970 results about "X-machine" patented technology

A method of processing a client packet from a client in a NAT (Network Address Translation & Port Mapping) system including a NAT machine and a plurality of servers. The method includes preparing a response packet responsive to the client packet, performing, by one of the servers, a translation operation on the response packet to produce a translated response packet, and transmitting the translated response packet from the server to the client, thereby bypassing the NAT machine. All subsequent response packets in the current connection can be translated and transmitted from the server directly to the client.

The invention discloses a high-voltage generator used for an X-ray machine and a control method thereof. The high-voltage generator comprises a rectifying and wave-filtering and soft-start unit connected with a power supply, a control power supply, and a voltage rising and rectifying unit in a high-voltage oil tank. The high-voltage generator is characterized in that the rectifying and wave-filtering and soft-start unit is connected with a power factor correction unit, is connected with the positive pole of an X-ray tube in the high-voltage oil tank through a high-voltage inverter and the voltage rising and rectifying unit, and is connected with the negative pole of the X-ray tube through a filament inverter and a filament converting circuit; a sampling circuit connected with a central control unit is arranged inside the high-voltage oil tank; and the central control unit is respectively connected with the high-voltage inverter, the filament inverter and a host computer. Compared with the prior art, the high-voltage generator has the advantages that the high-voltage generator adopts a series-parallel resonance technique to realize the zero-voltage opening of a switch tube, and thus the switching frequency can be improved to 100 kHz; the problems of high voltage insulation and protection caused by extracting a high voltage wire externally connected with an X-ray tube from the high-voltage oil tank are avoided because that the X-ray tube is integrated inside the high-voltage oil tank.

A communication network (FIG. 1) makes available, to a first vending machine (102) of a plurality of vending machines, information from nearby ones of the plurality of vending machines for coordinating product availability and vending machine location. The first vending machine then determines 502 that the desired product is no longer available at the first vending machine. Thereafter, the first vending machine obtains (504–520) the information including a location of the nearby alternate vending machine for the desired product. The first vending machine then conveys (410) the location of the nearby alternate vending machine to a customer who wishes to purchase the desired product.

The invention provides a comprehensive tester for testing intelligent substation digital secondary equipment. The comprehensive tester is composed of an upper machine and a lower machine. The upper machine serves as a software platform, is built by using an object-oriented programming language and is arranged in an externally-connected PC, and the lower machine serves as a hardware platform and is of an FPGA plus ARM main structure. The comprehensive tester can work in any of four working modes according to needs, can serve as a data source and output messages in the IEC61860-9-2 format or messages in the GOOSE format or messages in the IEC60044-8 format, can also serve as a data format conversion device and convert signals with small voltage analog quantity (<+/-10V) or the messages in the IEC60044-8 format into the messages in the IEC61850-9-2 format, achieve conversion between the messages in the GOOSE format and switching value signals and carry out test work on the intelligent substation digital secondary equipment.

Devices, systems and methods are disclosed which relate to incorporating a fax machine function into a mobile device. A camera on the mobile device is used to scan or capture an image of an existing document. Logic on the mobile device converts the image into a fax transmittal that can be transmitted to a fax machine. Once the fax transmittal is ready, a connection is initiated with a traditional fax machine across one or more networks, and the fax transmittal is sent to the fax machine at a speed determined by the slower device. Upon a successful transmission, the connection is terminated, and a report is generated.

The invention provides a method and equipment for link aggregation. The method comprises the following steps of: closing data frame transceiving functions of all ports; when a timer of a transmit machine is up to time, selecting an aggregation group for the ports by a selection logic machine, setting a timer of a Mux machine and starting timing, and preparing for adding the ports to the aggregation group by the Mux machine; and when the timers of the Mux machine and the transmit machine are up to time at the same time, adding the ports to the aggregation group by the Mux machine, and opening the data frame transceiving functions of the ports by the Mux machine according to the aggregation state information in the received LACPDU message to perform transmission of application message. The method and the equipment for the link aggregation ensure that the data frame transceiving functions are simultaneously opened by reasonably setting the time length of the timer of each machine, reduce the loss of the application message, and improve the reliability of the aggregation link transmission application message by closing the data frame transceiving functions in time when the aggregation link is abnormal.

The invention discloses a POS machine secret key remote downloading service system and secret key downloading method, and relates to the technique of POS machine information security. The whole scheme comprises seven components of a POS machine terminal, a security chip, a communication module, a random number generator, a secret storage region, a background server and an encryptor; wherein the security chip, the communication module, the random number generator and the secret storage region are contained in the POS machine terminal; the background server is directly connected with the encryptor; the POS machine terminal builds a remote communication channel with the background server through the communication module; and three stages of bidirectional authentication, master secret key issuing and working secret key issuing are successively finished. According to the system and the method, the features that the conventional POS machine secret key downloading method is low in efficiency, low in flexibility and difficult in secondary updating are overcome; the security demand is taken into consideration; high secret demands of one machine one key and one day one key are satisfied; the POS machine secret keys are dynamically updated; and the system and the method are applicable to remote use and rapid deployment of the POS machine.

