102 results about "Contact states" patented technology

A computer implemented method of conducting a teleconference is disclosed. The method includes selecting a group of potential conferees using a graphical user interface tool displayed on a display screen, automatically setting up the teleconference by accessing telephone numbers for each conferee of the group of potential conferees and individually attempting to make contact with the group of potential conferees over a telephone system. The method further includes updating contact status information for the group of potential conferees during the automatic set up of the teleconference. A teleconference is established between the available conferees of the group of potential conferees.

A controller 50 for estimating a maximum internal temperature of a battery pack 14 processes battery pack input / output limitations. The controller 50 estimates: a difference between a surface temperature and an internal temperature of the battery pack 14; a temperature difference that is dependent on different internal resistances of unit cells 12; a temperature difference that is dependent on contact states of a plurality of temperature sensors 32 with the battery pack 14; and a temperature difference that is dependent on different detection characteristics between the temperature sensors 32. The controller 50 further limits the input / output electric power of the battery pack 14 based on the estimated maximum internal temperature.

The invention provides a dot-matrix magnetic control convex point braille displayer. The displayer comprises a surface shell, a contact array formed by contact modules and a circuit board, wherein each contact module comprises a contact shell, a base, a coil, an iron core, an ejector rod, a permanent magnet, a positioning pin, a contact and a spring; under the action of the driving force provided by an external circuit, change and lock of slip sheets of the positioning pins on the bases are realized under the combined action of the acting force generated by pushing the permanent magnets with an electromagnet and the acting force of the springs, thus realizing transition of the contact states between smooth and projection and lock of the contact states; elastic metal sheets on the bases form a feedback path which can be used for feeding back the states of the contacts; and the friction generated when the components move is reduced by spraying polytetrafluoroethylene on the surfaces of the contact cases, the bases, the ejector rods, the permanent magnets, the positioning pins, the contacts and the springs, thus shortening the reaction time of the contacts and reducing the error display rate. The displayer can be used on various braille display equipment.

The invention discloses a train control system adapting to existing line reconstruction. The train control system adapting to existing line reconstruction comprises ground equipment and on-board equipment. The ground equipment comprises an interlocking system, a parallel-port LEU and an active balise which are mounted in a station and connected sequentially, wherein the parallel-port LEU combines contact states of the interlocking system into access selection conditions and sends station messages to the corresponding active balise, and when a train passes through an acting range of the active balise, the active balise sends the corresponding station message to the on-board equipment of the train. The on-board equipment comprises a BTM (balise transmission module), a BTM antenna and an automatic train protection system, wherein when the train passes through the acting range of the active balise, the BTM receives the station messages sent by the active balise and sends the station messages to the automatic train protection system for subsequent processing. The train control system adapting to existing line reconstruction has the advantage that access information is sent to the on-board BTM through the station messages to enable a driver to acquire correct access information directly, so that the train pull-in risk that the driver selects wrong access information due to misoperation is avoided.

The invention relates to an interface contact state nonlinear ultrasonic testing method which belongs to the nondestructive testing filed. The method comprises the following steps: determining the frequency and the periodicity of detection signals according to the size and the material performance of a test piece forming a contact interface; by applying different pressures to a rough interface, changing the contact state, and carrying out ultrasonic transmission detection test on the rough interface; by carrying out nonlinear least-squares approximation processing on testing data of the test,determining micro characteristic composite parameters of the interface, computing a first-order rigidity coefficient and a second-order rigidity coefficient which are used for expressing the characteristics of the rough interface, and realizing ultrasonic expression of the contact characteristics of different rough interfaces. In the invention, the nonlinear ultrasonic coefficients are adopted toexpress the contact characteristics of the interface, the nonlinear ultrasonic detection has higher sensitivity comparing with the linear ultrasonic; by combining the micro texture and the rigidity relation of the interface, the method enables the macroscopic property of the interaction of the ultrasonic and the contact interface to be associated with the microcosmic property of the contact surface, thereby evaluating contact states of different microcosmic interfaces.

