Abstract: An automatic detection method for a paper size is disclosed. a plurality of mark points is set on a paperweight along a paperweight direction that is different from a feeding direction. The disclosure senses a plurality of row images combining into a scan image during a paper passing between the paperweight and an image sensor, determines an edge length of the paper based on a range of the mark points covered by the paper, and determines a paper size based on the edge length. The disclosure can effectively detect the paper size without any additional sensors.

Abstract: A method for three-dimensional printing for forming a three-dimensional structure on a moving platform is provided. The three-dimensional structure includes a shell portion and a foamy filling portion. The method includes the following: a digital shell model of the three-dimensional structure is built. Next, the digital shell model is sliced into a plurality of cross-section information. Next, a corresponding liquid forming material is cured on the moving platform according to the cross-section information to form a plurality of shell layers. Next, foaming process is performed on the liquid forming material to form a foamy forming material. Next, the foamy forming material located within the corresponding shell layers is cured to form a plurality of foamy filling layers. Afterward, the shell layers and the foamy filling layers are alternately formed on the moving platform and stacked to form the three-dimensional structure. A three-dimensional printing apparatus adopting the method is also provided.

Abstract: A three dimensional printing method and a three dimensional printing apparatus are provided. Layer information of a three dimensional object is obtained, wherein the three dimensional object includes at least one layer object and the layer information includes a plurality of coordinate point locations of the at least one layer object. A geometry parameter is calculated according to the coordinate point locations, and whether the layer object includes at least one small-area object is determined according to the geometry parameter. If the layer object includes the at least one small-area object, a feed-material output amount associated with the small-area object is reduced. A printing module is controlled to print the small-area object according to the reduced feed-material output amount.

Abstract: A method for processing printing information of a powder-bed type 3D printer is disclosed. The method comprises following steps of: generating a color image and an adhesive image for each printing slice in accordance with a 3D file; adjusting adhesive information of the adhesive image based on color information of the color image; and, generating a final printing image based on the color image and the adjusted adhesive image. The method prevents the 3D printing from jetting adhesive that may overlap with jetted colored ink by using the final printing image, so as to avoid the jetted color-ink being diluted by the adhesive, and powders being moist because of the overlap of the colored ink and the adhesive.

Abstract: The disclosure provides a printing layer trimming method and an electronic device using the same. The printing layer trimming method is suitable for the electronic device and includes steps as follows. An original layer is converted into a first printing layer. At least one data region of the first printing layer is identified to identify at least one blank region of the first printing layer. Then, the blank region of the first printing layer is trimmed off The trimmed first printing layer is further converted into a print head signal data and provided to a printing device to print a corresponding three-dimensional structure. The disclosure also provides another printing layer trimming method and an electronic device using the same for trimming a second printing layer generated according to a print head signal data and providing the second printing layer to a printing device to print a corresponding three-dimensional structure.

Abstract: A three-dimensional printing apparatus and a method for calibrating printing inaccuracy thereof are provided. A printing head of the three-dimensional printing apparatus is adapted for moving along a straight printing path on a datum plane and simultaneously feeding out forming material, so as to generate a layer object on a supporting surface of a platform. If a path distance of the straight printing path is greater than a threshold, a plurality of linear compensation relationships respectively corresponding to a plurality of first zones of the supporting surface are used for calculating a first compensation value of a starting point and a second compensation value of an ending point. If the path distance of the straight printing path is not greater than the threshold, a common compensation values is decided based on at least one of second zones and which is corresponding to the starting point and the ending point.

Abstract: A method for obtaining care information, a method for sharing care information, and an electronic apparatus therefor are provided. The method for obtaining care information includes following steps: obtaining face data of a current user from an image capturing equipment and obtaining initial skin information of the face data. classifying the current user into one of a plurality of groups according to the initial skin information by a cloud database; setting a predetermined time period and a skin-condition goal by the electronic apparatus; and obtaining a skin-achievement history of an another user in the group containing the current user according to the initial skin information, the predetermined time period and the skin-condition goal by the electronic apparatus. The skin-achievement history is care information regarding the skin-condition goal achieved by the another user under circumstances of the approximate initial skin information and the approximate predetermined time period.

Abstract: A three-dimensional printing apparatus and a method of compensating a coordinate offset of a nozzle are provided. The method includes the following. A first nozzle and a second nozzle are controlled to print a testing three-dimensional object on a platform according to a calibration model. The testing three-dimensional object includes a plurality of correlation structures respectively corresponding to a plurality of compensation parameters, and each correlation structure includes a first sub-structure and a second sub-structure. The first sub-structure is formed of a first forming material, and the second sub-structure is formed of a second forming material. Through observing a joint level between the first sub-structure and the second sub-structure of each correlation structure, a best correlation structure, which is used for performing compensation on a printing coordinate of the first nozzle or the second nozzle, is selected from the correlation structures.

Abstract: A data generating method is implemented by a computing system for three-dimensional (3D) printing, and includes the steps of receiving a 3D graphic file and a printing profile containing printing parameters associated with 3D printing for the 3D graphic file; recording a correspondence between the 3D graphic file and the printing profile; and combining the 3D graphic file and the printing profile according to the recorded correspondence to generate a printing data file.

Abstract: A temperature control method of printing and a device thereof are provided, wherein the method and the device is adapted to a 3D printer which has a discharge nozzle. The control method includes the following steps. A temperature rule table is provided, and the temperature rule table is formed by a printing speed parameter and a discharge speed parameter of the 3D printer. At least one printing speed information and at least one discharge speed information are received. Corresponding temperature information is obtained from the temperature rule table according to the printing speed information and the discharge speed information. Further, a temperature of the discharge nozzle is adjusted according to the printing speed information, the discharge speed and the at least one temperature information.

