17 results about "Passive radiator" patented technology

The application discloses a method for changing the structure form of a sound box and the sound box, and relates to the technical field of sound boxes. The method comprises the following steps: a wind pipe or a passive radiator is arranged in the rear cavity of the sound box; an opening is formed on the sound box corresponding to the rear cavity, so that the wind pipe or the passive radiator can communicate with the outside through the opening; two sets of tuning parameters are configured for the sound box, the first set of tuning parameters is suitable for a sealed sound box, and the second set of tuning parameters is suitable for a wind pipe sound box or a sound box with a passive radiator; the sealing state of the opening is detected, and the first set of tuning parameters or the second set of tuning parameters is automatically called according to the sealing state. The application changes the sealing state of the opening of the rear cavity of the sound box to switch the structure form of the sound box, calls the corresponding tuning parameters according to the different structure forms of the sound box, and thus different sound effects of the sound box can be generated to adapt to the presentation requirements of different styles of music, thereby optimizing the appreciation experience of users and expanding the application scenarios of a single sound box product.

The utility model discloses a high-performance loudspeaker, which relates to the technical field of loudspeakers, comprises a loudspeaker box, and a voice coil, a magnetic group and a membrane group which are arranged in the loudspeaker box, and is characterized in that an accommodating space is arranged in the magnetic group, the accommodating space is communicated with the external space of the loudspeaker box, a passive radiator is arranged in the accommodating space, and the membrane group is communicated with the passive radiator. The passive radiator comprises a passive radiation mass block and a passive radiation vibrating diaphragm arranged on the periphery of the passive radiation mass block, and the passive radiation vibrating diaphragm is connected with the magnetic group. According to the utility model, through the structure of the magnetic circuit and the passive radiator, the performance of the loudspeaker is improved, and under the condition of the same rear cavity space, the loudspeaker has lower resonant frequency, better low-frequency response and larger sound radiation area, and can provide more loud sound.

A passive radiator with adjustable working frequency, which includes a chassis, a vibrating plate movably coupled to the chassis by a suspension component, and an added weight device arranged outside the vibrating plate. The added weight device is replaceable to adjust the working frequency of the passive radiator.

A vehicle includes a housing, a passive radiator disposed on a rear surface of the housing, an active speaker disposed on a front surface of the housing and configured to output a virtual engine sound, a partition wall disposed inside the housing such that one side is in contact with a left side surface of the housing and the other side is in contact with a right side surface of the housing, a driver configured to move and rotate the partition wall, and a controller configured to control the driver based on at least one of a transmission gear of the vehicle and a vehicle speed.

The utility model relates to the technical field of sound boxes, in particular to an integrated piece of a battery and a passive radiator and a sound box provided with the integrated piece, the integrated piece comprises a main body, the main body is provided with a power supply structure and a passive radiation structure, the power supply structure is used for supplying power to a loudspeaker of the sound box, and the passive radiation structure is used for radiating the passive radiation structure. The passive radiation structure is used for enhancing the low-frequency effect of the sound box. According to the utility model, the integrated part integrates the functions of the battery and the passive radiator at the same time, so that a gap and a distance between the battery and the passive radiator do not need to be reserved in the sound box, and the thickness of the sound box can be further reduced.

This application provides an audio speaker, relating to the field of acoustic equipment technology. The speaker includes: a cabinet; a loudspeaker connected to the cabinet; a partition disposed inside the cabinet, dividing the space within the cabinet into a main cavity and a secondary cavity, with the loudspeaker opposite the main cavity; multiple passive radiators, each disposed on an opposing surface of the cabinet and the partition; a linkage connecting the multiple passive radiators, used to actuate the multiple passive radiators; and a perforated component disposed within at least one of the main cavity and the secondary cavity. This speaker can reduce the resonant frequency of the acoustic system, while absorbing standing waves and excess reflected sound energy, reducing acoustic interference and nonlinear distortion, and preventing noticeable bass trailing and muddiness.

