37 results about "High pitch" patented technology

A kind of sound box, including cabinet and the protective cover being arranged in the front of cabinet, first acoustic cavity is equipped in the cabinet, high pitch loudspeaker assembly and bass horn assembly are equipped on the first acoustic cavity, second acoustic cavity is also equipped in the cabinet, the first acoustic cavity is communicated with second acoustic cavity by loudspeaker pipe passing through partition, the loudspeaker pipe is fixedly connected with cabinet, one end of the loudspeaker pipe is arranged in the back of high pitch loudspeaker assembly, the other end of the loudspeaker pipe is inserted into second acoustic cavity. By adding a second acoustic cavity in the cabinet and the loudspeaker pipe that is communicated with the first acoustic cavity and the second acoustic cavity, and one end of the loudspeaker pipe is arranged in the back of the high pitch loudspeaker assembly, the manufacturer selects loudspeaker pipe with different pipe diameter and different length according to actual situation, so that the inside of the loudspeaker pipe helps the reflection and resonance of sound waves, so that the utility model shows more rich tone, and then the sound performance comparable to real musical instrument.

The utility model discloses a vehicle door high pitch loudspeaker installation support which comprises a support body, the support body is provided with an installation column hole, and the installation column hole is suitable for installing a loudspeaker of a vehicle. The positioning concave columns are located at the two opposite ends of the mounting column hole and communicated with the mounting column hole, and the positioning concave columns are provided with locking holes; the left positioning connecting plate and the right positioning connecting plate are located on the left side and the right side of the mounting column hole respectively, main positioning holes are formed in the centers of the left positioning connecting plate and the right positioning connecting plate, and main guide columns are arranged on the back faces of the left positioning connecting plate and the right positioning connecting plate. The loudspeaker is limited through the mounting column holes of the support body, then the positioning concave columns at the two ends are matched with the left positioning connecting plate and the right positioning connecting plate for locking and positioning, and stability is enhanced. The positioning concave columns are located at the two opposite ends and conduct the installation column holes at the same time, the loudspeaker body is installed more tightly, and stability is better.

1. Name of the product in this design: Rotary tweeter (5D). 2. Intended use of this design: for use as a speaker in automobiles, homes, and other spaces. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an integrated low-sound baffle sound box. The integrated low-sound baffle sound box comprises an upper sound box and a lower sound box, the upper sound box comprises an upper bottom plate, the lower sound box comprises a lower top plate, and the upper bottom plate and the lower top plate are integrally formed. The upper sound box further comprises an upper front baffle plate, an upper front back plate and an upper rear baffle plate, the upper front baffle plate and the upper front back plate are fixedly connected and form an upper sound box accommodating space for simultaneously accommodating a plurality of alto loudspeakers and a plurality of high-pitch loudspeakers, the alto loudspeakers are respectively embedded in the upper front baffle plate, and the high-pitch loudspeakers are respectively embedded in the upper front baffle plate or the upper rear baffle plate; and a gap is formed between the upper front back plate and the upper rear baffle plate. The integrated low-sound baffle sound box disclosed by the utility model has the beneficial effects that the baffle, the linear array and the high, medium and low-sound loudspeakers are seamlessly coupled together by adopting the high-integration box body, so that a sound field effect approximate to 360 degrees is formed.

This utility model discloses a sound guiding structure for an earphone with high and low frequency units, comprising an earphone shell and a speaker unit. The speaker unit divides the cavity into a front cavity and a rear cavity. The speaker unit is a coaxial dual speaker, comprising: a ring-shaped woofer and a tweeter located at the center of the woofer, with the woofer and tweeter having the same sound-emitting surfaces. A sound guide is provided inside the earphone shell, and a through-type tweeter channel is provided within the sound guide. One end of the tweeter channel is connected to the sound-emitting surface of the tweeter, and the other end extends to the mouthpiece. The sound generated by the woofer enters the front cavity and is then conducted out through the mouthpiece. The sound generated by the tweeter is directly conducted out through the tweeter channel. This utility model uses a coaxial dual speaker, and the sound guide directly conducts the sound generated by the tweeter through the tweeter channel, avoiding the attenuation caused by resonance and sound wave reflection of the high-frequency energy of the tweeter in the front cavity.

