| AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD Patent applications |
| Patent application number | Title | Published |
|---|
| 20120128195 | SPEAKER - A speaker includes a holder forming a hollow space, a magnetic system received into the hollow space and defining a magnetic gap, an elastic plate assembled with the holder and defining a first surface and a second surface opposite to the first surface, a diaphragm defining a dome part connected with the first surface of the elastic plate and an edge part connected with the second surface of the elastic plate, and at least a coil defining an end suspended in the magnetic gap and an another end connected with the dome part. The edge part defines an arcuate portion depressed toward the magnetic system. | 05-24-2012 |
| 20120112617 | LED LIGHTING ASSEMBLY - A LED lighting assembly includes a substrate defining a body and a central hole surrounded by the body, a conductive mass positioned in the central hole of the substrate, a LED chip defining a bottom attached to the conductive mass, and a shell mounted on the body and forming a room together with the body. | 05-10-2012 |
| 20120112222 | LED LIGHTING DEVICE - A LED lighting device includes a substrate defining a groove formed by a sidewall and a bottom, a LED chip received in the groove, a reflector attached to the side wall, a circuit protection module electrically connected with the LED chip, and a notch defined on the bottom for receiving the circuit protection module. | 05-10-2012 |
| 20120106775 | SPEAKER - A speaker includes a base defining a pair of receiving cavities separated from each other in a longitudinal direction and an engaging portion disposed between the pair of receiving cavities, a pair of magnetic circuit systems received into the pair of the receiving cavities, a diaphragm attached on the base, a pair of voice coil members connecting with the diaphragm, and a suspension mounted on the base. The suspension defines a pair of separating portions separated from each other in a lateral direction. Each separating portion defines a fixing portion engaging with the engaging portion of the base, a pair of connecting portions extending from two ends of the fixing portion and towards the diaphragm, and a pair of supporting portions connecting with the connecting portion for engaging with the pair of voice coil members, respectively. | 05-03-2012 |
| 20120093350 | SPEAKER SYSTEM - A speaker system includes a case defining a center hole and a body surrounding the center hole, an electroacoustic transducer received in the center hole of a case, and a microphone. The body of the case defines a sidewall, a bottom extending outwards from the sidewall, and a projecting element extending upwardly from the bottom and opposite to the sidewall. A slot is formed between the projecting element and the sidewall, and the microphone is positioned in the slot. | 04-19-2012 |
| 20120070026 | SPEAKER SYSTEM - A speaker system includes a case having a receiving chamber; a variable mechanism received in the receiving chamber for dividing the receiving chamber into a first chamber and a second chamber and being capable of varying a volume of the first chamber; and a speaker unit is received in the first chamber and defining an acoustic port facing an exterior of the case. The separating wall alternatively inserts into one of the receiving member for placing the separating wall precisely at specific locations. Thus, it is easy to vary the volume of the first chamber for achieving an excellent acoustic capability of the speaker system. | 03-22-2012 |
| 20110089772 | FLAT LINEAR VIBRATING MOTOR - A flat linear vibrating motor includes a cover, a base forming a receiving cavity together with the cover, a coil fixed on the base, an elastic member coupled to the base, a vibrator suspended in the cavity by the elastic member. The elastic member includes a mounting section couple to the base, an arm extending from the mounting section, a free end extending from the arm, and a binder. The binder includes two plates for clamping the vibrator and a coupling section coupling the two plates for positioning the free end between the vibrator and the coupling section. | 04-21-2011 |
| 20110075875 | MEMS MICROPHONE PACKAGE - A MEMS microphone package is disclosed. The MEMS microphone package comprises a housing, a MEMS die and an ASIC chip. The housing includes a base, a sidewall extending from the base, and a cover supported by the sidewall for forming a receiving space. The housing defines an acoustic hole for receiving external sound waves. The MEMS die is accommodated in the housing and the MEMS die defines a plurality of first conductive pads. The ASIC chip is accommodated in the housing and the ASIC chip defines a plurality of second conductive pads. | 03-31-2011 |
| 20110013799 | WATERPROOF MICROPHONE - A waterproof microphone includes a transducer unit defining a sound receiving opening, a first waterproof layer fully covering the sound receiving opening, and a second waterproof layer spaced from the first waterproof layer for forming a closed decompression chamber. | 01-20-2011 |
| 20100329503 | VOICE COIL AND TRANSDUCER HAVING THE VOICE COIL - A voice coil is disclosed. The voice coil includes a housing and a wire wrapped around the housing. The housing defines a connecting member and a combining member connected to the connecting member. The wire wraps around the combing member. The connecting member defines an outer surface, an inner surface opposed to the outer surface, and a top surface connecting the outer and inner surfaces. The housing further includes a through hole extending from the outer surface to the inner surface. | 12-30-2010 |
| 20100326766 | MICRO-SPEAKER - A micro-speaker includes a frame, a case supported by the frame, a sound generator located between the frame and the case. The case has a sound hole and a peripheral plate surrounding the sound hole. The peripheral plate includes an outer surface, an inner surface and an inclining surface extending from the inner surface toward the outer surface. | 12-30-2010 |
