Abstract: A system for locking an electronic device is provided. The system includes an electronic device, and electronic keys electrically connected to the electronic device. The electronic key includes a plurality of resistors which are connected in series, the resistance value of the electronic key is changeable by coupling different resistors of the electronic key. The electronic device comprises of a processing unit and a function key. When the function key produces locking command in response to user operation, the processing unit obtains the resistance value of the electronic key and produce encryption key according to the obtained resistance value to unlock the electronic device. When the function key produces unlocking command, the processing unit decodes the encryption key and unlocks the electronic device when determining the obtained value matches the decoded encryption key.

Abstract: An electronic device includes an input unit, a processing unit and a coding/decoding system. The coding/decoding system includes a reflector array, a knob group, an infrared emission unit, an infrared receiving unit and a coding/decoding unit. The reflector array includes at least one mirror mounted rotatably in the electronic device. The knob group is configured for adjusting angles of the reflector array. The infrared receiving unit is configured for receiving infrared rays reflected by the reflector array and generating a password signal according to the received infrared rays. The coding/decoding unit is configured for receiving the password signal and converting the password signal into a password. The coding/decoding unit stores the password and locks the electronic device according to the password. To unlock the electronic device, the coding/decoding unit compares the password with a pre-stored password to determine whether to unlock the electronic device.

Abstract: A computer mouse includes a housing; a sliding plate is slidably connected to the housing; a first sub-switch and a second sub-switch arranged within the housing; a first operating portion mounted on one end of the computer mouse; a second operating portion mounted on an opposite end of the computer mouse; an image sensor configured for capturing images; a processing unit arranged within the housing; wherein, the first operating portion and the processing unit are connected to the first sub-switch, the second operating portion and the processing unit are connected to the second sub-switch, when the sliding plate sliding to one of two ends of the housing, actuating the one of the two sub-switches respectively.

Abstract: A lighting device comprising: a shell, a plurality of luminophors, a first slideway and a second slideway. The plurality of luminophors is set in an external surface of the shell. The first slideway and the second slideway each of which comprise an up peristome and a down peristome respectively. A plurality of trigger switches is set in the first slideway. Each of which is configured for connecting/disconnecting a first circuit, so as to turn on/off the one or more luminophors. A ball is located movable along the slideways. A launching device is set in a bottom of the second slideway and is configured for driving the ball to move. A controlling unit is configured for connecting/disconnecting a second circuit, so as to connect/disconnect a power supply, which supplies power for the lighting device via the first circuit.

Abstract: An electronic device with a holding mechanism is provided. The device includes a main body, a housing, a carriage, a first elastic member, a stopper member, a second elastic member, and a button. The housing includes a first sidewall, a second sidewall opposite to the first sidewall, and a third sidewall formed between the first sidewall and the second sidewall, an opening is defined in the second sidewall. The stopper member is slidably received in the housing and connected to the third sidewall. The carriage is slidably received in the housing and connected to the first sidewall. The ridge protrudes from the carriage and is capable of blocking a free end of the stopper member to retain the carriage in a retracted position. The button is slidably connected to the housing and includes a distal end, which engages with the stopper member.

Abstract: A keyboard includes a main body and a support in the main body. The main body includes a bottom defining two slots and two opposite sidewalls each defining a receiving hole. The slots communicate with the receiving holes, respectively. The support includes a rotation member, two driving members and two connecting members received in the two slots, respectively. Each connecting member includes a first arm and a second arm, wherein two ends of the first arm are rotatably connected to the rotation member and the second arm, respectively, the second arm is further rotatably connected to one of the driving members, and the second arm moves together with the one of the two driving members, causing the connecting ends of the first arm and the second arm to extend out of one of the two slots.

