Abstract: A pickup diaphragm includes a pickup part, a suspension edge and an outer edge, wherein the pickup part includes a non-planar surface. The suspension edge includes a deformable surface, with a joint surface being respectively configured on the inner and outer sides of the deformable surface, and the joint surface on the inner side being fixedly connected to the periphery of the non-planar surface. In addition, the outer edge includes a ring groove, in which one side of the ring groove is set as a connection end while the other side thereof is set as an opening end, the inner side of the connection end is fixedly connected to the joint surface located on the outer side, and a stethoscope head can be inserted through the opening end such that the ring groove is placed in sleeve on the outside of the stethoscope head.

Abstract: A point-pressed audio pickup apparatus includes a deformation element and an audio pickup device. The deformation element is pushed by an external force to induce deformation, so that a distance sensing element in the audio pickup device can measure the deformation through the changed distance so as to trigger the audio pickup device to start receiving sound.

Abstract: A vibration-based speaker box device is disclosed, comprising a vibration body and a control body, wherein the vibration body can be combined with the control body, and the control body can transfer an audio signal to the vibration body; the first case of the vibration body internally includes an accommodation area for the placement of the a vibrator, and the vibrator can be combined within the accommodation area by means of the filler between the accommodation area and the vibrator; also, the surface of the vibrator can be fixedly bonded onto a vibration board, so that the kinetic energy generated by the vibrations of the vibration body can spread onto the entire vibration board thereby propagating the audio signal through the vibration board.

Abstract: A wearable sound box apparatus is disclosed. In one embodiment, the disclosed sound box apparatus may include a wearable element having both ends thereof extended to form two sound box accommodating areas. The wearable element may be structurally hollow, allowing for a printed circuit board (PCB), a battery, and a reflection tube to be placed therein. A sound unit placed within each of the sound box accommodating areas may be electrically connected to the PCB through a signal line. When the sound unit operates, sound waves from the sound unit are reflected within the wearable element and corresponding inverted sound waves are transmitted out of the wearable element by the reflection tube.

Abstract: An improved structure for a passive radiation sound box comprises: a body, which is formed an inner room and a sound-guide tunnel through several clapboards, the surface of the body is disposed an outlet connecting with the tunnel; a passive radiation component, each of the two ends of a vibration film has an edge, the component is disposed between the clipboards, the edges are connected with the clipboards; and an amplifier unit, which is surrounded in the room by the clapboards and the component, a vibration film of the unit is disposed on a side surface of the room, the component is beneath the unit; wherein while the unit is vibrating and sounding, partial sound pressure in the room is through the room by way of the component, and is then released by the outlet along the tunnel.

Abstract: A horn amplifier comprises a horn and at least one speaker member with at least one spherical sound source; wherein the horn has one throat portion and one voice port opened from the throat portion toward outside, the bottom surface of the inner side of the throat portion of the horn has an open, the spherical sound source of the speaker member connects with the open, the inner side of the throat portion has at least one S-type sound-guide board, the sound-guide board is made as a plurality of paths in order to let spherical sound waves from the spherical sound source of the speaker member enter into the paths, then the spherical sound waves are transformed into plane sound waves, the plane sound waves are delivered to outside through the inner structure of the horn.

Abstract: A horn amplifier comprises a horn and at least one speaker member with at least one spherical sound source; wherein the horn has one throat portion and one voice port opened from the throat portion toward outside, the bottom surface of the inner side of the throat portion of the horn has an open, the spherical sound source of the speaker member connects with the open, the inner side of the throat portion has at least one S-type sound-guide board, the sound-guide board is made as a plurality of paths in order to let spherical sound waves from the spherical sound source of the speaker member enter into the paths, then the spherical sound waves are transformed into plane sound waves, the plane sound waves are delivered to outside through the inner structure of the horn.

Abstract: A mountable multi-directional audio device comprises at least one broadcasting device, which has a sounding portion outwardly; and at least one connecting member, the any end of the connecting member is connected with the broadcasting device.

