Abstract: A power supply includes a power supply unit having an input end for receiving an oscillating voltage, and an output end for outputting a steady state voltage from the oscillating voltage according to a feedback signal, and a control circuit having a micro-controller having a first input port for receiving a measuring signal from a load, and decision logic for generating a control voltage according to the measuring signal, and a feedback controller having a first input end electrically connected to the output end of the power supply for receiving the steady state voltage, a second input end electrically connected to the micro-controller for receiving the control voltage from the micro-controller, and a output end for outputting the feedback signal according to the control voltage and the steady state voltage.

Abstract: An interlocking device for locking a case includes first and second interlocking members. The first interlocking member is formed with a notch. The second interlocking member is formed with a button that is operable to rotate the second interlocking member from a first position, in which the first and second interlocking members engage each other and in which the button is received in the notch, to a second position, in which the first and second interlocking members disengage from each other and in which the button moves out of the notch.

Abstract: An electronic apparatus includes a host module and a touch control module. The host module includes a housing and a host circuit received in the housing. The touch control module includes a face panel and a touch control pad. The face panel is mounted removably on the housing, and has an outer side face, an inner side face, and an aperture formed through the outer and inner side faces. The touch control pad is used for cursor control, is mounted on the inner side face, is accessible through the aperture, and is coupled electrically and separably to the host circuit.

Abstract: In an electronic device, a mobile communications device includes a housing having a first mounting surface disposed removably on an outer mounting surface of a casing body of a personal digital assistant, a battery pack having a second mounting surface disposed removably on the first mounting surface for supplying electric power to the mobile communications device, and a fastening unit for fastening releasably the battery pack on the housing. A first electrical connector provided on the outer mounting surface is connected electrically and detachably to a second electrical connector provided on the first mounting surface to permit signal transmission between the personal digital assistant and the mobile communications device. An engaging unit is provided on the outer mounting surface and the first mounting surface to permit engagement between the personal digital assistant and the mobile communications device when the first mounting surface is disposed on the outer mounting surface.

Abstract: A video signal converter receives an input video signal from a host and transmits an output video signal to a detachable display module of a portable computer. The video signal converter includes a base, a latch unit and a video processing unit. The base supports the display module thereon. The latch unit engages removably the display module when the display module is supported on the base. The video signal processing unit is operable so as to convert the input video signal into the output video signal that is suitable for use by the display module.

Abstract: A circuit board assembly includes first and second circuit board devices. The first circuit board device includes a printed circuit board, a first controller mounted on the first printed circuit board, and a first communications unit mounted on the first printed circuit board and that is connected electrically to the first controller. The second circuit board device includes a second printed circuit board separate from the first printed circuit board, a second controller mounted on the second printed circuit board, and a second communications unit mounted on the second printed circuit board and connected electrically to the second controller. The second communications unit cooperates with the first communications unit to establish a communications link between the first and second controllers while maintaining separability between the first and second printed circuit boards.

Abstract: A method is provided for a portable computer. The portable computer has a touch panel for sensing a position of pressure exerted by a user. The method includes setting an input region on the touch panel. When the user touches the touch panel after a previous touch, the method includes updating the position of the input region according to the relative displacement between the touches, and controlling the portable computer only according to pressure position inside the input region if the user simultaneously presses inside and outside the input region within the touch panel.

Abstract: A portable electronic apparatus includes a host module, a display module, and a folding pivot module interconnecting the host and display modules. The pivot module includes first and second module members. The host module is connected pivotally to the first module member. The first module member is formed with a receiving cavity and is connected pivotally to the second module member. The display module is connected pivotally to the second module member. The second module member is received in the receiving cavity when in a folded position.

Abstract: An input protection circuit is provided for protecting internal circuitry of a handheld electric device. The internal circuitry has a positive input node and a ground node. The input protection circuit includes a power socket having a positive input node and a ground node, a bipolar junction transistor (BJT), a metal-oxide semiconductor (MOS) transistor for controlling the on and off states of the BJT, and an overvoltage protective circuit. An emitter of the BJT is electrically connected to the positive input node of the power socket, and a collector is electrically connected to the positive input node of the internal circuitry. When a reverse DC voltage or a DC voltage exceeding a threshold inputs from the power socket, the overvoltage protective circuit will turn off the MOS transistor, thereby turning off the BJT to prevent damages of the internal circuitry.

Abstract: A personal digital assistant system includes a cradle, a personal digital assistant, and a peripheral module. The cradle includes a cradle housing, and a first socket positioned on the cradle housing for outputting electric power. The personal digital assistant includes a first connecting port electrically connected to the first socket of the cradle. The peripheral module is positioned on the cradle and electrically connected to the personal digital assistant and the cradle. The personal digital assistant electrically connected to the peripheral module controls the peripheral module when the personal digital assistant and the peripheral module are electrically connected to the cradle through the first socket. The cradle provides the personal digital assistant and the peripheral module with electric power through the first socket.