The utility model provides a kind of tweeter, comprising: tweeter panel, the back of the tweeter panel is provided with first installation site;Adaptation sleeve, one end of the adaptation sleeve is provided with second installation site, the other end of the adaptation sleeve is provided with third installation site adapted with the first installation site, the diameter of the first installation site is greater than the diameter of the second installation site, the first installation site includes second convex ring, and the second installation site includes sixth convex ring;Tweeter, the tweeter is connected with the adaptation sleeve or tweeter panel. For the utility model, not only can adapt to different sizes of tweeter, make the tweeter and tweeter panel more flexible, the economic efficiency of production is higher, the adaptation sleeve also adopts sunken design, effectively prevent the damage of sound film being flattened.

A vehicle (1), comprising: first-row seats (11), second-row seats (12), and third-row seats (13). An onboard audio system (14) corresponding to the third-row seats comprises: a first surround speaker (141), a second surround speaker (142), a first tweeter (143), a second tweeter (144), a first mid-bass speaker (145), and a second mid-bass speaker (146), wherein the first surround speaker and the second surround speaker are symmetrically arranged about the central axis of the vehicle on a headliner corresponding to the third-row seats, and the first surround speaker and the second surround speaker are both arranged at positions away from the ears of users in the third-row seats; the first mid-bass speaker and the second mid-bass speaker are symmetrically arranged about the central axis of the vehicle, and the first mid-bass speaker and the second mid-bass speaker are both arranged at positions above the plane where armrests of the third-row seats are located; and the first tweeter and the second tweeter are symmetrically arranged about the central axis of the vehicle. The auditory experience for users riding in a vehicle having three rows of seats can be improved.

This invention discloses a vehicle. The vehicle includes: a first row of seats, a second row of seats, and a third row of seats. The in-vehicle playback system corresponding to the third row of seats includes: a first surround speaker, a second surround speaker, a first tweeter, a second tweeter, a first mid-bass speaker, and a second mid-bass speaker. The first surround speaker and the second surround speaker are symmetrically arranged on the ceiling corresponding to the third row of seats with reference to the vehicle's central axis. Both the first surround speaker and the second surround speaker are positioned away from the simulated ears of a person sitting on the third row of seats. The first mid-bass speaker and the second mid-bass speaker are symmetrically arranged with reference to the vehicle's central axis. Both the first mid-bass speaker and the second mid-bass speaker are positioned above the plane where the armrest of the third row of seats is located. The first tweeter and the second tweeter are symmetrically arranged with reference to the vehicle's central axis.

This utility model relates to the field of speaker technology, specifically an adjustable tweeter speaker column device, comprising a speaker housing with a lower chamber and an upper chamber. A woofer is installed in the lower chamber, and a tweeter is installed in the upper chamber. Its key feature is that it further includes a support assembly composed of an upper bracket and a lower bracket. The two sides of the upper bracket are respectively hinged to the two side walls of the upper end of the upper chamber. The two sides of the lower bracket are respectively mounted on the two side walls of the lower end of the upper chamber, allowing continuous back-and-forth swinging. The upper and lower ends of the tweeter are respectively fixed to the upper and lower brackets. The tweeter is installed in the upper chamber with adjustable direction as the lower bracket swings back and forth. This utility model allows continuous adjustment of the tweeter angle and can be operated by only one person, making it very convenient to use.

