Abstract: A method for suppression of vibration includes: adjusting a center frequency of a band-pass filter, and subjecting a to-be-detected signal to processing by the band-pass filter to result in a bandpass-filtered signal; performing signal processing upon the bandpass-filtered signal to obtain a converted result; determining whether a scanning process is completed, and repeating the previous two steps when a result is negative to obtain plural converted results; determining a maximum value among the converted results, and determining the corresponding center frequency to serve as an interference frequency; and setting the interference frequency as an operating frequency of a notch filter.

Abstract: A micro-projection system applied to a portable electronic device, comprising an optical engine, a control module, and a flat cable. The optical engine projects an image. The control module provides at least one control signal to control the optical engine. The flat cable is detachably connected to the optical engine and the control module respectively. Wherein, the optical engine and the control module are configured in the portable electronic device separately, and the flat cable has a corresponding configuration state for connecting the optical engine to the control module.

Abstract: An audio transceiver capable of wirelessly receiving source audio data from a multimedia device, and to be coupled to an audio playback device via a USB interface includes a processing unit that makes the audio transceiver appear as a virtual USB storage device to the audio playback device, and that establishes a virtual audio file to be read by the audio playback device. Upon receipt of a file segment request from the audio playback device via the USB interface, the processing unit generates an audio file segment data associated with the source audio data to have a format supported by the audio playback device and transmits the same to the audio playback device as playable audio data via the USB interface.

Abstract: A heating system is disclosed, which includes a main body having a duct formed therein, an air flowing guiding member, and a heating unit. The duct has an air inlet and an air outlet. The air flowing guiding member is disposed in the duct. The heating unit includes a substrate and a plurality of electronic components disposed on the substrate in a matrix form and embossed from a surface of the substrate, wherein each of the electronic components is capable of individually producing heat to directly heat up the air flowing in the duct. Also a heating system using the heating unit is disclosed.

Abstract: A voltage control method for a power converter includes: acquiring a current of a first primary side winding of a transformer circuit of the power converter; integrating the acquired current to obtain an average voltage; comparing the average voltage with a reflected voltage associated with a current of a secondary side winding of the transformer circuit; and adjusting a duty cycle of a switch of the power converter based on an obtained comparison result for adjustment of an output voltage of the power converter.

Abstract: A hinge for pivotally interconnecting first and second brackets includes a shaft having a shaft body extending through the first and second brackets and formed with an engaging end portion proximate to the second bracket, a fixing member connected to the engaging end portion, a ratchet sleeved rotatably on the shaft body between the fixing member and the second bracket, a friction mechanism having an urging unit sleeved on the shaft body between the ratchet and the fixing member and pressing the ratchet toward the second bracket, and a brake mechanism disposed on the second bracket and having a pawl member releasably engaged to the ratchet.

Abstract: A centrifugal analysis system includes a driving device, a carrying device, a number of cassettes, and an optical sensor device. The carrying device includes a tray disposed on the driving device, a number of limitation mechanisms disposed at the tray. The cassettes are detachably disposed at the tray and respectively and correspond to the limitation mechanisms. When the driving device drives the carrying device to rotate, the optical sensor circularly detects the cassettes in sequence.

Abstract: The invention provides a driving calibration apparatus of an electrostatic MEMS scanning mirror and a driving calibration method thereof The driving calibration method includes the following steps. Different reference voltages are sequentially set to drive a plane mirror of the electrostatic MEMS scanning mirror to swing. Projection positions on a projected surface corresponding to the reference voltages that the laser beam projects to are determined. A driving lookup table is established according to the reference voltages and the corresponding projection positions. Calibrated driving voltages corresponding to ideal projection positions are determined according to the driving lookup table. The pane mirror is driven to swing according to the calibrated driving voltages.

Abstract: A power supply device includes a main unit and a power switching module. The main unit includes a primary circuit board, a transformer including a primary and a secondary coil, a primary-side circuit and a secondary-side circuit. The power switching module includes a separate PCB formed with at least two connection pads and two conductive tracks, and at least one power switching element disposed on the PCB and having two terminals respectively connected to the two connection pads through the two conductive tracks. The power switching module is in the form of a separate PCB that is electrically connected to the primary- or secondary-side circuits through the two connection pads.

Abstract: The present invention provides a micro projector device including a MEMS mirror, a laser source module, a detection module, and a control unit. The MEMS mirror has a first portion and a second portion, the first portion pivots to the second portion, and the first portion oscillates in relation to the second portion. The laser source module generates a laser light to a reflection plane of the first portion of the MEMS mirror. The detection module detects a capacitance value between the first portion and the second portion. The control unit determines the relative position between the first portion and the second portion according to the capacitance value, and provides image data to the laser source module according to the relative position. The reflection plane of the first portion is configured to reflect the laser light from the laser source module to a projection plane.