The invention discloses an automatic plate feeding and discharging system for double-faced AOI (Automated Optical Inspection) of a circuit board. The automatic plate feeding and discharging system comprises a robot device, a feeding and discharging device, a double-faced dust sticking machine, a transferring device, an AOI machine, a butt joint device and a general control system for controlling the equipment to work, wherein the robot device is provided with robot mechanical arms; the double-faced dust sticking machine is located beside the feeding and discharging device; the transferring device is arranged above the feeding and discharging device and the double-faced dust sticking machine; the AOI machine comprises a face A detection and a face B detection machine; detection openings of the face A detection and the face B detection machine are opposite to the feeding and discharging device and the double-faced dust sticking machine; the robot device is located between the face A detection and the face B detection machine; and the butt joint device is located on one side of the face B detection machine and can be in up-down butt joint with the robot mechanical arms. The butt joint device can be in up-down butt joint with the robot mechanical arms so that time consumed by a plate overturning procedure is saved, and furthermore, a whole production process has relatively rapid efficiency; and the structure is compact so that the occupied area of equipment is reduced.

The present invention provides a device for determining the dynamics of a tool sited in a CNC machine, as encapsulated by the Frequency Response Function. The device uses an actively controlled electromagnet to excite forces on the tool. The force is excited in a non-contact manner, allowing the force to be applied to both a stationary and a rotating tool. The displacement is measured by standard means, such as accelerometers, optical displacement or capacitance sensors. The ratio of the force and the displacement in the frequency domain is the Frequency Response Function. The force may be applied as a pure sine wave, providing the Frequency Response Function at the frequency of the sine wave. Varying the frequency of the sine wave provides the Frequency Response Function over the range of frequencies of interest. The control of the force profile is handled entirely by the automated controls and requires no special skills, training or manual interaction by the user. No separate force sensor is required, since the electromagnetic force on the tool may be accurately determined from the design of the electromagnet and the tool position, geometry and material.

The invention relates to a medical wireless program control digital X-ray machine. The machine comprises X-ray generating equipment, a mobile wireless terminal, an electronic switch, a programmable control module and an X-ray detecting plate, wherein the electronic switch is connected with the programmable control module through a connecting module, the programmable control module is connected with the X-ray detecting plate, and the mobile wireless terminal is wirelessly connected with the programmable control module. By utilizing the medical wireless program control digital X-ray machine and a wireless program control method thereof, the exposure, image transmission and information transmission of a medical digital X-ray machine can be wirelessly controlled, and the wireless exposure control and wireless digital image data transmission of the medical digital X-ray machine can be realized, so that operating personnel is not limited by the distances and spaces of a hand brake cable and an image transmission cable when using the medical X-ray machine; the mobile wireless terminal of the medical digital X-ray machine is convenient to carry and flexible to install; and moreover, medical workers can be prevented from being hurt by X rays as far as possible when using the medical X-ray machine.

A method for moving a tool of a CNC machine over a surface, wherein the CNC machine is provided with a sensor unit, comprising the steps of: (a) moving the tool over the surface in a predetermined direction and/or with a predetermined velocity and/or along a predetermined path, (b) treating the surface by the tool in accordance with a predetermined value of a treatment parameter, (c) determining, by the sensor unit, a response value indicating a response of the tool to treating the surface and/or to being pressed to the surface, and (d) determining a new direction and/or a new velocity and/or a new path and/or a new value for the treatment parameter based on the response value.

This disclosure relates to medical diagnostic high-frequency X-ray machines and power supply devices thereof. One power supply device can convert an alternating current into a direct current, which is further raised by a boost circuit and stored by a capacitor module, so that the power supply device can provide high voltage and sufficient power to an inverter. Another power supply device can use a lithium iron phosphate battery to power the X-ray machine. Accordingly, the X-ray machine can be lighter, smaller, resistant to high temperature, fast in electrical charging and discharging, and safer, and the usage life of the X-ray machine can be prolonged due to the long cycle life of the lithium iron phosphate battery.

The invention relates to a remote detect central air conditioner and relative group control method, wherein said air conditioner comprises superior machine and low machine; the superior machine is one computer connected to photoelectric separate converter; the low machine at least comprises one machine group, with one communication module, one outdoor machine, and several indoor machines. The communication module can collect and transmit the data of indoor machines to the superior machine; the superior machine and the indoor machines are communicated with communication module. The user can use superior machine to detect low machine remotely.

Apparatus for use with a C-arm type x-ray unit (10) to locate and center an x-ray target area. The unit has an x-ray emitter (20) located at one end of a C-arm (50) and an x-ray receptor located at the other end of the C-arm. A ring-shaped band (45) adjustably fits around an outer end of the x-ray receptor. A first laser light source (90) and a second laser light source (100) are carried on the band in a predetermined orientation to each other. The laser light sources each project a fan shaped laser light into the target area between the x-ray emitter and the x-ray receptor. The beams are adjusted to determine a center of the target area through which x-rays are propagated when a patient is positioned in the x-ray unit for a procedure to be performed.

