baber/WOPTO huggingface dataset:
Patent JP-2016501578-A (JP)
Title: 頭蓋領域の組織構造を撮影するｃｔ装置
IPC: A61B6/14
Filed: 2013-11-22
Abstract: 本発明は、頭蓋領域の撮影が可能であるように特別に設計されている医療用コンピュータ断層撮影装置に関する。本装置の構造は、撮影手段（２１，２２）および位置決め支持体（８）を備えているガントリー（２）を含んでおり、位置決め支持体（８）は、照射時、頭蓋領域の顔の領域によって形成される平面に実質的に平行な放射線ビームによって、実質的に頭蓋領域の顔の側の領域のみにおいて頭蓋領域が走査されるように、照射のため患者の頭蓋領域を位置決めするようにされている。【選択図】図３
Patent JP-2016500437-A (JP)
Title: 包装容器を電子ビームで照射するための装置および方法
IPC: G21K5/04
Filed: 2013-11-29
Abstract: 本発明は、対象物を電子ビーム(16)で照射するための照射装置に関するものである。前記照射装置は、前記電子ビーム(16)が通って放射される電子射出窓(20)を有する少なくとも1つの電子ビーム放射源(10)と、電子ビーム(16)の少なくとも第1の線量制御パラメータを測定するための少なくとも1つのセンサデバイス(56)とを備える。センサデバイスは、少なくとも前記電子ビームに一時的に暴露されるように適合されたプレート(74)の形態の感知領域(58)であって、前記プレート(74)が、前記電子ビーム(16)の電子(e-)が衝突したときX線(76)を発生するようにさらに適合されている感知領域(58)と、発生されたX線(76)を検出するように適合された少なくとも1つのX線撮像センサ(70)とを備える。本発明は方法にも関するものである。
Patent JP-2016513781-A (JP)
Title: 蒸気圧縮システムおよび蒸気圧縮システムを制御する方法
IPC: F25B1/00
Filed: 2014-02-24
Abstract: 方法は、可変速圧縮機を備える蒸気圧縮システムを制御する。所望の圧縮機の排気温度は、圧縮機の排気温度の値と、圧縮機の速度の値と、外気温との間のマッピングを用いて求められる。現在の排気温度を所望の排気温度へと遷移させる遷移関数が求められ、この遷移関数は、連続的であるとともに、この遷移関数の変化の割合が制限されている。次に、排気温度が遷移関数に基づいて所望の排気温度へ遷移されるように、蒸気圧縮システムの弁が制御される。
Patent JP-2016503754-A (JP)
Title: オピオイド受容体モジュレーターとしてのブプレノルフィン類似体
IPC: C07D489/12
Filed: 2013-12-04
Abstract: 本発明は、式１、式ＩＩ式ＩＩＩ、式ＩＶ、および式Ｖ（式中、Ｒ１、Ｒ２、Ｒ３ａ、Ｒ３ｂ、Ｒ１５ａ、Ｒ１５ｂ、Ｘ、Ｑ、ＧおよびＹは、本明細書中で定義された通りである）のブプレノルフィン類似体化合物を対象とする。本発明の化合物は、疼痛およびオピオイド受容体の活性により調節される他の状態を治療するために有用である。
Patent JP-2015536798-A (JP)
Title: バイアル瓶アダプタ
IPC: A61J3/00
Filed: 2013-12-05
Abstract: 安全注射器（４００）のような流体送達器具と閉鎖部（３２０）を有するバイアル瓶（３００）とを相互接続する為にバイアル瓶アダプタ（１００）が設けられる。バイアル瓶アダプタ（１００）は、ベース（１２０）、シュラウド（１３０）、カニューレ（１５０）を有するアダプタハウジング（１１０）を備え、シュラウド（１３０）は、ベース（１２０）から突き出るか延びており、カニューレ（１５０）は、バイアル瓶の閉鎖部（３２０）上のゴム製シール（３３０）を貫通する為にベース（１２０）から突き出るか延びており、バイアル瓶（３００）とバイアル瓶アダプタ（１００）との間に流体連通を確立する。シュラウド（１３０）は、複数の横方向スリット又はウィンドウ（１３１）を備えてもよく、各々のスリット又はウィンドウ（１３１）の内部には、シュラウド（１３０）に接続された屈曲アーム（１３２）があり、各屈曲アーム（１３２）は、様々な異なる大きさのバイアル瓶の閉鎖部（３２０）と係合及び／又はバイアル瓶の閉鎖部（３２０）を保持することができる。バイアル瓶アダプタ（１００）は、カニューレ（１５０）と流体連通した導管チップ（１６０）を備えてもよく、流体を安全注射器（４００）に移動させ、或いは、安全注射器（４００）から移動させると共に、安全注射器ニードル用格納機構の誤作動を防止する。【選択図】 図２Ａ
Patent JP-2016504221-A (JP)
Title: フィルム
IPC: C09D7/41
Filed: 2013-12-19
Abstract: 本発明は、フィルム、特に、レーザー書込み可能なフィルム、ならびにこのフィルムに使用される物質、およびこのフィルムの成分に関する。本発明は、フィルムを製造する方法、このフィルムの使用、およびこのフィルムを含む製品にさらに関する。
Patent JP-2016511435-A (JP)
Title: ３ｄホログラフィックイメージングフローサイトメトリ
IPC: G03H1/22
Filed: 2014-02-05
Abstract: 複数の生物標本の屈折率は、複数の余分な造影剤によって引き起こされる、光退色または悪影響の懸念なく、調査し得る、固有コントラストのソースである。この特徴は、細胞レベルおよび細胞内レベルにおける複数の細胞のメタボリズムに関連付けられ得る豊富な情報も含む。本発明は、移動部分なしに、例えば、マイクロ流体チャネル内を連続的に流れる複数の生物試料の３Ｄ屈折率マップを提供し得る複数のシステムおよび方法に関する。
Patent JP-2016512593-A (JP)
Title: 輻射熱を用いた自動車用面状発熱体
IPC: F24D13/02
Filed: 2014-02-24
Abstract: 【課題】遠赤外線放射層、金属層及び金属ワイヤーを含む炭素ナノチューブ発熱層の積層構造を含む自動車用面状発熱体を提供する。【解決手段】遠赤外線放射層、金属層及び金属ワイヤーを含む炭素ナノチューブ発熱層の積層構造を含む自動車用面状発熱体。好ましくは、炭素ナノチューブ発熱層に電気的に連結され、電源を印加したときに前記炭素ナノチューブ発熱層の発熱を誘導する電極層をさらに含む、請求項１に記載の自動車用面状発熱体。【選択図】図１
Patent JP-2016513896-A (JP)
Title: 逐次干渉除去（ｓｉｃ）をサポートするための前方誤り訂正（ｆｅｃ）
IPC: H03M13/29
Filed: 2014-03-05
Abstract: 独立して復号可能なリソースブロックを生成する前方誤り訂正（FEC）技術は、逐次干渉除去（SIC）復調に有益である。独立して復号可能なリソースブロックを生成するための１つのFEC技術は、実質的にFECコードブロックの全てのビットが単一のリソースブロック内で搬送されるように、ローカルに復号可能なFECコードブロックを一意のリソースブロックにマッピングするステップを含む。ローカルに復号可能なFECコードブロックは、異なるFEC符号化モジュールから、または共通のFEC符号化モジュールから生成されることができる。独立して復号可能なリソースブロックを生成するための別の技術は、情報ビットのストリームを、内側ピアリングパリティビットを高い比率で有する低密度パリティ検査（LDPC）コードブロックに符号化するステップを含む。内側ピアリングパリティビットのこれらの高い比率は、各LDPCコードブロックの実質的な部分が他のLDPCコードブロックによって搬送される情報から独立して復号されることを可能にする。
Patent JP-2016105291-A (JP)
Title: Image processing device, image processing system and image processing method
Inventor: OKA MASAAKI
IPC: G06T1/00
Filed: 2016-01-04
