Patent application number | Description | Published |
20090060234 | SPEAKER STRUCTURE - A speaker structure including a single electret vibrating film structure, a single metal electrode with a plurality of holes and a frame supporting member is provided. In an example, the electret vibrating film structure is formed by an electret film layer, an ultra-thin metal thin film electrode and an isolation layer stacked together, in which the ultra-thin metal thin film electrode is located between the electret film layer and the isolation layer. In another example, the electret vibrating film structure is formed by the electret film layer and a conductive electrode layer having oxide conductive materials. The frame supporting member is located between the electret vibrating film structure and the metal electrode for forming a space for the vibration of the electret vibrating film structure, so as to generate sounds. | 03-05-2009 |
20090060249 | FLEXIBLE SPEAKER - A flexible speaker including a retractor, a flexible speaker panel, and at least one support element is provided. The flexible speaker panel is connected to the retractor, and is capable of being rolled up and received in the retractor. The support element, capable of memorizing shape, is disposed on the flexible speaker. The support element is used for being rolled up and received in the retractor, together with the flexible speaker. When the flexible speaker panel is spread from the retractor, the support element supports the flexible speaker and keeps the flexible speaker panel being steady in a spread state, and the size of the spread region is determined by the user. | 03-05-2009 |
20090067648 | STRUCTURE AND MANUFACTRURING METHOD OF ELECTROSTATIC SPEAKER - A structure of an electrostatic speaker and a manufacturing method thereof are provided. In the electrostatic speaker, an electrode and a vibrating film are disposed closely, and electrostatic force of the vibrating film may make the vibrating film contacting with the electrode such that the speaker would fail to generate the sound. Thus, the invention provides a spacer structure and a manufacturing method thereof. Various patterning or height changes and other designed are performed to place the spacer between the electrode and the vibrating film, so as to prevent the electrode from contacting with the vibrating film. The disposition of the spacer is expected to enhance frequency response or sound volume of the speaker. | 03-12-2009 |
20100024198 | METHODS OF MAKING SPEAKERS - A method of making a speaker may be performed partially or completely in a roll-based processing. The method includes: providing an electrode; providing a membrane; forming a conductive layer on the membrane; forming a plurality of first supporting members on one of the electrode and the membrane; providing a substrate; forming a plurality of second supporting members on one of the substrate and the membrane; and combining the electrode, the membrane, and the substrate to provide a first chamber between the electrode and membrane and to provide a second chamber between the membrane and the substrate. | 02-04-2010 |
20100027814 | SPEAKER DEVICES - A speaker device may include a substrate, a membrane above the substrate, and an electrode above the membrane, a plurality of first supporting members, and a plurality of second supporting members. The second chamber is enclosed between the membrane and the substrate, and the first chamber is enclosed between the electrode and the membrane. The first supporting members are provided in the first chamber space and may space the membrane apart from the electrode. The second supporting members are provided in the second chamber space and may space the membrane apart from the substrate. | 02-04-2010 |
20100034402 | ELECTRODE CONNECTION STRUCTURE OF SPEAKER UNIT - An electrode connection structure of a speaker unit is provided. The speaker unit includes at least one electrode layer, which is made of a conductive material, or made of a non-conductive material with a conductive layer formed on a surface thereof. The electrode connection structure includes a conductive electrode and an adhesive material. The conductive electrode is used for providing power supply signals for the speaker unit to generate sounds. The adhesive material adheres the conductive electrode in parallel with a surface of the electrode layer. The adhesive material has adhesive characteristics, so as to electrically connect the conductive electrode and the electrode layer, in which the adhesive material is adhered to a side of the surface of the electrode layer closely adjacent to the conductive electrode with a certain area. | 02-11-2010 |
20100104116 | FLAT SPEAKER UNIT AND SPEAKER DEVICE THEREWITH - A reliable flat speaker unit and a speaker device with the same are provided herein. A conductive electrode of a vibrating membrane of the speaker unit is disposed on both utmost sides of the speaker unit to isolate the speaker unit from environmental moisture, which can significantly improve the reliance of the speaker device. A barrier layer can optionally be disposed on the external side of the conductive electrode to further isolating the speaker unit from moisture, which can improve the reliance and the lifetime of the speaker device. In an embodiment, at least a getter is disposed inside the flat speaker unit to absorb moisture therein. The speaker unit at least includes a electret vibrating membrane with a conductive electrode, a plurality of supporting members, and a electrode structure with a plurality of holes. | 04-29-2010 |
