Abstract: An electronic apparatus includes a housing, a circuit unit, and an external power supply module. The housing is formed with a circuit receiving space and a module receiving space. The circuit unit is disposed in the circuit receiving space. A set of first contacts is disposed in the module receiving space, and is coupled electrically to the circuit unit. The external power supply module is removably disposed in the module receiving space, and is provided with a set of second contacts to connect electrically with the first contacts so as to enable the external power supply module to supply electric power to the circuit unit when the external power supply module is disposed in the module receiving space.

Abstract: An electronic apparatus includes a housing, a circuit unit, and an external power supply module. The housing is formed with a circuit receiving space and a module receiving space. The circuit unit is disposed in the circuit receiving space. A set of first contacts is disposed in the module receiving space, and is coupled electrically to the circuit unit. The external power supply module is removably disposed in the module receiving space, and is provided with a set of second contacts to connect electrically with the first contacts so as to enable the external power supply module to supply electric power to the circuit unit when the external power supply module is disposed in the module receiving space.

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 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 heat dissipating device includes a housing and a fan unit. The housing has a top wall, a bottom wall opposite to the top wall, and a lateral wall that interconnects the top and bottom walls. Each of the top, bottom and lateral walls is formed with at least one vent hole therethrough. The fan unit is mounted in the housing for circulating air within the housing. The fan unit is operable so as to allow cool air to flow into and heated air to flow out of the housing through the vent holes in the top, bottom and lateral walls.

Abstract: An electronic apparatus includes a main board module with pivotally interconnected first and second module members, and a display module connected pivotally to the second module member. A biasing member is connected to the first and second module members, and biases the second module member from a first supporting position, where the first and second module members are capable of contacting a table surface, to a second supporting position, where the second module member is lifted away from the table surface. A releasable retaining device is provided on the main board module for retaining releasably the second module member at the first supporting position against biasing action of the biasing member.

Abstract: In a portable electronic apparatus, a cover device includes a stand unit provided on a cover body. The stand unit includes a support member connected to and pivotable relative to the cover body. A foldable limiting member is connected to the support member and is connected to the cover body for limiting the support member at the supporting position. The cover device is assembled removably on a user interface device for protecting an operating surface of the user interface device when the support member is in a collapsed position, where the support member lies on the cover body, and is removed from the user interface device to permit movement of the support member to a supporting position, where the support member forms an angle with the cover body for positioning the user interface device on the stand unit.

Abstract: An electronic apparatus includes a host module, a keyboard device, and an interlocking device. The host module includes a- module case formed with a keyboard-receiving groove. A rear wall of the keyboard-receiving groove is formed with a latch-receiving groove and a latch hole. The keyboard device is disposed removably in the keyboard-receiving groove, and is formed with a latch-engaging groove that is registered with the latch hole when the keyboard device is disposed in the keyboard-receiving groove. The interlocking device includes a latch member biased by a biasing member. The latch member has a pivot portion pivotally retained in the latch-receiving groove, an operating portion extending from the pivot portion and exposed from the latch-receiving groove, and a latching portion extending from the pivot portion and formed with a latch projection that is extendible into the keyboard-receiving groove through the latch hole to engage the latch-engaging groove.

Abstract: A portable computer includes a housing having a contacting surface and two clamping surfaces, a processor disposed inside the housing, a first power port, and a detachable power supply module. The power supply module includes a module case having a slot positioned corresponding to the contacting surface of the housing for accommodating a battery, a second power port installed on the slot, two clamping devices installed at two opposite ends of the module case each corresponding to a clamping surface of the housing, and a power supply port positioned corresponding to the first power port and connected to the second power port. When attaching the power supply module onto the housing, each clamping device engages with a corresponding clamping surface, the power supplied by the battery transmits through the second power port, the power supply port and the first power port to the processor.