Abstract: PROBLEM TO BE SOLVED: To easily visualize layered image information as a three-dimensional object.SOLUTION: A sensor output data acquisition unit 42 of an image data generation unit 30 of an image processor 20 acquires data of layered image information from a sensor group 12. A slice image generation unit 44 generates data of a two-dimensional image for each slice plane where a distribution is acquired. An image axis conversion unit 50 generates the same data of a two-dimensional image with respect to a plurality of planes vertical to an axis different from a sensor axis. A slice image management unit 52 of a display processing unit 32 manages a slice image used in drawing in accordance with a view point position or the like. A drawing memory 56 sequentially stores data of an image necessary for drawing. An additional object image storage unit 58 stores image data of an object additionally displayed such as a cursor. An image drawing unit 54 draws a three-dimensional object using data of the slice image.SELECTED DRAWING: Figure 4
Patent JP-2016212829-A (JP)
Title: Pharmacy support device used by medical information management system and pharmacy support method used by the same device
Inventor: ISHII TAKESHI
IPC: G16H10/60
Filed: 2016-01-05
Abstract: PROBLEM TO BE SOLVED: To support a pharmacist and user in which, pieces of tangible medical information collected in a database of a server computer of a medical information management system can be quickly and properly collected in a range in which a pharmacist needs the information, without applying a load to the pharmacist, the information can be provided to the pharmacist, therefore the pharmacist can utilize dedicated ability, and can properly and easily instruct and advise to each user, in a manner in which the instruction and advice are unique to each user, based on prescription medicine information.SOLUTION: The invention is configured to: acquire a search object dose medicine search piece, from medical terms included in medical analysis items; search medical information with respect to the search object dose medicine search piece stored in the database, about user dose medicine information and medicine correspondence medical information; then, acquire medical information for a pharmacist which is obtained by performing composite processing to the searched medical information by a charge person of a pharmacy support organization; and provide the medical information to a terminal of the pharmacy from which a search request has been output.SELECTED DRAWING: Figure 3
Patent JP-2017123105-A (JP)
Title: Outgo warning apparatus and network construction method thereof
Inventor: KOTANI ISAO
IPC: G08B25/04
Filed: 2016-01-08
Abstract: PROBLEM TO BE SOLVED: To provide an outgo warning apparatus which can easily construct a communication network for a detector and an alarm with specified low-power wireless communication, without using another external information terminal, and provide a network construction method thereof.SOLUTION: An outgo warning apparatus includes at least one detector for detecting a passing human body, and at least one alarm for issuing an alarm on receipt of a result detected by the detector. Wireless communication functions of the detector and the alarm are used for pairing to construct a communication network between the detector and the alarm with specified low-power wireless communication.SELECTED DRAWING: Figure 1
Patent JP-2017124671-A (JP)
Title: Installation method of non-contact type power transmission device
Inventor: NAKAMURA TORU
IPC: H02J50/00
Filed: 2016-01-12
Abstract: PROBLEM TO BE SOLVED: To accurately install a non-contact type power transmission device for supplying power to a non-contact type power receiving device mounted on a vehicle in a vehicle stop space of the vehicle at a low cost.SOLUTION: When installing a non-contact type power transmission device 20 in a vehicle stop space SS, height adjustment pole units 200 are arranged on a plurality of wheel grounding faces in the vehicle stop space SS, the non-contact type power transmission device 20 is arranged in the vehicle stop space SS, a laser radiator 300 is arranged on the non-contact type power transmission device 20, a laser is radiated to each of poles 202 of the height adjustment pole units 200 from the laser radiator 300, and a spacer 400 or the like is arranged at least at either of an upper part of the plurality of the wheel grounding faces and a lower part of the non-contact type power transmission device 20 according to a displacement amount between a radiation position of the laser in each pole 202 and a reference laser radiation position which is defined at the pole.SELECTED DRAWING: Figure 6
