146results about How to "Avoid permanent damage" patented technology

An apparatus for interspinous spinal fixation is disclosed, which includes a main body having an end thereof as a distal end, and another end thereof as a proximal end, a cross section of the main body being of an annular or quasi-annular structure. A first joining point and a second joining point are provided at the distal end that are symmetric to each other relative to an opening of the annular or quasi-annular structure, while a third joining point and a fourth joining point are provided at the proximal end that that are symmetric to each other relative to the opening of the annular or quasi-annular structure. A first lateral piece, a second lateral piece, a third lateral piece, and a fourth lateral piece are joined with the first, the second, the third, and the fourth joining points of the main body, such that the first and the second lateral pieces can rotate axially about the first and the second joining points, thereby rotating from a folded position on the main body to an extended position; and the third and the fourth lateral pieces can rotate axially about the third and the fourth joining points, thereby rotating from a folded position on the main body to an extended position.

An electric cable includes a strain sensor longitudinally extending along the cable and including a strain optical fibre arranged within a bending neutral region surrounding and including a bending neutral longitudinal axis of the electric cable, and at least two longitudinal structural elements, at least one of the at least two longitudinal structural elements being a core including an electrical conductor, wherein the strain sensor is embedded in a strain-transferring filler mechanically coupling at least one of the at least two longitudinal structural elements with the strain sensor. With the disclosed cable construction, the strain experienced by the at least one of the at least two longitudinal structural elements is transferred to the strain sensor at least in a strained condition. In the preferred embodiments, the electric cable is a heavy-duty cable.

The invention discloses an array substrate, a display device and a method for driving the array substrate, relates to the display field, can realize polarity inversion, and also can effectively reduce driving voltage of a pixel electrode and a public electrode so as to realize a purpose of reducing consumption of electric quality. The array substrate comprises a plurality pixel units, a plurality of grid lines, a plurality of data lines, a plurality of first public electrode lines and a plurality of second public electrode lines, wherein the plurality of grid lines are used for providing grid scanning signals for the pixel units; the plurality of data lines are used for providing data signals for the pixel units; each first public electrode line is connected with an odd-column of pixel units, each second public electrode line is connected with an even-column of pixel units, public voltages with inverse polarities are respectively provided for the odd-column of pixel units and the even-column of pixel units, and the polarity of driving voltage difference loaded to any one pixel unit by using the data lines and the first/second public electrode lines is opposite to the polarity of the public voltage loaded to the pixel unit.

The invention discloses a system for providing over-current protection for a switching power converter. The system comprises a front-edge blanking circuit, a linear compensation circuit and an over-current protection comparer, wherein the front-edge blanking circuit is configured to generate a front-edge blanking effect on a detection signal of a current which flows through an external switching tube of the switching power converter; the linear compensation circuit is configured for performing linear compensation on a threshold voltage of the over-current protection comparer; and the over-current protection comparer is configured for generating an over-current protection comparison signal. By a linear compensation over-current protection circuit, the time delay of a system internal over-current protection output signal is taken into consideration, so the permanent damage of a switching tube of a metal-oxide semiconductor field effect transistor (MOSFET) caused by large-current conduction which may be generated at a high input voltage is avoided; and a maximum output power is stabilized, so the maximum power planarization of a power system can be realized in a full-voltage input range.

An emergency lighting equipment with an automatic charge/discharge and monitoring system is provided. The emergency lighting equipment comprises an operating mode control circuit, a rectify/voltage-divide and voltage regulation circuit, a main control unit, an illuminating apparatus and a battery. A battery discharge operating is initiated when the main control unit detects the passage of a preset period without any battery discharge operation. The main control unit also terminates a battery discharging operation when the discharge operation is completed and terminates a battery charging operation after the battery has been float-charged for a preset period of time. The emergency lighting equipment may include a battery state inspection circuit for issuing a warning signal when the battery is found to be defective.

A card insertion structure of an electronic device is provided, which includes an accommodating groove caved in the electronic device, a first cover covered on the accommodating groove, a card slot extending from a wall of the accommodating groove, and a second cover pivotally disposed on the electronic device. The card slot is used for inserting a card such as a subscriber identity module (SIM) card, and the first cover catches the second cover to be in a covered position. When the card is to be ejected, the second cover cannot be pivoted unless the first cover is removed first, and the second cover pushes the card to move outwards when being pivoted, thus achieving the purpose of ejecting the card. Furthermore, due to the catch of the first cover, the card cannot be ejected if the second cover is inappropriately pivoted, thereby avoiding damaging the card.

The invention relates to a micro five-dimensional force sensor with overload protection and a method for acquiring force vector information. The micro five-dimensional force sensor is used for being mounted on a robot or a manipulator; and the sensor consists of a fingertip, an elastomer with a double E-type film structure and a pedestal. The micro five-dimensional force sensor adopts strain electric measurement technology, uses a double E-type film connected together by a middle transmission column as the elastomer, sticks a strain foil on the elastomer and simultaneously acquires information of five-dimensional force acting on the sensor. According to the acquired information of the five-dimensional force, the size, the direction, the acting point and other force vector information of outside force are converted. The sensor has an overload protection mechanism and can avoid causing permanent damage to the senor by severe working environments of the sensor, such as large fluctuation of the outside force and other causes.

