Abstract: Embodiments of the present invention are directed to methods and systems for generating and revoking, as well as validating, certificates used to protect communications within networks while maintaining privacy protection. In the context of a method, certificate generation and revocation with privacy preservation comprises determining a secret value to be used by a certificate authority and an entity; constructing a key tree based on the secret value, wherein the leaves of the key tree represent derived keys for the certificates for the entity; and generating certificates for the entity based in part on the key tree leaves. The method further comprises determining that one or more of the certificates should be revoked; determining a minimum key node set that covers the certificates to be revoked; adding the minimum key node set to a certificate revocation list; and providing the certificate revocation list to one or more entities. Corresponding apparatuses and computer program products are also provided.

Abstract: A method of flattening surface of conductive structure including a substrate, a dielectric layer on the substrate, and a conductive line formed in the dielectric layer is provided. A surface of the conductive line has a recess. A cover layer is formed on the substrate. A mechanical polishing process is performed to remove a portion of the cover layer. A remaining cover layer fills and levels the recess.

Abstract: A substrate structure applied in flexible devices is provided. The substrate structure includes a carrier; a release layer with a first area formed on the carrier, which has a first adhesion force to the carrier; and a flexible substrate with a second area overlying part of the first area of the release layer and contacting the carrier, which has a second adhesion force to the release layer and a third adhesion force to the carrier, wherein the first area is larger than or equal to the second area, the third adhesion force is greater than the first adhesion force, and the first adhesion force is greater than the second adhesion force.

Abstract: A touch sensing and feedback apparatus comprises a feedback electrode, a reference electrode electrically insulated from the feedback electrode, a signal generator to generate a sensing driving signal and transmit the sensing driving signal to a sensing electrode, and a signal detector coupled to a detecting electrode to detect the sensing driving signal and generate a touch action signal based on the detected sensing driving signal. The signal generator generates a feedback driving signal and transmits the feedback driving signal to the feedback electrode based on the touch action signal, and generates a reference driving signal and transmits the reference driving signal to the reference electrode based on the touch action signal. The reference driving signal maintains the reference electrode electrically-grounded.

Abstract: A tunable capacitor includes a substrate, a movable member, a first capacitive plate, a second capacitive plate, a third capacitive plate and a set of electrode plates. The movable member is disposed on the substrate. The movable member is adapted for moving away or toward the substrate to have a first position and a second position, respectively. The first capacitive plate is disposed on the movable member and faces the substrate. The second capacitive plate and the third capacitive plate are disposed on the substrate and face the first capacitive plate. The set of electrode plates, disposed on the substrate, faces the at least one movable member. The set of electrode plates, driven by an electrical voltage, generates electrostatic force causing the movable member to be drawn from the first position to the second position thereof to correspondingly adjust capacitance between the capacitive plates.

Abstract: A voice control method is provided. At least one object name-action prompt correspondence document is received and processed into an object name-action prompt correspondence document set that defines at least one object name and at least one corresponding action prompt. The object name-action prompt correspondence document set is processed to establish an object name-action prompt correspondence list. A voice is recognized as one or multiple voice recognition results to generate one or multiple corresponding candidate object names. At least one corresponding candidate action prompt is outputted according to the candidate object name(s) and the object name-action prompt correspondence list. A selected action prompt is received, and a module providing the selected action prompt is requested to execute an operation.

Abstract: According to one exemplary embodiment of a method of bandwidth aggregation for radio accessing on multi-networks, a UE on a first network and a network device supporting the first network and a second network exchange or set one second network information of each other. At least one first network dedicated channel is established between the UE and the network device. According to the information of the at least one first network dedicated channel, the UE and the network device may use the first and the second networks to transmit at least one packet belonging to the at least one first network dedicated channel.

Abstract: The disclosure provides a solar cell encapsulating module including a first substrate, a first encapsulating material layer, a metal particle layer, multiple solar cells, a routing layer, a second encapsulating material layer and a second substrate. The first substrate is formed from a light transmittance material. The first encapsulating material layer is formed on the first substrate. The metal particle layer is formed on the first encapsulating material layer. The solar cells are disposed on the metal particle layer. The routing layer is disposed on the solar cells for being electrically connected to the plurality of solar cells. The second encapsulating material layer is formed on the routing layer. The second substrate is disposed on the second encapsulating material layer. The routing layer is disposed on only one side of the solar cells.

Abstract: A photoacoustic detector, a photoacoustic board and a detector using the photoacoustic board are provided. The photoacoustic detector includes a X-ray transmitter, a X-ray receiver, a light module and an ultrasonic module. The X-ray transmitter is configured to transmit a X-ray to irradiate the object. The X-ray receiver is configured to receive an image beam generated after the object is irradiated by the X-ray. The light module is configured to provide light for illuminating the object to generate a first sonic wave signal. The sonic module is configured to receive the first sonic wave signal, transmit an sonic wave toward the object, and receive a second sonic wave signal generated after the object is interacted with the sonic wave. Therefore, a X-ray image, an ultrasonic image and a photoacoustic image are obtained via the photoacoustic detector.

