215results about How to "Simplify space" patented technology

The present invention relates to a method for assisting with percutaneous interventions, wherein 2D x-ray images of an object region are recorded before the intervention using a C-arm x-ray system or a robot-based x-ray system at different projection angles and 3D x-ray image data of the object region is reconstructed from the 2D x-ray recordings. One or more 2D or 3D ultrasound images are recorded before and / or during the intervention using an external ultrasound system and registered with the 3D image data. The 2D or 3D ultrasound images are then overlaid with the 3D image data record or a target region segmented therefrom or displayed next to one another in the same perspective. The method allows a puncture or biopsy to be monitored with a low level of radiation.

A modular system of power and data components comprising a substation having power and data ports is provided. The system includes channels releasably connectable to the substation and supports. The substation, channels and supports are releasably and rotatably connected to permit the system to be formed in almost infinite combinations to accommodate numerous office or work space configurations. The system is used in conjunction with tables, screens and other furniture to form a fully and easily adjustable office or work space set-up to accommodate any office or work space situation and to allow quick change to accommodate changes in the initial office or work space set-up.

The invention discloses a distributed battery management system. The system consists of two subsystems which are a master control system and a battery monitoring system respectively. The master control system consists of a microprocessing module, a relay control and diagnosis module, a handshaking signal transceiver module, a controller area network (CAN) transceiver module, a nonvolatile memory module and a wireless communication module. The battery monitoring system comprises a battery pack and battery monitoring modules. The system can acquire the voltage status, temperature status and like of batteries by the battery monitoring modules on each battery and perform balancing control on the battery pack with great status differences to improve the consistency and safety of the whole battery system. A wireless communication function of the system effectively isolates physical connection between a high-voltage system and a low-voltage system and improves the reliability of the master control system at the same time. The status of the battery system can be accurately monitored, the performance of the battery system can be fully utilized and the safe and reliable running of the battery system can be ensured.

A cascaded electric power converter and a method of operating a cascaded electric power converter are disclosed. The cascaded converter includes: a converter cell including a cell capacitor and at least one phase leg having at least two electric valves, the at least one phase leg being connected in parallel to the cell capacitor; and a control system for controlling the switching of the electric valves of the at least one phase leg. The control system is configured to, upon detection of a need to by-pass the converter cell, control the switching of the electric valves in a manner so that the cell capacitor is short circuited via a phase leg, so as to obtain a current surge through the phase leg, thereby creating a permanent current path through the converter cell.

The present invention provides a repetition frequency-tunable optical frequency comb generated by basis of optical feedback. The optical frequency comb comprises a single-frequency laser resonant cavity, a wavelength division multiplexer, a single-mode semiconductor pump light source, an optical circulator, a first optical fiber coupler, a second optical fiber coupler, a photoelectric detector, a highly-stable signal source, an error signal processing system, a laser frequency modulation device and a tunable laser-delay module. The present invention performs delay-time processing to the single-frequency laser by the tunable laser-delay module, and achieves an optical feedback by the optical circulator for injecting to the resonant cavity, generating a series of tunable laser longitudinal modes with equal frequency space. Meanwhile, in combination with the highly-stable signal source, the error signal processing system and the laser frequency modulation device, a laser frequency lock is achieved, and the laser frequency comb is generated. The invention obtains a repetition frequency-tunable laser frequency comb with a simple and practical method, having an extensive application prospect and huge application value in fields such as optical fiber sensing and spectroscopy of atom and molecule.

A recirculation fan includes a casing, a covering member, a wind-guiding device, a passive impeller, and an active impeller. The covering member is coupled with the casing to define an accommodation space. The wind-guiding device is disposed on the covering member, and includes a wind-guiding cover and a magnetoresistive structure. The magnetoresistive structure is disposed on the covering member and the wind-guiding cover. The passive impeller is disposed within the accommodation space. The active impeller is disposed within the accommodation space and located beside the passive impeller for generating a wind to drive rotation of the passive impeller and the wind-guiding cover. In response to a magnetic torque resulted from a magnetic vortex of the magnetoresistive structure, a rotating speed of the wind-guiding cover is slowed down.

