Abstract: A bandgap reference circuit is provided and which includes an operating voltage, a current mirror, a first p-channel metal-oxide semiconductor (PMOS) transistor and an amplifier. The current mirror is coupled to the operating voltage. The first PMOS transistor is coupled to the operating voltage and the current mirror. The amplifier is coupled to the current mirror and the first PMOS transistor. When the bandgap reference circuit is activated, the operating voltage starts to supply voltage such that the first PMOS transistor is turned on first. When the operating voltage is higher than a preset voltage level, the first PMOS transistor is turned off, in order to complete an start-up process.

Abstract: A flash memory control technology with high reliability. In a power recovery process, a microcontroller is configured to duplicate a last write page of a run-time write block of a flash memory and thereby generate a duplicated page in the run-time write block. The microcontroller is further configured use the mapping information accessed from the duplicated page in rebuilding a physical-to-logical address mapping table rather than the mapping information accessed from the last write page. The microcontroller is configured to maintain the physical-to-logical address mapping table on a random access memory for the run-time write block and is further configured to use the physical-to-logical address mapping table to update a logical-to-physical address mapping table maintained in the flash memory.

Abstract: A tabletop linking device for removably linking together a perimeter edge of a first table to an abutting perimeter edge of an adjacent second table. Each perimeter edge has a perimeter lip member extending away from a bottom surface of the corresponding tabletop. The second table includes a recess along an inner wall of the perimeter lip. A connection member is pivotally connected to a base member on the bottom surface of the first table. The connection member rotates between a stowed position and a latched position. In the latched position, the ridge engages the recess to removably link the perimeter edge of the first and second tables together.

Abstract: A tabletop linking device for removably linking together a perimeter edge of a first table to an abutting perimeter edge of an adjacent second table. Each perimeter edge has a perimeter lip member extending away from a bottom surface of the corresponding tabletop. The second table includes a recess along an inner wall of the perimeter lip. A connection member is pivotally connected to a base member on the bottom surface of the first table. The connection member rotates between a stowed position and a latched position. In the latched position, the ridge engages the recess to removably link the perimeter edge of the first and second tables together.

Abstract: An adjustable tray table having a tabletop, a tabletop support connected to the tabletop, and a base assembly attached to the tabletop support and configured to allow the tabletop to move from a substantially vertical orientation to a substantially horizontal orientation. The base support includes a spring-biased squeezable latch, which has a squeezed position and a released position. The latch is configured to engage an engagement opening in the tabletop support, which fixes the tabletop support in a desired orientation corresponding to the engagement opening. The latch is also configured to disengage from the engagement opening and to slide along a slot in the tabletop support until it reaches a different engagement opening corresponding to a different orientation.

Abstract: A bandgap reference circuit is provided and which includes an operating voltage, a current mirror, a first p-channel metal-oxide semiconductor (PMOS) transistor and an amplifier. The current mirror is coupled to the operating voltage. The first PMOS transistor is coupled to the operating voltage and the current mirror. The amplifier is coupled to the current mirror and the first PMOS transistor. When the bandgap reference circuit is activated, the operating voltage starts to supply voltage such that the first PMOS transistor is turned on first. When the operating voltage is higher than a preset voltage level, the first PMOS transistor is turned off, in order to complete an start-up process.

Abstract: A differential reference voltage generator generates a first differential reference voltage and a second differential reference voltage. The differential reference voltage generator includes a first operational amplifier, a first transistor, a first resistor, and a second resistor. The first operational amplifier has a negative terminal adapted to receive a reference voltage. The first transistor has a source receiving a power supply voltage and has a gate electrically connected to an output terminal of the first operational amplifier. The first resistor has a first terminal electrically connected to a drain of the first transistor, and has a second terminal electrically connected to a positive terminal of the first operation amplifier. The second resistor has a first terminal electrically connected to the second terminal of the first resistor, and a second terminal electrically connect to a current mirror.

Abstract: An electrode structure adapted for high applied voltage is provided, which comprises a conductive plate substrate and a covering layer disposed thereon such that a covering percentage of the covering layer over the conductive plate substrate is more than 50%. Since area of the conductive plate substrate covered by the covering layer is larger than the area exposed, the possibility of arcing is reduced and the breakdown voltage applied to the electrode structure may be increased.