The utility model provides a small-sized high-pitch horn loudspeaker, which comprises a base, a mounting seat and fins are arranged on the periphery of the base in an array manner, the fins can dissipate heat generated by the loudspeaker, a shell is arranged above the base, the shell is integrally formed, and the shell sequentially comprises a mounting part, a neck part, a tube body and a positioning part from bottom to top. Mounting spaces are formed in the base and the mounting part, mounting holes are formed in the top surface of the mounting part in a circumferential array mode, connecting bolts penetrate through the mounting holes and the mounting seat to connect the mounting part with the base, a notch is formed in the side face of the mounting part, a supporting plate is arranged in the mounting part, and the end of the supporting plate penetrates through the notch to face the outer side of the mounting part; and the positioning bolt passes through the positioning hole to connect the positioning part with the mounting piece, so that the shell is prevented from generating displacement in the use process to influence the sounding effect. According to the utility model, the housing is integrally formed, so that the problems of energy loss, phase distortion, frequency response sag and nonuniform directional diffusion generated when the basin stand is connected with the horn can be avoided.

The application discloses a Yueqin for gezaixi, which comprises a resonance box, a sound code, a neck and a head, the front end of the resonance box is provided with a front sound board, the upper end of the resonance box is provided with the neck through a mortise and tenon joint, the top of the neck is fixedly provided with the head, and the inside of the head is provided with a peg through insertion and joint installation, the front end of the front sound board is provided with the sound code through adhesion, and the inside of the sound code is provided with a string through a sound hole. The application belongs to the technical field of Yueqin, and aims to solve the problem that the vibration of the string in the prior art is forced vibration, which causes the resonance box to lack resonance and the sound to be short, and the forced vibration is difficult to fully stimulate the resonance of the cavity, thereby obviously limiting the expansion of low and high sounds. The application achieves the technical effect of solving the problem that the resonance box lacks resonance and the sound is short, and the expansion of low and high sounds is obviously limited.

This invention discloses a manufacturing process for an earphone speaker, comprising sequentially performing a magnetic circuit assembly process, a bass driver assembly process, a tweeter assembly process, and a high-low frequency combination process. The magnetic circuit assembly process includes a bass magnetic circuit assembly process, a tweeter lower magnetic circuit assembly process, and a tweeter upper magnetic circuit assembly process. The bass magnetic circuit assembly process includes sequentially performing an inner magnetic circuit assembly, an outer magnetic circuit assembly, and an inner and outer magnetic circuit combination process. The tweeter lower magnetic circuit assembly process includes sequentially performing a center magnetic circuit assembly and a tweeter lower magnetic circuit combination process. The high-low frequency combination process includes the following steps: driver loading: loading the tweeter and bass driver; assembly: combining and interlocking the tweeter bracket of the tweeter and the bass bracket of the bass driver to form an earphone speaker unit. Through modular step-by-step assembly, full-process precision testing, and automated solidification control, it achieves efficient, high-precision, and high-stability manufacturing of a coaxial high-low frequency dual-unit earphone speaker.

The application relates to an abnormal behavior recognition method and system based on sound and image fusion information, and relates to the field of behavior recognition, which comprises the following steps: collecting a scene image; identifying the number of personnel from the scene image; identifying the personnel distribution from the scene image when the number of personnel is greater than 1; determining a moving vector according to the personnel distribution; determining a direction dispersion in response to the moving vector; collecting a scene sound if the direction dispersion is greater than a preset disorder threshold value; identifying a high-pitched sound source from the scene sound; calculating the quotient of the high-pitched sound source and the number of personnel, and defining the quotient as a high-pitched proportion; and generating and displaying an abnormal behavior prompt based on the high-pitched proportion when the high-pitched proportion is greater than a preset noisy threshold value. The application has the effects of improving the accuracy of abnormal behavior recognition and accurately recognizing the behavior of a target in a multi-target scene.

The utility model provides a television with transverse sound box, including television main body and transverse sound box, transverse sound box includes: sound box casing, frequency -division circuit board, first treble loudspeaker, first bass loudspeaker, inverter tube, second treble loudspeaker, second bass loudspeaker, left sealing cover and right sealing baffle, sound box casing fixed connection is in television main body bottom, first treble loudspeaker fixed mounting is in first mounting hole, first bass loudspeaker fixed mounting is in second mounting hole, inverter tube fixed mounting is in third mounting hole, second treble loudspeaker fixed mounting is in fourth mounting hole, second bass loudspeaker fixed mounting is in fifth mounting hole, the output of frequency -division circuit board input and the power amplifier unit in television main body electric connection, frequency -division circuit board treble output and first treble loudspeaker and second treble loudspeaker electric connection, frequency -division circuit board bass output and first bass loudspeaker and second bass loudspeaker electric connection.

