4results 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 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.

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.