The invention discloses a system and a method for a simulation test of a contact state of an isolating switch contact in GIS (Geographic Information System). The system comprises a shell, wherein an upper insulating cover plate and a lower insulating cover plate are respectively arranged at upper and lower ends of the shell; a static contact penetrates through the upper insulating cover plate; the static contact and the upper insulating cover plate are statically sealed; a movable contact detachably penetrates through the lower insulating cover plate; the moveable contact and the lower insulating cover plate are movably sealed; the static contact is provided with a groove into which the moveable contact can be inserted. The system provided by the invention can be used for simulating the contact states under the condition of different contact depths, contact materials and contact pressure; voltage and current are applied to the moveable contact and static contact in a test; the contact resistance and the contact temperature under different contact states can be measured practically; the system provided by the invention can be used for researching the relation and change rule of the contact resistance, contact temperature and contact state of the isolating switch contact in GIS and can establish a basis for the detection for the contact state of the isolating switch contact in GIS.

A contact shape computing apparatus for detecting contact between a plurality of three-dimensional solid models and computing a contact shape between two solid bodies in contact with each other includes the following elements: a collision detector operable to detect a collision or contact between the two solid bodies; a contact plane setting unit operable to define a contact plane that passes through a common region of the two solid bodies; a contact problem solving unit operable to individually solve contact states of the solid bodies with the contact plane as half-contact problems; and a contact shape computing unit operable to compute the contact shape between the two solid bodies by uniting solutions of the half-contact problems for the associated solid bodies, the solutions being obtained by the contact problem solving unit.

The invention discloses a high / low-temperature slide / roll tribological property experimental table which comprises a vertical electric spindle, an inclined electric spindle, an upper cover plate, an air bearing, a force measuring structure, a temperature control device, a speed sensor and a pressure sensor, wherein the upper cover plate is horizontally arranged and is supported by the air bearing; the upper cover plate is connected with the inclined electric spindle; the shaft end of the inclined electric spindle is connected with a spherical or roller-shaped first test piece; the shaft end of the vertical electric spindle is connected with a disc-shaped second test piece; the first test piece is contacted with the surface of the second test piece; the force measuring structure measures the horizontal direction force of the inclined electric spindle transmitted to the upper cover plate; the speed sensor measures the rotating speed of the two electric spindles; the pressure sensor measures the pressure between the two test pieces; and the temperature control device controls environment temperature of the first test piece and the second test piece. The invention aims to provide a scientific method or technical means which can comprehensively and deeply research tribological properties such as friction, wear and lubrication of mechanical drive parts in slide-roll contact states under different temperatures.

The invention provides an acquisition method of a contact list, which comprises the following steps of: maintaining a recent contact list, wherein each contact of the recent contact list contains the unique identification of the contact, the last-time contact time of the contact and the recent contact frequency of the contact; when the contact state of a certain contact is updated, calculating the new recent contact frequency of a certain contact and updating the recent contact list; sorting the recent contact list according to the recent contact frequency of the contact, and screening the sorted recent contact frequency to acquire the contact list. The method facilitates users quickly positioning and finding out frequently contacting contacts recently from numerous contacts to communicate.

A high-frequency relay comprises a body containing a contact unit having at least one contact terminal protruding from a bottom surface of the body, contact states switched according to energization of a coil and a base covering at least a bottom surface of the body. The contact unit is connected with at least one contact terminal. The base has a grounding function and includes a conductive layer.

The present invention provides a robot apparatus which can determine a contact state at a contact point without increasing the contact point, can be miniaturized, and also can decrease the cost. Contact points are provided in a hand device. Contact points are provided in a tool device, which come in contact with the contact points, respectively, when the tool device has been mounted on the hand device. A voltage detecting circuit is provided in the tool device, which detects a voltage between the contact points. The controlling circuit determines contact states between the contact points and the contact points, by using a value of the voltage which has been detected by the voltage detecting circuit.

