11 results about "Resonator Device Component" patented technology

The present invention discloses a resonator assembly and a flexible filter. The resonator assembly includes a flexible substrate and a resonator layer located on at least one side of the flexible substrate, wherein the resonator layer includes at least one group of resonance units, each group of resonance units includes at least two resonators that support each other and are electrically connected to each other, and the angle between the arrangement direction of the resonators and the surface of the flexible substrate where the resonators are located is greater than 0 degrees. A cavity structure is formed between the at least two mutually supporting resonators of the resonance unit and the flexible substrate, and the surface of the flexible substrate has a stress buffer structure at a position corresponding to at least one cavity structure. The arrangement of the resonator assembly in this embodiment can reduce the area of ​​the resonator assembly in the direction of the surface of the flexible substrate, which is conducive to the miniaturization of the device. The flexible substrate can improve the flexibility of the resonator assembly, and the stress buffer structure can release stress, better cooperate with the deformation that may occur in the flexible substrate, and improve the stress resistance and yield of the resonator assembly.

A resonator device includes a base and a resonator component disposed on the base. The base includes a semiconductor substrate having a first surface and a second surface that are in a front-to-back relation with each other; an integrated circuit that includes a wiring layer disposed at the second surface side and including a connection pad and includes an insulating layer disposed between the second surface and the wiring layer; a through electrode that penetrates the semiconductor substrate and the insulating layer and is coupled to the connection pad; and an annular metal layer that is disposed so as to penetrate the insulating layer between the second surface and the wiring layer and surrounds the through electrode in a plan view of the semiconductor substrate.

The application relates to the technical field of mobile communication, and discloses a filter and a communication device. The filter comprises a cavity, a cover plate and a resonator assembly. The cover plate is arranged on the cavity. The resonator assembly comprises a first resonator and two second resonators. The first resonator is connected with the side wall of the cavity, the first resonator is located between the two second resonators, each second resonator is independently connected with the bottom wall of the cavity or the cover plate, the extension direction of the first resonator is arranged at an angle with the extension direction of the second resonator, the first resonator and the second resonator are coupled and connected, and the two second resonators are coupled and connected. The filter and the communication device have the advantages that a flying rod does not need to be arranged between the two second resonators, one resonant cavity can be omitted, the overall size of the filter is smaller, the miniaturization requirement of the product can be met, and the material cost is reduced. In addition, when the flying rod is omitted, the adverse effect on the far-end suppression can be avoided, and the performance of the product is improved.

The present application provides a kind of resonator, resonator assembly, filter and electronic equipment.The resonator includes substrate;Acoustic mirror;Seed layer;Bottom electrode, formed on seed layer;Piezoelectric layer;And top electrode;The overlapping part of acoustic mirror, bottom electrode, piezoelectric layer and top electrode collectively forms the effective area of resonator;Wherein, the area of seed layer covering effective area in the transverse direction of resonator is less than the area of effective area, to adjust the effective electromechanical coupling coefficient of resonator by changing the area of seed layer covering effective area.The present application can adjust the effective electromechanical coupling coefficient and other parameters of resonator by changing the area of seed layer covering effective area.

A music synthesizer generates an audio signal using an assembly comprising hundreds or thousands of resonators. These resonators may be based on the analysis of any acoustic space, such as acoustic musical instruments, rooms, recording studios, or music halls. A machine learning network is trained to learn features of the music sound. The feature may be whether the sound is melodious. The network produces an audio effect applied to a selected frequency in the spectrum. An input signal or an excitation signal is provided to the network that processes the input by a trained model of the target audio source and configures the resonator components to generate an output audio signal based on the input signal. The network may be expanded to create novel impulse responses to create tones and timbres unique to existing audio sources, which input signals may include musical tones or include human voice inputs.