In a brushless direct-current drive with a synchronous motor (10), which has a stator (12) that supports a multi-phase stator winding (15) and a rotor (13) equipped with permanent magnet poles (20), and with a switch unit (11), which precedes the stator winding (15), for commutating the stator winding (15), in order to produce a fail-silent behavior, a field excitation winding (21) is disposed in the rotor (13), which winding can be supplied with current in the event of a malfunction so that it generates a magnetic flux oriented in the opposite direction from the magnetic flux of the permanent magnet poles (20) (FIG. 2).

A mailbox mount which includes a heavy-duty spring connecting the mailbox to post via a mounting element. The spring allows the mailbox to return to its initial position after being contacted by another item, such as a snowplow or the like to prevent permanent damage to the mailbox. The mailbox mount also includes a mailbox mounting plate with a protective lip or shield on at least the delivery side of the mailbox.

The invention relates to a thermal imager for resisting strong-light damage, which comprises an infrared camera lens, a shutter and an infrared detector, wherein the shutter is connected with a drive motor capable of driving the shutter to be opened and closed. The thermal image also comprises an FPGA (Field Programmable Gate Array) controller, wherein the FPGA controller comprises an image gray monitor module, am image comparison module and a shutter control module. According to the invention, a method for resisting the strong-light damage comprises a step of controlling a detector to close the shutter on a condition that the FPGA controller detects that multiple frames of images include strong light so as to ensure that the strong light cannot pass through the shutter to damage an imaging element behind the shutter, therefore, the effect of protecting the thermal imager can be achieved.

A seating pad assembly is provided for use by travelers to increase the comfort for a seat on a public transportation vehicle or at a public transit terminal. A system and method for ordering the seating pad assembly for a transportation seat includes at least one terminal configured for entering an identifier indicative of a type of transportation seat purchased, e.g., a class of service; a server configured for receiving the identifier, determining dimensions of the seating pad assembly based on the identifier, and generating an order to acquire the determined seating pad assembly; and a communications network for coupling the at least one terminal and the server. The terminal may be configured in the form of a computer, a kiosk or a mobile terminal. The system will allow a purchaser of a transportation seat to either purchase or rent the seating pad assembly.

The invention belongs to the technical field of micro-nano manufacturing, and in particular relates to a method for manufacturing a large-area three-dimensional nano grid structure based on a one-dimensional soft template nanoimprinting technology. The method comprises the following steps of: performing first-time nanoimprinting by using a soft template; removing a imprinting glue residual layer by oxygen reactive ion etching (RIE); degumming by using a manufactured imprinting glue pattern as a masking film etching substrate material to obtain a one-dimensional nano grating structure; performing a second-time imprinting and etching process by using parameters the same as those of the previous imprinting and etching process; and adjusting the included angle formed between the direction of the template during the second-time imprinting and the direction of the template during the first-time imprinting to be between 0 and 90 degrees so as to obtain the three-dimensional nano grid structure with a 25nm nano-point. Due to the adoption of the soft template, permanent damages caused by contacting a hard template with a hard substrate can be effectively avoided, and the usage of a three-dimensional template is avoided simultaneously. The size and the shape of the manufactured nano structure are controllable. The method is low in cost and high in efficiency, controllability and resolution.

A hybrid vehicle has an internal combustion engine and a coolable electrical system having at least one connectable electrical machine, power electronics and energy store. The electrical machine can be operated as a motor or a generator. The acceleration profiles of the vehicle, power profiles of the electrical system and temperature profiles of the electrical system are recorded and stored during the respective lap that is being driven and, furthermore, the profile of the performance of the electrical system is optimized with respect to the thermal load capacity of the electrical system in the respective next lap. This allows an optimum power profile of the electrical machine during real operation when a circuit is driven around repeatedly.

The present invention relates to an axle arrangement (1) used for a motor car. A wishbone or double wishbones are coupled to a motor car body over an axle auxiliary frame (2) and the axle auxiliary frame (2) is provided with a front body attachment (5) for connecting with the motor car body. The front body attachment (5) is in threaded connection with the motor car body, and is disengaged from the motor car body when a force threshold value is reached. Hereon when a corresponding force is introduced, destructive damage to the motor car body is prevented through the axle auxiliary frame (2), thereby reducing maintenance cost in specific motor car accidents. According to the axle arrangement provided by the invention, the front body attachment (5) is constructed to an integrated tower-shaped deep punched component. The deep punched component has high torsion resistance and furthermore the structural tissue of the deep punched component is not affected because of no welding technical connector or other similar connections.

