first surface 220a. The hardness of at least the abutting part on the side of the first surface 220a is lower than the hardness on the side of the second surface 220b.SELECTED DRAWING: Figure 2
Patent JP-2021058259-A (JP)
Title: Game machine
Inventor: NOZAKI TAKU
IPC: A63F7/02
Filed: 2019-10-03
Abstract: To provide a game machine equipped with new game properties.SOLUTION: A game machine includes: special game state control means capable of control into a special game state that profit can be imparted to a player when a special result is derived; first advantageous state control means capable of control into a first advantageous state; second advantageous state control means capable of control into a second advantageous state more advantageous than the first advantageous state; and advantageous period change means capable of changing a period in which passage frequency of game balls into a special start area in the first advantageous state can be increased. A period in which the passage frequency of game balls into a special start area differs from when a first specific non-special result is derived and when a second specific non-special result is derived in the first advantageous state, and performance that is impossible or hard to grasp which is derived is displayed.SELECTED DRAWING: Figure 719
Patent JP-2020068376-A (JP)
Title: Etching composition additive, manufacturing method thereof, and etching composition containing the same
Inventor: KIM CHEOL WOO
IPC: H01L21/306
Filed: 2019-10-03
Abstract: To provide an etching composition additive having high selectivity, which can selectively remove a nitride film while minimizing an etching rate of an oxide film, a manufacturing method of the additive, and an etching composition containing the same.SOLUTION: There is provided an etching composition additive generated by reaction of phosphoric anhydride with a silane compound represented by the following chemical formula 1. In the chemical formula 1, A is an n-valent radical, L is a direct bond or C-Chydrocarbylene, Rto Rare independently hydrogen, hydroxy, C-Chydrocarbyl, or C-Calkoxy, and n is an integer of 2 to 5, and the silane compound of the chemical formula 1 excludes siloxane.SELECTED DRAWING: None
Patent JP-2021060225-A (JP)
Title: Data processing system, data processing method, and program
Inventor: ITAMI TAKESHI
IPC: G01W1/02
Filed: 2019-10-03
Abstract: To provide a system that performs data processing based on magnetic disturbance forecasts due to solar activity.SOLUTION: Provided is a data processing system including a magnetic disturbance forecast server and an information processing device, the magnetic disturbance forecast server comprising acquisition means for acquiring satellite observation data and generation means for generating forecast data, using the satellite observation data, that pertains to the occurrence of magnetic disturbance for each district. The information processing device includes processing means which, on the basis of forecast data generated by the generation means for a district where the information processing device is located, executes data processing for protecting the data that the information processing device holds.SELECTED DRAWING: Figure 9
Patent JP-2021059519-A (JP)
Title: Oral composition
Inventor: MOTOOKA KANA
IPC: A61K38/16
Filed: 2019-10-09
Abstract: To provide a composition that has excellent palatability and has excellent anti-obesity effect and body fat reduction effect.SOLUTION: An oral composition contains Pueraria hirsuta processed products and protein.SELECTED DRAWING: None
Patent JP-2020022188-A (JP)
Title: Sound wave detection element
Inventor: YONEDA TETSUYA
IPC: H04R17/00
Filed: 2019-10-11