Patent JP-2016130736-A (JP)
Title: Method for manufacturing pressure-sensitive sensor
Inventor: NAGATA KAZUYA
IPC: G01L5/00
Filed: 2016-01-12
Abstract: PROBLEM TO BE SOLVED: To enhance detection accuracy of a pressure-sensitive sensor.SOLUTION: A photosensitive resist is deposited on a sheet substrate where a metal thin film is formed (S1), and a circuit pattern is disposed thereon (S2). After the photosensitive resist is exposed by using the circuit pattern as a mask (S3), the circuit pattern is removed (S4), and an exposed part or an unexposed part of the photosensitive resist is removed (S5). The exposed region of the metal thin film is removed by using the remaining photosensitive resist as a mask (S6) to form an electrode (S7). Then the remaining photoresist is removed (S7).SELECTED DRAWING: Figure 3
Patent JP-2017125910-A (JP)
Title: Musical performance supporting device and method
Inventor: IKEGAMI TOSHIYA
IPC: G10H1/00
Filed: 2016-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a musical performance supporting device and method that make possible more effective practices by increasing the number of repeats of passages difficult to play.SOLUTION: A CPU divides original data to set object sections, sets candidates for weight point WP, and sets the execution stage (turn) of performance guide in each object section to acquire performance data DT. The CPU executes execution stages in their due sequence, determines the weight point WP to be actually used in the current turn on the basis of a turn value, and executes weighting at the determined weight point WP. The CPU, in determining one or more wait timings to be actually used in each execution stage, if there is an execution stage to be executed immediately before, determines the wait timing to be actually used within an extent not greater than the number of wait timings determined at the execution stage to be executed immediately before.SELECTED DRAWING: Figure 2
Patent JP-2017124426-A (JP)
Title: JOINT BODY OF Cu-BASES BASE MATERIAL WITH Zn-Al BASES ALLOY JOINTED BY CLAD MATERIAL
Inventor: IZEKI TAKASHI
IPC: B23K35/22
Filed: 2016-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a joint body of a semiconductor element with a substrate jointed by a clad material having a high joint strength and excellent in stress relaxation property, and in thermal conductivity.SOLUTION: A joint body, comprising a semiconductor chip 1 jointed with a substrate 3 by a clad material 2, keeps the face on the semiconductor chip 1 side narrower than the face on the clad material 2 side on both faces where the semiconductor chip 1 and the clad material 2 face each other, and the clad material 2 has a Pb-free-Zn-Al based alloy solder layer 22 on a face of a tabular Cu-based base material 21 to face at least the semiconductor chip 1. The Zn-Al based alloy solder layer 22 preferably contains Al by 0.9 mass% or more and 9.0 mass% or less, and more preferably contains one kind or more of Ag, Cu,Ge, Mg, Sn, and P in a predetermined amount.SELECTED DRAWING: Figure 1
Patent JP-2017128040-A (JP)
Title: Printing device and printing method
Inventor: ONISHI MASARU
IPC: B41J2/01
Filed: 2016-01-20
