43results about How to "Avoid electrical damage" patented technology

A wireless IC device includes an electromagnetic coupling module, which includes a feeder circuit board having a wireless IC chip arranged to process transmission and reception signals mounted thereon, and a radiation plate. Linear loop electrodes provided in the radiation plate are electromagnetically coupled to planar electrodes located on a surface of the feeder circuit board. A signal received by the radiation plate drives the wireless IC chip. A response signal from the wireless IC chip is transmitted to the outside from the radiation plate. A frequency of the transmission and reception signals is substantially determined by inductance of the loop electrodes, capacitance between the loop electrodes and the planar electrodes, and stray capacitance generated between lines of the loop electrodes.

A connecting structure includes a unit body including a case having an electronic-component housing concave portion and a fitting-connection concave portion and an electronic component housed in the electronic-component housing concave portion and making a first connecting portion in the fitting-connection concave portion; an electric wire having an electric-wire side terminal in the middle of the electric wire in an electric-wire direction; and a cover member having an electric wire housing portion held on the electric wire so as to overlie an area of the electric-wire side terminal and a cover side fitting part to be fitted in the fitting-connection concave portion. In such a configuration, after the cover member is previously assembled with the electric wire to form a cover-assembled wire, the cover-assembled wire is fit in the fitting-connection concave portion and simultaneously therewith the first connecting portion is connected to the electric wire side terminal.

Intracellular material is released from bacterial, yeast, plant, animal, insect or human cells by the application of a low voltage such as 1 to 10 V to a suspension containing the cells. The conditions may be selected such that DNA released from the cells is electrochemically denatured so as to be available for use in an amplification procedure.

The present invention relates to a plasma display apparatus, and more particularly, to a plasma display apparatus and driving method thereof, in which scan electrodes are scanned according to one of a plurality of scan types and a last sustain pulse of sustain pulses applied to scan electrodes or sustain electrodes is controlled. The plasma display apparatus of the present invention comprises a plasma display panel comprising a plurality of scan electrodes, a plurality of sustain electrodes, and a plurality of data electrodes crossing the plurality of scan electrodes and the sustain electrodes, and a controller for scanning the scan electrodes using one of a plurality of scan types in which the order of scanning the plurality of scan electrodes is different in an address period, applies a data pulse to the data electrodes corresponding to one scan type, and controls a difference between an application time point of a last sustain pulse of sustain pulses, which are applied to the scan electrodes or the sustain electrode in a sustain period subsequent to the address period, and a application time point of a reset pulse, which is applied to the scan electrodes in a reset period of a next sub-field, to be greater than a difference between application time points of the two sustain pulses, in at least one of sub-fields of a frame.

A device and method for activating the electronic odometer of a vehicle without using an electrical power source residing on the vehicle. The device is housed in a portable case and includes an electrical power source, a load circuit for connecting the power source to the electrical system of a vehicle, and a fault protection circuit that is electrically in parallel with the load circuit for protecting the vehicle and the device from damage that could otherwise result from a short circuit in the vehicle's electrical system. The method includes a series of steps that involve connecting electrical power to the vehicle's computer and various electrical subsystems in a predefined order.

If an edge of a sheet metal of a image forming apparatus damages an electric cable, the image signal is distorted and no correct image is formed since the damage causes feeding failure and signal deterioration. This is remarkable in the conventional digital electrophotographic apparatus, since the drive signal to drive a laser or a light emitting diode (LED) for exposing the photosensitive body becomes higher in frequency as a resolution and speed are increased and tends to generate the electric noise. In order to prevent damage of an electric cable by a metal frame, an apparatus having a holder for holding a feed cable is provided.

The invention discloses a contact system of a circuit breaker. The contact system comprises a first current-carrying copper bar, a second current-carrying copper bar, a static main contact, a moving main contact, a static arc contact, a moving arc contact assembly, a moving contact rod, a spring mechanism and a flexible connection mechanism, wherein the first current-carrying copper bar and the second current-carrying copper bar are fixedly installed on the frame of a circuit breaker, the static main contact and the static arc contact are fixedly installed on the first current-carrying copper bar, the static arc contact is located above the static main contact, one end of the spring mechanism is rotatably connected with the frame of the circuit breaker, the other end is rotatably connected with the moving contact rod; the moving main contact is fixedly installed on the side face of the top end of the moving contact rod, the moving arc contact assembly is installed at the top end of the moving contact rod, the moving arc contact assembly is electrically connected with the second current-carrying copper bar through the flexible connection mechanism, the moving arc contact assembly comprises a moving arc contact, the moving arc contact can move within a certain range, and is located above the moving main contact, and the moving main contact and the moving arc contact can move along with the rotation of the moving contact rod.

