Abstract: A 3D printing apparatus including a base plate, a transparent plate, a fluid space, a molding container, a heater, a fluid guider and a light engine is provided. The fluid space is disposed between the base plate and the transparent plate. The molding container has an accommodating space and the base plate is disposed in the accommodating space. The heater is configured to heat a fluid. The fluid guider is configured to guide the heated fluid into the fluid space. The light engine is configured to project a pixelated light on the base plate.

Abstract: The present disclosure provides an apparatus for waveguide transmission and an antenna array including the apparatus. The apparatus for waveguide transition includes a dielectric substrate, a transmission line structure, a conductor pattern for shorting a waveguide, and a plurality of vias. The transmission line structure includes a ground conductor pattern separated from a strip conductor pattern by the dielectric substrate, wherein the ground conductor pattern has a ground aperture portion. The waveguide is electrically coupled to the strip conductor pattern. The vias are electrically coupled to the ground conductor pattern and the conductor pattern for shorting the waveguide. The waveguide is connected to the dielectric substrate so as to correspond to the ground aperture portion.

Abstract: The embodiment of the present invention provides a method for a 3-D projection printing system and a system thereof, more particularly to a system adopts both ways of look-up table and interpolation method to calibrate. The embodiment of the present invention provides a portable calibration fixture system and a flexible 3-D projection printing system in order to improve calibration precision, facilitate calibration and printing operations, increase printing effect and save cost.

Abstract: The present disclosure provides an electronic system including an electronic device and an electronic tag. The electronic device includes a printed circuit board. The electronic tag includes a substrate and an antenna, wherein the substrate is disposed at a height over the printed circuit board. The substrate has a first side and a second side, wherein the first side is opposite to the second side. The antenna has a first portion and a second portion, wherein the first portion is disposed on the first side, the second portion is to disposed on the second side, and the first portion is electrically coupled to the second portion via plated through holes.

Abstract: The present disclosure provides an antenna apparatus and a circuit board thereof for an RFD device to provide wide field effect coverage. The antenna apparatus includes a housing having a concavity defined therein, a printed circuit board disposed inside the concavity of the housing, two plates respectively located on opposite side portions of the circuit board, and a metal pattern sandwiched between and wirelessly coupled to the two plates. By disposing the metal pattern at the central portion of the circuit board and sandwiched between and coupled to the two plates, the field effect is enhanced, and the sensitivity of the antenna apparatus when detecting an object passing through the field (near field detection) is improved.

Abstract: The present disclosure provides an electronic system including an electronic device and an electronic tag. The electronic device includes a printed circuit board. The electronic tag includes a substrate and an antenna, wherein the substrate is disposed at a height over the printed circuit board. The substrate has a first side and a second side, wherein the first side is opposite to the second side. The antenna has a first portion and a second portion, wherein the first portion is disposed on the first side, the second portion is to disposed on the second side, and the first portion is electrically coupled to the second portion via plated through holes.

Abstract: The embodiment of the present invention provides a method for a 3-D projection printing system and a system thereof, more particularly to a system adopts both ways of look-up table and interpolation method to calibrate. The embodiment of the present invention provides a portable calibration fixture system and a flexible 3-D projection printing system in order to improve calibration precision, facilitate calibration and printing operations, increase printing effect and save cost.

Abstract: The present disclosure provides a waveguide apparatus for receiving wireless signals. The waveguide apparatus includes a first waveguide member and a second waveguide member attached to the first waveguide member to form a waveguide having an aperture for receiving wireless signals. The first waveguide member includes a first wall and a second wall forming a first corner of the aperture, and the second waveguide member includes a third wall and a fourth wall forming a third corner of the aperture. After the first waveguide member is attached to the second waveguide member, the second wall and the third wall form a second corner of the aperture, and the fourth wall and the first wall form a fourth corner of the aperture.

Abstract: One embodiment of the invention provides a three-dimensional printing system includes a first projector, a second projector, and a solidification region. The solidification region accommodates a curable material and has a first area and a second area. The first projector projects a first image on the first area, the second projector projects a second image on the second area, and the first image and the second image are stitched together to form an image seam. The image seam is the only one overlapping area between the first image and the second image, and a width of the image seam is smaller than a span of five consecutive pixels arranged crossing the image seam.

Abstract: The present disclosure provides an antenna apparatus and a circuit board thereof for an RFD device to provide wide field effect coverage. The antenna apparatus includes a housing having a concavity defined therein, a printed circuit board disposed inside the concavity of the housing, two plates respectively located on opposite side portions of the circuit board, and a metal pattern sandwiched between and wirelessly coupled to the two plates. By disposing the metal pattern at the central portion of the circuit board and sandwiched between and coupled to the two plates, the field effect is enhanced, and the sensitivity of the antenna apparatus when detecting an object passing through the field (near field detection) is improved.

