Abstract: The disclosure provides a graphene electrode, an energy storage device employing the same, and a method for fabricating the same. The graphene electrode includes a metal foil, a non-doped graphene layer, and a hetero-atom doped graphene layer. Particularly, the hetero-atom doped graphene layer is separated from the metal foil by the non-doped graphene layer.

Abstract: A mapping method is provided. The environment is scanned to obtain depth information of environmental obstacles. The image of the environment is captured to generate an image plane. The depth information of environmental obstacles is projected onto the image plane, so as to obtain projection positions. At least one feature vector is calculated from a predetermined range around each projection position. The environmental obstacle depth information and the environmental feature vector are merged to generate a sub-map at a certain time point. Sub-maps at all time points are combined to generate a map. In addition, a localization method using the map is also provided.

Abstract: A key structure includes a keycap, a scissors-type connecting element, a membrane module, a light-emitting element and a base plate. The light-emitting element is used for emitting light beams. The keycap has a protrusion structure for blocking the light beams and preventing the light beams from leaking out through the gap between said keycap and said base plate. The base plate has a slot corresponding to the protrusion structure. When the keycap is depressed, the membrane module is pressed by the protrusion structure to be subject to deformation, so that a deformed part of the membrane module is inserted into the slot of the base plate. In such way, the hand feel of depressing the keycap is not adversely affected.

Abstract: The disclosure provides a pharmaceutical composition for promoting wound healing, including an effective amount of a Sambucus plant or an Isatis plant as an active ingredient for promoting wound healing; and a pharmaceutically acceptable carrier or medium, wherein the Sambucus plant is Sambucus formosana Nakai, and the Isatis plant is Isatis indigotica Fort.

Abstract: An illumination device including a base, at least one LED light source and a first diffusing element is provided. The base has a supporting plane. The LED light source disposed on the supporting plane has a light emitting surface substantially parallel to the supporting plane. The first diffusing element disposed on the supporting plane is a hollow column surrounding the LED light source. An inner diameter width of the first diffusing element is gradually reduced outward from the base. The first diffusing element has a rough surface comprising a plurality of surface structures.

Abstract: The invention provides a meat-fat substitute, the forming composition thereof including: at least one edible gum; at least one starch; and water, wherein the at least one edible gum is present in an amount of about 0.5-20 parts by weight, the at least one starch is present in an amount of about 0.5-10 parts by weight and the water is present in an amount of about 60-99 parts by weight.

Abstract: A keyboard device includes at least one luminous key, at least one light-emitting element, a membrane switch circuit member, an opaque seal structure, and a transparent seal structure. The luminous key has a light-transmissible zone. The light-emitting element is electrically connected with the membrane switch circuit member, and disposed under the light-transmissible zone. A top surface of the light-emitting element is encapsulated by the transparent seal structure. The transparent seal structure is partially surrounded by the opaque seal structure. Consequently, the light beam from the light-emitting element is transmissible through the transparent seal structure, and directed to the light-transmissible zone.

Abstract: A positioning system and a method thereof are provided. In the positioning method, a first and a second pose information of a moving device are obtained by a first positioning device and a second positioning device respectively, wherein the first pose information corresponds to the second pose information. In addition, a plurality of first candidacy pose information is generated in an error range of the first pose information. Furthermore, a plurality of second candidacy pose information is generated according to the first pose information respectively. One of the second candidacy pose information having a smallest error derived from the second pose information is selected for updating the pose information of the first positioning device and parameter information of the second positioning device. Thereby, pose information of the moving device is updated and parameter information of the second orientation devices is calibrated simultaneously.

Abstract: A key structure includes a keycap, a scissors-type connecting element, a membrane module, a light-emitting element and a base plate. The light-emitting element is used for emitting light beams. The keycap has a protrusion structure for blocking the light beams and preventing the light beams from leaking out through the gap between said keycap and said base plate. The base plate has a slot corresponding to the protrusion structure. When the keycap is depressed, the membrane module is pressed by the protrusion structure to be subject to deformation, so that a deformed part of the membrane module is inserted into the slot of the base plate. In such way, the hand feel of depressing the keycap is not adversely affected.

Abstract: A strap mechanism for drawing an electronic device from a cage in a first direction is disclosed. The strap mechanism includes a first rail. The first rail includes a first locking part for connecting with a lateral surface of the electronic device and disposed inside the cage in a slidable manner, and a first handle part connected to an end of the first locking part. A first slot is formed on the first handle part. The strap mechanism further includes a strap. A first end of the elastic strap is inserted inside the first slot. The strap is for contacting against the first handle part so as to provide a component force in the first direction and in a second direction perpendicular to the first direction to the first handle part when a deformation of the elastic strap is generated by being pulled in the first direction.