The invention discloses a railway track maintenance machine based on the collaborative operation mode of a mother machine and a son machine. The maintenance machine comprises a host computer, the mother machine and the son machine. The mother machine is provided with an unevenness detection module, a defect detection module and a bolt looseness detection module. The son machine is provided with a bolt screwing device, an oiling device, a grinding machine and a back testing device. The unevenness detection module and the defect detection module are respectively connected with the host computer. The host computer is used for controlling the screwing device, the oiling device, the grinding machine and the back testing device. The device is relatively small in size, high in integration, automation and intelligence degrees, and relatively high in efficiency. Manpower is saved, the traditional working mode of maintenance separation is changed, collaborative operation of detection and repairing of railway routine maintenance is realized, daily conservation costs are reduced, the working efficiency of conservation is improved, and the like.

A machine includes a frame having ground engaging elements for propelling a machine, and a body mounted to the frame. The body includes a plurality of body components, one of which is contoured for mounting a camera that includes a continuous face and a pocket each formed in an outer surface thereof. The method of assembling a machine includes molding a unitary body component for machine body, the body component having an outer surface with a continuous face and a pocket. The method further includes mounting a camera within the pocket and establishing an electrical link between the camera and an electrical system of the machine via a port disposed in the pocket which extends through the outer surface.

The invention relates to a forming and imaging method of a magnetic resonance image collection, registering and imaging system, wherein the system comprises a PET machine, an MR machine, a CT machine and an image processing work station, and particularly, the system also comprises a movable scanning bed and a magnetic insulation door which can be simultaneously applied to the PEC machine, the MR machine and the CT machine. The imaging method mainly comprises the following steps: moving the movable scanning bed to respectively carry out scanning along the MR machine, the PET machine and the CT machine without changing the body position of a detected object to collect three groups (MR, PET and CT) of images of the same part; carrying out three-dimensional reconstruction on the three groups of images by the image processing work station; carrying out the first registering and fusion by using the PET/MR and the PET/CT; and using image batch processing programs for simultaneously carrying out the second registering and fusion on the PET images and the MR fracture layer collection images on the same layer in the same position. The imaging quality is obviously improved, at the same time, the radiant quantity of a scanning system is obviously reduced, and the injury on the detected object is reduced.

The invention discloses a casing with a non-contact protection switch and a POS machine with the casing. The casing with the non-contact protection switch comprises a casing body and a non-contact protection switch device arranged in the casing body and used for preventing the casing body from being disassembled. The casing body comprises a casing bottom and a casing cover. According to the casing with the non-contact protection switch and the POS machine, the non-contact protection switch device is used for replacing a traditional physical and mechanical switch device, the protection switch is triggered through the skillful utilization of changes of magnetic field signals or light signals, the casing anti-disassembly and protection effect is achieved, meanwhile, the defects that a casing anti-disassembly device in the prior art is prone to causing false triggering and poor in stability and reliability are overcome, and unnecessary losses caused by false triggering are avoided. The casing with the non-contact protection switch can be widely applied to various casings with protection circuits and POS machines.

The invention discloses a noise reduction protective device for a laminating machine. The noise reduction protective device comprises a protection fixing mechanism fixed in a laminating machine frame body, wherein a supporting mechanism is mounted on the protection fixing mechanism; a buffer clamping mechanism is mounted on the supporting mechanism; a laminating machine motor is mounted on the supporting mechanism; and the laminating machine motor is tightly clamped and fixed by the buffer clamping mechanism. According to the noise reduction protective device for the laminating machine, the protection fixing device for the laminating machine motor is arranged, so that the vibration noise and vibration frequency of the motor are reduced through the vibration absorption of the fixing device; meanwhile, the vibration of the motor is further reduced through the clamping of the clamping mechanism, the problem that the delivery roll is unbalanced is solved, and the surfaces of paper sheets are prevented from blistering and creasing.

The invention discloses a vending method based on goods identification and a vending machine. The method comprises the following steps: detecting the weight change on goods placement boards by a weight sensor when detecting that the door of the vending machine is opened; controlling a camera in the vending machine to take a picture when the weight change is detected, so as to obtain an internal picture; and identifying the internal picture, when a tag is identified in the internal picture, determining the category of the goods according to the tag, and using the weight sensor to calculate thecategory and quantity of the goods taken out or put in. According to the vending method based on goods identification and the vending machine, the cost of operating an open self-service vending machine is greatly reduced by replacing the RFID tag with a custom tag, capturing the tag on the goods with the camera and calculating the weight change to summarize and check the category and quantity of the goods.

A method for offsetting a part on a CNC machine comprises clamping a part to a fixture on a table for the CNC machine and machining a plurality of features and surfaces on the part. A plurality of global offsets are calculated for the fixture and the table based on location data of the plurality of features and surfaces. An actual part position on a global coordinate system for the CNC machine is determined by translating the fixture and the table by each the plurality of global offsets to the coordinate system. The actual part position is compensated to a nominal part position for each of the controllable axes of the CNC machine and a controller is programmed with a global offset compensation based upon the calculated offset for each controllable axis of the CNC machine to adjust each of the controllable axes to the actual part position.