Abstract: To provide a sound wave detection element having excellent sound wave detecting ability and durability.SOLUTION: The sound wave detection element includes: a porous resin body made of a resin having no dipole caused by a molecule and a crystal structure; and a pressure-resistant container. The porous resin body includes: a nonwoven fabric formed of a fiber made of a resin; or a woven fabric.SELECTED DRAWING: None
Patent JP-2021053612-A (JP)
Title: Paint can with ring-shaped lid on cap
Inventor: NARUKI ARIHIKO
IPC: B44D3/12
Filed: 2019-09-27
Abstract: To solve the problem that a paint adhering to a cap has to be washed off with a solvent hitherto, because it becomes hard as the time passes during painting, and closing of a lid of the can becomes difficult.SOLUTION: In a paint can with a ring-shaped lid on a cap (2), an upper part of the cap (2) of the paint can (3) is covered with a ring-shaped cover lid (1), to thereby prevent the paint from adhering to the cap (2) part, and to remove a labor of cleaning.SELECTED DRAWING: Figure 3
Patent JP-2021068140-A (JP)
Title: Region dividing device, dividing method, and dividing program
Inventor: YOSHIYAMA TOMOYUKI
IPC: G06T7/00
Filed: 2019-10-23
Abstract: To solve a problem in that division results easily vary due to diversification of learning data of a classifier, etc., in region division in which data groups distributed in a space are classified into a plurality of classes and the space is divided into label regions.SOLUTION: As a classifier that outputs a label region for an interest class group after performing a classification process as a result of input of a data group and the interest class group, model storage means 42 stores a learned model in which learning is performed using a learning data group and a learning interest class group given in the forms of a correct class thereof and a subset of the correct class. Interest class setting means 54 sets an interest class group for the data group. Region dividing means 55 receives setting of the interest class group, inputs the data group and the interest class group to the classifier, and obtains a label region for the interest class group. Interest class setting means 54 repeats a process of adding a supplemental class to the interest class group and setting the new interest class group until the classification process by the region dividing means 55 satisfies a predetermined condition.SELECTED DRAWING: Figure 6
Patent JP-2021068363-A (JP)
Title: Abnormality detection system
Inventor: KONDO ISAO
IPC: G08B25/04
Filed: 2019-10-28
Abstract: To provide an abnormality detection system that can accurately detect when an abnormality occurs in a bathroom or a dressing room while reducing a cost.SOLUTION: An abnormality detection system SY is comprised of: upper and lower human body detecting means Sa, Sb capable of detecting a movement of a person 9 in a predetermined upper space area Aa of a bathroom 1 or a dressing room 2 and a lower space area Ab below the upper space area Aa; and control means 31 for determining that an abnormality has occurred in the bathroom 1 or the dressing room 2 in the case where among these human body detecting means Sa and Sb, a state is changed from a first state in which the movement of the person 9 is detected only by the lower human body detecting means Sb into a second state in which the movement of the person 9 is not detected by both the upper and lower human body detecting means Sa and Sb, and this second state continues for a predetermined time or more.SELECTED DRAWING: Figure 1
Patent JP-2021069469-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2019-10-29
