Abstract: The present invention relates to a power converter, using input voltage provided by a fuel battery and processing an electrical characteristics transformation on the input voltage to output an output voltage to loading. The power converter comprises: a multiple-phase PWM controller to output multiple PWM control signals in accordance with the voltage level of output voltage; a multiple phase bridge converter to input and output the input voltage in accordance with the multiple PWM control signals; and a transformer to input and process an electrical characteristics transformation on the input voltage from the multiple phase bridge converters to output the output voltage. The multiple-phase PWM controller further comprises a PWM generator and at least one phase shifter.

Abstract: The present invention relates to a pad having a recessive antenna and being mounted in an electronic device, comprises a pad mounted on a base plate of the electronic device and an antenna configured inside the pad. By the aforesaid structure, the electronic devices having wireless connectivity, such as multimedia computers, notebooks, or CD/DVD players, would then have more space for other functional design as well as easier assembly of the antenna.

Abstract: A hard disk common support structure is disclosed, which comprises a top support frame, and a bottom support frame. The top support frame correspondingly installed above the bottom support frame, and the top support frame is receiving a top hard disk, the bottom support frame is receiving a bottom hard disk. The computer which accommodated the top support frame, the bottom support frame, the top hard disk, and the bottom hard disk can save the inside space, and different type of hard disks can be used to increase the application of the computer.

Abstract: A method and system for adjusting the brightness of a display device. Using a light detection unit detects the current environmental brightness thereby generates a first reference value and a second reference value. a brightness degree is obtained according to a conversion formula by using the first reference value and the second reference value as parameters. A comparison is performed to compare the obtained brightness degree with a first predetermined value and a second predetermined value to determine the brightness degree and the predetermined value. If the brightness is greater than the first reference value, smaller than the second reference value, or between the first reference value and the second reference value, a warning light device will be activated to inform the user. a backlight module automatically adjusts the brightness device according to the brightness degree thereby lets the brightness device correspond to the current environment and the user's requirement.

Abstract: A stacked microstrip reflect array antenna includes a circular disk for reflecting a remote communication signal; an antenna for receiving the communication signal reflected by the circular disk and sending another communication signal to the circular disk to be reflected; and a fixing frame for fixing the antenna on a first plane of the circular disk; wherein the first plane has a plurality of array squares, every array square has a plurality of first array elements and a second array element, the plurality of first array elements are mounted on a top surface of the first plane and the second array element is mounted on a bottom surface of the first plane at a position corresponding to a center of the plurality of first array elements.

Abstract: A coupling structure coupled between a base and a display panel is disclosed to include a pivot structure fixedly fastened to the base, a rotary platform pivotally coupled to the pivot structure for allowing rotation of the rotary platform on the pivot structure, a gear set, which includes a center gear fixedly fastened to the pivot structure and a left-side gear and a right-side gear pivotally mounted inside the rotary platform and meshed with the center gear at two sides respectively, the left-side and right-side gears each having the same number of teeth and a raised portion, and a hinge member, which is received inside the rotary platform and fixedly fastened to the display panel and has two elongated blind holes respectively coupled to the raised portions of the left-side gear and right-side gear.

Abstract: A computer server is disclosed having one of the set of drive bays thereof constructed in the form of a dual-purpose bay with a hard disk drive female connector and a combo device female connector so that a hard disk drive and a combo device can be alternatively installed in the dual-purpose bay, which combo device having a DVD-ROM male connector and a floppy disk drive male connector integrated into a combo device male connector electrically connectable to the combo device female connector of the dual-purpose bay.

Abstract: A display auto-locking structure includes a base member, an open frame pivoted to the base member and rotatable relative to the base member, a display pivotally mounted within the open frame and rotatable relative to the open frame, and a spring-supported cam rod mounted inside the open frame for locking the display to the open frame after the display has been set in one of two reversed positions within the open frame and for enabling the display to be rotated relative to the open frame after the open frame has been rotated relative to the base frame to a predetermined angle.