The invention discloses a self-healing waterproof electric aerial optical cable connector box which comprises a connector box body, a connector box body fixing rack and a self-healing repairing device, wherein the connector box body comprises a base plate, a cap cylinder and an inner core arranged inside the cap cylinder, the inner core is fixed on the base plate through an installation bottom plate, the cap cylinder is buckled on the base plate, and the cap cylinder is connected with the base plate through threads; the self-healing repairing device comprises a small power supply device, repairing gas cylinders and a humidity detection device, the small power supply device comprises a solar panel and a storage battery, the number of the repairing gas cylinders is two, an atomizing nozzle is arranged on the opening of each repairing gas cylinder, an electromagnetic switch valve is arranged on the opening side of each repairing gas cylinder, and the humidity detection device is arranged on the installation bottom plate. According to the self-healing waterproof electric aerial optical cable connector box, self-healing repairing of the optical cable connector box is achieved, sealing between the cap cylinder and the base plate is ensured, and permanent damage to optical fibers caused after water enters the optical cable connector box is avoided.

The invention provides a test structure for transistors. The structure comprises an electric-charge storage element and a discharge element which are in parallel connection between a grid of a tested transistor and a substrate, wherein the area of the electric-charge storage element is larger than that of the transistor. The electric-charge storage element and the discharge element are taken as protective elements, can prevent instantaneous high current produced by electrostatic discharge from destroying a thin-grid oxide layer of a semiconductor transistor and even breaking down a grid of the semiconductor transistor so as to cause permanent damage.

The invention discloses a vault deflection control method in catenary arch springing increased cross-section reinforcement construction. Basic parameter values of a structure are obtained according toa design drawing; a cable is adopted to approximately replace a catenary; the deflection of the section of a vault when a unit force acts upon any section of a catenary arch is calculated; the deflection of the vault at the moment is calculated by using a reinforcement section length, which is determined by a construction scheme, and the cubic amount of desired concrete; and the deflection of thevault which is actually measured on site is compared with the calculated deflection. The vault deflection control method in the catenary arch springing increased cross-section reinforcement construction is used for constant section catenary hingeless arches. Compared with the existing most common finite element method, the vault deflection control method in the catenary arch springing increased cross-section reinforcement construction has the advantages that real-time control can be performed on the construction site under the coordination of a scientific calculator; the operation is simple;the realization is easy; and defects that the calculation time is long, parameters cannot be directly obtained to affect rules and so on due to the adoption of the existing commonly used finite element method are overcome. And meanwhile, according to the vault deflection control method in the catenary arch springing increased cross-section reinforcement construction, an analytic expression directly reflects the mechanical relation between the vault deflection value and each parameter of the structure to be beneficial for engineers to master the reinforcement design and the construction scheme.

The invention discloses a method and device for performing online monitoring to fatigue damage of KTP crystals. According to the method, the He-Ne laser transmission rate of a laser radiation area can be reduced by utilizing the fatigue damage generated under the mutual action of the KTP crystals and high-strength laser, so that the fatigue damage of KTP crystals can be monitored in an online manner by utilizing He-Ne laser; the device comprises a high-energy laser device, a lens, KTP crystals, a light absorbing pool, a spectroscope, a He-Ne laser device, a first energy meter, a second energy meter, a synchronous controller, a router and a computer control system. the transmission rate of He-Ne laser can be calculated in real time through the computer control system through utilizing the KTP crystals to absorb light, and the fatigue damage status of the KTP crystals can be judged, the on and off of the high-energy laser device can be accurately controlled, and the permanent damage of the KTP crystals can be avoided, the control precision is high, the operation is convenient and simple, and reliable guarantee is provided for accurately determining the fatigue damage of the KTP crystals.

A method of treating inflammatory pain conditions is provided that involves administering an effective amount of a TRPV1 agonist, such as resiniferatoxin, tinyatoxin and related potent agonists and their analogs, to a patient to selectively induce nerve terminal depolarization block and/or nerve terminal death in select TRPV1-containing neurons, to provide the desired pain relief without significant permanent damage to cell bodies of the select TRPV-1 containing neurons.

A solar battery lighting cover comprises a central lighting lens and a ring-shaped lighting lens, in characterized that the central lighting lens uses a flat convex lens structure, the ring-shaped lighting lens uses a ring-shaped lens structure with a certain of height, the central lighting lens is disposed above the ring-shaped lighting lens, the lower surface of the central lighting lens has the same size with the round cross-section enclosed by upper edge of the ring-shaped lighting lens; the cross-section of the ring-shaped lighting lens also uses a flat convex lens; when being used, the solar battery lighting cover according to the invention can use the central lighting lens to focus the light when the solar incident angle is greater than or equal to 30 degree, in order to enhance the lighting efficiency; use the light refraction from the ring-shaped lighting lens to obtain sufficient light when the solar incident angle is less than 30 degrees, in order to generate power; meanwhile, the solar lighting cover according to the invention can avoid the problem of low efficiency or even damage resulted from being partially covered.