Murata Manufacturing Co., Ltd. patent applications on August 8th, 2024

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Patent Applications by Murata Manufacturing Co., Ltd. on August 8th, 2024

Murata Manufacturing Co., Ltd.: 25 patent applications

Murata Manufacturing Co., Ltd. has applied for patents in the areas of H03H9/02 (5), H01G4/30 (5), H03H3/02 (4), H01G4/12 (3), H01G4/012 (3) H03H3/02 (2), H01G4/012 (2), A61B5/4277 (1), H01M10/613 (1), H03H9/171 (1)

With keywords such as: electrode, terminal, surface, including, substrate, connected, body, material, external, and direction in patent application abstracts.



Patent Applications by Murata Manufacturing Co., Ltd.

20240260889. MOISTURE MEASURING DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Tomoki TAKAHASHI of Kyoto (JP) for murata manufacturing co., ltd., Jun TAKAGI of Kyoto (JP) for murata manufacturing co., ltd., Koji TANAKA of Kyoto (JP) for murata manufacturing co., ltd.

IPC Code(s): A61B5/00, A61B5/0538

CPC Code(s): A61B5/4277



Abstract: a moisture measuring device includes a biosensor, a processing unit, a substrate, a housing, and one or more attaching members. the biosensor has a sensor surface for acquisition of biological information. the processing unit is configured to process the biological information acquired by the biosensor. the substrate has a first principal surface on which the processing unit is mounted. the housing accommodates the biosensor, the processing unit, and the substrate. the one or more attaching members are disposed on the first principal surface side of the substrate to attach the substrate to the housing. the total area of one or more overlap regions in which the one or more attaching members overlap the substrate in the first principal surface of the substrate when viewed in a direction perpendicular to the first principal surface of the substrate is smaller than a sensor area of the sensor surface of the biosensor.


20240264236. ABNORMALITY DETECTION DEVICE, ELECTRIC POWER SOURCE SYSTEM, AND ABNORMALITY DETECTION METHOD_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Jusuke SHIMURA of Kyoto (JP) for murata manufacturing co., ltd., Saori HAYASHI of Kyoyo (JP) for murata manufacturing co., ltd.

IPC Code(s): G01R31/3835, G01R31/36, G01R31/367

CPC Code(s): G01R31/3835



Abstract: an abnormality detection device is provided and includes a voltage holder, a feature calculator, a data set holder, and a degree-of-abnormality calculator. the voltage holder holds a voltage value of at least one of a maximum value or a minimum value, of a measured voltage, in every fixed time period. the feature calculator calculates a feature that has sensitivity to a voltage spike waveform by processing the voltage value held in the voltage holder. the data set holder holds a data set obtained from a normal secondary battery. the degree-of-abnormality calculator calculates, based on the data set read from the data set holder, a degree of abnormality of the feature calculated by the feature calculator.


20240264240. CHARGING DEVICE, SERVER, AND DIAGNOSTIC SYSTEM_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Asuki YANAGIHARA of Kyoto (JP) for murata manufacturing co., ltd., Koji HATTORI of Kyoto (JP) for murata manufacturing co., ltd.

IPC Code(s): G01R31/392, G01R31/367, G01R31/3835, H02J7/00

CPC Code(s): G01R31/392



Abstract: a charging device includes a charge-discharge circuit, a control device, and a communication device. the charge-discharge circuit is configured to charge and discharge the secondary battery. the control device is configured to control the charge-discharge circuit. the communication device is configured to communicate with an outside.


20240266095. RARE-EARTH MAGNET MATERIAL AND MAGNET_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Takashi YAMAZAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Satoshi OGA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kazuki SATO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kazuhiro TAKAYAMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01F1/059, H01F1/055

CPC Code(s): H01F1/059



Abstract: a rare-earth magnet material that includes: 7.0 atom % to 11.0 atom % of sm; 11.0 atom % to 19.5 atom % of n; 69.5 atom % to 82.0 atom % of fe; c; and a m-c crystal phase that includes the m and the c as main components, wherein the m is at least one element selected from zr, ti, hf, v, nb, ta, cr, mo, and w, and a content of the m in the rare-earth magnet material is 1.6 atom % to 5.0 atom %.