Abstract: To provide a game machine that can prevent the decline in game interest.SOLUTION: First shooting promotion display control means, when a specific variable display is executed, can change first shooting promotion display from a predetermined mode to a specific mode different from the predetermined mode. A suggestion performance includes a first suggestion performance and a second suggestion performance in which a performance image displayed on display means is larger than that of the first suggestion performance. The first shooting promotion display control means can make the first shooting promotion display non-display in response to the execution of the second suggestion performance. When the second suggestion performance is completed, the first shooting promotion display that has not been displayed may be displayed again and the non-display of the first shooting promotion display may be continued. The ratios to be controlled to an advantageous state are different between cases where the first shooting promotion display is displayed again and the non-display of the first shooting promotion display is continued, when the second suggestion performance is completed.SELECTED DRAWING: Figure 11-28
Patent JP-2020068776-A (JP)
Title: Charcoal-containing composition
Inventor: YOKOYAMA ISAO
IPC: A61K8/73
Filed: 2019-10-29
Abstract: To provide a charcoal-containing composition that exhibits a useful effect, has good dispersion characteristics and is easily soluble in water.SOLUTION: Provided is a charcoal-containing composition in which at least one of activated charcoal or edible charcoal by 3 to 70% and inulin by 5 to 95% in weight ratio are mixed. The charcoal-containing composition may further be mixed with Gagome kelp powder in a weight ratio of 10 to 40%. Also, citric acid may be mixed in a weight ratio of 0.3 to 30%, and ocean deep water may further be mixed in a weight ratio of 0.3 to 30%. Amorphous water-soluble silicon (hydrous silica/hydrous silicic acid such as metasilicic acid or orthosilicic acid) may further be mixed in a weight ratio of 0.01 to 5%, fulvic acid may further be mixed in a weight ratio of 0.01 to 5%, and, further, seaweed powder may further be mixed in a weight ratio of 0.01 to 5%.SELECTED DRAWING: None
Patent JP-2021081808-A (JP)
Title: Flapless car park adjustment system
Inventor: FUKUSHIMA TAKESHI
IPC: G06Q50/10
Filed: 2019-11-14
Abstract: To exempt adjustment process at an adjustment machine for a predetermined user.SOLUTION: An adjustment machine 40 stores a vehicle number for a vehicle entering vehicle compartment 4. The adjustment machine 40 transmits the vehicle number of an exiting vehicle to a management device 20 when the vehicle exits from the vehicle compartment 4. The vehicle number of the user's vehicle for exempting the adjustment process is stored beforehand to the management device 20. The management device 20 transmits a message indicating that the vehicle is to be exempted from the adjustment process to the adjustment machine 40 when the vehicle number from the adjustment machine 40 is stored beforehand. The adjustment machine 40 stores entrance date and time, exit date and time, and the vehicle number as record without carrying out the adjustment processing for the exit vehicle when the message transmitted from the management device 20 indicates the vehicle to be exempted from the adjustment process.SELECTED DRAWING: Figure 1
Patent JP-2021082658-A (JP)
Title: Electromagnetic wave-shield film, electromagnetic wave-shield film-attached print wiring board, and manufacturing method thereof
Inventor: KATAGIRI WATARU
IPC: H05K1/02
Filed: 2019-11-15
Abstract: To provide: an electromagnetic wave-shield film which can prevent the occurrence of a trouble including the rupture or deformation of an insulative resin layer, an electromagnetic wave-shield layer or a print wiring board in thermocompression, and which can improve the workability because of satisfactory adhesion and electrical connectability which can be ensured even in a gentle press condition; an electromagnetic wave-shield film-attached print wiring board; and a manufacturing method thereof.SOLUTION: An electromagnetic wave-shield film 1 comprises: an insulative resin layer 10; a metal layer 22 adjacent to the insulative resin layer 10; and an anisotropic conductive adhesive layer 24 adjacent to the metal layer 22 on a side opposite to the insulative resin layer 10. The anisotropic conductive adhesive layer 24 contains thermally conductive particles 24b. The thermally conductive particles 24b are 40 MPa or less in 10%-compression strength.SELECTED DRAWING: Figure 1
