Abstract: A laser scanning unit for a laser printer includes a frame connected to a casing, an optical system module installed on the frame directly for generating laser beams according to print data, an optical scanning module fixed on the frame for reflecting the laser beams generated by the optical system module, a curved lens for reflecting the laser beams reflected from the optical scanning module, and a reflector module installed on the frame directly for reflecting the laser beams reflected from the curved lens to an organic photo conductor.

Abstract: The invention provides a headset device. The headset device includes a first headset, a second headset, and a transmission line. The first headset includes a first housing; an interface module for receiving an audio signal; a signal processing module for separating the audio signal into a first channel signal and a second channel signal; an amplifying circuit for respectively amplifying the first channel signal and the second channel signal to generate a first amplified signal and a second amplified signal; and a first speaker for outputting audio according to the first amplified signal. The second headset includes a second housing, and a second speaker for outputting audio according to the second amplified signal. The transmission line is for transmitting the second amplified signal to the second headset.

Abstract: An optoelectronic semiconductor component includes a light-emitting chip for emitting light, and a reflective substrate. A plurality of linear indent structures is formed on the reflective substrate. The light-emitting chip is installed on the reflective substrate and located on a side of the plurality of linear indent structures. The plurality of linear indent structures is capable of reflecting the light emitted from the light-emitting chip.

Abstract: A waterproof and heat-dissipating module mounted on an electronic device includes a housing structure, a compartment structure, and a fan. A first ventilation hole, a second ventilation hole, a first drainage holes, and a second drainage holes are formed on the housing structure. The compartment structure is disposed inside the housing structure and for partitioning an inside space of the housing structure off that includes an inhaling chamber, a fan room, an accommodated space, and an exhausting chamber. The fan is disposed inside the fan room so that airflow is guided from the first ventilation hole to the second ventilation hole via the inhaling chamber, the fan room, the accommodated space, and the exhausting chamber so as to dissipate heat from circuit boards disposed inside the accommodated space away.

Abstract: A light emitting apparatus includes a blue light emitting diode (LED), a first and second phosphor layers. The second phosphor layer is between the blue LED and the first phosphor layer. When a blue beam of a shorter wavelength excites the phosphor layers, the excitation efficiency of the first phosphor layer is greater than that of the second phosphor layer. When a blue beam of a longer wavelength excites the phosphor layers, the excitation efficiency of the first phosphor layer is less than that of the second phosphor layer. Moreover, the wavelength of the peak intensity of the light beam from the first phosphor layer is shorter than that of the second phosphor layer. And, the dividing value between the shorter wavelength and the longer wavelength is within the range from a first wavelength to a second wavelength.

Abstract: A fixture for fixing a disk drive inside a computer case is disclosed. The fixture includes a body, wherein at least a screw eye is set on the body to fix the body on the disk drive; at least a positioning brace and at least an elastic buckle extending from said body in a direction away from the disk drive to fix the body inside the computer case.

Abstract: A sheet ejection mechanism including a sheet ejection roller capable of rotating along a selective direction and having an arc portion and a plane portion, the arc portion and the plane portion forming a D-shape cross-section, and a pinch member configured at a position adjacent to the sheet ejection roller, wherein a recording medium is clamped and conveyed between the pinch member and the arc portion of the sheet ejection roller, and a gap is formed between the plane portion and the pinch member for allowing the recording medium to pass. Also, the present invention provides a duplex sheet feeding system having the sheet ejection mechanism.

Abstract: An electronic device holder includes: a base; a pivot seat extending uprightly from the base; first and second pivot joints; a connector having front and rear end portions, the rear end portion of the connector being pivoted to the pivot seat through the first pivot joint so as to permit rotation of the connector relative to the pivot seat about a first axis; and a device holding seat having front and rear sides. The rear side of the device holding seat is pivoted to the front end portion of the connector through the second pivot joint so as to permit rotation of the device holding seat relative to the connector about a second axis.

Abstract: A computer device fixing apparatus includes: a main body part, having a containing part; an adjusting mechanism; and a connection mechanism, by which the main body part is connected with the adjusting mechanism revolvably; wherein the computer device fixing apparatus is for fixing a computer device of a first size when the adjusting mechanism is located in the containing part, and the computer device fixing apparatus is for fixing a computer device of a second size when the adjusting mechanism is not located in the containing part. The adjusting mechanism can be utilized to compensate for the height difference between two sizes of computer devices if the computer device of a first height has a larger height than the computer device of a second height, thereby two computer devices with different sizes can be fixed by the same computer device fixing apparatus.