20100158284 | ASSEMBLY STRUCTURE OF A FLAT SPEAKER - An assembly structure of flat speaker including at least two speaker units and one connecting structure is provided. Each speaker unit includes a first electrode, a vibrating film, and a second electrode. The connecting structure includes two conductive layers, and a first insulating layer. A first conductive layer is connected the first electrode through a contact area, and each has a first length and a third length parallel to the contact area. A second conductive layer is connected the second electrode through a contact area, and each has a second length and a fourth, a fifth length parallel to the contact area. The third length is less than or equal to a sum of the first lengths of the speaker units. A sum of the third, the fourth, and the fifth length is less than or equal to a sum of the first and second lengths. | 06-24-2010 |
20100166230 | FLAT SPEAKER STRUCTURE AND DEVICE - A solar flat speaker structure including a flat speaker and a solar cell is provided. The flat speaker includes a chamber substrate, a diaphragm and an upper electrode; the solar cell includes a substrate, and the flat speaker is disposed on a surface of the substrate of the solar cell, so that solar power absorbed by the solar cell is converted to electricity and provided to the flat speaker. A speaker device including at least a flat speaker, a solar cell or the above solar flat speaker structure and an integrator is also provided. The integrator includes at least an audio decoder, a radio frequency receiver, a speaker amplifier, a display and a power manager. The speaker device is expanded using a folding method or a scrolling method. | 07-01-2010 |
20100208932 | MULTI-DIRECTIONAL FLAT SPEAKER DEVICE - A multi-directional flat speaker device is disclosed. By the directional characteristics of a plurality of flat speakers of the flat speaker device, accompanying with mechanism to actuate each of the plurality of flat speakers independently rotating to its desired direction, a composite sound field is generated as desired accordingly. The design makes the applications of the flat speaker device more suitable to meet the requirement of future utilizations. The mechanism to actuate the plurality of flat speakers can be achieved by controlling one or more of the flat speakers to rotate in a unique manner. The mechanism can control a facing angle of any one of the plurality of flat speakers independently. The mechanism can be designed by mechanical or electrical controlling manner. | 08-19-2010 |
20100260370 | FLAT SPEAKER STRUCTURE - A speaker structure includes a membrane, an electrode which has a plurality of holes, a frame holding member and at least one set of supporting members. The frame holding member forms an exterior shape of the speaker structure and holds the membrane and the electrode at two opposite sides. Each of the set of the supporting members has a geometric structure and is placed in a space opposite to a soniferous hole region between the electrode and the membrane, so as to prevent the membrane and the electrode from contacting. | 10-14-2010 |
20110033079 | FLAT LOUDSPEAKER STRUCTURE - A flat loudspeaker structure is provided. A conductive electrode of a vibrating membrane of a flat speaker unit is disposed on both utmost sides of the flat speaker unit, so as to improve reliability of the flat speaker unit. The utmost conductive electrodes of the flat speaker unit are further grounded to achieve the EMI preventing function and/or thereby prevent a user from a risk of contacting high voltages. The flat speaker unit at least includes a pair of vibrating membranes each having the conductive electrode, a plurality of supporting members, a perforated electrode structure with a plurality of holes, and an insulator layer. | 02-10-2011 |
20110146056 | METHOD AND DEVICE OF MANUFACTURING SPEAKER - The disclosure is related to a method and a device of manufacturing a speaker. First, a roll element is fabricated by a roll-based manufacturing process and by using a material feeder, and the roll element is cut into many sheet elements by using a cutter. An inserting device is used to insert the sheet elements into a temporary storage device, and an extracting device is used to extract the sheet elements from the temporary storage device and place the sheet elements on another roll element fabricated by another roll-based manufacturing process and by using another material feeder. The sheet elements and the other roll element are combined. The roll elements and sheet elements may be vibrating membranes and porous electrodes of a flat speaker. | 06-23-2011 |
20110216921 | FLAT SPEAKER APPARATUS WITH HEAT DISSIPATING STRUCTURE AND METHOD FOR HEAT DISSIPATION OF FLAT SPEAKER - A flat speaker apparatus including a driving circuit module, a flat speaker and a thermally conductive connector, and with a heat dissipating structure is introduced. The flat speaker includes a porous electrode and a vibrating film. The porous electrode causes the vibrating film to vibrate according to an audio signal output from the driving circuit module for generating sound. The thermally conductive connector connects the driving circuit module and the flat speaker to conduct heat from the driving module to the flat speaker for dissipation. A method for heat dissipation of the flat speaker is also introduced herein. | 09-08-2011 |
