220820 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
Sub-classes:ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER
#2MULTIPLEXER
#3MULTIPLEXER
#4ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN
#5MULTI-BAND ACOUSTIC MULTIPLEXER FILTER CIRCUIT
#6FILTER CIRCUITRY WITH HIGH HARMONIC SUPPRESSION
#7ANALOG STORAGE USING MEMORY DEVICE
#8MULTIPLEXER
#9MULTIPLEXER WITH ACOUSTIC ASSISTED TRAP CIRCUIT
#10ACOUSTIC WAVE DEVICE AND MULTIPLEXER
#11FILTER DEVICE AND MULTIPLEXER
#12COMPOSITE FILTER DEVICE
#13SWITCHABLE ACOUSTIC FILTER TOPOLOGIES WITH IMPROVED PERFORMANCE
#14FILTER MODULE WITH IMPROVED LINEARITY RESPONSE
#15ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER
#16ACOUSTIC WAVE FILTER INCLUDING TWO TYPES OF ACOUSTIC WAVE RESONATORS
#17CONSOLIDATED ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN
#18ACOUSTIC TRANSFORMER IN TRANSMISSION CHAIN
#19ACOUSTIC WAVE FILTER
#20ACOUSTIC WAVE FILTER AND MULTIPLEXER
#21FILTER DEVICE
#22PROGRAMMABLE ACOUSTIC FILTER CIRCUIT
#23Bridge-type filters
#24Bridge-type filters
#25HIGH-FREQUENCY MODULE, FILTER DEVICE, AND COMMUNICATION DEVICE
#26FILTER AND MULTIPLEXER
#27A TUNABLE RESONATOR
#28TUNING MULTIPLEXER FILTERS
#29FILTER MODULE FOR MULTIPLE CARRIER AGGREGATION WITH GROUND TRACE
#30ACOUSTIC WAVE FILTER AND MULTIPLEXER
#31Acoustic wave filter, high frequency module, and multiplexer
#32Electronic component
#33FILTER DEVICE, MULTIPLEXER, HIGH FREQUENCY FRONT END CIRCUIT, AND COMMUNICATION APPARATUS
#34Multiplexer with acoustic assisted trap circuit
#35Multiplexer with acoustic wave filters and trap circuit
#36Filter and multiplexer
#37MULTIPLEXER
#38Ladder-type filter and multiplexer
#39Elastic wave device, elastic waves filter, duplexer, and module
#40Multiplexer, front-end module, and communication device
#41Acoustic wave filter including two types of acoustic wave resonators
#42Radio frequency module
#43Acoustic wave device, band pass filter, duplexer, and multiplexer
#44Elastic wave device
#45Filter device
#46Acoustic wave device, duplexer, and filter device
#47Filter device
#48Monolithic die with acoustic wave resonators and active circuitry
#49Multiplexer
#50Multiplexer
#51Multiplexer
#52Multiplexer, radio-frequency front-end circuit, communication apparatus, and elastic wave filter
#53Multiplexer
#54Filter and multiplexer
#55BAND-PASS FILTERING CIRCUIT AND MULTIPLEXER
#56Multiplexer, radio-frequency module, and communication device
#57MULTIPLEXER
#58Radio frequency circuit, multiplexer, radio frequency front end circuit and communication apparatus
#59Multiplexer, high-frequency front-end circuit, and communication device
#60Acoustic wave filter including two types of acoustic wave resonators
#61Multiplexer and high-frequency filter
#62Hybrid filter device and multiplexer
#63Filter device, multiplexer, radio frequency front-end circuit, and communication device
#64Acoustic wave filter device and composite filter device
#65Multiplexer, radio frequency circuit, and communication device
#66High-pass filter and multiplexer
#67ELECTRO-ACOUSTIC RF FILTER WITH INCREASED FLANK STEEPNESS, MULTIPLEXER AND METHOD OF DESIGNING AN ELECTRO-ACOUSTIC RF FILTER
#68Multiplexer, radio-frequency front-end circuit, and communication device
#69Filter device and radio frequency module
#70Multiplexer, high-frequency front end circuit, and communication device
#71Duplexer and front-end circuit
#72Multiplexer and communication apparatus
#73Elastic wave device
#74Acoustic wave device, duplexer, and filter device
#75Multiplexer
#76Radio-frequency module
#77ELECTROACOUSTIC FILTER WITH REDUCED PLATE MODES
#78Radio frequency front-end circuit and communication device
#79Composite electronic component
#80Acoustically coupled resonator notch and bandpass filters
#81System and method for a radio frequency filter
#82System and method for a radio frequency filter
#83System and method for a radio frequency filter
#84Acoustically coupled resonator notch and bandpass filters
#85Acoustically coupled resonator notch and bandpass filters
#86System and method for a radio frequency filter