The utility model relates to a sound equipment light guide base, which belongs to the technical field of sound equipment bases, and comprises a light guide base, a passive radiator and a lamp panel are arranged in the light guide base, the light guide base comprises a base, a bonding platform is arranged above the base, a plurality of light guide columns are uniformly arranged on the bonding platform along the circumferential direction, and the passive radiator comprises a folding ring and a circumferential ring. The periphery is arranged on the periphery of the folding ring, a plurality of through holes are evenly formed in the periphery in the circumferential direction, the periphery is bonded with the bonding platform, and the light guide columns correspond to the through holes in a one-to-one mode. Coexistence of the passive radiator and the light guide base is achieved, light can be guided, and the bass effect of the sound box is improved.

Example techniques may involve controlling a passive radiator. An implementation may include a device receiving, via a network interface, audio content and generating an audio signal representing the audio content. Generating the audio signal involves modifying portions of the audio content to limit excursion of the speaker driver to less than an excursion limit when a forward prediction model indicates that the portions of the audio content are predicted to cause the speaker driver to move beyond the excursion limit. While playing back the generated audio signal via the audio stage, the device detects, via a sensor, clipping of the speaker driver and generates a feedback signal based on the detected clipping of the speaker driver. The device adjusts the forward prediction model based on the generated feedback signal.

The utility model discloses a best machine sound equipment structure which comprises a best machine base outer shell, the best machine base outer shell is composed of an upper shell body and a lower shell body, the upper shell body and the lower shell body are connected in a sealing and buckling mode, the top of the upper shell body is provided with a concave battery pack sinking position, and a battery pack is installed in the battery pack sinking position. A cover is detachably mounted at an opening above the battery pack sinking position; the battery pack sinking position and the cover jointly form a battery bin for accommodating the battery pack; a plurality of bass loudspeakers and a plurality of passive radiators are installed at the top of the lower shell, a plurality of universal wheel sinking positions used for installing universal wheels are installed at the bottom of the lower shell, and the sound production directions of the bass loudspeakers and the passive radiators face downwards. The utility model relates to the technical field of entertainment equipment, the subwoofer assembly is integrated in the base, the whole base is converted into the loud speaking cavity of the subwoofer, the transmission of low-frequency sound is facilitated, the tone quality of the best machine is greatly improved, and meanwhile, the structure layout is simple, and the design is reasonable.

A scalable folded dipole has an additional passive conductor feature disposed on the same substrate (such as a PCB) as the conductor pattern forming the folded dipole's arms. The passive conductor feature is placed in an open region in a gap between adjacent dipole arms. The presence of the passive conductor feature provides for improved tuning of the gaps between adjacent dipole arms as well as improved impedance matching.

The utility model provides a sound box with resonance cavity, the sound box includes box, guide sound pipe, speaker and passive radiator, the box has the inner chamber, passive radiator is located the side of box, the guide sound pipe is located in the box and the guide sound pipe with the box between interval forms the resonance cavity, the guide sound pipe extends to passive radiator direction and the sound outlet of guide sound pipe is close to and towards passive radiator, the guide sound pipe front is equipped with the entrance, the speaker is located on the box and its front radiation surface is towards the front of box, the rear end of speaker is from the entrance and is placed into the guide sound pipe. The utility model can improve the stereo effect of sound box in low frequency response.

The invention provides a loudspeaker module and electronic equipment, and the loudspeaker module comprises a box body which is provided with a first cavity and a second cavity which are communicated with each other; the at least one first loudspeaker is arranged in the first cavity, and the first loudspeaker is used for playing an audio signal of a first frequency band; the passive radiator comprises two vibrating bodies which are oppositely arranged, and the two vibrating bodies are arranged on the two opposite sides of the second cavity; when the first loudspeaker is in a working state, the vibration directions of the two vibration bodies are opposite.