An exemplary electronic device is in a housing to be gripped by both hands, and measures the potentials of first and second fingers of respectively different hands. The device includes: a first electrode group provided in a position to come in contact with the first finger, including a first main electrode and at least one first auxiliary electrode provided in a position away from the first main electrode; a second electrode group provided in a position to come in contact with the second finger, including a second main electrode and at least one second auxiliary electrode provided in a position away from the second main electrode; a biological signal processor for, from potential values measured at the first and second electrode groups, determining respective contact states concerning the first and second fingers; and a transmission circuit for presenting information concerning a finger contact state based on a result of determination.

An electric steering wheel lock device includes a control circuit that starts and stops supplying power to a motor that actuates a lock mechanism to lock and unlock a movable member of a vehicle steering mechanism. The control circuit changes contact states of first and second relays to switch a supplying direction of the power. A drive restriction unit stops and starts supplying power to a drive circuit for the motor. The control circuit changes contact states of the first and second relays when the drive restriction unit stops supplying power to the drive circuit.

A disc brake apparatus that can keep a stable contact state between a torque transmitting part of a brake pad and a torque receiving part of a mounting, so as to reliably suppress a brake noise phenomenon. At the time of forward braking where a main body member of a brake pad is pressed against a disc rotor, the rotational moment acting on the main body member of the brake pad from the disc rotor is absorbed by the main body member rotating relative to a forward braking torque transmitting member about one pin joint, so as to be restrained from being transmitted to the forward braking torque transmitting member. As a result, the respective contact states between two torque transmitting protrusions formed in the forward braking torque transmitting member of the brake pad and torque receiving surfaces formed in a forward braking torque receiving part of a mounting are held stable.

A mechanical environment testing system of an electromagnetic relay relates to the measuring field of the electromagnetic relay, solving the problem that the control information of vibration conditions and the monitoring information of contact states cannot be obtained simultaneously in existing testing processes. The system adds a contact monitoring module and the input end of the contact monitoring module is connected to a contact of a relay to be tested. The output end of the contact monitoring module is connected to the input end of a data collection module. The output end of the data collection module is connected to the input end of a microprocessor and the input end of a communication module. The microprocessor is connected with the communication module in series. The communication module is connected with a USB port of an upper computer. The system combines the microprocessor and a real-time system to put up a closed-loop system and control an electromagnetic vibration table so as to achieve high control precision, truly simulate the working environment, exactly determine the failure mode of elements and mechanical weak links and further provide necessary material for vibration protection. The system realizes simultaneous working of the vibration test and the contact monitoring so as to more accurately record the mechanical weak links of the tested electric appliances.

A method and apparatus are provided for prompting an agent of an automatic contact distributor during a customer service contact with a client. The method includes the steps of detecting a state of the customer service contact with the client via operation of a terminal of the agent; selecting a set of possible responses for use by the agent from a plurality of sets of possible responses that are appropriate to the detected state of the customer service contact and visually prompting the agent with the selected set of possible responses.

The invention discloses an early warning device for rollover of a car. The early warning device comprises a horizontal acceleration early warning device, rollover detecting devices, a control device and a warning device, wherein a spring is respectively arranged between the two ends of a sliding block and a polished rod; when the two springs are in a balanced state, the sliding block is positionedat the middle part of the length direction of the polished rod; moving induction contacts in two groups of induction contacts are symmetrical by the central section in the width direction of a frame;the rollover detecting device comprises a supporting frame arranged at the lower side of the frame, rolling wheels and sliding rods; lower induction contacts are arranged at the lower sides of upperinduction contacts in sliding grooves; when the sliding rod slides in the sliding grooves, the upper induction contacts and the lower induction contacts are in contact and non-contact states. The early warning device for rollover of car disclosed by the invention carries out in-time early warning on different conditions of the car by double rollover detecting devices and is especially suitable forbeing installed on trucks so as to adapt to the operating states of the car under no load and full load.

