Abstract: A hard disk mounting device includes a receiving portion, a first adapter card, and a second adapter card. The receiving portion includes a bottom plate with a first end and a opposite second end. The first adapter card is attached to the first end of the bottom plate. The first adapter card includes a first connector located at a side of the first adapter card facing away from the second end of the bottom plate. The second adapter card is located at the center of the bottom plate, the second adapter card includes at least one connector e for connecting to a hard disk. The bottom plate includes at least one part for mounting hard disk, each part includes a first fixing mechanism for fixing a hard disk of a first size and a second mechanism for fixing a hard disk of a second size.

Abstract: An electrical device enclosure includes a front panel, a power supply and a switch assembly mounted on the front panel. The power supply includes an alternating current (AC) plug and a power circuit. The AC plug is used to receive an AC voltage. The power circuit is used to convert the AC voltage from the AC plug into a direct current voltage. The switch assembly is connected between the AC plug and the power circuit to turn on/off a connection between the AC plug and the power circuit.

Abstract: A mounting bracket for a display includes a first rail and a first clamping mechanism. The first clamping mechanism is slidably mounted to the rail along a first direction. The clamping mechanism includes a first and a second clamping members. The first and second clamping members are telescopically mounted to each other along a second direction, which is substantially perpendicular to the first direction. Each of the first and second clamping member includes a clamp assembly. Each clamp assembly extends along a third direction that is substantially perpendicular to the first direction and the second direction. The two clamp assemblies can cooperatively clamp the display.

Abstract: A notebook computer includes a central processing unit, a video card, a display coupled to the video card, a projecting module, and a projector driving module. The video card is coupled to the central processing unit via a bridge and configured to receive graphical information from the central processing unit. The projecting module is coupled to the video card. The projector driving module is coupled to the projecting module and configured to activate the projecting module. The video card is capable of generating and outputting images to the display or the projecting module according to the graphical information as desired. The projecting module is capable of projecting the images after being activated by the projector driving module.

Abstract: A constant temperature chamber includes a cavity, a first fan, and a second fan. The cavity includes a first side, a second side, a third side, and a fourth side. The first and second sides are oriented towards each other in a first direction. The third and fourth sides are oriented towards each other in a second direction which is different from the first direction. The first side defines a plurality of first vents, the second side defines a plurality of second vents, the third side defines a plurality of third vents, and the fourth side defines a plurality of fourth vents. The first fan includes a first air inlet and a first air outlet. The first air inlet is in communication with one of the first or second vents. The first air outlet is in communication with the other one of first or second vents. The second fan includes a second air inlet and a second air outlet. The second air inlet is in communication with one of the third or fourth vents.

Abstract: A power supply device for supplying electric power to a portable electronic device includes a rechargeable battery supplying electric power to the portable electronic device, a circuitry assembly connected to the battery, and a solar cell connected to the circuitry assembly. The solar cell transforms light irradiating thereon into electric power. The circuitry assembly detects the voltage of the battery, and charges the battery with the electric power generated by the solar cell when the voltage of the battery is lower than a predetermined value.

Abstract: A carrier includes a main bracket. The main bracket includes a first mounting member and a second mounting member. The first mounting member includes a first sidewall and a first front wall. The second mounting member includes a second sidewall and a second front wall. The first front wall is telescopically extensible relative to the second front wall to adjust a retaining width between the first sidewall and the second sidewall in order to couple to various size data storage devices.

Abstract: A lamp mounting apparatus includes a base, an adjusting portion, and an assembling portion. The adjusting portion includes a first end pivotably connected to the base, and a second end. The assembling portion is pivotably connected to the second end. The assembling portion is configured to have a lamp mounted thereon, and the assembling portion is capable of moving relative to the base by adjusting the adjusting portion.

Abstract: A stand includes a connecting member, a first supporting member pivotably connected to the connecting member and rotatable along a first direction, two second supporting members pivotably connected to the connecting member and rotatable along a second direction perpendicular to the first direction, and two blocking members pivotably connected to the second supporting members respectively, opposite to the connecting member.

Abstract: A liquid crystal display can be adjusted to a desired viewing angle easily. A display screen of the liquid crystal display can be adjusted to the desired viewing angle thereby to drive a fixing portion of a bracket, a rotating portion of an operating member or a securing portion of an adjusting member to rotate correspondingly.

