35results about How to "Reliable exchange" patented technology

A device for measuring the filling level of a liquid in a container is provided, which uses an ultrasound sensor. The ultrasound sensor is associated with a damping cup with at least one antechamber, and the antechamber has at least one outer ring and one inner ring. The inner ring is arranged within the outer ring and the ceiling of the inner ring has different heights. The ceiling has a lowest point and a highest point. In the area of the ceiling the inner ring is provided with a venting connection with the outer ring. The venting connection between the inner ring and the outer ring is located at the highest point of the inner ring. The ceiling of the outer ring has different heights including a lowest point and a highest point. A vent hole is provided at the highest point of the outer ring.

The invention discloses a workshop monitoring alarm system based on a CAN bus, which consists of a system monitoring host, a workshop controller and an office area alarm controller which are mutually connected through the CAN bus. The controller of each production workshop is provided with a keyboard entry, a buzzer and corresponding LED display lamps; and when the workshop has fault, a worker can press down corresponding error signal buttons, and the controller generates sound and light alarm and transmits signals to an office area and a central monitoring room through the CAN bus. The office area controller can receive the signals transmitted from the workshop, and the LED lamps display corresponding errors to prompt office workers. The central monitoring room is provided with a computer host, and the CAN bus receives and records various error signals transmitted from the field and displays the error signals on the LCD. The workshop monitoring alarm system has real-time and reliable communication capability, and good expansion capability of the system is suitable for the workshop monitoring alarm systems of various types and scales.

The invention discloses a high-speed LVDS serial synchronization communication controller. The high-speed LVDS serial synchronization communication controller comprises a microcontroller interface module (1), a work register array module (2), a receiving time sequence generator module (3) and a sending time sequence generator module (4). The high-speed LVDS serial synchronization communication controller can be matched with a serializer MAX9217, a deserializer MAX9218 and other customized integrated circuits of a Canada MAXIM company to form a full duplex and high speed LVDS synchronization serial communication interface. A control order, parameters and data given by an X80 series microcontroller can be received, the information exchanging process is controlled, and the working state of the high-speed LVDS serial synchronization communication controller is fed back to an X86 series microcontroller. When one frame of data are received or sent, an interrupt request signal of the X86 series microcontroller can be automatically produced. A user system can be assisted to achieve an information exchange protocol defined by a user, reliable high-speed, serial and synchronous full duplex data exchange between two electronic information systems connected through an LVDS signal line is achieved.

The invention discloses a cross-network isolation unidirectional import system based on a radio frequency technology and a data import method. The system comprises an extranet host, an Intranet host,a radio frequency card, a radio frequency tag reading equipment, a first light-emitting element, a first light-sensing device, a second light-emitting element and a second light-sensing device; the radio frequency card, the firt light emitting element and the first light-sensing device are connected with the external network host, the radio frequency tag reading device, the second light-emittingelement and the second light-sensing device are connected with the internal network host. The data importing method realizes one-way data importing based on the system. Cross-network data one-way import under the physical isolation condition is achieved, it is guaranteed that data in an internal network cannot flow to the external network while automatic, safe and reliable import of the external network data into the internal network is achieved, and the cross-network isolation data safe import problem of the external network and the internal network is thoroughly solved.

A computer-implemented method of purchasing real-world items includes the steps of defining a virtual currency with no stable derivative to a government-recognized currency, electronically assigning a quantity of the currency to at least one user account, offering at least one tangible item in a multi-user competitive purchasing process, accepting an offer from a user associated with the user account, the offer being a promise to exchange a quantity of virtual currency for the tangible item, carrying out the multi-user competitive purchasing process, determining a winner of the competitive purchasing process, and assigning ownership of the tangible item to the winner of the competitive purchasing process.

The invention relates to a system and method for quickly realizing network distribution of multiple WiFi devices. The system comprises a distribution network terminal and a plurality of to-be-distributed network devices; the to-be-distributed network devices initiate a connection request to a target AP according to target AP information in received terminal distribution network information, and after the to-be-distributed network devices are successfully connected with a target AP, the to-be-distributed network devices disconnect from the distribution network terminal and become the distribution network devices; the distribution network devices can send equipment distribution network information; after the to-be-distributed distribution network devices are connected with the distribution network devices, the equipment network distribution information sent by connected network distribution equipment can be received; the to-be-distributed network devices can send a connection request tothe target AP according to target AP information in the equipment network distribution information, and after the to-be-distributed network devices are successfully connected with the target AP, the to-be-distributed network devices disconnect the connection with the currently connected network distribution devices and become the network distribution devices. According to the invention, the network distribution of a plurality of WiFi devices can be effectively and quickly realized, and the network distribution security is greatly improved.

The method includes following steps: (1) through SIP message, first communication device informs management information of SIP signaling network to second communication device; (2) after receiving SIP message, second communication device executes corresponding processes based on management information of SIP signaling network. The invention increases call completing rate, and prevents waste of signaling resources.

The invention provides an on-board FlexRay communication interface device and method. The network isolation and interworking of a FlexRay terminal in an on-board environment are realized through a host processor end, a dual-port access memory end, and a FlexRay communication controller end which are physically independent of one another, the problem of data buffer is solved through the establishment of a communication frame buffer and a communication frame data storage area at a host end and a MCU communication frame storage area at the FlexRay communication controller end, and a solution is provided for the application of a FlexRay bus in an integrated avionics system.

The present invention is worn continuously, and temporally successively acquires accurate information while calibrating biological information. Provided is a biological information measurement deviceequipped with a sensor device and a calibration device, wherein: the calibration device is equipped with a measurement unit for intermittently measuring first biological information, and a transmission unit for transmitting, to the sensor device, data including the first biological information, and calibration identification information which is identification information of the calibration device; and the sensor device is equipped with a reception unit for receiving the data and the calibration identification information, a determination unit for determining whether the calibration identification information is information for the calibration device which corresponds to the sensor device, a detection unit for temporally successively detecting pulse waves, and a calculation unit for, in cases in which the calibration identification information is information for the corresponding calibration device, calibrating the pulse waves using the first biological information and calculating second biological information from the calibrated pulse waves.

The invention discloses a high-precision quick exchange workbench which comprises a support frame, a rotary shaft, rotary tables and multiple installation tables. The support frame is formed by fixedly connecting two vertically-arranged supporting arms and a cross beam; the rotary shaft is horizontally arranged, the two ends of the rotary shaft are rotatably connected with the two supporting armscorrespondingly and driven to rotate through a driving part; the number of the rotary tables is two, and the rotary tables are symmetrically fixed on the two sides of the rotary shaft along the axis of the rotary shaft; the multiple installation tables are fixed on the rotary tables; the installation tables are used for installing parts to be machined; and when the rotary shaft rotates by 180 degrees, the positions of the installation tables on the two rotary tables can coincide. The rotary tables are driven to rotate through the rotation of the rotary shaft, the whole structure coincides onetime once the rotary shaft rotates by 180 degrees, the problem that time is wasted in numerical control machining of upper and lower parts is solved, meanwhile, the angle of every rotation of the rotary shaft is consistent, the control precision is high, and rotary table exchange is convenient, fast, stable and reliable.