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49results about How to "High volume" patented technology

Power management for interface devices applying forces

A method and apparatus for providing safe and low-cost force feedback peripherals for consumer applications. A device microprocessor local to an interface device is coupled to the host by a first interface bus. The microprocessor receives host commands from the host computer on the first interface bus, such as an RS-232 interface, and commands an actuator to apply a force to a user object, such as a joystick, in response to host commands. A sensor detects positions of the user object and outputs signals to the host on a second interface bus, such as a PC game port bus, separate from the first bus. In a "recoil" embodiment, a user initiates force feedback by pressing a button on the joystick, which sends an activation signal to the actuator. In other recoil embodiments, the host computer can transmit one or more enable signals and/or activation signals to the actuator to enable or command forces. A safety switch of the present invention disables the actuator when the interface device is not in use and enables the actuator when an amount of weight over a predetermined amount is placed on the joystick created by a user grasping the joystick. A circuit of the present invention includes a capacitor for storing power provided by an input signal and supplied to the actuator when forces are to be output.
Owner:IMMERSION CORPORATION

Machine tool state monitoring system and method based on running data flow

The invention discloses a machine tool state monitoring system based on a running data flow. The machine tool state monitoring system based on the running data flow comprises a data acquisition layerused for acquiring running data of a machine tool; the data acquisition layer is connected to a data processing layer through a data access layer; the data processing layer is connected to a data storage layer; the data processing layer comprises a flow processing layer used for performing flow processing on the running data of the machine tool; distributed cluster architecture is adopted in the data processing layer; the data access layer distributes the running data of the machine tool into the data processing layer through a distributed message queue; the data processing layer further comprises a batch processing layer used for performing batch processing on the running data of the machine tool; and the flowing processing layer and the batch processing layer are integrated through the shared data storage layer. The invention further discloses a monitoring method of the machine tool state monitoring system based on the running data flow. The machine tool state monitoring system basedon the running data flow in the invention is adopted. The machine tool state monitoring system and method based on the running data flow in the invention can be suitable for performing acquisition, processing, storage, analysis and visualization on the running data flow having high data characteristics.
Owner:CHONGQING UNIV +1

Smelting reduction recovery and thermal refining method for rare-earth-niobium-containing slag mixture

The invention relates to a smelting reduction recovery and thermal refining method for a rare-earth-niobium-containing slag mixture and belongs to the field of non-blast furnace ironmaking and resource comprehensive utilization. The smelting reduction recovery and thermal refining method for the rare-earth-niobium-containing slag mixture comprises the following steps of (1) mixing rare-earth-containing blast furnace slag and niobium-containing molten steel slag to form the rare-earth-niobium-containing slag mixture and controlling the temperature of the rare-earth-niobium-containing slag mixture within a set temperature range; (2) injecting oxidative gas and conducting smelting reduction to reduce iron oxide into metallic iron fully; and (3) conducting separation and recovery according to different reaction devices. According to the method, the rare earth, the calcium component, the niobium component and the phosphorus component in the slag mixture can be efficiently recycled; cold-state niobium-rare-earth-iron-containing materials can be processed and at the same time thermal refining of the slag can be realized, so that the efficient resource comprehensive utilization can be achieved. The method is short in reaction time, high in metal recovery rate, low in production cost, strong in raw material adaptability, large in processing capacity, friendly with environment, high in economic income and capable of solving the problems of efficient recovery and utilization of metallurgical resources and heat energy effectively.
Owner:NORTHEASTERN UNIV

Method for acquiring label-free cells electrical characteristics based on light-induced dielectrophoresis mechanical force

The invention relates to a method for acquiring label-free cells electrical characteristics based on light-induced dielectrophoresis mechanical force. The method comprises the following steps: incident light is projected to a lower surface of a photoelectron tweezer chip; frequency of alternating voltage emitted by a signal-generator is affected on a conducting layer of the photoelectron tweezer chip; cells move far from the incident light; frequency of applied alternating voltage can be increased, when certain cell is stationary, the frequency is a cross-over frequency of the cell; frequency of the applied alternating voltage is continuously increased, the cell moves towards to the incident light; when all the cells move in an incident light scope, the incident light and the applied alternating voltage are closed; a relation between the cross-over frequency and a diameter of each cell can be obtained; and capacitance of each cell membrane can be obtained according to the relation between the cell membrane capacitance and cell diameter. The preparation of metal microelectrodes with a specific structure is not required; the electrical characteristic parameter of single cell or many cells can be obtained with real time; an antibody is not required for being used for identification of the cells, and the method has the advantages of automation, mass production and high throughput capacity.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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