Abstract: A method for an improved 3-D printing system and a system thereof is disclosed. The method is able to blur and sharpen pattern images, and the system is flexible in assembly in order to benefit the convenience of printing, the speed of printing, and the cost of hardware and manufacturing.

Abstract: The present disclosure provides a waveguide apparatus for receiving wireless signals. The waveguide apparatus includes a first waveguide member and a second waveguide member attached to the first waveguide member to form a waveguide having an aperture for receiving wireless signals. The first waveguide member includes a first wall and a second wall forming a first corner of the aperture, and the second waveguide member includes a third wall and a fourth wall forming a third corner of the aperture. After the first waveguide member is attached to the second waveguide member, the second wall and the third wall form a second corner of the aperture, and the fourth wall and the first wall form a fourth corner of the aperture.

Abstract: A transmission switch includes a dielectric substrate; a conductive ground layer disposed over an upper surface of the dielectric substrate, wherein the conductive ground layer comprises a first ground section and a second ground section separated from the first ground section; a tunable dielectric layer disposed over the conductive ground layer, wherein the tunable dielectric layer has a first dielectric constant at a first DC voltage and a second dielectric constant at a second DC voltage; and a conductive signal layer disposed over the tunable dielectric layer, wherein the conductive signal layer comprises a first signal section, a second signal section, and an impedance-matching section connecting the first signal section and the second signal section.

Abstract: A switchable radiator includes a dielectric substrate, a first conductive layer having a slot disposed over an upper surface of the dielectric substrate, a tunable dielectric layer disposed over the first conductive layer, and a second conductive layer disposed over the tunable dielectric layer. The tunable dielectric layer has a first dielectric constant at a first DC voltage and a second dielectric constant at a second DC voltage. The second conductive layer includes a first signal section, a second signal section, and an impedance-matching section connecting the first signal section and the second signal section. The operation method of the switchable radiator includes applying a first DC voltage to the tunable dielectric layer to enable the switchable radiator to radiate energy through the slot and applying a second DC voltage to the tunable dielectric layer to disable the switchable radiator from radiating energy through the slot.

Abstract: A three dimensional printing mechanism includes a plane receiving a first photocured material and a second photocured material which is different from the first photocured material. A first photocured material supplying mechanism is used for inputting the first photocured material into the plane, whereas a second photocured material supplying mechanism is used for inputting the second photocured material into the plane.

Abstract: A transmission switch includes a dielectric substrate; a conductive ground layer disposed over an upper surface of the dielectric substrate, wherein the conductive ground layer comprises a first ground section and a second ground section separated from the first ground section; a tunable dielectric layer disposed over the conductive ground layer, wherein the tunable dielectric layer has a first dielectric constant at a first DC voltage and a second dielectric constant at a second DC voltage; and a conductive signal layer disposed over the tunable dielectric layer, wherein the conductive signal layer comprises a first signal section, a second signal section, and an impedance-matching section connecting the first signal section and the second signal section.

Abstract: A switchable radiator includes a dielectric substrate, a first conductive layer having a slot disposed over an upper surface of the dielectric substrate, a tunable dielectric layer disposed over the first conductive layer, and a second conductive layer disposed over the tunable dielectric layer. The tunable dielectric layer has a first dielectric constant at a first DC voltage and a second dielectric constant at a second DC voltage. The second conductive layer includes a first signal section, a second signal section, and an impedance-matching section connecting the first signal section and the second signal section. The operation method of the switchable radiator includes applying a first DC voltage to the tunable dielectric layer to enable the switchable radiator to radiate energy through the slot and applying a second DC voltage to the tunable dielectric layer to disable the switchable radiator from radiating energy through the slot.

Abstract: A bicycle frame with a hidden battery pack has a tube member and a battery pack. The tube member is hollow and has a peripheral surface, a receiving space, and a replacement opening. The receiving space is formed inside the tube member. The replacement opening is defined in the peripheral surface of the tube member and communicates with the receiving space. The battery pack is mounted in the receiving space and has multiple batteries. Each two adjacent batteries of the multiple batteries are connected to each other and are able to rotate relative to each other. Each battery of the multiple batteries is capable of being rotated or swung to pass through the replacement opening.

Abstract: The embodiment of the present invention provides a method for a 3-D projection printing system and a system thereof, more particularly to a system adopts both ways of look-up table and interpolation method to calibrate. The embodiment of the present invention provides a portable calibration fixture system and a flexible 3-D projection printing system in order to improve calibration precision, facilitate calibration and printing operations, increase printing effect and save cost.

Abstract: A method for an improved 3-D printing system and a system thereof is disclosed. The method is able to blur and sharpen pattern images, and the system is flexible in assembly in order to benefit the convenience of printing, the speed of printing, and the cost of hardware and manufacturing.