Abstract: An apparatus for testing bonding strength of electrical connection comprises a platform including a two-axis drive, a device holder positioned on the two-axis drive and configured to receive an electronic device, a vertical drive positioned on the platform, a cantilever positioned on the vertical drive, and a test head connected in a rotational manner with the cantilever. A frictionless calibration device for shear force testing comprises a base, two supporters positioned on the base, a shaft having two tapering ends positioned between the two supporters, and a calibration member fixed on the shaft, wherein the shaft and the calibration member contact the supporters in a rotational manner.

Abstract: A differential reference voltage generator generates a first differential reference voltage and a second differential reference voltage. The differential reference voltage generator includes a first operational amplifier, a first transistor, a first resistor, and a second resistor. The first operational amplifier has a negative terminal adapted to receive a reference voltage. The first transistor has a source receiving a power supply voltage and has a gate electrically connected to an output terminal of the first operational amplifier. The first resistor has a first terminal electrically connected to a drain of the first transistor, and has a second terminal electrically connected to a positive terminal of the first operation amplifier. The second resistor has a first terminal electrically connected to the second terminal of the first resistor, and a second terminal electrically connect to a current mirror.

Abstract: An electrode structure adapted for high applied voltage is provided, which comprises a conductive plate substrate and a covering layer disposed thereon such that a covering percentage of the covering layer over the conductive plate substrate is more than 50%. Since area of the conductive plate substrate covered by the covering layer is larger than the area exposed, the possibility of arcing is reduced and the voltage applied to the electrode structure may be increased.

Abstract: An apparatus for testing bonding strength of electrical connection comprises a platform including a two-axis drive, a device holder positioned on the two-axis drive and configured to receive an electronic device, a vertical drive positioned on the platform, a cantilever positioned on the vertical drive, and a test head connected in a rotational manner with the cantilever. A frictionless calibration device for shear force testing comprises a base, two supporters positioned on the base, a shaft having two tapering ends positioned between the two supporters, and a calibration member fixed on the shaft, wherein the shaft and the calibration member contact the supporters in a rotational manner.

Abstract: A latching system for a foldable table having two tabletop halves each having a bottom surface and an end surface includes a receiver disposed on the end surface of the first tabletop half and a latching mechanism disposed on the end surface of the second tabletop half. The latching mechanism has an L-shaped anchor and a pivoting clasp. A bottom leaf of the anchor is fastened to the bottom of the second tabletop half and an end leaf of the anchor is fastened to the end surface of the second tabletop half with a plurality of fasteners. The anchor and clasp have one or more hinge barrels for receiving the hinge pin so that the hinged clasp pivots about the hinge pin relative to the anchor. The hinged clasp detachably mates with the receiver and thereby latches the two tabletop halves in a storage position.

Abstract: A collapsible table has a blow-molded tabletop comprising two table top halves. Each tabletop half has a substantially planar top surface, a bottom surface opposite the top surface, an inner edge, and an opposing outer edge which is substantially parallel to the inner edge. A hinge assembly pivotally connects the two tabletop halves along their inner edges, allowing the two tabletop halves to be folded together into a storage position. Four collapsible legs are attached to the bottom surface of the tabletop halves. Each collapsible leg is operable to collapse independently of any of the other legs. A first pair of the legs collapse to positions which are substantially parallel to the outer edges of the tabletop halves, and a second pair of the legs collapse to positions which are substantially diagonal to the outer edges of the tabletop halves.

Abstract: A collapsible table includes a blow-molded table top and two opposing collapsible support stands mounted on a bottom of the table top. The support stands are supported by articulated support braces attached to cross braces that span the underside of the table top. At opposing ends of the cross braces are substantially U-shaped brackets that receive leg members of the support stands when the support stands are in a collapsed position.

Abstract: An optical imaging apparatus for inspecting a solar cell includes a power supply configured to apply a reverse biased voltage to the solar cell such that shunt defects in the solar cell will generate heat, a thermal imaging device configured to obtain the thermal image of the solar cell, a computing unit including a thermal image analysis module configured to identify hot spots in the thermal image, a locating module configured to locate the center positions of the hot spots, a visible image analysis module configured to identify the defect features of the hot spots, and a visible light imaging device configured to acquire visible images of the hot spots.