20240266100. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Kazuki INAGAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenichi TANI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yuuichirou YOSHIDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01F17/00, H01F27/29

CPC Code(s): H01F17/0013



Abstract: an inductor component includes an element body, a coil in the element body and helically wound along an axis, and first and second outer electrodes at the element body and electrically connected to the coil. the element body includes first and second end surfaces facing each other, first and second lateral surfaces facing each other, a bottom surface connected between the first and second end surfaces and between the first and second lateral surfaces, and a top surface facing the bottom surface. the first and second outer electrodes are provided to at least the bottom surface. the axis is parallel to the bottom surface and intersects the first and second lateral surfaces. the coil includes coil wiring layers laminated along the axis, and via wiring layers each connecting the coil wiring layers adjacent in a direction of the axis.


20240266105. TRANSFORMER ASSEMBLY INCLUDING COPPER STAMPINGS AS SECONDARY WINDINGS_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Zibran Aziz KHAN of Westborough MA (US) for murata manufacturing co., ltd.

IPC Code(s): H01F27/28, H01F27/06, H01F27/29, H01F41/04

CPC Code(s): H01F27/2847



Abstract: a transformer assembly includes a core, a primary winding, and a secondary winding with a first coil and a second coil. each of the first coil and the second coil is defined by a single stamping that includes two turns connected by a bend in the corresponding stamping and first and second terminals that are at opposite ends of the corresponding coil. each of the first and second terminals extend in a terminal-extending direction that is perpendicular or substantially perpendicular to a plane defined by one of the two turns. the first terminal of the first coil and the first terminal of the second coil extend in the terminal-extending direction adjacent to each other to define a first junction point, and the second terminal of the first coil and the second terminal of the second coil extend in the terminal-extending direction adjacent to each other to define a second junction point.


20240266109. MULTILAYER CERAMIC CAPACITOR AND MOUNTING STRUCTURE FOR MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Tomoki KITAGAWA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Tatsunori YASUDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01G2/06, H01G4/30, H05K1/11

CPC Code(s): H01G2/065



Abstract: a multilayer ceramic capacitor includes a capacitor body and an interposer. the capacitor body includes first and second external electrodes. the interposer includes an interposer body and first and second pillars. the interposer body includes an interposer-body first main surface adjacent to the capacitor body, an opposite interposer-body second main surface, and first and second through holes. the first and second pillars each include a metal with a melting point of about 230� c. or higher as a main component, provided in the respective first and second through holes, and conductively connected to the respective first and second external electrodes. the first and second pillars protrude from at least one of the interposer-body first and second main surfaces.


20240266110. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Kazuhiro NISHIBAYASHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01G4/012, H01G4/12, H01G4/248, H01G4/30

CPC Code(s): H01G4/012



Abstract: a multilayer ceramic capacitor includes first and second internal electrode layers extending in a length direction and a width direction. coverage ratios in regions r and r are higher than a coverage ratio in a region r, and/or coverage ratios in regions r and r are higher than the coverage ratio in the region r


20240266111. MULTILAYER CERAMIC CAPACITOR INCLUDING RAISED PORTIONS THICKER FROM MIDDLE PORTION TOWARDS OUTER PERIPHERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yasuyuki SHIMADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Akira TANAKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shinichi KOKAWA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01G4/012, H01G4/232, H01G4/30

CPC Code(s): H01G4/012



Abstract: a multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrodes alternately laminated therein, and two end surfaces opposing each other in a length direction, and two side surfaces opposing each other in a width direction, and two external electrodes respectively on the two end surfaces of the multilayer body. at least one of two opposed main surfaces of the multilayer ceramic capacitor includes raised portions provided respectively on one side and another side with a middle portion of the main surface interposed therebetween. the raised portions are each raised to become thicker in the lamination direction from the middle portion toward an outer periphery of the main surface.


20240266112. CHIP CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Kota ZENZAI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01G4/12, H01G4/30

CPC Code(s): H01G4/12



Abstract: a method for manufacturing a chip ceramic electronic component that includes an outer electrode including a glass-free sintered layer including no glass. a glass-free conductive paste including a nickel powder, a metal powder, such as tin, having a melting point of lower than about 500� c., and a thermosetting resin, and not including glass, is applied to cover a portion of a surface of a ceramic body. the ceramic body to which the glass-free conductive paste has been applied is subjected to a heat treatment at a temperature higher than or equal to a temperature about 400� c. higher than the curing temperature of the thermosetting resin. the thermosetting resin is thermally decomposed or burned such that little or none remains, and the nickel powder and metal powder having a melting point of lower than about 500� c. are sintered to form a unified sintered metal body.