Abstract: An airflow guide includes a top cover and two side covers. The two side covers are disposed on opposite ends of the top cover. At least one of the two side covers includes a base plate and a sliding plate. The base plate is fixedly connected to the top cover. The sliding plate is slidably connected to the base plate. The sliding plate slides relative to the base plate, such that an air inlet is defined in the at least one of the two side covers.

Abstract: A computer host includes a enclosure, a circuit board, and a cooling assembly. The enclosure includes a first sidewall and a second sidewall opposite to the first sidewall. The first sidewall defines a plurality of vents. The circuit board is received in the enclosure. A central processing unit and at least one memory chip are plugged into corresponding slots of the circuit board. The cooling assembly includes at least one fan and an airflow guide. The at least one fan is positioned adjacent to the second sidewall and is aligned with the vents. Each of the at least one fan defines an outlet. The airflow guide is positioned on the circuit board with the outlet of the fan being sealed with edges defining entrances of the airflow guide.

Abstract: A heat sink assembly dissipates heat of a chip on a circuit board. A temperature collecting module of the heat sink assembly senses temperature of the chip and generates corresponding analog signals. A display module of the heat sink assembly receives the analog signals and converts the analog signals into digital signals, and then displays the digital signals with temperature unit symbol.

Abstract: A stand includes a connecting member, a first supporting member pivotably connected to the connecting member and rotatable along a first direction, two second supporting members pivotably connected to the connecting member and rotatable along a second direction perpendicular to the first direction, and two blocking members pivotably connected to the second supporting members respectively, opposite to the connecting member.

Abstract: An air conducting device includes an air-guiding unit, and a fan. The air-guiding unit includes a fixing member and a conducting member slidably mounted to the fixing member. The fixing member defines a number of slots arranged in a line, and a through passage. The conducting member defines a through hole communicating with the through passage. A locking protrusion protrudes from the conducting member, and the locking protrusion is adjustably engaged in one of the number of slots. The fan is fixed in the through passage of the fixing member, opposite to the conducting member.

Abstract: A fastener mounting a fan onto a particular device includes a retaining member of a soft material and an attaching member of a rigid material. The material forming the retaining member is less rigid than that of the material forming the attaching member. The retaining member includes a hollow sleeve, a retaining portion formed on the sleeve and retaining the retaining member to the fan. The attaching member includes a body received into the sleeve of the retaining member and an attaching portion formed on the body and attaching the attaching member to the particular device.

Abstract: A wiring clip includes a seat and a pressing member. The seat has a first end and a second end opposite to the first end. The pressing member includes a fixing end pivotally connected to the first end of the seat, a clipping end engaging with the second end of the seat and a pressing body between the fixing end and the clipping end. Two spaced sheets extend upwardly from the second end of the seat, and two hooks extend inwardly from inner side surfaces of the two sheets. The clipping end defines a first opening, the two hooks extend through the first opening and clasp two sides defining the first opening.

Abstract: A hard disk mounting device includes a receiving portion, a first adapter card, and a second adapter card. The receiving portion includes a bottom plate with a first end and a opposite second end. The first adapter card is attached to the first end of the bottom plate. The first adapter card includes a first connector located at a side of the first adapter card facing away from the second end of the bottom plate. The second adapter card is located at the center of the bottom plate, the second adapter card includes at least one connector e for connecting to a hard disk. The bottom plate includes at least one part for mounting hard disk, each part includes a first fixing mechanism for fixing a hard disk of a first size and a second mechanism for fixing a hard disk of a second size.

Abstract: A power plug includes a seat, a pair of covers, a connecting member, two contact prongs and a coil. The seat includes an operating member and a supporting member formed on the operating member. The pair of covers are rotatably connected to opposite sides of the supporting member of the seat, respectively. The connecting member is rotatably connected to the supporting member and located between the pair of covers. The two contact prongs are fixed on the seat. The coil has two ends respectively abutting bottom sides of the pair of covers to exert an upward force to each cover.

Abstract: A heat dissipating blower includes a main body and a cover. The main body includes a shell and a fan. An outlet and a first gap are defined in the shell. A connecting portion is set at one end of the first gap away from the outlet. Two sliding grooves are formed on inner surfaces of a first wall and a second wall and a plurality of locating holes is set on the two sliding grooves. The cover includes two parallel side plates and a middle plate. A plurality of positioning pins is set on outer surfaces of the two side plates. Some of the positioning pins are located in corresponding ones of the locating holes to change an area of the outlet.