Abstract: A stretchable piezoelectric sensor applied to logistics for real-time monitoring includes a stretchable flexible substrate and a conductive layer formed on the flexible substrate. A plurality of sensing members corresponding in number to end faces of a packaging box is adhered to the conductive layer. When the piezoelectric sensor is placed at the bottom of the packaging box containing goods, two ends of the piezoelectric sensor can be stretched to fit on the diagonal corners of the packaging box, and the sensing members are located on the respective end faces of the packaging box to achieve an all-round monitoring.

Abstract: An identification system includes an input device and a verification device. A plurality of photovoltaic panels of the input device cooperatively receive light reflected off an object that is illuminated by a lighting module. Each photovoltaic panel converts light energy of the light received thereby into electricity. The input device further includes an electrical measurement unit to measure electrical quantities of the electricity generated by the photovoltaic panels, and an encoding unit to convert the electrical quantities into code parameters and to compose an input code using the code parameters. The verification device communicates with the input device, and verifies the input code.

Abstract: Disclosed is an engine temperature regulating device installed to a cool air inlet of a casing of an engine. The engine temperature regulating device includes a power source, a link rod module connected to the power source, a control module and a fan cover module including a fixed casing and a movable casing. The control module is provided for detecting a temperature when the engine is turned on to control the power source to drive the link rod module, so as to control the rotation of the connected movable casing and further adjust an air intake hole of the fixed casing to a smooth or obscured state.

Abstract: A device for eliminating optical noise receives an optical signal, and includes a first filter which transmits light falling within a same wavelength range as the optical signal, so as to output a filtered signal including the optical signal and first background noise, a second filter which transmits light having a wavelength falling outside the wavelength range of the optical signal, so as to output second background noise, a converter which converts the filtered signal into a first electrical signal and converts the second background noise into a second electrical signal, and an operational unit which performs a mathematical operation on products respectively of the first and second electrical signals and first and second parameters, to result in an output signal.

Abstract: A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface. An area of the growth surface occupied by the microstructures is A1 and an area of the growth surface not occupied by the micro-structures is A2, such that A1 and A2 satisfy the relation of 0.1?A2/(A1+A2)?0.5. The light emitting diode element layer is disposed on the growth surface of the substrate.

Abstract: A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface. An area of the growth surface occupied by the microstructures is A1 and an area of the growth surface not occupied by the micro-structures is A2, such that A1 and A2 satisfy the relation of 0.1?A2/(A1+A2)?0.5. The light emitting diode element layer is disposed on the growth surface of the substrate.

Abstract: A light emitting diode, including a semiconductor epitaxial structure, a first electrode and a second electrode is provided. The semiconductor epitaxial structure includes a plurality stacked light-emitting layers, and each of the light-emitting layers respectively emits different range of wavelength of light. The first electrode is electrically connected to the semiconductor epitaxial structure. The second electrode is electrically connected to the semiconductor epitaxial structure. Furthermore, a data transmission and reception apparatus is provided.

Abstract: A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface. An area of the growth surface occupied by the microstructures is A1 and an area of the growth surface not occupied by the micro-structures is A2, such that A1 and A2 satisfy the relation of 0.1?A2/(A1+A2)?0.5. The light emitting diode element layer is disposed on the growth surface of the substrate.

Abstract: A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface. An area of the growth surface occupied by the microstructures is A1 and an area of the growth surface not occupied by the microstructures is A2, such that A1 and A2 satisfy the relation of 0.1?A2/(A1+A2)?0.5. The light emitting diode element layer is disposed on the growth surface of the substrate.

Abstract: A method and a system for localizing at least one circular object in a video frame captured by an image capture unit are disclosed. The method includes the steps of: A. performing edge detection to obtain a plurality of image edge points in the video frame; B. extracting a contour set of image contours by linking neighboring edge points; C. generating a plurality of circle samples from the extracted contour set by a structural sampling process; and D. localizing the at least one circular object from the generated circle samples by calculating a respective fitness score for each of the circle samples to measure the supporting evidence of the image edge points on a neighborhood of each of the circle samples, and by choosing the circle sample(s) whose fitness score(s) is/are greater than a threshold value as the circular object(s) found in the video frame.

Abstract: A spring type firing mechanism applied to an endoscope accessory includes a housing, a cap, a bottom cover, a driving module, a buffering module and a spring pipeline, and the spring pipeline includes a push-rod coupled to the sensor, and the driving module includes a firing spring and a restoring spring, and the two springs have different rigidities so as to form a reciprocating structure of the firing mechanism. After the sensor of the firing mechanism is triggered, the resilience of the restoring spring compresses the firing spring back to its firing length, so as to restore its position by a single driving point and allow users to complete the firing operation by one hand and simplify the operation of doctors to improve convenience and efficiency.