Abstract: A method for assisting positioning and a movable electronic device thereof are provided. The method is adapted to the movable electronic device moving within a region. In the method, the region is divided into multiple sub-regions. When the movable electronic device enters a first sub-region among the sub-regions, at least one wireless signal emitted by at least one signal emitting source is received by the movable electronic device, so as to calculate first location information associated with the first sub-region according to the at least one wireless signal. Then, a reliability of the first sub-region is generated and recorded according to a signal reception condition of the at least one wireless signal.

Abstract: A 3-D printing apparatus includes a frame, a tank, an automatic-filling module and a control unit. The tank is disposed in the frame and contains a liquid-forming material. The automatic-filling module includes a sensing unit, a reservoir, a filling pipe and a pressuring unit. The sensing unit detects a liquid level of the tank. The reservoir stores the liquid-forming material. The filling pipe connects to the reservoir and includes an outlet. A maximum liquid level of the liquid-forming material in the reservoir is lower than or equal to a level of the outlet. A gap exists between the outlet and a top edge of the tank. The pressuring unit provides a positive pressure to the reservoir so that the liquid-forming material in the reservoir flows to the tank. The control unit determines whether the pressuring unit provides the positive pressure to the reservoir according to the liquid level.

Abstract: A face cleaning apparatus includes a brush head, a case, a transmission shaft, and an eccentric wheel module. The case has a throughhole. The transmission shaft is disposed within the case and has a shaft body having an oscillating end and a protrusion extending along an axial surface. The oscillating end is disposed axially through the throughhole and connected to the brush head. The eccentric wheel module is disposed within the case and includes a motor and an eccentric wheel rotated by the motor. The protrusion is pressed against a side of the eccentric wheel and reciprocates following rotation of the eccentric wheel such that the oscillating end is driven to oscillate with respect to the case. Therefore, the face cleaning apparatus has the advantages of low vibration, low noise, increased battery life, and simple assembly.

Abstract: A method for detecting a characteristic of a forming material and a three-dimensional printing apparatus are provided. The three-dimensional printing apparatus includes a tank filled with a liquid forming material, and the method includes the following. The tank is controlled to swing to cause a wave motion on a liquid surface of the liquid forming material. The wave motion of the liquid forming material is detected to obtain detection waveform information. The detection waveform information and sample waveform information are compared with each other to obtain a characteristic comparison result. A predefined operation is executed according to the characteristic comparison result.

Abstract: A textile structure adapted to be electrically connected to an electronic device is provided. The textile structure includes a first fabric layer, a second fabric layer, and a third fabric layer. The second fabric layer is electrically conductive. The first, the second, and the third fabric layers are combined with each other, and the second fabric layer is located between the first and the third fabric layers. The third fabric layer has an opening covered by the second fabric layer, and a portion of the second fabric layer is exposed from the third fabric layer through the opening. The electronic device is electrically connected to the second fabric layer, and a junction between the electronic device and the second fabric layer is far away from the opening.

Abstract: A printing head module including a body, a feeding roller assembly and a feeding sensor is provided. The body includes a material-supplying channel and a nozzle connected to the material-supplying channel. The feeding roller assembly is disposed at the material-supplying channel to transmit the modeling material to the nozzle. The feeding sensor is disposed at the feeding roller assembly to detect whether the feeding roller assembly rotates. The feeding sensor is coupled to a control unit, such that the control unit generates a notice according to a detection result of the feeding sensor.

Abstract: A printing method using a low melting-point material is disclosed. The method first controls a nozzle of a 3D printer to move to a position corresponding to an internal-contour of a 3D model for printing the internal-contour upon a printing platform, then controls the nozzle to move to other position corresponding to an exterior-contour of the 3D model for printing the exterior-contour. After completing the exterior-contour, the method controls the nozzle to move inwardly to leave away from the exterior-contour, and then changes a related position between the nozzle and the printing platform upon z-axis for a next printing-layer. The method prevents a drooling event of the low melting-point material occurs at the exterior-contour and destroys an appearance of the 3D model.

Abstract: A lens module including a base, a lens, a front cover, at least a shielding plate and a gasket is provided. The lens is disposed within the base. The front cover is disposed over the base and the lens, and the base and the front cover may rotate relatively. The shielding plate is pivoted on the base and has a first guide portion. The gasket is fixed on the front cover, the shielding plate is located between the gasket and the base. The gasket has a through hole corresponding to the lens and a second guide portion coupled to the first guide portion. When the base and the front cover rotate relatively, the first guide portion is guided by the second guide portion, the shielding plate can limitedly swing to move to the through hole to cover the lens or move away from the through hole to expose the lens.

Abstract: A printing method for a 3D printer is present. After opening a 3D model, the method divides the 3D model into several area objects which are separately corresponding to different areas of the 3D model being formed on a forming platform of the printer. When executing printing procedures, the method firstly determines a lowest area object of the several unfinished area objects. Then, a nozzle array of the 3D printer is controlled to move to upon an area according to the determined area object, and to jet ink upon the area for stacking the determined area object. After the determined area object is stacked completely, the nozzle array is then controlled to move to other area and stack other area object.

Abstract: A wire fusing apparatus including a first body having a first surface, a second body having a second surface, and a heating unit is provided. The second body is pivoted to the first body to rotate relatively to the first body enabling the first and second bodies to be in an expanded or a closed state. When the first and second bodies are in the closed state, the first and second surfaces define a closed containing groove for containing two independent wires butt jointed with each other. The first surface, the second surface and the containing groove each has a heat-conducting region, and the heat-conducting regions contact each other when the first and second bodies are in the closed state. The heating unit disposed on the first or second body contacts one of the heat-conducting regions for heat-fusing a butt-jointing point of the wires to form a fused wire.