Abstract: PROBLEM TO BE SOLVED: To more properly perform high-quality printing by more properly suppressing ink bleeding.SOLUTION: A printing device 10 performing ink jet printing to a medium 50 includes: an ink jet head 102; an infrared ray light source 104; and an ultraviolet ray light source 106. The ink jet head 102 makes ink adhere to a surface of the medium 50 by discharging ink droplets of ink containing an ultraviolet curable resin, infrared absorbent and solvent. The infrared ray light source 104 removes at least a portion of the solvent contained in the ink by volatilization by irradiating the ink adhering to the surface of the medium 50 with the infrared ray. The ultraviolet ray light source 106 cures the ultraviolet curable resin contained in the ink by emitting the ultraviolet ray to the ink after the volatilization removal of at least a portion of the solvent by the infrared ray light source 104.SELECTED DRAWING: Figure 1
Patent JP-2017134140-A (JP)
Title: Cylindrical panel and cylindrical panel assembly method
Inventor: YAMASHITA AKIYUKI
IPC: G09F7/18
Filed: 2016-01-26
Abstract: PROBLEM TO BE SOLVED: To easily and quickly assemble and set a plurality of sprit panels at an installation site by minimum workers.SOLUTION: A cylindrical panel assembly method includes a plurality of split panel. One end portion of one of the split panels and the other end portion of another one of the split panels are joined to form a cylindrical panel. Therefore, a magnet is provided in the one end portion of the one of the split panels, and the one end portion of the one of the split panels is magnetically attracted to the other end portion of another one of the split panels.SELECTED DRAWING: Figure 4
Patent JP-2016129344-A (JP)
Title: Display device and imaging apparatus
Inventor: JINBO NAOKI
IPC: H04N5/351
Filed: 2016-01-27
Abstract: PROBLEM TO BE SOLVED: To provide a display device and an imaging device for changing a pixel area for acquiring area data depending on change in a subject.SOLUTION: A camera 100 comprises: subject specifying means that specifies a subject in an image on the basis of output data from an image sensor 103; area data acquisition means that acquires, as area data, data output from a partial pixel area including the subject specified by the subject specifying means among the whole pixel area of the image sensor; display control means that displays an image of the area data acquired by the area data acquisition means in an enlarged manner; and change means that changes a set position of the partial pixel area for acquiring the area data depending on change in the subject between frames.SELECTED DRAWING: Figure 1
Patent JP-2017041624-A (JP)
Title: Method of producing r-t-b-based rare earth magnet powder, r-t-b-based rare earth magnet powder, and bonded magnet
Inventor: KANEKO SHOHEI
IPC: B22F9/04
Filed: 2016-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a method of producing R-T-B-based rare earth magnet powder having excellent coercive force and also having high residual magnetic flux density.SOLUTION: In a method of producing R-T-B-based rare earth magnet powder by HDDR (Hydrogenation-Decomposition-Desorption-Recombination) treatment, a raw material alloy for the R-T-B-based rare earth magnet powder comprises R (R: one or more rare earth elements including Y), T (T: Fe, or Fe and Co) and B (B: boron), and has a composition comprising R in an amount of 12.0 atom% or more and 17.0 atom% or less, and B in an amount of 4.5 atom% or more and 7.5 atom% or less; a DR step in the HDDR treatment includes a preliminary evacuation step and a complete evacuation step; and a rate of pressure reduction caused by evacuation in the preliminary evacuation step is set to 1 kPa/min or more and 30 kPa/min or less to produce the R-T-B-based rare earth magnet powder.SELECTED DRAWING: None
Patent JP-2017133617-A (JP)
Title: Power transmission device
Inventor: KAYAMA TAKASHI
IPC: F16D43/18
Filed: 2016-01-28