Abstract: A speaker unit for a projector includes a first speaker, a fixing portion and a second speaker. Either the first speaker or the second speaker has a central hole to hold the vertical post of a projector. Two holes that are diagonally opposing each other are provided in the inner wall of the central hole. The two holes of the fixing portion may align with the two holes of the first speaker and fasteners may be used to fixedly connect the first speaker with the vertical post. A connective portion is provided on either of the two vertical walls of the first speaker and a connective portion is provided on either of the two vertical walls of the second speaker. Therefore, the second speaker may be connected with the first speaker by these connective portions.

Abstract: A connecting structure adapted to connect two sound boxes comprises a clasping assembly and a positioning structure, the surface of the clasping assembly has a protruding portion, which has several protruding members, the surface of the positioning assembly has a hollow open, which has several oblique-rotation positioning portions and several apertures according to the protruding members of the clasping assembly, wherein the clasping assembly and the positioning assembly have four locking holes respectively for the clasping assembly and the positioning assembly being fixed to the two sound boxes; the protruding members of the protruding portion of the clasping assembly are inserted into the apertures of the hollow open of the positioning assembly accordingly, the clasping assembly or the positioning assembly is rotated in order to let the protruding members be fixed in the positioning portions, so that the different sound boxes are connected to each other.

Abstract: An improved structure of a speaker comprises a cone frame, a surround and a diaphragm, wherein a circumference of the diaphragm is sealed to an edge of an opening of the cone frame. A container portion is disposed on an inner side of the opening of the cone frame. The surround is disposed between the diaphragm and the container portion of the cone frame. Therefore, when an audio-frequency electrical signal is coupled with a voice coil inside the cone frame, the voice coil outputs an audio signal to drive the diaphragm to move and generate a sound. The present invention uses the surround to let the diaphragm move up and down with less resistance, which helps the diaphragm move more smoothly and reduces a distortion of sounds and increases the sensitivity of sound pressure level by enlarging the diaphragm moving area.

Abstract: An improved heat sink structure for car power adapter has an air-in vent on the lateral side of the power adapter, an air-out vent on an upper housing of the power adapter, a circuit board disposed within the power adapter wherein a fan is mounted on the circuit board and a heat sink is disposed on the fan. The present invention implements the heat sink with the fan so as to suck cold air into the power adapter via the air-in vent. When the electronic elements on the circuit board generate heat, the heat sink is capable of conducting the heat from the electronic elements of the circuit board and the cold air enhances the efficiency in heat exchange. Subsequently, the heated air can be exhausted to outside via the air-out vent by the fan, thereby prolonging the lifetime and reducing the breakdown possibilities of the heat sink structure.

Abstract: Disclosed is an improved jack structure, includes a main body, a cover, two protective covers, a lock piece and a conductive piece. When an object is inserted into a single one of insertion holes each corresponding to one of the protective covers on the main body, a corresponding one of the protective covers is pushed to move. A protrusion of the pushed protective cover then pushes an urging portion of the lock piece and the urging portion is stopped by the other one of the protective covers. Therefore, the improved jack structure can be prevented from being inserted with an acute object and thus from occurrence of electric shock.

Abstract: This invention provides a designed structure with push-pull unit speakers, mainly, one or more than one magnet assembly structure additionally being provided between the two unit speakers located in the current sound box so that the magnetic structure and the electromagnetic structure, although both being close together, are made to be repulsive to each other; thereby a push-pull action resulting in all the formed magnetic fields after the current is ON may be used to solve the problem of the speaker in instability and distortion at low frequency for further exaltation of the power bearable by speaker and the efficiency without any limit of sound box or other aspects.

Abstract: The present invention relates to structural improvement for glass sound cases, especially those with variable formation, beautifying effects and visual variation, wherein the materials of traditional sound cases with unchangeable formation are replaced with variable aluminum or glass and a glass of variable shape being covered on either side of the one-piece hollow frame. Inside the frame installs several speakers and relative components. Also, several LED or luminous components are placed around the speakers to highlight the inner structure of the frame and the entire modeling through the transparent glass cover. With such a design wherein the frame body and the transparent glass cover can be randomly assembled, the sound case is full of variation and beautifying effects. The transparent glass covers spotlights the fast, slow, big and small vibration of the speakers inside the frame and the LEDs or luminous components add more visual variation to the sound case.