Patent JP-2021078400-A (JP)
Title: Beer taste beverage
Inventor: SASAKI Mayu
IPC: A23L2/56
Filed: 2019-11-18
Abstract: To provide a novel technique that can enhance the body of a beer taste beverage.SOLUTION: A beer taste beverage has a bitterness value of less than 5.0 B.U., and contains γ-butyrolactone, the content of it being 250 ppb or more.SELECTED DRAWING: None
Patent JP-2021082195-A (JP)
Title: Vehicle allocation support system, computer, terminal, vehicle allocation support method, and program
Inventor: KONNO TAISUKE
IPC: G06Q10/08
Filed: 2019-11-22
Abstract: To provide a vehicle allocation support system, a computer, a terminal, a vehicle allocation support method and a program for automating photographing at a delivery point and facilitating grasping the state of a cargo chamber.SOLUTION: A vehicle allocation support system 1 acquires cargo handling timing, photographing a cargo chamber on the basis of the acquired timing, analyzes photographic information of the photographed cargo chamber, analyzes a packing type and loadage in the cargo chamber, acquires operation information on a vehicle being driven, and outputs the analyzed packing type and loadage in the cargo chamber in association with each other, on the basis of the acquired operation information, for each vehicle position of the vehicle.SELECTED DRAWING: Figure 1
Patent JP-2021084344-A (JP)
Title: Candle manufacturing mold
Inventor: MATSUO MASAHIKO
IPC: B29C33/40
Filed: 2019-11-28
Abstract: To provide a candle manufacturing mold in which a solidified candle can be easily pulled out, and a wick can be easily and securely set.SOLUTION: A candle manufacturing mold 1 in which a molten candle material is poured and molded, is provided with a cylindrical mold frame 10 with both ends opened, and a bottom part 20 detachably mounted on an end portion of the mold frame. The bottom part has a fitting portion 22 for allowing the end portion of the mold frame to be detachably inserted, and a hole 23 for allowing a wick to pass through, and is formed with an elastic material having a heat resistant temperature higher than a melting point of the candle material.SELECTED DRAWING: Figure 1
Patent JP-2021094628-A (JP)
Title: Cutting insert, blade edge replaceable rotary cutting tool, and rotary cutting processing method
Inventor: ITO KINUE
IPC: B23B27/14
Filed: 2019-12-16
Abstract: To provide a cutting insert that can prevent a material to be cut from warping, a blade edge replaceable rotary cutting tool, and a rotary cutting processing method.SOLUTION: The cutting insert comprises a front surface 11, a rear surface 12, an outer peripheral surface 13, and a cutting blade 14 formed at a ridge-line between the front surface 11 and the outer peripheral surface 13. The rear surface 12 has a planar shape perpendicular to an insert center axis C, and the outer peripheral surface 13 has a flank face 20. The flank face 20 obliquely extends toward inside in a radial direction of the insert as going from the front surface 11 toward the rear surface 12 in a direction of an insert axis. The front surface 11 has a rake face 15, and the rake face 15 obliquely extends from the rear surface 12 toward the front surface 11 in the direction of the insert axis as going from the cutting blade 14 toward inside in the radial direction of the insert.SELECTED DRAWING: Figure 8
Patent JP-2021096658-A (JP)
Title: Information processing device and information processing program
Inventor: MIYATA KENJI
IPC: G06Q30/06
Filed: 2019-12-17