The utility model discloses a kind of medium tone compression diffusion structures for sound equipment, it is related to sound equipment design field, including sound box, the middle part of inside sound box is fixedly installed with treble horn, the both sides in sound box are fixedly installed with bass horn;Two medium tone compression mechanisms are rotatably and cooperatively installed in the middle part of the front side of sound box, medium tone compression mechanism is set between treble horn and bass horn one by one, and medium tone compression mechanism controls the output angle of treble horn when turning over opening and closing;Driving mechanism is fixedly installed in sound box, and driving mechanism drives two medium tone compression mechanisms to carry out synchronous turning motion;The utility model utilizes driving mechanism to control the opening or closing of the both sides medium tone compression mechanism, can effectively control the sound angle of treble horn when opening and closing, and then form the diffusion structure of different angles to carry out volume diffusion, again cooperate bass horn to realize the medium tone control of sound equipment, it can be applicable to different scenes.

1. Name of the product in this design: Rotating tweeter cover (5D). 2. Application of this design: It is used as a whole for audio speakers in automobiles, homes, and other spaces, and as a decorative cover for audio speakers. 3. The key design features of this product are the shape of the part for which protection is sought and the openwork pattern thereon. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: This application is a partial design; the parts coated in black are the parts for which protection is not sought, and the parts not covered in black are the parts for which protection is sought.

The application provides a high-pitched loudspeaker integrated with a sealed rear cavity, and relates to the technical field of loudspeakers. By matching a first supporting assembly, a second supporting assembly and a sealing structure, an integrated acoustic chamber is enclosed on the back side of a diaphragm, and a ventilation channel and a tuning assembly are arranged, so that the loudspeaker can be applied to ultra-thin electronic devices such as smart phones, tablet computers and smart watches. Meanwhile, the integrated design avoids the complicated procedures of separately opening molds, manufacturing and assembling the high-pitched monomer and the sound box shell, significantly reduces the number of parts, material cost and mold investment, and improves the production efficiency. In addition, since the sealing performance of the integrated acoustic chamber is easy to accurately control, air leakage or abnormal internal sound wave reflection is effectively avoided, so that the acoustic performance of the product and the consistency of batch production are ensured. Therefore, the application has the beneficial effects of simple and compact structure, low cost and improved acoustic performance.

The present application relates to the field of musical instrument manufacturing, and discloses a brass resonant type of accordion and an acoustic tuning method thereof. The accordion comprises a body, a row spring assembly and a brass decorative shell, and the brass decorative shell is provided with a brass resonant horn opening at the end. In the row spring assembly, the number of simultaneously sounding bass reed rows in the same sound area is 1, 2 or 3, the number of simultaneously sounding medium reed rows is 1 or 2, and the number of simultaneously sounding high reed rows is 0 or 1. The acoustic tuning method comprises calibrating the resonant frequency of the brass resonant horn, adjusting the vibration fundamental frequency of the row spring reed so that the deviation from the resonant frequency is not more than a preset threshold, and adjusting the vibration fundamental frequency by changing the stiffness or equivalent mass of the reed. The present application significantly improves the fullness of the low-pitched sound part and the overall tone color of the accordion by precisely matching the resonance effect of the brass resonant horn with the frequency of the reed, and solves the problem of the thin low-pitched sound of the traditional accordion.