The invention discloses an oral cavity nursing device. The device comprises a toothbrush with a toothbrush head and a base, wherein a water spray nozzle is formed on the toothbrush head; a water supply mechanism for supplying water to the water spray nozzle of the toothbrush and a drying mechanism for drying the toothbrush head are arranged on the base; and the toothbrush is detachably connected with the water supply mechanism through a water pipe. The invention provides the oral cavity nursing device which can wash the toothbrush while brushing teeth, can completely clean tooth surfaces, toothpaste and stains in slits between teeth, is convenient and practical, can maintain cleanness and sanitation of the toothbrush, and reduces pollution of bacteria on the toothbrush.

The invention discloses complete equipment for smoke-free energy-saving automatic rotary moving and rotary opening / closing barbecue. The complete equipment consists of an automatic rotary moving and rotary opening / closing barbecue machine comprising a motor, a turntable, a series former, a support rod, a plate conveyor, a roller, a compression bar, a gear rack, a chain, an eccentric rotary seat and the like. The skewers and cubes are barbecued completely in a full-automatic smoke-free and energy-saving mode, for example, the fat and thin delicious minced skewers and various seafood grain skewers; the skewers are consistent in tenderness and uniform in taste in large- and medium-batch production; point-and-shoot operation is adopted; and the yield reaches 100%. The complete equipment can be combined or separated, is easy to disassemble / assemble, maintain and clean, realizes multiple purposes, promises low energy consumption, requires low investment cost and is suitable for restaurants, food factories and snack stores.

The invention discloses a soundproof door. The soundproof door comprises door leaves and door pockets movably connected with the door leaves, wherein an air bag is arranged on one side, opposite to the floor, of each of the door leaves; an air pump is arranged in the door pockets, and the air inlet and air outlet of the air bag are connected with the air outlet of the air pump; a door lock is also arranged on the door leaves, the door lock comprises a first spring bolt and a second spring bolt, also comprises a counter lock connected with the second spring bolt; a second spring bolt box is arranged on the door pockets, the second spring bolt is placed in the second spring bolt box, and an air pump switch contact in contact with the second spring bolt is arranged in the second spring bolt box. The soundproof door has the advantages that the sealing property is good, the service life is long, the structure is simple, the fabrication cost is low, and the maintenance is easy.

The invention provides a file system and a method for improving performances of a web server. The file system comprises a disc space; the disc space comprises a disc metadata area and a disc data area; the disc metadata area comprise a file system supper block, a file directory entry bitmap, a volume information array and a file directory entry; the disc data area comprises a plurality of constant-capacity volumes, wherein each volume comprises a plurality of same-capacity file disc blocks, and each file disc block is used for storing small files in the web server. According to the file system and the method for improving the performances of the web server, which are disclosed by the invention, the disc space management is simplified by aiming at the application environment where the web server saves a great number of small files, so that the file data is continuously stored, and disc fragments are avoided; the disc operation times in file data reading and writing processes are reduced, the API interaction times of the file system are reduced, and the performances of the file system are effectively improved; according to a Hash chain table array, the file positioning process is simplified and accelerated; an IO operation of the file system utilizes an asynchronous mode, so that the problem that the application program is blocked when the IO operation is synchronized is eliminated.

To support interleaving of optical channels and to provide sufficient isolation between such interleaved channels, a circulator (60-62) receives, on an optical fiber (16-18), a broadband signal containing a plurality of adjacent channels. The circulator selectively routes the broadband signal through a filter (64, 66) to isolate, on an individual basis, at least one desired channel. A filtered signal, corresponding to the at least one desired channel, is then output from the filter (64-66) and reflected back into the filter by a mirror (68-70) such that the at least one desired channel is subjected to a second filtering process that further improves isolation of the at least one desired channel. Following this second filtering process, the at least one desired channel is applied to the circulator (60-62) for re-inserting into the optical fiber (16-18), as illustrated in FIG. 6. To mitigate the effects of four-wave mixing in each bidirectional optical fiber, a channel assignment plan ensures that pairs of adjacent channels are assigned on a mutually exclusive basis to at least one of an up-link and a down-link direction.

The invention relates to a preparation method of a scratch resistant double-component polyurethane woodenware glossy vanish. The vanish is composed of a resin paint component A and a curing agent component B, wherein the weight ratio of the component A to the component B is 1:0.5; the resin paint component A is composed of alkyd resin, acrylic acid resin, aldehyde-ketone resin, a chelating leveling agent, an antifoaming agent, and a solvent; and the curing agent component B is composed of a TDI-HDI mixed trimer or a TDI / TMP adduct, a HDI trimer, and a solvent. The prepared vanish has the advantages of high hardness, low viscosity, and good leveling property. The paint membrane has high gloss and an appearance like a crystal or a jade, is transparent, thick, and smooth, can give people a high class feeling, can create a mirror-liked decoration effect, is capable of forming a refreshing, grace, concise and tranquil space, brings a relaxed and happy sense to people, is accord with the modern aesthetics, is welcomed by the market and customers, and is widely used to protect and decorate surfaces of woodenware, metal products, and plastic products.