| 20100322451 | MEMS Microphone - A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity. The housing includes a base and a sidewall extending perpendicularly from the base. A conductive case is provided to cover the cover and the sidewall of the housing. The base defines a periphery portion outside of the cavity for forming a step, and the conductive case locates a bottom end thereof on the step. | 12-23-2010 |
| 20100322443 | MEMS MICROPHONE - A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity, at least one transducer accommodated in the cavity, and a conductive case covering the cover and the sidewall of the housing. The housing includes a cover and a sidewall extending from the base. The conductive case defines a first part covering the cover, a second part extending from the first part for covering the sidewall and a third part perpendicularly extending from the second part for covering a periphery part of the base, the third part forming an opening. | 12-23-2010 |
| 20100301683 | MAGNETNIC CIRCUIT SYSTEM - A magnetic circuit system includes a T-shaped yoke, a magnet, and a top plate. The top plate has a centre hole, an internal end around the centre hole thereof, and two projecting elements provided separately on upper surface and lower surface of the internal end, which improves non-linear distortion of a transducer using the magnetic circuit system. | 12-02-2010 |
| 20100296690 | ELECTRO-ACOUSTIC TRANSDUCER - An electro-acoustic transducer is disclosed. The electro-acoustic transducer includes a case, a magnetic circuit and a vibrating device. The magnetic circuit includes a magnetic bowl coupled to the case, a magnet positioned in the magnetic bowl, a pole plate covering the magnet. A magnetic gap is formed by the magnet and the magnetic bowl. The vibrating device includes a diaphragm vibrating along a vibrating direction, and a voice coil connected to the diaphragm. The pole plate has a first top surface, a first bottom surface, and a first through hole extending from the first top surface to the first bottom surface. A projection of the first through hole along the vibrating direction overlaps at least a part of the magnetic gap. | 11-25-2010 |
| 20100290648 | Condenser Microphone - A condenser microphone is disclosed. The condenser microphone includes a substrate having a cavity, a backplate connected to the substrate, a diaphragm facing to the backplate, and an anchor supporting the diaphragm. A first gap is formed between the diaphragm and the backplate. A groove is arranged on the anchor and the diaphragm partially covers the groove. The diaphragm and the groove forms a second gap communicating with the first gap. | 11-18-2010 |
| 20100290644 | SILICON BASED CAPACITIVE MICROPHONE - A silicon based capacitive microphone includes a first printed circuit board, a second printed circuit board far away from the first printed circuit board, a transducer electrically mounted on the first printed circuit board, a controlling chip electrically mounted on the second printed circuit board, a connecting member located between the first and second printed circuit boards. | 11-18-2010 |
| 20100213773 | Linear Vibrator - A linear vibrator is disclosed. The linear vibrator includes a housing having a base and a cover, a number of elastic members connected to the housing, a vibrating unit suspended in the housing by the elastic members, and a coil positioned in the housing. The base has a bottom wall and a plurality of sidewalls extending vertically from the bottom wall. The vibrating unit has a magnet assembly and vibrates along a direction parallel to the bottom wall. | 08-26-2010 |
| 20100166235 | SILICON CONDENSER MICROPHONE - A silicon condenser microphone includes a silicon substrate defining an opening, a diaphragm supported above the substrate, a backplate opposite to the diaphragm for forming a capacitor together with the diaphragm. The diaphragm includes a central vibrating portion and a plurality of arms extending from an edge of the vibrating portion. Each of the arms includes a first end connecting to the edge of the vibrating portion and a linking portion extending along a path having the same outline as that of the vibrating portion. | 07-01-2010 |
| 20100124343 | CONDENSER MICROPHONE - A condenser microphone is disclosed. The condenser microphone includes a substrate having a cavity, a supporting member connected to the substrate, and a diaphragm isolated to the supporting member. The supporting member has a periphery portion and a plurality of stationary electrodes extending from the periphery portion to a center of the supporting member. The diaphragm has a vibrating member and a sustaining member connected to the vibrating member and the vibrating member defines a plurality of movable electrodes protruding from a periphery of the vibrating member. Each of the movable electrodes is located between two adjacent stationary electrodes and each of the stationary electrodes is located between two adjacent two movable electrodes. | 05-20-2010 |
| 20100080405 | SILICON CONDENSER MICROPHONE PACKAGE - A silicon condenser microphone package includes a printed circuit board, a cover mounted on the printed circuit board, and a transducer unit and a controlling circuit both attached to the printed circuit board. An inner board is located in the cover. The sensitivity and frequency response of the silicon condenser microphone package is desirable. | 04-01-2010 |
| 20100033045 | VIBRATING MOTOR - A vibrating motor includes a base having a bearing mounting section, a magnet mounted on the base, a shaft assembled with the bearing mounting section, a pair of brushes located on the base and a rotor rotably supported by the shaft. Each of the brushes has a first contacting portion and a second contacting portion. The rotor includes a commutator facing the brushes. The commutator defines a plurality of segments. A gap is defined between two adjacent segments and extends along radial direction of the commutator. A connecting line connecting the first and second contacting portions is not through the shaft. | 02-11-2010 |