20240266118. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yukie WATANABE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01G4/30, H01G4/008, H01G4/012, H01G4/12, H01G4/224

CPC Code(s): H01G4/30



Abstract: a multilayer ceramic capacitor includes a multilayer body including dielectric ceramic layers and internal electrode layers laminated alternately in a lamination direction, and a pair of external electrodes on both end portions in the length direction of the multilayer body and respectively connected to the internal electrode layers. the pair of external electrodes each include a base region covering at least each of the first and second end surfaces and connected to the internal electrode layers, and a cover region on the base region to cover the base region. the cover region includes maximum thickness portions each including a maximum thickness in the cover region, in a region corresponding to the ranges of about �10 �m in the lamination direction centered around internal electrode layers at both outermost ends in the lamination direction among the internal electrode layers.


20240266240. MODULE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Akio KATSUBE of Nagaokakyo-shi, Kyoto-fu (JP) for murata manufacturing co., ltd., Hideki SHINKAI of Nagaokakyo-shi, Kyoto-fu (JP) for murata manufacturing co., ltd.

IPC Code(s): H01L23/31, H01L21/56, H01L23/00, H01L23/544, H01L23/552, H01L25/065, H01L25/16, H03H3/02, H03H3/08, H03H9/02, H03H9/05, H03H9/08, H03H9/10

CPC Code(s): H01L23/3185



Abstract: a module includes a substrate, a first component, and a sealing resin. the substrate is provided with a first surface. the first component is mounted on the first surface. the first component is sealed with the sealing resin at least from a lateral side. the first component includes a projecting portion. the projecting portion projects from the sealing resin on a side opposite to a side of the substrate.


20240266543. CARBON MATERIAL, ELECTRODE INCLUDING CARBON MATERIAL, SECONDARY BATTERY, AND METHOD OF PRODUCING CARBON MATERIAL_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yuji KINTAKA of Nagaokakyo-Shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H01M4/62, H01M4/13

CPC Code(s): H01M4/625



Abstract: provided are a carbon material, an electrode including the carbon material, a secondary battery, and a method of producing the carbon material. the carbon material includes fibrous carbon; a covering material that covers portions of the fibrous carbon such that the fibrous carbon has an exposed portion in which a part of the fibrous carbon is exposed from the covering material.


20240266602. LITHIUM POLYMER BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Koji HATTORI of Kyoto (JP) for murata manufacturing co., ltd., Shuichi NAGAOKA of Kyoto (JP) for murata manufacturing co., ltd., Kenji OSHIMA of Kyoto (JP) for murata manufacturing co., ltd.

IPC Code(s): H01M10/0565, H01M4/134, H01M50/105, H01M50/46, H01M50/534, H01M50/536

CPC Code(s): H01M10/0565



Abstract: a lithium polymer battery is provided. the lithium polymer battery includes a laminate film as an exterior material including a metal foil. the lithium polymer battery further includes a first electrode including the metal foil and a first electrode active material layer provided on the metal foil; a second electrode including a second electrode current collector and a second electrode active material layer provided on the second electrode current collector, and a polymer electrolyte provided at an interface between the metal foil and the first electrode active material layer.


20240266628. BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Etsuko HONDA of Kyoto (JP) for murata manufacturing co., ltd., Yuta NIKAIDO of Kyoto (JP) for murata manufacturing co., ltd.

IPC Code(s): H01M10/613, H01M10/643, H01M10/653, H01M50/213, H01M50/514, H01M50/533

CPC Code(s): H01M10/613



Abstract: a battery pack is provided according to an aspect of the present technology and includes a plurality of secondary batteries, a tab that electrically connects the plurality of secondary batteries, and a heat absorbing member in which a heat absorbing agent is encapsulated in an insulating container. the heat absorbing member is provided between the secondary battery and the tab and in at least a part of a peripheral region of a connection portion between the secondary battery and the tab.


20240266678. SECONDARY BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Shuichi NAGAOKA of Kyoto (JP) for murata manufacturing co., ltd.

