Abstract: The invention provides a method for receiving digital broadcast signals of a plurality of channels. The method comprises: storing a channel-parameter contrast table which includes parameter values of a plurality of parameters with which each of the plurality of channels is previously received; testing whether the digital broadcast signals of one of the plurality of channels can be received according to the parameter values stored in the channel-parameter contrast table to determine a receiving status; generating a plurality of channel numbers corresponding to each of the receivable channels of the plurality of channels according to the receiving statuses of the plurality of channels; and receiving the signals of a target channel according to the parameter values stored in the channel-parameter contrast table, wherein the target channel is one of the plurality of channels and selected by a user through the plurality of channel numbers.

Abstract: A light guide module and a display device with the light guide module are disclosed. The light guide module includes a rigid light guide film and a soft light guide film. The soft light guide film is pasted on the rigid light guide film. The soft light guide film has a first surface, and a pattern is formed on the first surface. The area of the first surface without the pattern is pasted on the rigid light guide film. The pattern is positioned between the soft light guide film and the rigid light guide film. The display device includes at least one light guide module and a light source located at one side of the light guide module. When the light source is on, the pattern is lit and visible.

Abstract: A duplex automatic document feeder includes first, second, third, and fourth paths, an ejecting path, a scanning module, first and second reversing roller units, a feeding tray, and an ejecting tray. A document is moved from the feeding tray to the scanning module for scanning of a first side surface thereof. Subsequently, the document is moved along a second-side scanning path defined by the first reversing roller unit, the third path, a portion of the first path, the fourth path, and the first reversing roller unit to allow for scanning of a second side surface thereof. After the first and second side surfaces are scanned, the document is moved along a document-inverting path defined by the second reversing roller unit, a portion of the fourth path, the ejecting path, a portion of the second path, the first reversing roller unit, and the ejecting tray.

Abstract: A method for making lens modules includes the steps of: a) providing a wafer including an array of sensor chips; b) mounting a plurality of lens assemblies on the sensor chips, respectively, thereby defining a plurality of intersecting spacing grooves among the lens assemblies; c) forming substrate layer by filling in the spacing grooves with a resin material; and d) cutting the wafer and the substrate layer along intersecting cutting lines each extending along one of the spacing grooves and each intervening the lens assemblies, the substrate layer being divided into a plurality of barrels respectively surrounding the lens assemblies. A lens module made by the method is also disclosed.

Abstract: A portable electric device, to provide mobile phones and PDA functions, includes a main body and a sub-body. The main body has a first keyboard and a second keyboard that are operated in different directions. The sub-body has a large display screen on one side and a small display screen on the other side. The sub-body is pivotally coupled on one side of the main body, corresponding to a QWERTY keyboard through a biaxial hinge. The sub-body may be selectively having a large display screen or a small display screen, folding over the main body, to cover the QWERTY keyboard, or to be lifted, to form an angle with the main body, to provide different operation modes for the mobile phone or PDA functions.

Abstract: A light-emitting device and an electronic device using the same are provided. The light-emitting device includes a light-guiding plate, a circuit board, at least one light source unit and a reflective layer. The circuit board is disposed under the light-guiding plate. The reflective layer is disposed above the light-guiding plate. The light-guiding plate has at least one hole. The light source unit is disposed on the circuit board and within the hole. The reflective layer is disposed above the hole. The light-emitting device is disposed on one side of a part, such as a keypad, of the electronic device for providing light to the keypad.

Abstract: A camera module includes a lens barrel, a lens, a sensing element, and an electromagnetic shield. The lens barrel defines a receiving space. The lens is mounted in the receiving space. The sensing element is covered by the lens barrel, is disposed below the lens, and is spaced apart from the lens. The sensing element includes a top face, a bottom face, a side face extending between the top and bottom faces, a plurality of first conductors mounted on the bottom face, at least one second conductor mounted on one of the top, bottom, and side faces, and a grounding element having one end connected to one of the first conductors and the other end connected to the second conductor. The electromagnetic shield is coupled to the lens barrel and includes a grounding portion electrically connected to the second conductor.

Abstract: A light-emitting device with open-loop control including a LED capable of emitting a blue light and a mix-light adjusting portion is provided. The mix-light adjusting portion includes a first and a second fluorescent material both capable of being excited by blue light. When the first and the second fluorescent material are excited by a short-wavelength blue light, the excitation intensity of the first fluorescent material is higher than that of the second fluorescent material. When the first and the second fluorescent material are excited by a long-wavelength blue light, the excitation intensity of the first fluorescent material is lower than that of the second fluorescent material. The peak wavelength of the emission of the first fluorescent material is smaller than that of the emission of the second fluorescent material. The dividing wavelength between the short-wavelength blue light and the long-wavelength blue light ranges from a first to a second wavelength.