Abstract: A screw-less fastening device is used for fastening a peripheral into a housing. The peripheral and the housing respectively have a first positioning hole and a second positioning hole. The screw-less fastening device includes a body and a fastening bracket. The interior of the body has two track slots and two plugging slots. The track slot includes a first slanted surface and a second slanted surface. The body slides between a first location and a second location. The fastening bracket is assembled in the body, and includes a base portion, two contacting portions and two plugging portions. The contacting portions are located in the track slots, and contact the first slanted surface and the second slanted surface. The two plugging portions are located in the plugging slots.

Abstract: A handheld recording apparatus. A casing includes a first sidewall and a second sidewall opposite thereto. The second sidewall includes a recording through hole. A transparent positioning window is disposed in the first sidewall and corresponds to the recording through hole. A recording mechanism is movably disposed in the casing and records information via the recording through hole. A drive mechanism is disposed in the casing and is connected to the recording mechanism, moving the recording mechanism.

Abstract: A paper conveying apparatus and method for flipping paper includes a paper feeding roller that can rotate in a positive direction or in a reverse direction, a motion transfer member that has one end coupled with the paper feeding roller, and a paper depressing element coupled with another end of the motion transfer member to be driven and rotated. The method of flipping paper includes: first, feeding a sheet of paper into a first paper conveying path; next, depressing the paper into a second paper conveying path while the paper is leaving the first paper conveying path; and reentering the paper from the second paper conveying path into the first paper conveying path upside down.

Abstract: A cartridge includes a base, a tray and a latching element. The base has a boss. The tray is slidably mounted on the base. The base has a cartridge spring corresponding to the tray. The cartridge spring provides the tray a resilient force. The latching element has an eccentric hole that receives the boss of the base. A spring connects the latching element to the base so that the latching element can secure the tray to the base or release the tray from the base. It enhances the retaining of the tray so that even when the cartridge is impacted by an external force, the tray can still be kept closed. The cartridge of the invention provides advantages such as being highly stable, having fewer components, is easy to assemble, and costs less than prior art models.

Abstract: A packaging apparatus for optical-semiconductors includes a mold base having a longitudinal receiving space, an encapsulating module attached to the mold base, and a fixing member attached to the encapsulating module. The bottom of the mold base has at least one air-vent and the mold base has a predetermined width. The encapsulating module includes a plate engaged with the mold base, a plurality of molding bodies penetrating the plate and received in the receiving space, and a plurality of supporting members connected to the molding bodies. The fixing member has a plurality of holding slots to hold the supporting members so that the supporting members are more stable. Furthermore, the width of the mold base is optimized with the dimension of a furnace so that the production rate is increased and the stability of the packaging structure is improved.

Abstract: A power supplying device includes: an output transformer including first and second output coils for generating first intermediate voltages from an input voltage; a voltage adjusting transformer including primary and secondary coils; a first rectifying-and-filtering circuit connected to the first output coil for generating a first output voltage from the first intermediate voltage obtained from the first output coil; the primary coil being connected in parallel to the first output coil, the secondary coil being connected in series to the second output coil and being coupled to the primary coil for generating a second intermediate voltage from the first intermediate voltage obtained from the first output coil; and a second rectifying-and-filtering circuit connected to the secondary coil for generating a second output voltage from a combined voltage combining the second intermediate voltage obtained from the secondary coil with the first intermediate voltage obtained from the second output coil.

Abstract: A suction device includes a sucking disc disposed under an upright sleeve, a connecting seat disposed in the sleeve and connected to the sucking disc, and an elongate operating block mounted slidably on the sleeve. The operating block is formed with a cam surface biased to contact a follower portion of the connecting seat. When the operating block is moved relative to the sleeve from a non-sucking position, where the follower portion engages a second positioning portion of the operating block, to a sucking position, where the follower portion engages a first positioning portion of the operating block, the cam surface pushes the connecting seat to move away from a supporting surface, thereby forming a vacant space between the sucking disc and the supporting surface.

Abstract: An optical mouse with a light indicating function is provided, which includes a light source module, a reflecting mirror, and a button. The light source module is used for emitting an irradiating light. The reflecting mirror disposed on a path of the irradiating light and located at a normal position in use, for reflecting the irradiating light to generate a reflecting light for detecting the displacement of the optical mouse. The button is adopted for being pushed to move the reflecting mirror, so that the reflecting mirror is moved away from the normal position in use, and then the irradiating light travels straightly to serve as an indicating light beam of the light indicator.