8results about How to "Improve sound performance" patented technology

The present invention relates to a vehicle window comprising: – a glass sheet (4) or a glass assembly; – a plastic material component (5) partially covering the glass sheet or glass assembly; – at least one fixing system for fixing an audio exciter mounted on the glass sheet or glass assembly, the fixing system comprising a base and an attachment portion (3), the base of the fixing system being connected to the plastic material component (5); and – at least one audio exciter fixed to the attachment portion (3) of the fixing system. The invention also relates to a method for manufacturing such a window.

The invention provides a support assembly, a vehicle glass assembly and a vehicle, and relates to the technical field of automobile spare parts, the support assembly comprises a support body and a sound production module, the support body comprises a substrate, a fixed seat arranged back to vehicle glass and a bonding surface arranged facing the vehicle glass, the fixed seat is arranged on the substrate and is provided with a first connecting part, and the bonding surface is provided with a second connecting part; the sound production module is connected to the first connecting part. The sound production module can be integrated to the support body, space resources near the windshield are fully utilized, occupation of other areas in the automobile is avoided, the sound effect is improved, it is ensured that the original functions of the support body and the automobile driving sight are not affected, and the driving safety of the automobile is improved. The space utilization efficiency of the support body is improved, and the layout and performance of the vehicle-mounted sound system are optimized.

The utility model discloses a combination type sound equipment, which is characterized by the following technical scheme: a shell is provided, a rotating shaft is rotatably connected in the shell, a threaded rod is rotatably connected in the rotating shaft, a fixed ring is fixedly connected to the top of the threaded rod, a ratchet wheel is arranged on the upper end of the fixed ring, a knob is fixedly connected to the upper end of the threaded rod, a linkage column is threadedly connected to the bottom of the threaded rod, a brake ring is fixedly connected to the lower end of the linkage column, a first quick-connection module is fixedly connected to the outer side of the rotating shaft at the right end of the shell, a clamping block is fixedly connected to the right end of the first quick-connection module, a stop block is slidably connected in the shell, and a return spring is fixedly connected in the stop block. Through the design cooperation of the rotating shaft and the first quick-connection module, one group of the same sound equipment can be conveniently spliced, the flexibility and adaptability of sound field construction are improved, and meanwhile, the user is allowed to quickly adjust the sound equipment layout according to the site form and acoustic requirements.

The utility model discloses a lightweight double-diaphragm wireless interconnection sound box, which can ensure that audio streams can be efficiently and stably transmitted in a complex environment through a wireless communication unit, delay and lagging are reduced, user experience is improved, an audio processing unit accurately restores high and low frequency components of audio signals, tone quality is optimized, and sound quality is improved. And the main control unit generates a double-diaphragm driving control signal according to the decoded audio signal, realizes dynamic frequency division driving and enhances the tone quality layering sense by accurately controlling the vibration of the high-frequency and low-frequency diaphragms, and is also responsible for dynamically adjusting the output voltage of the power supply unit, optimizing the energy consumption and prolonging the endurance time according to the load demand. The double-diaphragm driving unit adopts a high-frequency and low-frequency diaphragm separation design, interference is avoided, high-fidelity audio restoration is realized, and the power supply unit outputs stable voltage to a double-diaphragm load according to an instruction of the main control unit, so that stable performance of the sound box is ensured.

This utility model relates to the technical field of headphone decorative parts, and discloses a snap-on replaceable headphone decorative part, including an elastic ear hook, a front cavity of the speaker, a rear cavity of the speaker, and a decorative part. The front cavity and the rear cavity of the speaker are connected to form the headphone body. The decorative part is connected to the front cavity or the rear cavity of the speaker via a detachable snap-on structure. The detachable snap-on structure includes a snap plate disposed on the inner side of the decorative part and a snap groove formed on the outer wall of the front cavity or the rear cavity of the speaker. The snap plate and the snap groove are engaged. The rear cavity of the speaker has a vent hole, and the front end of the front cavity of the speaker has a sound outlet hole. The elastic ear hook is disposed on the outer side of the rear cavity of the speaker. In this utility model, the elastic metal snap plate on the inner side of the decorative part engages with the L-shaped snap groove on the outer wall of the front cavity or the rear cavity of the speaker to form a detachable snap-on structure, realizing the quick replacement of the decorative part, meeting the user's personalized needs for the appearance of the headphone, and solving the problem that existing decorative parts cannot be removed and replaced.

The utility model discloses a kind of coil loudspeakers. The loudspeaker is sequentially sleeved and concentrically arranged from inside to outside by dome tweeter, annular midrange loudspeaker, annular woofer, and three-way unit;Among them, the tweeter adopts dome diaphragm, the midrange loudspeaker adopts first annular diaphragm, and the woofer adopts second annular diaphragm;The three-way unit is used for dividing audio signal into high-frequency band, mid-frequency band and low-frequency band, and inputting into corresponding loudspeaker respectively. The utility model adopts three loudspeaker units of high-frequency, mid-frequency and low-frequency, and is concentrically sleeved from inside to outside. The tweeter unit selects dome diaphragm, and directivity is accurate and high-frequency extension performance is superior. The midrange unit is equipped with annular diaphragm, effectively suppresses segmented vibration, and ensures the intelligibility and purity of mid-frequency tone color. The woofer unit also adopts annular diaphragm, which can maximize the effective radiation area in limited space.

This utility model relates to a fully enclosed loudspeaker structure, comprising: a frame, the top of which is a closed conical structure; a set of wire connection terminals are provided on the side wall of the conical structure, the wire connection terminals being connected to external electronic wires; a magnetic circuit, located on the outer side of the top of the frame; a voice coil, embedded in the inner side of the frame, the voice coil wire being welded and fixed to the wire connection terminals, the magnetic field generated by the voice coil after being energized cooperating with the magnetic circuit; a spider, located on the outer side of the voice coil, used to support the voice coil and provide tension; a diaphragm, located on the inner side of the frame and connected to the voice coil, the diaphragm vibrating due to the electromagnetic action of the voice coil; vent holes on the diaphragm; and a waterproof and breathable membrane attached to the vent holes of the diaphragm. The closed conical structure of the frame top of this utility model, by providing vent holes on the diaphragm and attaching a waterproof and breathable membrane, effectively avoids the limitation of conventional loudspeakers being unable to waterproof due to air leakage, and solves the problem of internal air pressure imbalance in customer structures.

The invention relates to the field of loudspeakers, in particular to an inductance type loudspeaker and audio equipment, which comprises a loudspeaker bracket, drum paper, a dustproof cap, a voice coil, a damper, a wiring terminal, a lead and a magnetic field driving device. Wherein the cone paper is attached to the loudspeaker support, the magnetic field driving device is assembled at the bottom of the loudspeaker support, the damper is fixed on the inner side of the loudspeaker support, the upper portion of the voice coil is fixedly connected with the cone paper and the damper, the magnetic field driving device comprises an inductance device, a washer and an iron body, the washer and the inductance device are assembled with the iron body, and the damper is fixed on the inner side of the loudspeaker support. Therefore, the magnetic field drive of the loudspeaker is formed. And a winding part at the lower part of the voice coil is arranged in a magnetic field driving gap of the magnetic field driver. According to the inductance type loudspeaker, the inductance device is used for generating magnetic field force instead of a magnet which a traditional electrodynamic loudspeaker depends on, so that the problem that the traditional loudspeaker depends on the magnet can be solved, and the requirement for the magnet is reduced.