Abstract: Apparatus for positioning geometric model, which comprises: a machine tool; a control unit, electrically coupled to the machine tool; a storage unit, electrically coupled to the control unit; a positioning module, electrically coupled to the storage unit; a virtual target geometry module, electrically coupled to the positioning module; and a virtual machine tool module, electrically and respectively coupled to the virtual target geometry module and the positioning module.

Abstract: Disclosed is an organic light emitting diode (OLED), including a flexible substrate having a surface with a bulge and groove structure. The OLED also includes a first electrode on the flexible substrate, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer. The flexible substrate includes polyimide.

Abstract: An embodiment disclosing a wireless indoor localization system based on inertial measurement unit (IMU) and map information, including at least a mobile wireless signal transceiving device able to compute, with each including at least a wireless signal transceiver and at least an IMU for collecting environmental information measured by mobile device; at least two fixed wireless signal transceiving devices, configured to provide wireless signal for positioning or wireless signal observation; at least a wireless signal observation device, configured to observe signal strength of fixed signal transceiving devices; at least a training database, configured to store at least a standard comparison information; at least a map information, including indoor spatial description, configured to assist in determining feasibility of movement at continuous time; and at least a computing core unit, configured to compute positioning result based on collected information during training and positioning phases, and comparison wi

Abstract: A thermoelectric generator (TEG) including a cooling element, a heat-collection element and at least one thermoelectric generating module is provided. The heat-collection element is disposed at a side of the cooling element, wherein the heat-collection element has a first surface and a second surface opposite to the first surface, and the heat-collection element is suitable for facing a thermal radiation source with the first surface so as to receive thermal energy thereof in a predetermined distance without contacting the thermal radiation source. The thermoelectric generating module is disposed between the second surface of the heat-collection element and the cooling element, wherein the emissivity of the heat-collection element is larger than 0.8. A thermoelectric generating system is also provided.

Abstract: An assembling structure includes a base, an assembling body and a fastening element. The base has a ring groove. The assembling body includes at least two first fastening portions. The fastening element is disposed inside the ring groove and can be rotatably installed on the base. The fastening element includes at least two second fastening portions. The fastening element can rotate relative to the base and has a fastening position and a releasing position. When the fastening element is at the fastening position, the two first fastening portions are fastened with the two second fastening portions respectively. When the fastening element is at the releasing position, the two first fastening portions are detached from the two second fastening portions respectively.

Abstract: A nerve guide conduit comprising a first open cover, a second open cover and a connecting portion is provided. The first open cover has a first guiding recess, a first terminal surface and a second terminal surface opposite to the first terminal surface. The first guiding recess is extended to the second terminal surface from the first terminal surface. The second open cover has a second guiding recess, a third terminal surface and a fourth terminal surface opposite to the third terminal surface. The second guiding recess is extended to the fourth terminal surface from the third terminal surface. When the first open cover covers the second open cover, the first guiding recess and the second guiding recess together provide a nerve receiving space. The connecting portion connects the first open cover and the second open cover.

Abstract: In an embodiment of the present disclosure, a liquid crystal display is provided. The liquid crystal display includes an upper substrate, a lower substrate opposite to the upper substrate, and a liquid crystal layer disposed between the upper substrate and the lower substrate, wherein the liquid crystal layer includes a first chiral compound and a second chiral compound, and the first chiral compound and the second chiral compound are enantiomeric and separated from each other.

Abstract: According to one exemplary embodiment, a method for storing and rebuilding data computes a corresponding parity after receiving an Input/Output command, and based on the parity, determines whether a final stripe corresponding to the Input/Output command is a full stripe. When the final stripe is a full stripe, a plurality of data and a parity corresponding to the Input/Output command are stored into a main hyper erase unit (HEU) in a disk storage system. When the final stripe is not a full stripe, a final parity is re-computed and written into at least two parity pages of a buffering HEU.

Abstract: An apparatus for generating a pulse train with an adjustable time interval is provided. The apparatus, being an annular optical cavity structure, includes a seed source receiving end, a pump source receiving end, an optical coupler, an optical combiner, a gain fiber, an optical path time regulator and a beam splitter. Thus, the apparatus is capable of generating a pulse train with an adjustable time interval to increase material processing quality and speed.

Abstract: A hub cooling apparatus adapted to a wind generator has a circulating fan module installed in a nosed end of a hub and a wind guiding module installed in a main shaft of a nacelle; wherein the circulating fan module is driven by the rotating hub, the wind guiding module is driven by the rotating main shaft.

Abstract: A method for selecting and establishing a device-to-device (D2D) communication path in MTC capillary network, to be executed on an MTC device, is provided, including receiving a paging request; piggybacking the paging request into a probe/beacon signal and sending said probe/beacon signal piggybacked with said paging request to an MTC gateway, when said MTC device being configured to use said MTC gateway; determining a D2D link quality and report result to an eNB connected to said MTC gateway, when receiving a probe/beacon signal without paging response from said MTC gateway; and when receiving a probe/beacon signal with paging response from said MTC gateway: setting up a D2D communication link, when said received response indicating said probe/beacon signal with paging request being accepted, or, setting up a direct cellular connection when said received response indicating said probe/beacon signal with paging request being rejected.