Abstract: A multi-function touch pen includes a pen barrel having a first barrel end portion formed as a touch tip adapted for operating a touch control panel of a computerized apparatus. An electronic device includes an input unit mounted on the pen barrel and operable so as to generate an input signal, a processor disposed in the pen barrel, coupled electrically to the input unit and operable so as to process the input signal, and an output unit mounted on the pen barrel and coupled electrically to and controlled by the processor for generating an output corresponding to the input signal.

Abstract: A vibration-absorbing structure for support section of a self-vibratory electronic member. The vibration-absorbing structure is integrally made of resilient gum material and has a top face, a bottom face, at least one insertion section between the top and bottom faces and at least one horseshoe-shaped or annular spacer (bellows) structure having multiple continuously winding layers and connected between the insertion section and the top and bottom faces. The top and bottom faces are fixed on a support article and the support section of the electronic member is fitted in the insertion section. Each annular spacer structure defines a resiliently extensible interval to enlarge the vibration-absorbing space and create a vibration-absorbing effect as a reciprocally extensible spring.

Abstract: A connector for transmitting electrical signals from a first board to a second board includes at least one conductive media. The conductive media includes a plurality of insulating layers and a plurality of conductive layers. Each conductive layer is formed between two insulating layers. The connector further includes a frame including at least one hollow space for accommodating the conductive media.

Abstract: Power limitation transformer circuit structure of power supply, including: an electromagnetic interference filter unit, a rectifying unit, a power factor correction section, a transformer having a primary input terminal and secondary input terminal, a pulse controlling unit connected with the secondary input terminal of the transformer, a primary power limitation circuit and at least one secondary power limitation circuit, an output current controlling unit and an output voltage controlling unit. The input terminal of the output current controlling unit is connected with the secondary output terminal of the transformer. The primary output terminal and secondary output terminal of the output current controlling unit are respectively serially connected with the primary and secondary power limitation circuits. The input terminal of the output voltage controlling unit is connected with the secondary output terminal of the transformer.

Abstract: A touch pen includes a pen barrel having opposite first and second barrel portions. An illuminating unit is received in the first barrel portion, and includes a switch connected to a light source and a power source and operable so as to establish electrical connection between the light source and the power source for enabling the light source to generate a light output which radiates out of the pen barrel via an open end of the first barrel portion. A transparent pen cap has a mounting end portion sleeved removably on the first barrel portion, and a touch tip opposite to the mounting end portion and adapted for touching a touch control panel of a computerized apparatus.

Abstract: An external power supply module includes a module case adapted to be disposed in a portable electronic apparatus, an adapter circuit disposed in the module case and adapted to convert AC power to DC power that is to be supplied to the portable electronic apparatus, a set of contacts provided on the module case and adapted to establish electrical connection between the adapter circuit and the portable electronic apparatus, and a heat-dissipating unit mounted on the module case for dissipating heat generated during operation of the adapter circuit.

Abstract: A SATA connector includes a housing, signal and power panels disposed in the housing, first and second signal terminals mounted on two opposite surfaces of the signal panel that are opposite to each other in a vertical direction, and first and second power terminals respectively mounted on two opposite surfaces of the power panel that are opposite to each other in the vertical direction. The power panel is aligned with the signal panel in a direction perpendicular to the vertical direction.

Abstract: A SATA connector includes a housing, signal and power panels disposed in the housing and aligned in a vertical direction, signal terminals mounted on the signal panel, and first and second power terminals respectively mounted on two opposite surfaces of the power panel. Each signal terminal is aligned with a respective first power terminal and a respective second power terminal in the vertical direction.

Abstract: The present invention discloses a method a system for automatic executing work designation for office automation, which divides works obtained and resolved from meetings to increase office efficiency. At first, individual issues of executed work are divided and analyzed. The individual issues are identified whether for saving or sending an information of the individual issues to executors. The information of an individual issue is sent to a file management system when need to be saved. The information of individual issues are linked with a sending system when need to be sent. When the names of the executors are recognized, e-mail addresses or fax numbers of the executors are linked, the information of the individual issues are then sent to the e-mail addresses or the fax numbers of the executors.

Abstract: A heat-radiating structure co-usable with heat-radiating window of a housing of an electronic appliance, including a housing having a rigid wall defining an interior space. At least one side of the rigid wall is formed with an opening or a heat-radiating window and multiple fin units each having a free end and a connecting end connecting with an adjacent fin unit. The fin units are serially arranged to form a fin construction. The adjacent fin units define a pitch or exhaustion gap meeting the safety standard regulated by IEC. The heat-radiating structure further has a fan unit having a connecting section connected with the connecting ends of the fin construction. The fan unit is formed with a flow way for conducting the heat generated in the housing toward the fin construction and dissipated out from the opening or heat-radiating window through the pitch or exhaustion gap.