The invention discloses an overhead transmission line disc insulator antifouling explosion-proof protection device, which comprises a protection support mechanism, wherein the protection support mechanism comprises a protection shell supported and fixed with the bottom, the protection shell comprises a protection box supported and fixed with the ground, and a wire arrangement unit is arranged in the protection box; a plurality of wire arranging panels and a plurality of wire arranging sleeves used for being inserted in a penetrating mode are fixedly installed in the middles of the side walls of the wire arranging units, a plurality of limiting through holes are formed in the ends of the wire arranging sleeves, guide pipes are embedded in the limiting through holes, and the interiors of theguide pipes are communicated with the interior of the protection shell in a sealed mode through embedded pipe bodies. The inner wall of the protection shell is also filled with an insulating layer for keeping the cable warm. According to the scheme, through the arrangement of the protection mechanism, the protection shell and the protection box, a good protection effect on the power transmissionline is conveniently achieved.

The invention relates to the technical field of building design, and discloses a casement window automatic closing device based on capacitance sensing. The casement window automatic closing device comprises a frame and a window body. An induction assembly is movably connected in the frame. An electromagnet is fixedly connected in the frame. A sliding rail is fixedly connected in the frame. A sliding rod is movably connected in the sliding rail. The outer portion of the sliding rod is movably connected with a first spring, and the outer portion of the first spring is movably connected with a connecting rod. Under the interaction of the electromagnet, the sliding rail, the sliding rod, the first spring, the connecting rod, an iron block, a first gear, a second gear and a chain, it can be guaranteed that the device can achieve automatic window closing when it is rains, triggering is sensitive, the arrangement will meet use of actual use, the situation that severe economic losses of electric appliance damage and the like are caused due to the fact that rainwater enters rooms is greatly avoided, and the device is more suitable for regions with weather changing rapidly.

A power plugging device with a function of releasing charges from electric surges serves for resolving problems caused by the switching surge generated by the electric system load switch, or the lightning surge generated directly or indirectly by the lightning. Accordingly, the damages of the electric appliances caused by electric pulses are avoided. A wrap layer forms between the plugging terminals. The wrap layer comprises a hollowed space. Furthermore, an electric discharging hole penetrates through the wrap layer from the hollowed space. Two terminals are mounted within the wrap layer and separated to each other for a certain distance. The tails of the two terminals are electrically connected to the plugging terminals respectively. While an instant high voltage/electric pulse generates, the terminals are used for point discharging. The hollowed space and the electric discharging hole form an electric discharging path for protecting the circuit.

The invention discloses an automatic test method, a system and a device for an overcurrent protector. The method comprises the following steps: inputting an analog current to the overcurrent coil of the overcurrent protector; judging whether the overcurrent protector is abnormal or not by monitoring the output voltage and/or the action condition of each overcurrent element of the overcurrent protector. According to the automatic test method, the system and the device for the overcurrent protector, an automatic monitoring of various parameters in the whole testing process is realized by simulating current driving; by inputting the analog current to an overcurrent coil pin to trigger a coil action, the operation inconvenience caused by manual test is solved, and the operation risk is eradicated, thereby effectively preventing a controller from being damaged by an overcurrent caused by ignition of the coil, effectively improving situations of the overcurrent damage of the controller, eradicating missing detection, misoperation and the like, and meanwhile, improving the testing efficiency; comparing to a manual testing, a lot more test points are added, thereby greatly optimizing the operation steps, improving the testing efficiency, and ensuring the qualified rate of the test product to be 100%.

The present application discloses a liquid crystal panel, includes a CF substrate forms a display and a non-display region; the CF substrate including a plurality of color resist modules and a planarization layer, the plurality of color resist modules is arranged in a matrix within the display region, the planarization layer including a shielding layer and a plurality of the first color resist connected to the shielding layer, the plurality of the first color resist and the color resist modules are alternately arranged in the display region, the shielding layer is covering the plurality of the color resist modules, a conducting polymer is added in the planarization layer; an array substrate includes a grounding pad disposed facing to the non-display region; a conductive particle is added in the sealant and the sealant is connected to the planarization layer and the grounding pad to make the planarization layer connecting to ground.

The invention belongs to the technical field of illumination and discloses an LED lamp panel aging device. The device comprises an operation platform, a voltage stabilizing power supply, a lamp panel clamping groove and a closing cover. The lamp panel clamping groove is fixedly formed in the operation platform and vertically fixes an LED lamp panel to be aged; the voltage stabilizing power supply is fixed to the back face of the operation platform and is electrically connected with a power supply clamping head on the lamp panel clamping groove to supply power to the LED lamp panel to be aged; the closing cover is fixed to the operation platform and used for closing the LED lamp panel to be aged and the lamp panel clamping groove on the operation platform. The closing cover is of a transparent acrylic plate structure. By means of the LED lamp panel aging device, LED lamp panel aging operation is stable and reliable, and the operation process is safe.

In a flat type image forming apparatus formed by electron emitting devices, the invention is to provide a light emitting substrate, capable of relaxing influence of an abnormal discharge on the electron emitting devices. On a glass substrate 1 , a resistor member 4 extending in X- and Y-direction, and a black member 6 extending in X- and Y-directions are formed. Phosphors 5 are positioned in apertures of the black member 6 , and are covered by metal backs 7 divided in X- and Y-directions. The metal backs 7 and the resistor member 4 are electrically connected through the black member 6 , and the resistance between the metal backs 7 is defined by the resistor member 4 in the Y-direction in which the adjacent metal backs 7 have a wider gap than in the X-direction.