The utility model relates to a two -way two unit two -passive radiator earphone belongs to earphone field, including earphone department and the ear hanging department of rotation connection or fixed connection in earphone department, the inside of earphone department is provided with PCB board and first loudspeaker, the ear hanging department or earphone department inside is provided with battery, battery, first loudspeaker and PCB board electric connection, the front of first loudspeaker is provided with the acoustic cavity, the front end of acoustic cavity is provided with vibrating diaphragm, the inside of earphone department still is provided with second loudspeaker, second loudspeaker is located first loudspeaker one side. This two -way two unit two -passive earphone through setting up acoustic cavity and vibrating diaphragm, make the sound effect of earphone more have stereoscopic feeling, through setting up treble loudspeaker, realize two two -passive sound effect, the sound is more delicate, through setting up wireless charging receiving coil and the driving circuit of adaptation, cooperate external wireless charger, road for battery wireless charging, it is very convenient.

The utility model relates to the technical field of outdoor sound boxes, in particular to a Bluetooth sound box with an outdoor lighting function, which comprises a base component and a lamp post component, a sound production component and an electronic component are arranged in the base component, the electronic component is provided with a sound control circuit and a light control circuit, and the sound production component is provided with a loudspeaker; a light-emitting lamp set and an energy storage battery are arranged in the lamp pole component, a lower end opening of the lamp pole component is communicated with the inner space of the base component, and a passive radiator is arranged at an upper end opening of the lamp pole component to form sealing, so that the inner space of the lamp pole and the inner space of the base jointly form a sealed rear sound cavity of the loudspeaker. In conclusion, the outdoor lamp and the loudspeaker box are innovatively combined, components are reasonably arranged to achieve function integration and space optimization, the internal space is communicated, the passive radiator is additionally arranged to optimize the tone quality, the annular groove, the axial support and the like are utilized to ensure stable and sealed structure, the contradiction between the size and the function of outdoor equipment is effectively solved, and the use experience of a user is optimized.

The utility model relates to the technical field of speakers, in particular to a sealing structure for a split speaker housing and a passive radiator; it includes a speaker housing, a passive radiator and a sealing structure. The speaker housing includes a front shell and a rear side assembled together. The front shell and the rear shell can enclose a first installation opening for installing the passive radiator; the sealing structure includes a silica gel gasket provided between the passive radiator and the first installation opening and a silica gel sealing strip provided between the front shell and the rear shell. The end of the silica gel sealing strip is bonded to the silica gel gasket. Compared with the prior art, by providing a silica gel gasket to seal the gap between the passive radiator and the front shell and the rear shell, and by providing a silica gel sealing strip to seal the gap between the front shell and the rear shell; at the same time, the silica gel sealing strip and the silica gel gasket are bonded together to form a special-shaped waterproof structure, which can seal the gaps between the passive radiator, the front shell and the rear shell at the same time, thereby further improving the waterproof and sealing effect of the speaker.

A touch panel display unit includes a housing, at least one connecting structure, at least one audio output transducer, and a passive radiator. The housing includes a first side and a second side opposite the first side. The first side has a touch surface configured to control operations of the touch panel display unit in response to a force acting on the touch surface. The connecting structure is coupled to the second side of the housing and configured to couple the housing to a first surface. The audio output transducer is configured to emit sound waves. The passive radiator is configured to enhance sound waves of the audio output transducer.

The vibration structure (1) comprises a vibrating mass block (10), a support portion (20), and an elastic portion (30). The vibrating mass block (10) is a plate-shaped portion. The support portion (20) is a portion having a space (21) capable of accommodating the vibrating mass block (10). The elastic portion (30) is a portion capable of elastic deformation that connects the vibrating mass block (10) to the support portion (20). The elastic portion (30) extends along the outer periphery (13) of the vibrating mass block (10) and vibrates the vibrating mass block (10) relative to the support portion (20) in the directions facing the front (11) and back (12) of the vibrating mass block (10). The vibrating mass block (10) has multiple corner portions (14) at its outer periphery (13). The width (W) of the multiple corners (31) of the multiple corners (14) of the elastic part (30) of the vibrating mass block (10) is wider than the width (w) of the edge (32, 33) of the elastic part (30). The width (W, w) is the distance in the direction of expansion of the front (11) and the back (12).