Industrial Technology Research Institute

Tsinghua University

National Taiwan University

Chang-Ho Liou

Ming-Daw Chen

Kuo-Hua Tseng

Kuan-Wei Chen

Yan-Rung Lin

Wen-Ching Ko

Yu-Min Lin

Yu-Wei Huang

Rong-Shen Lee

Yi-Jen Chan

Chang-Yi Chen

Chih-Kung Lee

Hsin-Fei Meng

Sheng-Fu Horng

Dar-Ming Chiang

Jan-Ruei Lin

Jyun-Kai Ciou

Chang-Cheng Lin

Chia-Pao Chang

Che-Yuan Sun

Yan-Chen Liu

Yu-Lin Lee

Jui-Yiao Su

Jen-Chun Wang

Ming-Kun Lee

Ing-Yih Leu

Chien-Kai Tseng

Bou-Chi Chang

Hsin-Mao Huang

Yun-Ru Hong

Kun-Chia Wu

Winny Wang

Che-I Kao

Wei-Chung Lee

A pressure array sensor module, comprising an array electrode board, a plurality of pressure sensing elements, at least one first conductive structure and at least one second conductive structure is provided. The array electrode board comprises a substrate and an electrode array disposed on the substrate and having a first electrode pattern and a second electrode pattern. Each pressure sensing element is disposed at a sensing position on the array electrode board, and comprises a top electrode layer, a bottom electrode layer and at least one pressure sensing layer disposed between the top electrode layer and the bottom electrode layer. The top electrode layer has a first lead. The bottom electrode layer has a second lead. The first conductive structure electrically connects the first lead and the corresponding first electrode pattern. The second conductive structure electrically connects the second lead and the corresponding second electrode pattern.

Pressure array sensor module 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.

Physiological signals sensing structure, stethoscope therewith and manufacturing method thereof

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.

Readout apparatus and driving method for sensor

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.

Light detecting array structure and light detecting module

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.

Electroacoustic apparatus with optical energy conversion function

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.

Electrical property measuring apparatus for pressure sensor and measuring method thereof

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.

Flat speaker unit and speaker device therewith

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.

Flat speaker structure

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.

Driving interface device adaptive to a flat speaker

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).

Electret diaphragm and speaker using the same

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.

Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker

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.

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.

Flat loudspeaker structure

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.

Method of manufacturing speaker

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.

Growing community of inventors

Changhua County, Taiwan

Chang-Ho Liou