Abstract: Memory adapter module for portable computer, including a casing of the portable computer and a cartridge-like adapter unit. A predetermined portion of the casing is formed with an installation cavity. The adapter unit has a connector at one end. When the adapter unit is inserted into the installation cavity, the connector is electrically connect with a connecting section in the installation cavity. A socket is formed on the other end of the adapter unit. One of various memory units with preset specifications can be selectively inserted into the socket and adapted to the computer. The adapter unit has a modularized structure, whereby a user can replace the adapter unit with another so that various memory units with different specifications can be adapted to the computer without limitation of specification.

Abstract: A rectangular personal digital assistant (PDA) includes a rectangular housing having a front side facing towards users and four corners, a computer circuit installed in the housing for providing data processing services, a socket installed in one of the four corners and electrically connected to the computer circuit, and a peripheral module having a case and an input/output peripheral circuit removably and electrically connected to the socket. When the peripheral module is installed in the socket, the case of the peripheral module coupled to the corner of the PDA housing will form an integrated corner of the PDA housing.

Abstract: A touch pen has a data recording member mounted in a pen barrel for storing identification data. A computerized device includes a data reading unit capable of reading the identification data stored in the data recording member when the data recording member of the touch pen is disposed in close proximity to the data reading unit, a memory unit for storing reference identification data, and a processor coupled to a touch control panel that is mounted on a housing, the data reading unit and the memory unit. The processor is operable so as to receive the identification data from the data reading unit and to verify if the identification data corresponds to the reference identification data, and permits further operation of the computerized device only after identifying that the identification data corresponds to the reference identification data.

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 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: 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 computerized apparatus includes a circuit module mounted in a housing and coupled electrically to a touch control panel that is mounted on the housing. The circuit module has a first contact unit registered with an insert hole formed in the housing. A touch pen is mounted removably on the housing, and has a second contact unit extending radially and outwardly from a conductive core that extends from a first end portion to a second end portion of the touch pen. The first end portion is formed as a touch tip for operating the touch control panel when the touch pen is removed from the housing. The first contact unit establishes electrical contact with the second contact unit when the touch pen is extended into the housing via the insert hole such that the circuit module is capable of receiving and transmitting a wireless signal from and to the conductive core.

Abstract: An auxiliary apparatus includes a circuit unit disposed in a housing that is formed with a recess for receiving a personal digital assistant, and a connector mounted on the housing, disposed in the recess, and coupled electrically to the circuit unit. The connector is adapted to couple electrically and directly with the personal digital assistant so as to be able to provide an audio signal from the personal digital assistant to the circuit unit when the personal digital assistant is received in the recess. A loudspeaker unit is mounted in the housing and is coupled electrically to the circuit unit. The circuit unit enables the loudspeaker unit to reproduce the audio signal received by the connector.

Abstract: A portable computer includes a housing having a contacting surface and two clamping surfaces, a processor disposed inside the housing, a first power port, and a detachable power supply module. The power supply module includes a module case having a slot positioned corresponding to the contacting surface of the housing for accommodating a battery, a second power port installed on the slot, two clamping devices installed at two opposite ends of the module case each corresponding to a clamping surface of the housing, and a power supply port positioned corresponding to the first power port and connected to the second power port. When attaching the power supply module onto the housing, each clamping device engages with a corresponding clamping surface, the power supplied by the battery transmits through the second power port, the power supply port and the first power port to the processor.

Abstract: An electrical apparatus includes a circuit board received in a housing and mounted removably with an electronic component thereon. The circuit board has a set of ground contacts disposed around the electronic component. The housing has a wall portion formed with an access opening to permit access to the electronic component on the circuit board. A cover member includes a dielectric cover plate mounted detachably on the housing so as to cover the access opening. The cover plate is mounted with a conductive grounding plate that is formed integrally with a set of contacts extending into the housing via the access opening so as to establish electrical contact with the ground contacts on the circuit board when the cover member covers the access opening. The ground contacts and the grounding plate cooperate to provide electromagnetic interference shielding to the electronic component.