IPC Code(s): H01M50/477, H01M50/119, H01M50/474, H01M50/486

CPC Code(s): H01M50/477



Abstract: a secondary battery includes an electrode assembly formed by stacking at least one electrode constituting layer including a positive electrode, a negative electrode, and a separator, and an exterior body covering the electrode assembly. in the secondary battery, a current collector extending from the positive electrode and/or the negative electrode of the electrode assembly protrudes as an electrode lead from the exterior body, the entire one main surface of a protruding portion of the current collector protruding from the exterior body is covered with a resin member, and at least a part of the current collector is sandwiched by the resin member inside the exterior body.


20240266947. TWO-PHASE DUAL-ACTIVE-BRIDGE DC-DC CONVERTER WITH WIDE INPUT RANGE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Wei SONG of Westborough MA (US) for murata manufacturing co., ltd.

IPC Code(s): H02M1/32, H02M3/335

CPC Code(s): H02M1/32



Abstract: a two-phase dual-active-bridge (dab) converter includes a first phase arranged as a first dab converter, including a first transformer with a first primary winding, and including a first primary circuit connected to the first primary winding; a second phase connected in parallel with the first phase, arranged as a second dab converter, including a second transformer with a second primary winding, and including a second primary circuit connected to the second primary winding; and a bi-directional switch connected between the first and second primary windings. in a first input voltage range, the bi-directional switch disconnects the first and the second primary windings, and the second primary circuit is operated with a phase shift with respect to the first primary circuit; and in a second input voltage range, the bi-directional switch connects the first and the second primary windings in series, and the first and the second primary circuits are operated as a single dab converter.


20240267003. TRACKER MODULE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Tomohide ARAMATA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takeshi KOGURE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Toshiki MATSUI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yuuki FUKUDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03F1/02, H02M3/07, H03F3/24

CPC Code(s): H03F1/02



Abstract: a tracker module is provided that includes an integrated circuit on or in a module laminate; and a plurality of external connection terminals including first to third external connection terminals. the integrated circuit includes a switch included in a switched-capacitor circuit that generates, based on an input voltage, a plurality of discrete voltages; a switch included in a supply modulator that selectively outputs, based on a first envelope signal, at least one of the plurality of discrete voltages to the first external connection terminal; and a switch included in a supply modulator that selectively outputs, based on a second envelope signal, at least one of the plurality of discrete voltages to the second external connection terminal. the third external connection terminal can be grounded and receives none of the discrete voltages. moreover, the third external connection terminal is disposed between the first and second external connection terminals in a plan view.


20240267007. CLASS D AMPLIFICATION CIRCUIT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Ryota KARAYA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03F3/217, H04R3/04

CPC Code(s): H03F3/217



Abstract: a class d amplification circuit includes a low-pass filter circuit including an inductor, first and second capacitors, an input terminal, a first potential terminal, a second potential terminal, and an output terminal. the input terminal is connected to a drive circuit. the first potential terminal is connected to a first potential. the second potential terminal is connected to a second potential that is lower than the first potential. the output terminal is connected to a load circuit. one external electrode of the first capacitor is connected to the first potential terminal. one external electrode of the second capacitor is connected to the second potential terminal. another external electrode of the first capacitor and another external electrode of the second capacitor are connected to the output terminal. one external electrode of the inductor is connected to the input terminal. another external electrode of the inductor is connected to the output terminal.


20240267012. POWER AMPLIFIER CIRCUIT AND COMMUNICATION DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Makoto ITOU of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yuri HONDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03F3/24, H03F1/08, H04B1/04

CPC Code(s): H03F3/245



Abstract: a power amplifier circuit includes a power supply terminal and an amplifier transistor that has a base terminal, a collector terminal connected to the power supply terminal, and an emitter terminal and that performs power amplification of a radio-frequency input signal input through the base terminal to output a radio-frequency signal subjected to the power amplification from the collector terminal. the amplifier transistor receives first bias current via the base terminal assuming a first power supply voltage is applied to the power supply terminal and receives second bias current smaller than the first bias current via the base terminal assuming a second power supply voltage higher than the first power supply voltage is applied to the power supply terminal.