The application discloses a passive inductive high-frequency loudspeaker, and relates to the technical field of loudspeakers, which comprises a magnetic circuit system, a bass loudspeaker unit and a treble loudspeaker unit. The magnetic circuit system is provided with a magnetic circuit gap, and a driving magnetic field exists in the magnetic circuit gap; the bass loudspeaker unit comprises a bass voice coil and a bass diaphragm; the treble loudspeaker unit comprises a treble voice coil and a treble diaphragm; wherein the bass voice coil receives an external audio electric signal and drives the bass diaphragm to vibrate under the action of the driving magnetic field; the treble voice coil is a closed conductor and is forced to vibrate in the driving magnetic field through electromagnetic induction of an alternating magnetic field generated by the bass voice coil, thereby driving the treble diaphragm to vibrate. The application shares the magnetic circuit system, simplifies the structure of the loudspeaker, reduces the manufacturing cost and weight, adopts a passive inductive driving mode, and omits circuit structures such as a high-pass filter; meanwhile, the acoustic centers of the bass and treble units are consistent, the sound field positioning precision is improved, and the sound restoration fidelity is improved.

This utility model discloses a simplified tweeter, including a vibrating plate component, a vibrating plate assembly, and an outer casing. A capacitor and a positive electrode solder pad are located on the upper side of the vibrating plate component. A U-shaped iron, a magnet, a sound post, and the vibrating plate assembly are sequentially mounted on the lower side of the vibrating plate component from top to bottom. The vibrating plate assembly includes a voice coil and a diaphragm. The magnet and sound post are located inside the voice coil, and the diaphragm is below the sound post. The vibrating plate component is mounted on the outer casing, with the U-shaped iron, magnet, sound post, and vibrating plate assembly positioned between the vibrating plate component and the outer casing. The key feature is the inclusion of a connector mounted on the upper side of the vibrating plate component. The connector has a positive electrode solder pad and a negative electrode solder pad. The two voice coil leads are soldered to the positive electrode solder pad and the negative electrode solder pad, respectively. The two leads of the capacitor are also soldered to the positive electrode solder pad and the positive electrode solder pad, respectively. This utility model reduces lower-level components, simplifies the structure, lowers costs, optimizes the production process, and improves production efficiency.

This utility model relates to the field of loudspeaker technology and discloses a coaxial miniature loudspeaker, including a frame, a magnet at the top of the frame, a support assembly in the middle of the frame, and a vibration assembly inside the frame. The support assembly includes a basket fixedly connected to the bottom of the frame, a cover fixedly connected to the middle of the basket, and a bass diaphragm disposed between the frame and the basket. The vibration assembly includes a coil fixedly connected to the top of the frame. In this utility model, by installing the tweeter inside the U-cup at the bottom of the bass diaphragm, the bass diaphragm and tweeter are mounted on the same axis and their diaphragm surfaces overlap, making the physical positioning closer to the point sound source. This avoids the acoustic structural damage caused by separate arrangement of multiple loudspeakers and provides a more ideal sound field positioning effect.

The utility model discloses a reed and its gongdi, belong to gongdi technical field. The reed is equipped with recess groove on, and the recess groove is from the one end of reed to the other end shallowly transition from deep, and the recess groove is set with the midline of reed as axis symmetry. The recess groove includes: the upper recess groove is equipped with in the upside of reed, and the lower recess groove is equipped with in the downside of reed opposite the upper recess groove, and the upper recess groove and the lower recess groove are same in size. The reed is made of the part of bamboo pole close to the epidermis side. The utility model sets recess groove respectively in the middle of the upper and lower sides of reed, thereby forming each arc shape in reed two sides, make the one end of reed air inlet become more thin, and the recess groove of upper and lower sides will form air column when blowing, make gongdi emit sound more sensitive, easy to go high pitch, and the tone is stable. The reed of the application selects the material of the part of bamboo pole close to the epidermis, and its density is greater, and the quality is hard, can directly shunt airflow when the user blows, and the sound is more sensitive.

The utility model provides a kind of sound structure, comprising: a rear shell has an opening, a side wall, a rear wall and a recess;A loudspeaker is set in recess and close to rear wall;A treble panel is set in recess and close to loudspeaker, and the treble panel is provided with a tweeter;A panel is set on opening and is interfered with side wall fixed, and the panel has a front opening, a side ring wall, a rear side wall and a containing space, and the rear side wall has a through hole communicating the containing space and the recess;A back moving plate is set in the front opening of panel;A elastic unit is set in containing space and is connected back moving plate;A mesh frame is set on back moving plate;And a mesh body is set on mesh frame.The front and rear displacement of the back moving plate can achieve the effect of seeing sound effect dynamic from the front of the sound.

