H03H

Technology

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Description

IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing G01R; arrangements for producing a reverberation or echo sound G10K 15/08; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, H01P; control of amplification, e.g. bandwidth control of amplifiers, H03G; tuning resonant circuits, e.g. tuning coupled resonant circuits, H03J; networks for modifying the frequency characteristics of communication systems H04B)

Subclasses

SubclassTitle
1/00 Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00)
1/02 Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00) RC networks, e.g. filters (structural combinations of capacitors with other electric elements H01G)
2/00 Networks using elements or techniques not provided for in groups H03H 3/00-H03H 21/00
3/00 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
3/007 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
3/013 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for obtaining desired frequency or temperature coefficient (H03H 3/04, H03H 3/1 take precedence)
3/02 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H 3/08 takes precedence)
3/04 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H 3/08 takes precedence) for obtaining desired frequency or temperature coefficient
3/06 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of magnetostrictive resonators or networks
3/08 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
3/10 Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient
5/00 One-port networks comprising only passive electrical elements as network components
5/02 One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
5/10 One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements comprising at least one element with prescribed temperature coefficient
5/12 One-port networks comprising only passive electrical elements as network components with at least one voltage- or current-dependent element
7/00 Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4)
7/01 Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks
7/03 Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks comprising means for compensation of loss
7/06 Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks including resistors (H03H 7/075, H03H 7/09, H03H 7/12, H03H 7/13 take precedence)
7/065 Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks including resistors (H03H 7/075, H03H 7/09, H03H 7/12, H03H 7/13 take precedence) Parallel T-filters

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Recent Patents

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0125,587 FILTERING FOR CO-SENSOR FUSION IN ATOMIC SENSORSSep 30, 22Apr 18, 24Not available
2024/0125,599 FUSED QUARTZ DUAL SHELL RESONATOR AND METHOD OF FABRICATIONJul 06, 23Apr 18, 24The Regents of the University of California
2024/0124,968 PIEZOELECTRIC BULK LAYERS WITH TILTED C-AXIS ORIENTATION AND METHODS FOR MAKING THE SAMEDec 20, 23Apr 18, 24Not available
2024/0128,625 DEVICE AND METHOD FOR VARIABLE SIGNAL ATTENUATION IN WIRELESS COMMUNICATION SYSTEMOct 16, 20Apr 18, 24Not available
2024/0128,861 ELECTROMAGNETIC COMPATIBILITY FILTER ARRANGEMENT, ELECTRIC CONVERTER SYSTEM, AND METHOD OF MANUFACTURE OF ELECTROMAGNETIC COMPATIBILITY FILTER ARRANGEMENT FOR CONNECTING TO OUTPUT TERMINALS OF ELECTRIC CONVERTEROct 16, 23Apr 18, 24Not available
2024/0128,942 PIEZOELECTRIC TRANSDUCER PREPARATION METHOD AND PIEZOELECTRIC TRANSDUCERMay 31, 21Apr 18, 24Not available
2024/0128,943 BRANCHING FILTEROct 11, 23Apr 18, 24501 TDK Corporation
2024/0128,944 MULTILAYER ELECTRONIC COMPONENTOct 11, 23Apr 18, 24501 TDK Corporation
2024/0128,945 Adaptive Tuning Networks with Direct Mapped Multiple Channel Filter TuningOct 23, 23Apr 18, 24Not available
2024/0128,946 DIRECTIONAL COUPLER, HIGH-FREQUENCY MODULE, AND COMMUNICATION DEVICEOct 06, 23Apr 18, 24Not available
2024/0128,947 IN-PHASE NOISE SUPPRESSION DEVICEOct 12, 23Apr 18, 24Not available
2024/0128,948 RESONANCE DEVICE AND METHOD FOR MANUFACTURING SAMEDec 28, 23Apr 18, 24Not available
2024/0128,949 ACOUSTIC WAVE RESONATOR WITH TRANSVERSE SPURIOUS MODE FOR FILTER STEEPNESSDec 07, 23Apr 18, 24Not available
2024/0128,950 DYNAMIC ADJUSTMENT OF TRANSMISSION LINE LOSSOct 14, 22Apr 18, 24Not available
2024/0128,951 SYSTEM AND METHODS FOR ASYNCHRONOUS SIGNAL INTERPOLATIONOct 11, 23Apr 18, 24Not available
2024/0128,968 Devices and Methods for Improving Voltage Handling and/or Bi-Directionality of Stacks of Elements When Connected Between TerminalsJun 02, 23Apr 18, 24Not available
2024/0120,178 COST EFFECTIVE RADIO FREQUENCY IMPEDANCE MATCHING NETWORKSOct 10, 22Apr 11, 24Not available
2024/0120,179 PLASMA PROCESSING DEVICE, HIGH-FREQUENCY POWER SUPPLY CIRCUIT, AND IMPEDANCE MATCHING METHODJan 19, 22Apr 11, 24Not available
2024/0120,813 AIR COMPRESSORApr 11, 22Apr 11, 24Not available
2024/0120,897 FILTER DEVICE, ANTENNA DEVICE, AND ANTENNA MODULEDec 21, 23Apr 11, 24Not available

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