Abstract: PROBLEM TO BE SOLVED: To transmit a rotation drive force from wheels (drive wheels) to an engine and prevent overspeed of the engine due to miss-shifting.SOLUTION: A power transmission device 60 is provided on an input shaft 3 of a manual transmission 100, transmits and blocks a rotation drive force, and includes an engine-side rotor 61, a drive-wheel-side rotor 62, a one-way clutch 63, and a centrifugal clutch 64. The engine-side rotor is a first member that constitutes the input shaft and is connected to an engine. The drive-wheel-side rotor is a second member that constitutes the input shaft, is connected to drive wheels, and is rotatable relative to the engine-side rotor. The centrifugal clutch is provided in parallel with the one-way clutch, causes the engine-side rotor to engage the drive-wheel-side rotor to transmit the rotation drive force when a rotation speed of the drive-wheel-side rotor is lower than a predetermined speed, and causes the engine-side rotor to be disengaged from the drive-wheel-side rotor to block the rotation drive force when the rotation speed of the drive-wheel-side rotor is the predetermined speed or higher.SELECTED DRAWING: Figure 3
Patent JP-2017131485-A (JP)
Title: Game machine
Inventor: KAMIMURA KAZUHISA
IPC: A63F7/02
Filed: 2016-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of enhancing game interest by enhancing interest in opening of a variable ball entry part.SOLUTION: A game machine includes: an operation ball entry part 110 in which game balls can enter; a variable winning part 125 which eases entry of game balls flowing down a game area by a winning port opening/closing member 126 performing opening operation as game balls contact; and a variable start part 130 which eases entry of game balls flowing down the game area by a start port opening/closing member 131 performing opening operation as game balls contact. With ball entry into the variable start part 130, a start condition is satisfied. With ball entry into the variable winning part 125, a probability variable state shifts to a non-probability variable state. By game balls entering the operation ball entry part 110, opening/closing members 126, 131 of either the variable winning part 125 or the variable start part 130 performs opening operation, and frequency by which the variable winning part 125 and the variable start part 130 perform opening operation by game balls entering the operation ball entry part 110 is differed according to a game state.SELECTED DRAWING: Figure 3
Patent JP-2017133450-A (JP)
Title: pump
Inventor: WATANABE HIROSUKE
IPC: F04D29/22
Filed: 2016-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a pump that has an enhanced degree of freedom of arrangement of impeller in a rotation shaft direction.SOLUTION: The pump includes: a rotation shaft 212; the impellers 113a, 113b fixed to the rotation shaft 212; and a ring-like spacer 210 for fixing the impellers 113a, 113b to the rotation shaft 212. The spacer 210 is configured to be splittable into two components 210a, 210b in a radial direction of the rotation shaft 212.SELECTED DRAWING: Figure 2
Patent JP-2016135740-A (JP)
Title: Ta2O5 SPUTTERING TARGET AND METHOD FOR PRODUCING THE SAME
Inventor: NARITA SATOYASU
IPC: C04B35/00
Filed: 2016-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a sintering method capable of solving the phenomena that, when the temperature of a hot press is made low, density cannot be increased, and reversely, when its temperature is increased, the fracture of a member and the crack of Ta2O5 itself are generated, and further, improving the sintered compact density of the Ta2O5.SOLUTION: Provided is a method for producing a TaOsintered compact where, as sintering raw material, using Ta2O5 obtained by annealing orthorhombic Ta2O5 powder with a purity of 99.99% at 1,500 to 1,750°C so as to be any one or more kinds among a tetragonal phase, a monoclinic phase and a triclinic phase, high temperature sintering is made possible to improve its density, and further, the rapid cubical expansion by the phase transformation of Ta2O5 upon high temperature sintering is prevented, and the fracture of a press machine or the crack of the Ta2O5 is suppressed. Also provided is a method for producing a TaOsintered compact where density is controlled to 8.5 g/cmor higher.SELECTED DRAWING: Figure 1