Abstract: A test device and a rotation module thereof are provided. The rotation module includes a rotation body and a sleeve. The rotation body includes a shaft, a first tube element, and a second tube element. The shaft is pivoted in the housing, and has an annular protrusion. The first tube element and the second tube element are sleeved on the shaft respectively, and the second tube element is located between the first tube element and the annular protrusion. The sleeve is slidably disposed on the rotation body. When the sleeve moves between a first position and a second position back and forth, the second tube element is driven to rotate back and forth relative to the first tube element. The annular protrusion is respectively driven by second tube element and the sleeve drive the annular protrusion so that the shaft rotates relative to the first tube element.

Abstract: An LED package structure includes: an insulating substrate that has a front bonding pad assembly; a dark-colored die-attach adhesive; blue and green LED chips mounted on the front bonding pad assembly via the dark-colored die-attach adhesive; and a dark-colored and light-transmissible encapsulant that is disposed on the insulating substrate and that encapsulates the blue and green LED chips. The encapsulant has a light transmittance that ranges from 7% to 28% for the blue light and has a light transmittance that ranges from 9% to 30% for the green light.

Abstract: A method is for allowing a wireless target device to automatically connect to a target network. The method is to be implemented by a wireless executing device in a wireless network system. In the method, the wireless executing device is configured to establish an ad-hoc wireless network with the wireless target device, and to transmit an access setting to the wireless target device over the ad-hoc wireless network. The access setting enables the wireless target device to connect to the target network automatically.

Abstract: A detection circuit is provided. A detection signal corresponding to an equivalent capacitance value of a micro-electro-mechanical system is generated by an oscillator, and the equivalent capacitance value of the micro-electro-mechanical system varies with a location of the micro-electro-mechanical system.

Abstract: A liquid crystal display (LCD) system includes an LCD device and an alternating current (AC) adapter. The LCD device includes a video processing module and a light emitting diode (LED) backlight module. The AC adapter includes a backlight driving module and an AC-to-DC (direct current) converting module. The backlight driving module generates a backlight driving signal, and outputs the backlight driving signal to drive the LED backlight module of the LCD device. The AC-to-DC converting module is adapted to convert an AC line voltage into first and second DC voltages, and outputs the first and second DC voltages to power the video processing module of the LCD device and the backlight driving module, respectively.

Abstract: A wireless mouse includes a base having a top surface defining a button region and a non-button region, and a top cover including a cover body that separably covers the top surface of the base. The cover body has an inner surface facing the non-button region of the top surface and an integrally formed groove defining member extending from the inner surface into a space disposed between the cover body and the top surface of the base. The groove defining member cooperates with the inner surface of the cover body to define a positioning groove that is open to the space between the cover body and the top surface of the base into which a wireless receiver is received and releasably retained.

Abstract: A comb-structured shielding layer and a wireless charging transmitter thereof are provided. The wireless charging module is connected to a power source, has at least one wireless charging coil and at least one comb-structured shielding layer, and is configured to convert alternative current power from the power source to H-field electromagnetic radiations, and wirelessly charges an electronic device. The comb-structured shielding layer is disposed between the wireless charging module and the target electronic device and configured to allow the H-field electromagnetic radiations pass through. The comb-structured shielding layer includes a first area and a second area. The first area is electrically connected to a reference electric potential. The second area is electrically connected to the reference electric potential through the first area, and is configured to shield the E-field electromagnetic radiations but allow the H-field electromagnetic radiations pass through the comb-structured shielding layer.

Abstract: An optical measuring apparatus comprising at least one light emitting unit, a stage, at least one lens, and at least one light detector is provided. The light emitting unit emits a light beam. The stage contains accommodating spaces. The accommodating spaces move to the transmission path of the light beam in turn. The lens is located between the light emitting unit and the stage, whose orthogonal projection on the stage appears substantially to be a polygon. When one of the accommodating spaces moves to the transmission path of the light beam, a perpendicular bisector half line of each side of the polygon is not overlapped with another adjacent accommodating space of the accommodating spaces. An optical measuring method is also provided.

Abstract: An alternating current (AC)/direct current (DC) adaptor is to be coupled electrically with an electronic device having an electrical property, and includes a DC/DC converter that receives a DC voltage signal and a control signal, and that adjusts the DC voltage signal according to the control signal to obtain an output DC voltage signal. A device discriminator receives the output DC voltage signal, and generates, according to the output DC voltage signal and the electrical property, a device indication signal set. A controller obtains a target value according to the device indication signal set, and outputs the control signal according to an initial value or the target value to control voltage value of the output DC voltage signal provided to the electronic device.