20240267016. METHOD FOR MANUFACTURING ACOUSTIC WAVE ELEMENT AND ACOUSTIC WAVE ELEMENT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Takashi YAMANE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kazunori INOUE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shinya JONOSONO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Naohiro NODAKE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shintaro KUBO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03H3/02, B23K26/38, B23K101/36, H03H9/02

CPC Code(s): H03H3/02



Abstract: a method for manufacturing an acoustic wave element including a support substrate, a piezoelectric material layer on the support substrate, and a functional electrode on the piezoelectric material layer, includes preparing a wafer in which the support substrate and the piezoelectric material layer are laminated, thinning the support substrate of the wafer, and after the thinning the support substrate, cutting the wafer with a dicing machine to singulate the acoustic wave element.


20240267017. MANUFACTURING METHOD FOR ACOUSTIC WAVE ELEMENT AND ACOUSTIC WAVE ELEMENT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Shinya JONOSONO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03H3/02, H01L21/683, H03H9/02

CPC Code(s): H03H3/02



Abstract: a manufacturing method for an acoustic wave element including a support substrate, a piezoelectric material layer on the support substrate, and a functional electrode on the piezoelectric material layer, the support substrate including a hollow portion at a position overlapping a portion of the functional electrode in a lamination direction of the support substrate and the piezoelectric material layer. the manufacturing method includes preparing a wafer, attaching the wafer to a dicing tape, dicing the wafer to singulate the acoustic wave element, and butting at least one pin against the acoustic wave element with the dicing tape interposed therebetween, to separate the acoustic wave element from the dicing tape and pick up the acoustic wave element. a position at which the at least one pin is butted against the acoustic wave element is located at a position different from the hollow portion in the lamination direction.


20240267021. ACOUSTIC WAVE DEVICE AND METHOD OF MANUFACTURING ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Takashi YAMANE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Hisashi YAMAZAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H03H9/10, H03H3/02, H03H9/02, H03H9/05, H03H9/17

CPC Code(s): H03H9/105



Abstract: an acoustic wave device includes a first substrate, a piezoelectric layer including first and second main surfaces facing a thickness direction of the first substrate, the first main surface facing the first substrate, a functional electrode on at least one of the first or second main surfaces, a second substrate including a third main surface and a fourth main surface facing the thickness direction and a through-hole penetrating from the third main surface to the fourth main surface, the third main surface facing the second main surface of the piezoelectric layer, a via electrode in the through-hole, a wiring layer between the piezoelectric layer and the second substrate and electrically connecting the functional electrode and the via electrode, and an etching stop layer between the via electrode and the wiring layer and including a metal material with an etching rate lower than that of the second substrate.


20240267023. TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH SYMMETRIC LAYOUT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Ventsislav Yantchev of Sofia (BG) for murata manufacturing co., ltd.

IPC Code(s): H03H9/17, H03H9/02, H03H9/13, H03H9/54

CPC Code(s): H03H9/171



Abstract: there are disclosed acoustic resonators and radio frequency filter devices. a back surface of a single-crystal piezoelectric plate is attached to a surface of a substrate except for portions of the piezoelectric plate forming a plurality of diaphragms, each of which spans a respective cavity in the substrate. a conductor pattern is formed on the front surface, the conductor pattern including interdigital transducers (idts) of one or more pairs of sub-resonators, each pair consisting of two sub-resonators. the idt of each sub-resonator includes interleaved fingers disposed on a respective diaphragm. the piezoelectric plate and the idts are configured such that respective radio frequency signals applied to each idt excite respective shear primary acoustic modes in the respective diaphragms. the two sub-resonators of each pair of sub-resonators are positioned symmetrically about a central axis.


20240267063. RADIO-FREQUENCY CIRCUIT AND COMMUNICATION DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Atsushi ONO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Satoshi TANAKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Hirotsugu MORI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.

IPC Code(s): H04B1/00, H04B1/04, H04W76/16

CPC Code(s): H04B1/0067



Abstract: a radio-frequency circuit is used in simultaneous transfer of a radio-frequency signal of 4g and a radio-frequency signal of 5g, and includes a first transfer circuit that selectively receives the 4g radio-frequency signal or the 5g radio-frequency signal, and transfers a radio-frequency signal of a first communication band including a first transmission band and a first reception band and a radio-frequency signal of a second communication band including a second transmission band and a second reception band. the first and second transmission bands at least partially overlap. the first transfer circuit includes a first power amplifier that amplifies transmission signals of the first and second communication bands, and a first transmission filter that has a first passband including the first and second transmission bands, and passes the transmission signals of the first and second communication bands output from the first power amplifier.


Murata Manufacturing Co., Ltd. patent applications on August 8th, 2024