A steering column device includes: a bracket to be fixed to a vehicle body and including a first wall; a steering shaft; a steering column including one end supported by the vehicle body and an outer peripheral surface with a second wall, and configured to rotatably support the steering shaft; and a clamp shaft penetrating the first wall and configured to switch between a pressure and non-pressure contact states respectively where the first and second walls are and are not in pressure contact with each other. The first and second walls include: a pair of first protrusions disposed separately on both sides of the clamp shaft in a first direction parallel to an axial direction of the steering column, and extending in a second direction perpendicular to the axial direction of the steering column; and a pair of second protrusions disposed separately in the second direction and extending in the first direction. Each of the first protrusions contacts both of the second protrusions in the pressure contact state.

A double-pole double-throw radio-frequency relay with auxiliary contacts comprises a base and a cover. An electromagnetic system is fixed above a contact system which is fixed above the base, and the contact system and the electromagnetic system are both positioned in the cover. The auxiliary contacts are arranged below the electromagnetic system. A function of shifting between the auxiliary contacts and radio-frequency contacts of the relay under excited and unexcited states is realized, and monitoring or instruction of contact states of a main contact is realized through the auxiliary contacts. The double-pole double-throw radio-frequency relay can be used for signal transmission and switching circuits in communication equipment and is capable of realizing line switching during monitoring of contact reliability conditions of the main contact or during signal transmission.

The invention discloses a position and pressure compensation device and method realized through magnetic suspension, and a polisher using the device. The device comprises a grinding belt support mechanism, an electromagnet support mechanism, a pressure sensor support mechanism and an analog digital control circuit, wherein the grinding belt support mechanism and the electromagnet support mechanism are connected with the pressure sensor support mechanism through linear bearings; and the grinding belt support mechanism is used for supporting an external grinding belt. As workpieces to be grinded are different in size, the grinding belt is released in the opposite direction or is pressed down in the relative direction; when the generated pressure change is transferred to a pressure sensor, the pressure sensor outputs voltage corresponding to the pressure; the analog digital circuit controller can convert the voltage operation of the pressure sensor to the voltage of an electromagnet, so that a closed-loop control loop can enable contact states of the grinding belt and workpieces to be kept consistent in real time; and the device has multiple advantages and effects of quick response speed and magnetic adjustability.

The invention discloses a circuit for determining lockout states of lockout relays, which solves the technical problem of correctly determining contact states of the lockout relays. The circuit is respectively provided with an A-phase trip lockout relay, a B-phase trip lockout relay, a C-phase trip lockout relay and a holding relay, a series circuit with large resistors, an A-phase trip circuit supervision optical coupler, a B-phase trip circuit supervision optical coupler and a C-phase trip circuit supervision optical coupler are parallelly connected into a series circuit with contacts of the A-phase trip lockout relay, the B-phase trip lockout relay, the C-phase trip lockout relay and a coil of the holding relay, and the optical couplers are current starting type optical couplers. Compared with the prior art, the circuit has the advantages that the large resistors and the current starting type optical couplers are parallelly connected onto the contacts of the lockout relays, the states are fed back to a CPU (central processing unit) of intelligent terminal equipment, and the intelligent terminal equipment determines whether the lockout relays are correctly closed or not by determining state changes of input of the optical couplers during execution after receiving a protection command of an electric power system and tripping and closing commands of measurement and control equipment, so that the influence of unreliable factors of an autoeciousness circuit on the electric power system is eliminated.

A contact shape computing apparatus for detecting contact between a plurality of three-dimensional solid models and computing a contact shape between two solid bodies in contact with each other includes the following elements: a collision detector operable to detect a collision or contact between the two solid bodies; a contact plane setting unit operable to define a contact plane that passes through a common region of the two solid bodies; a contact problem solving unit operable to individually solve contact states of the solid bodies with the contact plane as half-contact problems; and a contact shape computing unit operable to compute the contact shape between the two solid bodies by uniting solutions of the half-contact problems for the associated solid bodies, the solutions being obtained by the contact problem solving unit.