Abstract: A light emitting diode, including a semiconductor epitaxial structure, a first electrode and a second electrode is provided. The semiconductor epitaxial structure includes a plurality stacked light-emitting layers, and each of the light-emitting layers respectively emits different range of wavelength of light. The first electrode is electrically connected to the semiconductor epitaxial structure. The second electrode is electrically connected to the semiconductor epitaxial structure. Furthermore, a data transmission and reception apparatus is provided.

Abstract: A light emitting diode chip including a substrate and a light emitting diode element layer is provided. The substrate has a growth surface and a plurality of microstructures on the growth surface, wherein an area of the growth surface occupied by the microstructures is A1 and an area of the growth surface not occupied by the micro-structures is A2, wherein A1 and A2 satisfies the relation of 0.1?A2/(A1+A2)?0.5. The light emitting diode element layer is disposed on the growth surface of the substrate.

Abstract: An apparatus for detecting tissue hardness of a living body includes a housing, a cap, a bottom cover, a driving module, a buffering module, a spring pipeline, a push-rod and a detecting module, and the driving module includes a firing spring and a restoring spring, and the two springs have different rigidities so as to form a reciprocating structure of the firing mechanism. After the detecting module of a firing mechanism is triggered, the resilience of the restoring spring compresses the firing spring back to its firing length, so as to restore its position by a single driving point and allow users to complete the firing operation by one hand and simplify the operation of doctors to improve convenience and efficiency.

Abstract: An illumination apparatus includes a frame, an optical base plate, a light source and an optical film. The optical base plate is disposed in the frame and has a first protrusion portion at the center of the optical base plate. The first protrusion portion has at least a reflective surface and a top surface, which are connected with each other. The light source is disposed in the frame and located adjacent to the periphery of the optical base plate. The light source is disposed corresponding to the reflective surface and has a plurality of light-emitting elements. Each light-emitting element has an optical axis direction, and the optical axis directions extend toward the first protrusion portion. The optical film is disposed at the frame, and the first protrusion portion of the optical base plate protrudes toward the optical film.

Abstract: A high isolation electromagnetic transmitter and receiver is revealed. An isolation portion, a first antenna body and a second antenna body are extended from and formed over a grounding portion. The isolation portion is extended to and formed between the first antenna body and the second antenna body. A parasitic element corresponding to the isolation portion is disposed between the first antenna body and the second antenna body. The isolation portion is T-shaped. The parasitic element is reverse T-shaped and arranged over the grounding portion. The structure is simple and able to be applied to the design of planar printed antennas. The production is easy and the cost is reduced. The volume is minimized to be used in various mini wireless mobile communication devices. No interference occurs even that the first and the second antennas are close due to good isolation.

Abstract: A receiving and transmitting device for wireless transceivers is revealed. The device has been developed from a high isolation MIMO (multiple-input multiple-output) antenna used for 2.45 GHz WLAN operation. The antenna is a dual-fed coupled monopole MIMO antenna that includes a dielectric substrate and a MIMO antenna. A grounding portion with two signal ends for feeding signals is disposed on the dielectric substrate. A T-shaped metal plate is extended from the grounding portion and located between two signal ends. A C-shaped parasitic element is arranged at the metal plate and there is a certain distance therebetween so as to adjust the isolation. The antenna is symmetrical for improving isolation and is suitable for USB dongles or small-sized wireless mobile devices.

Abstract: A high isolation electromagnetic transmitter and receiver is revealed. An isolation portion, a first antenna body and a second antenna body are extended from and formed over a grounding portion. The isolation portion is extended to and formed between the first antenna body and the second antenna body. A parasitic element corresponding to the isolation portion is disposed between the first antenna body and the second antenna body. The isolation portion is T-shaped. The parasitic element is reverse T-shaped and arranged over the grounding portion. The structure is simple and able to be applied to the design of planar printed antennas. The production is easy and the cost is reduced. The volume is minimized to be used in various mini wireless mobile communication devices. No interference occurs even that the first and the second antennas are close due to good isolation.

Abstract: An illumination apparatus includes a frame, an optical base plate, a light source and an optical film. The optical base plate is disposed in the frame and has a protrusion area at the center of the optical base plate. The protrusion area has at least a protrusion portion, which has at least a reflective surface. The reflective surface includes a plurality of inclined surfaces with different inclination angles. The light source is disposed in the frame and located adjacent to the periphery of the optical base plate. The light source is disposed corresponding to the reflective surface and has a plurality of light-emitting elements. Each light-emitting element has an optical axis direction, and the optical axis directions extend toward the protrusion area. The optical film is disposed at the frame, and the protrusion portion of the optical base plate protrudes toward the optical film.

Abstract: An upper body reciprocating exerciser includes a frame having a post. A cam is connected to the post and has a guide slot which is cooperated with a piston rod of a cylinder. An enclosed loop pipe is connected to outside of the cylinder and includes two sets of a check valve and an adjustable control valve. The loop pipe communicates with a space in the cylinder. The check valves and the adjustable control valves control fluid in the cylinder to adjust the resistance force when a user pulls a pull unit, so that the user's bones and muscles are exercised properly.