The invention discloses a cooling type electrical cabinet with the adjustable inner space. The electrical cabinet comprises an electrical cabinet body. Through hole plates are plugged to the left and right side walls of the electrical cabinet body. Through holes are formed in the bottom wall of the electrical cabinet body. A first groove and a second groove are formed in the inner sides of the left and right walls of the electrical cabinet body respectively. A controller is arranged on the inner side wall of the top end of the electrical cabinet body. A pushing plate is arranged in an inner cavity of the electrical cabinet body. The bottom wall of one end of the pushing plate is fixedly connected with one end of a pneumatic cylinder. The cooling type electrical cabinet with the adjustable inner space is simple in structure, due to the addition of the pneumatic cylinder and the pushing plate, the pneumatic cylinder drives the pushing plate to move, and then the space in the electrical cabinet body is decreased; by means of the through hole plates and the through holes, air in the cavity in the electrical cabinet forms circular airflow, then, the cooling intensity is enhanced, and rapid cooling can be achieved; the pushing plate slides in the first groove and the second groove, deflection of the pushing plate is avoided, the side wall of the electrical cabinet body is abraded, and the service life of the pushing plate and the electrical cabinet body is prolonged.

The invention relates to a preparation method of a scratch resistant polyurethane woodenware glossy black finish paint. The finish paint is composed of a resin paint component A and a curing agent component B; wherein the weight ratio of the component A to the component B is 1:0.5; the resin paint component A is composed of alkyd resin, acrylic resin, aldehyde-ketone resin, carbon black color paste, a chelating leveling agent, an antifoaming agent, an anti-settling agent, and a solvent; and the curing agent component B is composed of a TDI-HDI mixed trimer or a TDI / TMP adduct, a HDI trimer, and a solvent. The prepared finish paint has the advantages of high hardness, low viscosity, and good leveling property. The finish paint can form a membrane at a time, the membrane is thick, and no sag is generated. The paint has high gloss and a transparent crystal appearance like a black jade. The paint membrane is like a crystal, is thick and smooth, gives people a high quality sense, has a decoration effect like a mirror, and creates a fresh, grace, concise, and tranquil space. A refreshing unique feeling is created by the finished paint which is accord with the modern aesthetics, so the finish paint is welcomed by market and customers. The finish paint can be used to decorate and protect the surfaces of woodenware, metal products, and plastic products.

The invention discloses a workbench, comprising: a folding base comprising a left support frame and a right support frame cross connected with each other by a pivot and a handle rod connected with tops of the left support frame and the right support frame; a movable plate fixed on the left support frame and provided with at least one first fixing hole; a fixed plate fixed on the right support frame and provided with at least one second fixing hole; the movable plate and the fixed plate are spread out on the upper surface of the folding base as the left support frame and right support frame are unfolded; and the movable plate and the fixed plate are folded downwards along both sides of the handle rod as the left support frame and the right support frame are furled. The present invention allows the workbench to be folded by folding downwards the movable plate and the fixed plate, such that the workbench occupies less space and the folded workbench is more secure. The additional first fixing hole and second fixing hole on the workbench effectively stabilize workpieces.

A lens barrel includes a first drive mechanism which rotates a cam ring to move a cam-driven lens frame, holding a lens group, in accordance with a cam groove; a second drive mechanism which screw-engages a nut with a feed screw, biases a nut-driven lens frame to abut the nut, and moves the nut-driven lens frame. The cam-driven lens frame is positioned adjacent to the nut-driven lens frame on a reverse side to the biasing direction, and driving ranges of these lens frames partially overlap each other. The first drive mechanism includes a cam-driven member, separate from the cam-driven lens frame, which is linearly guided and provided with a cam follower which engages with the cam groove of the cam ring; and a biasing member which biases the cam-driven lens frame to abut against the cam-drive member, so that the cam-driven lens frame moves with the cam-driven member.