Abstract: A keyboard includes a housing defining a dust opening, a plurality of rows of keys mounted in the housing with two of the a plurality of lines of the keys forming a horizontal gap and at least one cleaning device. Each of the cleaning devices is secured in one of the horizontal gaps. The cleaning device includes a driving rod and a cleaning brush. One end of the driving rod is rotatably fixed to the sidewall of the housing, and the other is driven to rotate the driving rod. The driving rod defines an outer threading thereon. The cleaning brush includes a sleeve and a plurality of arms fixed on the outer surface of the sleeve. The sleeve defines an inner thread cooperated with the outer thread of the driving rod. The driving rod rotates to move the cleaning brush along the driving rod.

Abstract: A hinge comprises a rotatable bracket, a fixed bracket, a torsion spring, a locknut element and a shaft penetrating through the rotatable bracket, the fixed bracket, the spring and the locknut element. The rotatable bracket forms a through hole therein. The hinge further comprises an elastic hook and a driving element. The elastic hook is inserted into the through hole of the rotatable bracket to lock the electronic device when the electronic device is closed. A driving element mounted in the main body receives an operation of the user to push the elastic hook out of the through hole in order to open the electronic device.

Abstract: A wireless computer mouse includes a first operating portion, a second operating portion, a circuit board, and a switch. A pair of LEDs is mounted on the circuit board. One of the LEDs corresponds to the first operating portion, and another LED corresponds to the second operating portion. An optic member is mounted on the circuit board. The optic member includes two opposite reflecting portions. Each of the reflecting portions corresponds to one LED, and each of the reflecting portions is configured to reflect the light of the corresponding LED to highlight a surface underneath the mouse. The switch is configured for selectively enabling the first operating portion and the second operating portion. When the first operating portion is enabled, the LED corresponding to the first operating portion lights. When the second operating portion is enabled, the LED corresponding to the second operating portion lights.

Abstract: A notebook computer includes a display, a base, a first connector and a second connector. The display includes a cover. The cover includes a first arc-shaped end. The first arc-shaped end includes an inner surface. The inner surface includes a first conductive member. The base includes a base plate. The base plate includes a second arc-shaped end. The second arc-shaped end includes an outside surface. The outside surface includes a second conductive member. The first connector is electrically connected to the display and the first conductive member, and the second connector is electrically connected to the base and the second conductive member. When the first conductive member contacts the second conductive member, the first connector is electrically connected to the second connector.

Abstract: A keyboard includes a main body and a support for adjusting the angle of the main body. The bottom of the main body defines slots, and furrows defined in opposite side walls of the slots. The support is accommodated in the main body, includes brackets received in the slots, two shafts, two driving portions, and two elastic pieces. The shafts slide relative to the main body. The driving portions are received in the shafts and are flexible relative to the shafts. One end of each elastic piece is fixed to the sidewall of each shaft, the other end resists one of the driving portions. When one of the shafts is moved, the shaft drives the elastic pieces to support the driving portions, one end of each driving portion is pushed out of the shaft to prop up the bracket.

Abstract: A computer mouse includes a left key assembly, a right key assembly, a signal processing unit, and a casing. The casing includes a top casing and a bottom casing. The bottom casing includes a bottom convex surface, the contour of the bottom convex surface is an ellipse, the bottom casing defines two first openings in the bottom convex surface, and the two key assemblies are positioned in the corresponding first openings. Each of the left key assembly and the right key assembly includes a hollow receiving column, a movable shaft, an elastic member and a pressure sensor. The movable shaft is received in the receiving columns. The movable shaft and the pressure sensor are spaced from each other via the elastic element. The pressure sensor will generate a corresponding pulse when pressed by the movable shaft. The signal processing unit receives the pulse, and sends a controlling signal.

Abstract: A lighting device comprising: a shell; a first circuit; a light source set in the shell; an axis mounted in the shell; and an effective amount of conducting liquid. A rotation device and a switch device are rotatably connected to the shell via the axis. The switch device comprises a first storing cavity and a second storing cavity, which is configured for accommodating the conducting liquid. The first storing cavity communicates with the second storing cavity. A plurality of pairs of third grooves is formed in the first storing cavity. Each of which is set a pair of positive/negative terminals. Each of the pairs of positive/negative terminals is electronically connected to light source and the first circuit. A slide bar is formed on the rotation device, and is configured for pushing the conducting liquid inside of the first storing cavity.