Abstract: A method and an apparatus for estimating 3D attitude are disclosed. The method comprises following steps. A set of current angular velocity, a set of current magnetic flux and a set of acceleration of a carrier are sensed. A set of estimated attitude angles are estimated according to the set of current angular velocities, a set of history attitude angles and a motion model. A disturbance parameter is calculated according the set of current magnetic flux and a set of history magnetic flux. It is determined whether the disturbance parameter is more than a disturbance threshold or not. If yes, the set of estimated attitude angles are updated according to the set of current accelerations not the set of current magnetic flux. If not, the set of estimated attitude angles are updated according to the set of current accelerations and the set of current magnetic flux.

Abstract: The invention provides a bio-based material composition and an optical device employing the same. The composition can be a petroleum resin-free composition, including a polylactic acid resin, a filler, and a light diffusion agent. Further, the composition can be a composition with petroleum resin, including a polylactic acid resin, a petroleum resin, a light diffusion agent, and an antioxidant.

Abstract: A lens unit and a projection screen made of the same are disclosed. The lens unit includes a micro lens having a light incident surface and a light emergent surface opposing to the light incident surface; a light absorbing layer formed on the light emergent surface of the micro lens and having a cavity formed therein; a scattering layer formed in the cavity of the light absorbing layer and including a transparent resin blended with scattering particles; and a reflective layer formed on the light absorbing layer and the scattering layer. The projection screen includes a plurality of the lens units, thereby achieving high contrast and high energy utilization efficiency of incident light with a large viewing angle.

Abstract: The invention relates to a method and apparatus for predicting/alarming the moving of hidden objects. The apparatus comprises: a distance sensing unit, for obtaining a distance data detected within a specific sensing range and thus outputting the distance data; a speed sensing unit, for measuring the movement of a carrier to obtain a real-time speed data of the carrier and thus output the speed data; a control unit, for receiving and analyzing the distance data and the speed data to obtain information relating to the position of the carrier, the environment surrounding the carrier and positions of objects moving in the blind spots of the carrier, and thus to perform an evaluation based upon the aforesaid information to determine a danger level for issuing a control signal accordingly; and an alarm unit, for issuing an alarm signal according to the control signal.

Abstract: A mapping method is provided. The environment is scanned to obtain depth information of environmental obstacles. The image of the environment is captured to generate an image plane. The depth information of environmental obstacles is projected onto the image plane, so as to obtain projection positions. At least one feature vector is calculated from a predetermined range around each projection position. The environmental obstacle depth information and the environmental feature vector are merged to generate a sub-map at a certain time point. Sub-maps at all time points are combined to generate a map. In addition, a localization method using the map is also provided.

Abstract: A strap mechanism for drawing an electronic device from a cage in a first direction is disclosed. The strap mechanism includes a first rail. The first rail includes a first locking part for connecting with a lateral surface of the electronic device and disposed inside the cage in a slidable manner, and a first handle part connected to an end of the first locking part. A first slot is formed on the first handle part. The strap mechanism further includes a strap. A first end of the elastic strap is inserted inside the first slot. The strap is for contacting against the first handle part so as to provide a component force in the first direction and in a second direction perpendicular to the first direction to the first handle part when a deformation of the elastic strap is generated by being pulled in the first direction.

Abstract: A bi-stable projection screen includes a light diffusion unit and a bi-stable display unit stacked together. The bi-stable display unit, when actuated, selectively operates in a first mode or a second mode. When operating in the first mode (e.g., a transmission mode or a reflection mode), the bi-stable display unit receives a projection light from a front projection or a rear projection, and emits the projection light after modulation. When operating in the second mode (a non-transmission mode or a non-reflection mode), the bi-stable display unit is a pattern to become a part of a scene. The light diffusion unit receives and diffuses the modulated projection light to be perceived by human eyes.

Abstract: A lens unit and a projection screen made of the same are disclosed. The lens unit includes a micro lens having a light incident surface and a light emergent surface opposing to the light incident surface; a light absorbing layer formed on the light emergent surface of the micro lens and having a cavity formed therein; a scattering layer formed in the cavity of the light absorbing layer and including a transparent resin blended with scattering particles; and a reflective layer formed on the light absorbing layer and the scattering layer. The projection screen includes a plurality of the lens units, thereby achieving high contrast and high energy utilization efficiency of incident light with a large viewing angle.

Abstract: A camera with dynamic calibration and a method thereof is provided. The camera is first subject to an initial calibration. Then, a motion amount of the camera is calculated, and a plurality of motion amount estimation samples of the camera is generated according to the motion amount. Then, a weight of each of the motion amount estimation samples is calculated. Thereafter, the plurality of motion amount estimation samples is re-sampled based on the weights, and the camera is calibrated by the re-sampled estimated motion samples.

Abstract: A positioning system and a method thereof are provided. In the positioning method, a first and a second pose information of a moving device are obtained by a first positioning device and a second positioning device respectively, wherein the first pose information corresponds to the second pose information. In addition, a plurality of first candidacy pose information is generated in an error range of the first pose information. Furthermore, a plurality of second candidacy pose information is generated according to the first pose information respectively. One of the second candidacy pose information having a smallest error derived from the second pose information is selected for updating the pose information of the first positioning device and parameter information of the second positioning device. Thereby, pose information of the moving device is updated and parameter information of the second orientation devices is calibrated simultaneously.