Abstract: A computer server is disclosed having one of the set of drive bays thereof constructed in the form of a dual-purpose bay with a hard disk drive female connector and a combo device female connector so that a hard disk drive and a combo device can be alternatively installed in the dual-purpose bay, which combo device having a DVD-ROM male connector and a floppy disk drive male connector integrated into a combo device male connector electrically connectable to the combo device female connector of the dual-purpose bay.

Abstract: A computer server having a motherboard with a PCI riser card slot between a first upright bracket and a second upright bracket is disclosed a PCI riser card positioning structure, which includes a first locating hole formed in the top flange of the first upright bracket, a second locating hole formed in the top flange of the second upright bracket, and a auxiliary bracket bridged between the first upright bracket and the second upright bracket, the auxiliary bracket having a longitudinal panel and a PCI riser card mounted on the bottom side of the longitudinal panel, which having a mounting device and a locating plug respectively disposed at the two distal ends thereof and respectively fastened to the first locating hole and the second locating hole to guide the PCI riser card engaging into the PCI riser card slot for electrical connection.

Abstract: An adjustable support structure for a panel computer includes: a cradle having a slide slot at a middle section, at least two fastening slots placed at a bottom surface of the slide slot, and at least two pairs of positioning holes separately corresponding to the fastening slots are placed on two side walls of the slide slot. The back end of the support prop is optionally pushed against one of the fastening slots in the cradle; therefore, the cradle, the back support and the support prop which form a triangularly linked structure. The elastic unit can be pressed to drives the two positioning tabs to leave the positioning holes, so that the supporting shelf can slide along the parallel track until the back support is at a desired leaning angle.

Abstract: A rhythmic lighting method for a LED on a portable electronic device, and the portable electronic device can blink the LEDs with music tempo. Therefore, the user can not only listen to the music but also enjoy the rhythmic lighting vision effect. In addition, this present invention can change the illumination color of the LED to the user's satisfaction, or for different power states.

Abstract: A display frame structure mounting arrangement includes a base frame accommodating a display panel and a front cover fastened to the base frame to hold the display panel in position, the front cover having a plurality of locating devices each having at least two upright arms protruded from the back surface of the front cover and a transverse block joining the upright arms and spaced from the back surface of the front cover by a gap, the base frame having a top flange stopped below the transverse block of each locating device, a plurality of top lugs respectively engaged into the gap between the back surface of the front cover and the transverse block of each locating device, and a plurality of bottom mounting devices fastened to the respective bottom mounting devices of the front cover by screws.

Abstract: A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.

Abstract: The present invention relates a chiral compound, comprising a general formula as formula (I): wherein A, B independently are, ?X, Y independently are fluorine, hydrogen or chlorine; m represents an integral from 6 to 18; n represents 0; p represents 0, 3 or 4; and q represents 2, 3 or 4.

Abstract: A detachable case assembly is disclosed to include a case body, which has front and rear angled slots, a partition plate, which separates the case body into a front and a rear holding space, a front cover, which covers the front half of the top side of the case body and which has locating rods for engaging into the front angled slots of the case body and a rear edge supported on the protruded bearing portions of the partition plate, and a rear cover, which covers the rear half of the top side of the case body and which has locating rods for engaging into the rear angled slots of the case body, a front flange supported on the partition plate and spaced below the rear edge of the front cover, raised contact portions maintained in close contact with the rear edge of the front cover.

Abstract: A portable computer and base member arrangement having a base member and a portable computer is disclosed. The base member has two stop flanges protruded upwardly from the top face in two rear corners and adapted to engage two recessed locating holes of the portable computer after attachment of the portable computer to the base member, and a swinging retainer plate fastened pivotally with the front side and provided with two retaining rods adapted to engage into corresponding retaining holes in the front peripheral side of the portable computer to lock the portable computer to the base member after engagement between the recessed locating holes with protruded retaining portions of the stop flanges of the base member.

Abstract: The present invention relates to one method of extending the wallpaper to be used in a portable electronic device, such as an MP3 player. The method comprises: (A) detecting a non-predetermined image; (B) determining whether or not to set the non-predetermined image as the wallpaper; if not, then the operation to extend the wallpaper will be ended; and (C) recording the non-predetermined image. The non-predetermined image is not provided by the MP3 player, and is recorded in a wallpaper database.