Abstract: To provide an information processing device and an information processing program, which suppress the waste of resources to be used for an object to be produced.SOLUTION: A processor receives an order relating to production including an object and the number of objects for at least one user US, and changes the number HM of received orders so that a part not used for the production of a resource PM to be used when producing the object is equal to or less than a predetermined reference.SELECTED DRAWING: Figure 1
Patent JP-2020059650-A (JP)
Title: Paving mixture and production method thereof
Inventor: OIDA MASARU
IPC: C08L95/00
Filed: 2019-12-23
Abstract: To provide a paving mixture capable of storing for a long period of time and developing strength equivalent to a hot asphalt mixture by heating and a production method thereof.SOLUTION: The paving mixture 10 contains an aggregate 11 and a coating layer 12 coating a surface of the aggregate 11. The coating layer 12 contains, from the inside, an asphalt layer 13, an adhesion layer 14, and a separation layer 15. The separation layer 15 is a layer formed by adding a demulsifier 19 to the asphalt emulsion 18.SELECTED DRAWING: Figure 1
Patent JP-2021098677-A (JP)
Title: Detergent composition
Inventor: ONIZUKA SHIGEYASU
IPC: A61K8/44
Filed: 2019-12-24
Abstract: To provide a detergent composition that has reduced skin irritation, foams well with good foam quality (resilience), and gives a moist feeling to the skin after washing, avoiding a creaky feeling.SOLUTION: A detergent composition contains (A) a fatty acid salt, including myristate but not including laurate, (B) N-acyl aspartate, and (C) N-acyl methyl taurine salt. Preferably it also contains (D) an ampholytic surfactant and (e) alkyl polyglucoside.SELECTED DRAWING: None
Patent JP-2021104137-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2019-12-26
Abstract: To provide a game machine capable of maintaining interest in a game.SOLUTION: A pachinko machine 1 has a start pocket capable of receiving game balls hit into a game area 5a. When a game ball enters the start pocket, determination processing regarding winning is performed. Thereafter, variable display corresponding to a result of the determination processing is started and, if a winning pattern is displayed in the variable display, a winning game is executed. Accordingly, the pachinko machine 1 can perform a special performance as a performance associated with operation means.SELECTED DRAWING: Figure 60
Patent JP-2021105843-A (JP)
Title: Information processing apparatus and method for controlling information processing apparatus
Inventor: YOKOTA KAZUYUKI
IPC: G06F3/08
Filed: 2019-12-26
Abstract: To provide a mirroring system that can repair data even when it uses a protocol for handling a plurality of commands at a time and a writing error occurs at different queue positions of a plurality of storages.SOLUTION: An information processing apparatus has non-volatile first storage means and non-volatile second storage means, and has control means that, in accordance with the fact that a response from the first storage means does not include information indicating an error and a response from the second storage means includes information indicating an error, reads out data from a first address of the first storage means corresponding to a first request, and writes the data read out from the first address of the first storage means in a first address of the second storage means corresponding to the first request.SELECTED DRAWING: Figure 12
Patent JP-2021107365-A (JP)
Title: Oily composition
Inventor: KAMATA SAKI
IPC: A61Q17/04
Filed: 2019-12-27
Abstract: To provide cyclic silicone-free oily compositions.SOLUTION: There is provided an oily composition containing (A) a polyoxyethylene (POE)-hardened castor oil with HLB 12 or less, (B) an organic modified clay mineral, and (C) a polar oil.SELECTED DRAWING: None
Patent JP-2021108085-A (JP)
Title: Method of evaluating advertising effect related to social goal of company