20110255719 | ELECTROACOUSTIC APPARATUS WITH OPTICAL ENERGY CONVERSION FUNCTION - An electroacoustic apparatus with an optical energy conversion function is provided. The electroacoustic apparatus includes an optical energy converter for converting optical energy into electrical power. The electroacoustic apparatus further includes a signal generator and a flat speaker. The signal generator receives a signal from a sound source and generates a sound signal according to the received signal. The signal generator sends the sound signal to the flat speaker, and the flat speaker makes a sound according to the sound signal. Aforementioned operations are all performed by using the electrical power generated by the optical energy converter or a power stored therein. | 10-20-2011 |
20110255720 | ELECTRET DIAPHRAGM AND SPEAKER USING THE SAME - An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA). | 10-20-2011 |
20110255721 | FLAT SPEAKER UNIT AND SPEAKER DEVICE THEREWITH - A flat speaker unit is provided herein. The flat speaker unit includes a first porous electrode, a second porous electrode, and a vibrating membrane with an electret layer disposed there between. In one embodiment, a plurality of supporting members may be configured between the vibrating membrane and the first porous electrode, or between the vibrating membrane and the second porous electrode. In one embodiment, a flat speaker device is provided with at least two flat speaker unit stacked together. By electrically connecting two ends of a signal source respectively to the first and second porous electrodes, or, in another embodiment, electrically connecting one end of the signal source to both of the first and second porous electrodes and connecting another end of the signal source to the vibrating membrane, a sound with low THD is generated accordingly from the flat speaker unit. | 10-20-2011 |
20120106761 | DRIVING INTERFACE DEVICE ADAPTIVE TO A FLAT SPEAKER - A driving interface device adaptive to a flat speaker is introduced herein. The driving interface device is coupled with an external sound source for receiving sound signals, and boosts voltage levels of the sound signals to drive the thin flat speaker without using an external power source. In one embodiment, an impedance component is provided in the driving interface device for coupling to the external sound source, so as to drive the flat speaker. | 05-03-2012 |
20120272517 | DEVICE OF MANUFACTURING SPEAKER - The disclosure is related to a method and a device of manufacturing a speaker. First, a roll element is fabricated by a roll-based manufacturing process and by using a material feeder, and the roll element is cut into many sheet elements by using a cutter. An inserting device is used to insert the sheet elements into a temporary storage device, and an extracting device is used to extract the sheet elements from the temporary storage device and place the sheet elements on another roll element fabricated by another roll-based manufacturing process and by using another material feeder. The sheet elements and the other roll element are combined. The roll elements and sheet elements may be vibrating membranes and porous electrodes of a flat speaker. | 11-01-2012 |
20120321108 | ELECTRODE CONNECTION STRUCTURE OF SPEAKER UNIT - An electrode connection structure of a speaker unit is provided. The speaker unit includes at least one electrode layer, which is made of a conductive material, or made of a non-conductive material with a conductive layer formed on a surface thereof. The electrode connection structure includes a conductive electrode and an adhesive material. The conductive electrode is used for providing power supply signals for the speaker unit to generate sounds. The adhesive material adheres the conductive electrode in parallel with a surface of the electrode layer. The adhesive material has adhesive characteristics, so as to electrically connect the conductive electrode and the electrode layer, in which the adhesive material is adhered to a side of the surface of the electrode layer closely adjacent to the conductive electrode with a certain area. | 12-20-2012 |
20130042702 | FORCE SENSOR AND MEASURING METHOD OF RESISTANCE VARIATION THEREOF - A force sensor and a measuring method of resistance variation thereof are provided. The force sensor includes a first substrate, multiple first electrodes, a second substrate, multiple second electrodes, and a piezoresistive layer. The first electrodes are disposed on the first substrate while the second electrodes facing the first electrodes are disposed on the second substrate. The multiple second electrodes are electrically isolated to each other. Orthogonal projections of the two adjacent second electrodes respectively overlap the corresponding first electrode. The piezoresistive layer is located between the first and the second electrodes and disposed on at least one kind of the first and the second electrodes. | 02-21-2013 |
20130088247 | READOUT APPARATUS AND READOUT METHOD FOR SENSOR ARRAY - A readout apparatus and a readout method for a sensor array are provided. The readout apparatus includes a switching circuit, a control unit, a gain circuit and an offset compensating circuit. The control unit controls the switching circuit to perform a switching operation for selecting a target sensor from a plurality of sensors of the sensor array. The gain circuit selectively senses the target sensor according the switching operation of the switching circuit, and gains the sensing result to output a gained sensing value of the target sensor. The control unit further dynamically decides a compensating value according the switching operation. The offset compensating circuit adjusts the gained sensing value for outputting a compensated sensing value of the target sensor in accordance with the compensating value. | 04-11-2013 |