The present invention is directed to a contact center that includes a switching fabric 110, 130 operable to configure a communication session between a first customer and a first resource 138 for servicing of a first contact by the first resource and a contact tracking agent 232 operable, during the servicing of the first contact by the first resource, to (a) monitor the first contact center endpoint for at least one of (i) a change in contact state, (ii) the connection of the first resource and the first customer through a second (new) communication channel, and (iii) the addition of a party to and / or removal of a party from the communication session and (b), when the at least one of (i)-(iii) occurs, terminate a first contact part and create a second contact part. The first and second contact parts are associated with the communication session.

A motor controller for fully closing and opening a window glass for a vehicle door. The motor controller controls a motor that drives the window glass and includes a relay circuit connected to the motor and switching contact states in accordance with movement of the window glass. An FET is connected to the relay circuit. A sensor detects rotation speed of the motor and generates a detection signal. A CPU, which is connected to the FET and sensor, generates a duty signal having a duty ratio that is in accordance with a waveform of the detection signal generated by the sensor, provides the FET with the duty signal, and drives the motor in accordance with the waveform of the detection signal.

A ball bearing oil film thickness measurement device comprises a main shaft system, a miniature ultrasonic sensor, a nozzle supporting system, a rolling element spinning angle adjusting system and a load and pressure detection system. By arranging an annular groove on an inner ring, the miniature ultrasonic sensor is placed to measure the oil film thicknesses at the different positions of the inner ring. On the other hand, by changing the surface roughness of the inner ring and a rolling ball, or increasing the textures of various forms on the outer surface of the inner ring, such as the recesses, the stripes, the grids, etc., and by using the inner ring and the rolling ball combined by different materials, the different contact states and spinning states of the rolling element of a bearing are simulated, and the influence of the surface quality of the contact areas, the spinning state of the rolling element and the rolling ball and inner ring materials on an oil film formation effect is researched. An experimental device of the present invention provides a new thinking for the oil film thickness measurement under the different materials, different surface qualities and different contact and spinning states of the rolling ball and a rolling way, and the experiment results have a certain guidance significance for the improvement and design of the contact surface of the rolling bearing.

The invention relates to a method for calculating an outline and a contact angle of a heavy liquid drop on a horizontal regular double-roughness surface. The method comprises the following steps: discretizing liquid drop outline; deducing dimensionless free energy functions of the system under four different wet contact states; optimizing the local minimal dimensionless free energy under the fourcontact states; optimizing the overall minimal dimensionless free energy under the four contact states. The density and volume of liquid drop, the topological structure and roughness of the surface and the interfacial tension between liquid drop, steam and material forming the rough surface are comprehensively considered, the limitation of the traditional research is broken through, researchers can be helped to further understand the wetting and diffusion mechanism of liquid drops and the method has an important practical significance in researching lossless transportation of liquid on super-hydrophobic self-cleaning surfaces and in pipelines, and the like.

The invention provides a steel deck pavement interlayer shear test simulation method based on a discrete element and belongs to the technical field of steel deck pavement. The steel deck pavement interlayer shear test simulation method based on the discrete element comprises the specific steps of generating a three-dimensional discrete element composite test piece whose dimension and gradation areboth as same as the dimension and the gradation of an indoor test piece in a PFC3D software by referring to a steel deck pavement indoor test composite test piece; giving corresponding contact typesto the interiors of course aggregate particles, the interiors of asphalt mortar particles, the interiors of steel plate particles, parts between the course aggregate particles and the asphalt mortar particles, parts between the course aggregate particles and the steel plate particles and parts between the asphalt mortar particles and the steel plate particles in the steel deck pavement composite test piece; introducing two concepts of interlayer roughness and interlayer air bubbles; through FISH programming, establishing a steel deck pavement composite test piece model which considers different interlayer contact states; and through the shearing of a wall body to the steel deck pavement composite test piece model, analyzing influences of the different interlayer contact states on a steel deck pavement interlayer shear failure mechanism. The steel deck pavement interlayer shear test simulation method based on the discrete element, provided by the invention, has the advantages of being accurate and effective.