Patent JP-2016144448-A (JP)
Title: Sustained release of nutrients in vivo
Inventor: FREDERICK A SEXTON
IPC: A23L29/262
Filed: 2016-02-05
Abstract: PROBLEM TO BE SOLVED: To sustainedly release a composition in vivo for increasing performance of athletes, by providing appropriately timed release and increased absorption of nutrients.SOLUTION: An aqueous suspension contains: (a) one or more biological active ingredients; and (b) one or more hydrogel particles in which (a) the biological active ingredients are encapsulated. The one or more hydrogel particles (i) have a diameter of 1 nm to 1000 μm; (ii) contain one or more compounds which have no toxicity, are covalently crosslinked, are time controlled in vivo, are in a sustained manner, and release the one or more encapsulated biological active ingredients; (iii) are pH responsiveness while the one or more compounds in the hydrogel particles do not swell at pH 1 to 3; and are temperature responsiveness while the one or more compounds in the hydrogel particles have a lower limit critical solution temperature in a solution.SELECTED DRAWING: Figure 1
Patent JP-2017141376-A (JP)
Title: Resin particle composition
Inventor: TAKEUCHI SAKAE
IPC: C08K9/04
Filed: 2016-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a resin particle composition which suppresses sticking of the resin particle composition into a pipe.SOLUTION: A resin particle composition contains resin particles, inorganic particles surface treated with oil, and silica particles having a degree of compression aggregation of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.SELECTED DRAWING: None
Patent JP-2017145553-A (JP)
Title: Construction electric shutter apparatus
Inventor: KISHIMOTO KEISUKE
IPC: E06B9/84
Filed: 2016-02-15
Abstract: PROBLEM TO BE SOLVED: To provide an electric shutter apparatus, which detects an obstacle using one obstacle detection sensor for fully open and close area of a shutter curtain and can actuate obstacle detection depending on a position of the obstacle during moving up and down.SOLUTION: A construction electric shutter apparatus detects moving up or down in a fully moving up or down area of a shutter curtain 3 using one laser scan sensor 8, and has means, which partitions an obstacle detection area into an upper area U and a lower area D, on a control part 6.SELECTED DRAWING: Figure 1
Patent JP-2017147591-A (JP)
Title: Phase shift circuit, phased array device and phase control method
Inventor: SOGA IKUO
IPC: H03H11/16
Filed: 2016-02-17
Abstract: PROBLEM TO BE SOLVED: To reduce error of output phase.SOLUTION: A signal generation circuit 2 receives an input signal IN, and outputs four signals having a phase different of 90 degrees, on the basis of the input signal IN. Variable amplifier circuits 3a-3d include transistors and amplify the four signals, respectively, with amplification factors based on control voltages Vg1-Vg4 supplied to gates of the transistors. A synthesis circuit 4 synthesizes output signals from the variable amplifier circuits 3a-3d and outputs the synthesized output signals. A control circuit 5 receives a phase shift amount θ indicating the amount of phase of the input signal IN to be shifted, and supplies a control voltage equal to or higher than a gate threshold of the transistor to a first variable amplifier circuit for amplifying the first signal and a second variable amplifier circuit for amplifying the second signal, out of the variable amplifier circuits 3a-3d so that the differential value of amplitude after amplification of the first signal and a second signal having a phase difference of 180 degrees for the first signal, corresponds to an amplitude value for obtaining the phase shift amount θ.SELECTED DRAWING: Figure 1