Provided in the present invention is a notch filter. The notch filter comprises a signal input end, first laterally excited bulk acoustic wave resonators connected in series with the signal input end, resonator assemblies connected in parallel to the first laterally excited bulk acoustic wave resonators, and a signal output end connected in series with the first laterally excited bulk acoustic wave resonators, wherein each resonator assembly comprises two second laterally excited bulk acoustic wave resonators that are respectively grounded; a first laterally excited bulk acoustic wave resonator is connected between two second laterally excited bulk acoustic wave resonators in a resonator assembly, and the three laterally excited bulk acoustic wave resonators are jointly arranged in a T shape; and the resonant frequency of each first laterally excited bulk acoustic wave resonator is less than the resonant frequency of each second laterally excited bulk acoustic wave resonator. In the present invention, by means of designing first laterally excited bulk acoustic wave resonators that are connected in series and resonator assemblies that are connected in parallel, a notch filter for realizing high-frequency, high-degree-of-suppression and large-bandwidth filtering is obtained.

The embodiment of the present application relates to the technical field of communication, and discloses an antenna unit, a communication device and a method for manufacturing an antenna unit, the antenna unit comprising a dielectric substrate, a resonator assembly, a decoupling structure, a ground plate and a feeding structure, the dielectric substrate comprising a first surface and a second surface arranged oppositely; the resonator assembly is arranged on the first surface; the decoupling structure is arranged on the resonator assembly; the ground plate is arranged on the second surface, and the ground plate is provided with a first gap for coupling with the resonator assembly; and the feeding structure is arranged on the second surface. In the above manner, the embodiment of the present application can reduce the coupling between the resonator assemblies and improve the performance of the antenna unit.

The embodiment of the utility model relates to the technical field of antennas, and particularly discloses an antenna and a communication device, the antenna comprises a dielectric layer, a radiation layer and a radio frequency bottom layer, the dielectric layer is provided with a first surface and a second surface, the first surface and the second surface are oppositely arranged, the radiation layer comprises a feeder line, a resonator assembly and a radiator, the feed line and the resonator assembly are both arranged at one end of the first surface, one end of the feed line is connected to the radiator, the resonator assembly and the two sides of the feed line are arranged at intervals, the radiator is arranged at the other end of the first surface, and the radio frequency ground layer is arranged at one end of the second surface. Through the above mode, the embodiment of the utility model has a wave trapping characteristic, and can effectively suppress in-band interference.

The present invention discloses an acoustic resonator and a method for suppressing high-order clutter passbands, providing a substrate on which a reflective grating is formed; a first resonator assembly is formed on the reflective grating, including a first bottom electrode, a first top electrode, and a piezoelectric layer disposed between the first bottom electrode and the first top electrode; a second resonator assembly is formed on the reflective grating and is arranged in parallel with the first resonator assembly, including a second bottom electrode, a second top electrode, and a piezoelectric layer disposed between the first bottom electrode and the first top electrode; the reflective grating includes alternately stacked low acoustic impedance layers and high acoustic impedance layers, and there is a height difference h between the reflective gratings under the first resonator assembly and the second resonator assembly. In the present invention, the height difference h is set in the second layer from top to bottom of the reflective grating, and the height of one side resonator is changed, so that the clutter passbands formed by the frequency offset of the first resonator assembly and the second resonator assembly become superimposed, thereby suppressing the clutter passbands.

Positioning systems and methods for charging an electric vehicle are described. A resonator assembly has a position monitoring region and a plurality of resonators distributed within the position monitoring region, each resonator having a resonator location in the position monitoring region, wherein each said resonator is configured to transmit a locator signal having a signal - amplitude and an assigned locator signal characteristic associated with the corresponding resonator location. A reader assembly has a receiver configured to receive the locator signal from at least one resonator of the plurality of resonators, and a processor configured to process a distribution of the received locator signals, to determine a position of the reader assembly relative to the resonator assembly, based on: the signal amplitude of the received locator signals; and the assigned locator signal characteristic of the received locator signals.

The invention provides a resonator assembly, a filter and electronic equipment, and belongs to the technical field of semiconductors, the resonator assembly comprises at least two transducers and at least one intermediate reflecting grating, and the intermediate reflecting grating is arranged between the two adjacent transducers; the middle reflecting grating comprises at least two reflecting grating units. By arranging the middle reflecting grating between the two adjacent transducers, the number of the reflecting gratings can be reduced, the two adjacent transducers are tighter, the middle reflecting grating is arranged to be at least two reflecting grating units, the reflecting requirement corresponding to each transducer can be met, and the filter formed by the resonator assembly has the advantages that the filtering effect is good, and the filtering effect is good. And miniaturization can be realized under the condition that the filtering performance is ensured.