20130167651 | ELECTRICAL PROPERTY MEASURING APPARATUS FOR PRESSURE SENSOR AND MEASURING METHOD THEREOF - An electrical property measuring apparatus for pressure sensor includes a first plate, a second plate, an object to be measured, an electrical property measuring unit used for measuring the electrical properties of the object, and a fluid supplying system. The second plate is opened or closed relative to the first plate. The object is disposed between the first plate and the second plate. The fluid supplying system connects to a space formed by the first plate and a pressed surface or a space formed by the second plate and a pressed surface. The fluid supplying system provides a fluid to the space such that the fluid presses on the object and the electrical property measuring unit measures the electrical properties of the object. A method of measuring electrical property for pressure sensor is also provided. | 07-04-2013 |
20130168643 | LIGHT DETECTING ARRAY STRUCTURE AND LIGHT DETECTING MODULE - A light detecting array structure and a light detecting module are provided. The light detecting array structure includes a plurality of first electrodes, a plurality of second electrodes, a first carrier selective layer, a second carrier selective layer, and a light-absorbing active layer. The second electrodes are disposed on one side of the first electrodes. Between the first electrodes and the second electrodes, a first carrier selective layer, a light-absorbing active layer and a second carrier selective layer are disposed. The light detecting module includes the light detecting array structure and a control unit. The control unit is coupled to the first electrodes and second electrodes, selectively provides at least two cross voltages between each of the first electrodes and each of the second electrodes, and reads photocurrents flowing through the first electrodes and second electrodes. | 07-04-2013 |
20130310709 | PHYSIOLOGICAL SIGNALS SENSING STRUCTURE, STETHOSCOPE THEREWITH AND MANUFACTURING METHOD THEREOF - A physiological signal sensing structure, a stethoscope therewith, and a manufacturing method thereof are provided. The sensing structure for physiological signals includes a flexible substrate, a piezoelectric sensing structure and a damping structure. The piezoelectric sensing structure is disposed over the flexible substrate, and includes a first surface and a second surface. The second surface of the piezoelectric sensing structure faces the flexible substrate. The piezoelectric sensing structure is an arc with a curvature, and the first surface thereof may face outward. The damping structure may be disposed between the flexible substrate and the piezoelectric sensing structure. In an embodiment, a further amplifying structure is disposed over the first surface of the piezoelectric sensing structure and contacts or does not contact a top region of the first surface. | 11-21-2013 |
20140021969 | READOUT APPARATUS AND DRIVING METHOD FOR SENSOR - A readout apparatus and a driving method for sensor are provided. The readout apparatus includes an adjustable bias unit, a sensor unit, a signal converting unit, a checking unit and a control unit. The sensor unit senses physical energy and outputs a sensing result by using a bias voltage outputted from the adjustable bias unit. The control unit controls the adjustable bias unit according to the sensing result, so as to adjust the bias voltage. Therefore, the readout apparatus can reduce continuous power loss caused by long-term detection. | 01-23-2014 |
20140130593 | PRESSURE MEASUREMENT STRUCTURE - A pressure measurement structure includes a first substrate, a second substrate, a first electrode layer, a second electrode layer, at least a piezoresistive layer and a wiring layer. The second substrate faces towards the first substrate. The first electrode layer is disposed on the first substrate and faces towards the second substrate. The second electrode layer is disposed on the second substrate and faces towards the first electrode layer. At least a piezoresistive layer is located between the first electrode layer and the second electrode layer. A wiring layer is disposed on the second substrate and back to the first substrate. The wiring layer includes multiple wires. Part of the wires are electrically connected to the first electrode layer. The other part of the wires are electrically connected to the second electrode layer. | 05-15-2014 |
20140369008 | FLEXIBLE ELECTRONIC COMPONENT MODULE - A flexible electronic component module includes a first substrate and a second substrate. The first substrate overlaps the second substrate to define at least one first exposed portion and at least one second exposed portion. The at least one first exposed portion includes a first electrode layer and the at least one second exposed portion includes a second electrode layer. The first electrode layer is disposed on a lower surface of the first substrate and the second electronic layer is disposed on an upper surface of the second substrate. | 12-18-2014 |