#87Tunable resonator element, filter circuit and method
#88System and method for a radio frequency filter
#89Tunable resonator element, filter circuit and method
#90Duplexer and front-end circuit
#91High-frequency filter, multiplexer, high-frequency front-end circuit, and communication device
#92Piezoelectric thin film resonator, filter, and multiplexer
#93Elastic wave device
#94Bidirectional coupler, monitor circuit, and front end circuit
#95Piezoelectric thin film resonator, filter, and multiplexer
#96Multiplexer
#97Acoustic wave filter including two types of acoustic wave resonators
#98Filter arrangement with compensation of poor electrical ground
#99Radio-frequency module
#100Radio-frequency front-end circuit and communication device
#101Acoustic wave device
#102Radio frequency filter, high selectivity triplexer, and communications device
#103Piezoelectric thin film resonator, filter, and multiplexer
#104Elastic wave filter device
#105Acoustic filters integrated into single die
#106Filter device
#107Method for producing a batch of acoustic wave filters
#108Duplexer
#109Acoustic wave resonator, filter, and duplexer
#110Branching device
#111Elastic wave device having a cut in a busbar electrode layer
#112Acoustic wave filter, duplexer, and module
#113Elastic wave device, duplexer, and multiplexer
#114Radio-frequency module and communication device
#115Band pass filter and duplexer
#116Elastic wave device with sealing structure
#117Wave separator
#118Tunable electroacoustic RF filter with improved electric properties and method for operating such a filter
#119Ladder-type elastic wave filter having series and parallel resonators
#120Branching device
#121Resonant circuit with variable frequency and impedance
#122Filter device and duplexer
#123Duplexer, filter and communication module
#124Elastic wave filter and duplexer using same
#125Apparatus and method for tuning a resonance frequency
#126High-frequency filter including matching circuit
#127Acoustic wave device
#128Piezoelectric thin film resonator, filter and duplexer
#129Filter device and duplexer including compensation circuit
#130Piezoelectric thin-film resonator, method for fabricating same, filter and duplexer having an interposed film
#131Filter device and duplexer
#132Elastic wave device with stacked piezoelectric substrates
#133Electronic circuit
#134Elastic wave filter device and duplexer
#135Electrical component
#136Power amplifier and distributed filter
#137Acoustic wave device and antenna duplexer including same
#138High-frequency filter
#139Piezoelectric thin film resonator, filter, and duplexer including a film inserted into the piezoelectric film
#140Module substrate and module
#141Filter module
#142High-frequency module having inductors disposed with directions of their polarities opposite to each other
#143Versatile communication system and method of implementation using heterogeneous integration
#144Filter arrangement and method for producing a filter arrangement
#145Filter module and duplexer module
#146Filter and duplexer
#147Filter, duplexer, and communication module
#148Composite electronic component
#149Limited Q factor tunable front end using tunable circuits and microelectromechanical system (MEMS)
#150Elastic wave filter, and duplexer and electronic device using same
#151Duplexer with balun
#152Component working with acoustic waves having reduced temperature coefficient of frequencies and method for producing same
#153Acoustic wave device
#154Apparatus having double phase-matched configuration for reducing magnitude of intermodulation products
#155Duplexer
#156Duplexer, filter and communication module
#157Component with first and second duplexers
#158Combiner comprising acoustic transducers
#159Duplexer and electronic device
#160Elastic wave filter, and duplexer and electronic device using same
#161Electrical component
#162Balanced/unbalanced filter module and communication apparatus
#163Filter device substrate and filter device
#164Deployable active radar countermeasures
#165Reconfigurable filter