Abstract: An encryption/decryption system includes a displaying unit, an operating unit, a pressure sensing unit and an indicating unit. The displaying unit is configured for displaying files. The operating unit is configured for selecting a desired file to be encrypted or decrypted. The pressure sensing unit is integrated with the operation of sensing a pressure applied on the operating unit and producing a signal corresponding to the sensed pressure. The indicating unit is integrated on the operating unit. The indicating unit is configured for receiving the signal outputted from the pressure sensing unit, emitting a sensible signal according to the signal associated with a sensed pressure, and recording a signal associated to the pressure and the duration of the pressure as a mixed password for use in the operation of encryption or decryption of the selected file.

Abstract: A vibration switch is provided. The vibration switch includes a housing; a plurality of conductive members are received in the housing and spaced apart from each other; a biasing member is suspended in the housing; a plurality of wires electrically connected to the conductive members and the biasing member respectively; wherein, when the housing receives a vibration, the biasing member is deflected and contacts one of the conductive members, thereby making an electrical connection between the biasing member and the conductive member. A circuit using the vibration switch is also provided.

Abstract: A system automatically adjusts environmental condition by detecting an environment value and controlling a window blinds and an environmental regulator according to a comparison between the environment value and a predetermined environment value.

Abstract: A portable computer includes a shell, a printed circuit board in the shell, a heat generating element, a heat conducting sheet, a primary heat dissipation unit, a subsidiary heat dissipation unit, and a heat-transfer unit. The heat generating element is electronically connected on the printed circuit board. The heat conducting sheet is positioned on the heat generating element. The heat-transfer unit includes a heat-transfer member and a drive unit. The heat-transfer member connects to the heat conducting sheet. The drive unit moves the heat-transfer member to connect with the primary heat dissipation unit or the subsidiary heat dissipation unit.

Abstract: An LED light lamp includes a lamp body, an adjusting rod, a number of light panels, and at least one rheostat. The lamp body defines a chamber therein. The adjusting rod includes a sliding bar, and an adjustable panel extending outwards from and surrounding an end of the sliding bar. The sliding bar is slidably received in the chamber of the lamp body. The adjustable panel includes an annular periphery. Each light panel includes a number of LED chips distributed on the light panel, and is pivotally mounted on the lamp body and against the annular periphery of the adjustable panel. A rheostat is electrically coupled into a power supply circuit of the LED chips. The resistance of the rheostat is adjusted to control the current flowing through the LED chips by the sliding bar when the sliding bar slides in the lamp body.

Abstract: An electronic device is provided. The electronic device includes a display, a sliding member, and a main body. The display includes two connecting members. The sliding member is rotatably connected to the connecting member. The main body includes a housing, a first casing, and a second casing. The housing defines two slots. Each slot extends through the housing. The first casing is secured to the housing. The first casing and the housing cooperatively define a first receiving space communicating with the slots. The sliding member is slidably received in the first receiving space. The second casing is secured to the housing. The second casing and the housing cooperatively define a second receiving space to receive the display. The second receiving space communicates with the first receiving space and defines an opening. The display is pushed into and out of the second receiving space from the opening.

Abstract: An electronic device includes a main body, a circuit board, a receiving space defined in one side of the main body, a plurality of USB ports and a driving module. The receiving space includes a plurality of sets of fixed contacts on a bottom thereof, and the fixed contacts are electrically connected to the circuit board in the main body. The plurality of USB ports are slidably received in the receiving space, and each USB port comprises a set of external contacts. The driving module is configured to push one of the USB ports to a first position, wherein the USB port is able to slide from the first position to a second position where the set of external contacts of the USB port engages one of the plurality of sets of fixed contacts, which electrically connects the one of the USB ports with the circuit board.