Inventor: OGAWA TOMOYA
IPC: G06Q30/02
Filed: 2019-12-30
Abstract: To provide a method aimed at realizing evaluation of an advertising effect related to a social goal.SOLUTION: This invention relates to a method of evaluating an advertising effect related to a social goal in a system for providing an advertising evaluation method, in which a server terminal stores information related to a social goal included in an advertisement and action information related to the goal which are received from an advertiser terminal, stores action related to the action information received from a user terminal, collects the action related to the advertisement as an advertising effect, and outputs the collected advertising effect.SELECTED DRAWING: Figure 10
Patent JP-2019531365-A (JP)
Title: 鋭利な先端を有する成形研磨粒子
IPC: C09K3/14
Filed: 2017-07-31
Abstract: 開示されている様々な実施形態は、鋭利な先端を有する成形研磨粒子、成形研磨粒子の製造方法、成形研磨粒子で基材を研磨する方法、及び成形研磨粒子を含む被覆研磨物品に関する。成形研磨粒子は、セラミックを含み、成形研磨粒子の長手方向軸に沿った多角形の断面形状を有し、かつ成形研磨粒子の少なくとも１つの先端は、約１９．２ミクロン以下の曲率半径を有する。
Patent JP-2019523618-A (JP)
Title: データ・ストリーム変更を制御するシステムおよび方法
IPC: H04N21/854
Filed: 2017-08-03
Abstract: いくつかの実施形態では、少なくとも２つのデータ・ストリームの送信のために構成された少なくとも１つの送信器であって、少なくとも２つのデータ・ストリームは、少なくともより低品質のプレビュー・ストリームとより高品質のコンテンツ・ストリームとを含む、少なくとも１つの送信器を含む、データ・ストリームをリモートに処理するシステムが提供される。複数のエディタ・コンピューティング・デバイスが、少なくともより低品質のプレビュー・ストリームを受信し、より低品質のプレビュー・ストリームに対する処理および編集を容易にし、処理および編集を表す機械可読命令のセットを生成するように構成される。少なくとも１つの送信器から配置された複数のルーティング・コンピューティング・デバイスが、少なくともより高品質のコンテンツ・ストリームと機械可読命令のセットとを受信し、出力コンテンツ・ストリームを生成するために機械可読命令のセットに基づいてより高品質のコンテンツ・ストリームを符号化することによってより高品質のコンテンツ・ストリームを処理するように構成される。【選択図】図２Ｄ
Patent JP-2019514763-A (JP)
Title: 両対辺が湾曲辺である３次元ガラスに用いられる膜貼り付け装置及び膜貼り付け方法
IPC: B29C65/00
Filed: 2016-09-19
Abstract: 両対辺が湾曲辺である３次元ガラス（２）に用いられる膜貼り付け装置（１）と膜貼り付け方法であって、前記膜貼り付け装置（１）は、フィルム（３）を固定するための上ベース（１１）と、前記３次元ガラス（２）を固定するための下ベース（１２）と、ローラ構造（１３）と、上ベース（１１）を回転させる回転シリンダ（１４）、上ベース（１１）、回転シリンダ（１４）及びローラ構造（１３）を上下に移動させ且つローラ構造（１３）に３次元ガラス（２）とフィルム（３）との圧着に対して圧力を印加させる昇降シリンダ（１５）とを含み、前記ローラ構造（１３）は、下にあるローラ（１３１）と、上にあるプレスローラ（１３２）とを含み、前記回転シリンダ（１４）は、上ベース（１１）を回転させて上ベース（１１）とローラ構造（１３）との相対位置を変更又は固定するために用いられる。当該装置は、構造が簡単であり、部品を容易に取得し、便利に製造し、当該装置及び方法は、両対辺が湾曲辺である３次元ガラスに対して膜貼り付けを行うのに非常に適し、その操作が便利であり、膜貼り付けの精度が高く、且つ貼り合わせの効率が高い。
Patent JP-2019535343-A (JP)
Title: 洗濯機の油圧レベリング装置及びその注入方法
IPC: D06F39/12
Filed: 2016-12-28
Abstract: 洗濯機の油圧レベリング装置及びその注入方法であって、油圧レベリング装置は油圧底脚（８００）を含む。油圧底脚（８００）は固定部と可動部を含む。固定部と可動部の間には中空室（３０１）が形成されており、中空室（３０１）には油圧媒体が充填されている。２つの前記油圧底脚（８００）は高圧オイル配管（７００）を介して連通している。圧力が作用すると、前記油圧媒体が油圧底脚（８００）間の中空室（３０１）において流動し、可動部を伸縮させることで自動レベリングを実現する。前記固定部には中空室（３０１）と連通するオイルノズル（２２１）が設けられている。２つの油圧底脚（８００）のオイルノズル（２２１）は、これらの連通を実現するよう、それぞれ高圧オイル配管（７００）を介して同一の接続部材（１５００）に接続される。油圧レベリング装置は２つの油圧底脚（８００）を備え、これらはそれぞれ高圧オイル配管（７００）に接続されている。高圧オイル配管（７００）は、２つの油圧底脚（８００）の連通を実現するよう同一の接続部材（１５００）に接続されている。これにより、油圧媒体は、自動レベリングを実現すべく２つの油圧底脚（８００）の間で互いに流動可能となる。【選択図】図１９
Patent JP-2019531082-A (JP)
Title: エアロゾル送達装置内のエアロゾル前駆体組成物を測定するための光検出器
IPC: A24F40/53
Filed: 2017-10-11
Abstract: エアロゾル前駆体組成物を保持するように構成されたリザーバを囲む少なくとも１つのハウジングと、アクティブ化し、エアロゾル前駆体組成物の成分を気化させるように制御可能な加熱要素とを含むエアロゾル送達装置が提供される。エアロゾル送達装置は、リザーバ内に光を放射するように構成された光源と、リザーバ内に保持されたエアロゾル前駆体組成物の量を示す光の反射を検出するように構成された光検出器とを含む。また、エアロゾル送達装置は、光検出器に連結され、反射、ひいてはエアロゾル前駆体組成物の量に基づいてエアロゾル送達装置の少なくとも１つの機能要素の動作を制御するように構成された制御構成要素を含む。
Patent JP-2019535352-A (JP)
Title: 落下保護具イベント生成及び監視
IPC: A62B35/00
Filed: 2017-10-12
Abstract: 一部の例では、システムが、１つ以上の電子センサを備える自己巻き取り式命綱（ＳＲＬ）であり、１つ以上の電子センサが、ＳＲＬの動作を示すデータを生成するように構成されている、自己巻き取り式命綱と、１つ以上のコンピュータプロセッサ及びメモリを備える少なくとも１つのコンピューティングデバイスとを備え、メモリは、１つ以上のコンピュータプロセッサによって実行されると、１つ以上のコンピュータプロセッサに、ＳＲＬの動作を示すデータを受信させる命令と、データをＳＲＬに関連する安全イベントの発生の可能性を予測する安全モデルに適用させる命令と、安全イベントの発生の可能性に少なくとも部分的に基づいて１つ以上の動作を行わせる命令と、を含む。
Patent JP-2019536077-A (JP)
Title: 音響光学コンポーネント用の高周波ドライバ回路及び高周波ドライバ回路を動作させるための方法
IPC: G02F1/11
Filed: 2017-10-17
Abstract: 音響光学コンポーネント（２）用の高周波（ＨＦ）ドライバ回路（１）は、供給電圧を供給するために電圧レギュレータ（４）に接続されたＨＦ電力増幅器（３）と、スイッチング素子（６）を介して電力増幅器（３）の入力端（７）に接続されたバイアス電圧発生器（５）とを備えている。