Abstract: A personal audio listening device is adapted to be worn on a user's ear, and includes a housing, a pivotal knob, and an ear hook member. The housing has a surface and a hollow portion, and defines a first axis and a second axis. The pivotal knob is pivotally mounted on the surface of the housing, and includes a pair of parallel resilient walls. The ear hook member includes a hook body and an end portion. The end portion includes a pivot element in the form of a polygonal post. The hook body is configured to be wearable on the user's ear. The ear hook member is fittingly received between the resilient walls by means of the pivot element so as to be mounted on the pivotal knob. The ear hook member is pivotable about the first axis, and is rotatable about the second axis.

Abstract: A light emitting device includes: a die-mounting base having a mounting surface; a light emitting diode mounted on the mounting surface of the die-mounting base and having a top surface facing in a normal direction normal to the mounting surface of the die-mounting base; a first wavelength-converting layer of a first wavelength-converting material formed on the mounting surface of the die-mounting base, enclosing the light emitting diode, and having a top surface; and a second wavelength-converting layer of a second wavelength-converting material formed on the top surface of the first wavelength-converting layer and having a top surface that is aligned with the top surface of the light emitting diode in the normal direction, and that has an area smaller than the top surface of the first wavelength-converting layer and not smaller than the top surface of the light emitting diode.

Abstract: A light emitting device includes: a chip-mounting base; a light emitting chip mounted on the chip-mounting base; and a transparent encapsulant enclosing the light emitting chip and bonded to the chip-mounting base through a bonding material. The bonding material is an inorganic compound selected from one of a nitride compound and an oxide compound.

Abstract: A case fixing mechanism includes: a fixing device, located on a first case part; an assembling part, for containing the fixing device; a combination device, provided on the second case part; and a control device, for controlling the combination device to be in a first location or a second location. The combination device fixes the first case part and the second case part when the combination device is in the first location. The combination device enables the first case part to be separated from the second case part when the combination device is in the second location. By this mechanism, the first case part can be easily removed from the second case part in simple steps.

Abstract: An alarm system for a vehicle includes a first diffraction raster, a first light source for emitting light to the first diffraction raster so as to form a first diffraction pattern on an object, an image capturing module for capturing the first diffraction pattern, and a control module electrically connected to the image capturing module for determining a relative position of the vehicle corresponding to the object according the first diffraction pattern captured by the image capturing module.

Abstract: A method for making a camera module includes the steps of: (a) providing a mold with a mold cavity; (b) mounting at least a sensing element and a lens within the mold cavity in such a manner that the sensing element and the lens are spaced apart from each other; and (c) forming a camera barrel by injecting a molding material into the mold cavity and by molding the molding material over the sensing element and the lens.

Abstract: A fuser assembly for an electrophotographic device includes a tubular roller, a pressing member, a pressing roller, and a heater. The pressing member is disposed in the tubular roller, and includes a tubular part that has a flat surface. The pressing roller presses the tubular roller against the flat surface of the tubular part of the pressing member. The heater is disposed in the tubular part of the pressing member.

Abstract: A dipole antenna device includes a first metal piece including at least one bending part and a first feeding point; a second metal piece including a second bending part and a second feeding point; and a third metal piece electrically connected to a first connection point of the first metal piece and a second connection point of the second metal piece; wherein the first metal piece and the second metal piece are not electrically connected to each other except the first connection point and the second connection point.

Abstract: Manufacturing an optical module includes providing a frame, attaching a light-emitting diode chip and a sensor chip to the frame, and forming overcoats on the light-emitting diode chip and the sensor chip. Each of the overcoats includes a lens. The overcoats can prevent internal chips from being damaged and suffering dust contamination during manufacture.

Abstract: A sheet feeding mechanism having a pickup roller, a switch device, and a gear set is disclosed. The pickup roller drives a recording material to a first path, and the recording material proceeds from the first path to a second path or from a third path to a fourth path when the switch device is switched to a first position, and proceeds from the first path to the third path when the switch device is switched to a second position. The gear set drives the recording material from the first path to the third path when the switch device is switched to the second position and drives the recording material from the first path to the second path, from the third path to the fourth path, and from the fourth path to the first path when the switch device is switched to the first position.