1. Name of the product in this design: High-pitched Danbure (Tibetan musical instrument). 2. Purpose of this design: for playing music. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This application discloses a loudspeaker with variable sound emission direction and its angle adjustment method. The loudspeaker includes: a housing having a receiving cavity, the inner wall of which is formed as a first spherical surface; a tweeter assembly having a second spherical surface on its outer surface adapted to the first spherical surface, the tweeter assembly being rotatably mounted in the housing through the cooperation of the second spherical surface and the first spherical surface to change the angle of the radiation axis of the sound wave relative to the housing; and an elastic damping ring disposed between the first and second spherical surfaces and axially compressed against the first and second spherical surfaces to provide rotational damping force and suspension support force. This invention achieves flexible adjustment of the sound emission direction through the spherical pair fit, and simultaneously realizes the triple functions of rotational damping, suspension support, and acoustic sealing using the axially compressed elastic damping ring, enabling the tweeter assembly to be stably positioned after adjustment, with a smooth adjustment feel and excellent acoustic performance.

The present application provides a kind of gourd silk that facilitates blowing high sound, including sound pipe and reed, the reed is equipped with spring tongue, and the reed is fixed on the sound pipe;It also includes pressure platform and pressure rod, the reed is suspended near the root of the spring tongue one end and is connected with the top of one side of the pressure platform, the pressure rod is movably arranged on the sound pipe, when the pressure rod is active, its one end can be in contact with the bottom of the other side of the pressure platform.The present application adjusts the angle of spring tongue and reed during blowing process, facilitates the blowing of medium tone si and high tone do, re and other high tone;Specifically, the present application makes the reed root suspended and connected with pressure platform, by the pressure rod pressing the bottom of pressure platform, makes the pressure platform swing around the reed and sound pipe connection, the suspended end of reed is deformed under the action of pressure platform, makes the spring tongue rise, makes it more easily vibrate, so as to easily blow medium tone si and high tone do, re and other high tone.

1. The name of the design product: double moving coil loudspeaker (bass + treble). 2. The use of the design product: for audio playing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a kind of earphone structures of three-dimensional combination ear clip, including support, first loudspeaker and second loudspeaker, the middle part of the support is equipped with positioning slot, the side wall of the support is equipped with sound outlet, sound outlet extends to positioning slot and is enclosed into sound passage, first loudspeaker is located in positioning slot, the second loudspeaker is equipped with at least one, second loudspeaker is located in the upper end and / or lower end of support, the second loudspeaker is equipped with sound outlet, and spacing is equipped between sound outlet and first loudspeaker, the sound outlet and the wall surface of support enclose guide sound cavity.In actual design, first loudspeaker is plane loudspeaker (preferably plane tweeter), the second loudspeaker is moving coil loudspeaker, by setting first loudspeaker, second loudspeaker as modular design, and install in support, and through the sound passage of support side wall, can improve the guide sound accuracy of ear clip earphone while ensuring treble and bass, improve the sound effect of earphone.

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 discloses a new energy vehicle warning sound device, which includes a shell, a faceplate, a rear shell, a tweeter unit, a woofer unit, and a filter. The tweeter unit and the woofer unit move on the same axis. The tweeter unit is suspended on the faceplate, and the sound output direction is consistent with the vehicle's driving direction. The woofer diameter of the woofer unit is D100-250mm, and the tweeter diameter of the tweeter unit is in the range of 10-60mm. The new energy vehicle warning sound device provided by this utility model has a woofer frequency of 100Hz~5000Hz in the woofer unit and a tweeter frequency of 2000Hz~10000Hz in the tweeter unit. The second-order filter has a signal frequency less than 2000Hz. In application, it can replace traditional high and low frequency electric horns, thereby increasing functionality, reducing vehicle parts, lowering costs, and improving economic efficiency.