System for testing a group of functionally independent memories (102) and for replacing failing memory words of the group of functionally independent memories (102) by redundant memory words, comprising: redundancy means 108) including at least one array of redundant memory words (108a) and address registers (108b) connected to at least one array of redundant memory words (108a); a test means (114); a group of first multiplexers (110) following the test means (114) and preceding the memories (102) and the at least one array of redundant memory words (108a); and a group of second multiplexers (112) following the memories (102) and the at least one array of redundant memory words (108a), wherein each second multiplexer (112) is connectable to the test means (114).

A direct dental bridge, built in the mouth of a patient, comprising Zirconium oxide or Aluminium oxide reinforcement bars (19, 20) onto which the pontic of the bridge is assembled. The ceramic bars of the present direct dental bridge bond better to dental filling materials and dental bonding resins than metal bars, and are easier to use than fiber ribbons and resin bars. Also disclosed is a method of building a direct dental bridge further comprising the use of a dental material gingival wedge bonded on an abutment tooth, demale molds for surface veneers, malleable gingival veneers and occlusal / buccal surface veneers.

The invention discloses an underground coal preparation technology adopting an aqueous medium and is applicable to underground coal mines. Raw coal is fed into an underground special compact jigger, clean coal is discharged, is dehydrated by the aid of a phi1-mm fixing sieve and then is screened by a phi13-mm classifying sieve, final clean coal water is dehydrated by a clean coal centrifugal dehydrator, and final clean coal and a centrifugal liquid are obtained; jigging middling coal is discharged and classified by the phi13-mm classifying sieve into lump middling coal and final middling coal,the final middling coal is dehydrated by a middling coal centrifugal dehydrator, and final middling coal and a centrifugal liquid are obtained; produced slime water is sent to an aqueous medium classifying and sorting swirler, the first section of the swirler plays a classifying role, first-section underflow enters the second section of the swirler for sorting, and second-section overflowing coarse and fine slime and underflow coarse and middling slime are obtained; the coarse and middling slime and the coarse and fine slime pass through a coarse and middling slime arc-shaped sieve I and a coarse and fine slime arc-shaped sieve J, the coarse and middling slime and the coarse and fine slime which are pre-dehydrated on the sieves are obtained, and the coarse and middling slime and the coarse and fine slime are obtained after dehydration. The technology is simple, the sorting equipment reliability is relatively high, the dynamic load is relatively low, and the sorting precision is high.

A convenient and portable space partitioning device comprises a partitioning frame, having an upper frame member, a lower frame member, and two side frame members joined between the upper frame member and the lower frame member, and a hallow space being provided between the upper frame member and the lower frame member. A partitioning cover body, covering an outer surface of the partitioning frame member, is easily removed from the partitioning frame member, while the partitioning cover body and the partitioning frame member are stored conveniently. Moreover, the partitioning cover body has a zipper on both edges of the partitioning frame member, the zipper having a sliding fastener on at least one edge of the partitioning frame member, and the partitioning cover body being bonded to another one of the adjacent partitioning cover body by the zipper and the sliding fastener.

The present invention relates, in general, to a microrobot system for intravascular therapy and, more particularly, to a microrobot system for intravascular therapy, which removes thrombus, clots and occlusions that are clogging blood vessels using the fast rotary power of a spherical microrobot having protrusions, thus treating clogged blood vessels.The microrobot system for intravascular therapy according to the present invention includes a spherical microrobot unit (100′) including a magnet having an arbitrary magnetization direction and having protrusions formed on a surface thereof. An electromagnetic field generation unit (200) sets an alignment direction and a locomotion direction of the microrobot unit to arbitrary directions in the 3D space, generates magnetic fields, and then drives the microrobot unit so that the microrobot unit is rotated by itself or is propelled in the locomotion direction. An imaging unit (300) captures an X-ray image and then tracking a location of the microrobot unit.

The invention provides an electronic component detection method and a device. The electronic component detection method enables a detected element to be transported through a rotation flow path in an intermittent manner and subjects the element to a sorting mechanism of a turntable concavely provided with loading slots at equal intervals along the circumferential direction thereof. The sorting mechanism is provided with a discharge outlet. a detected element conveying flow path, between the loading slots and the discharge outlet, is provided with first sensing elements served as receiving terminals to receive a light source signal emitted by an LED, and second sensing elements served as transmitting terminals to send out the light source signal of the LED. The plurality of second sensing elements and the circuits thereof are loaded on a carrier. Each circuit is connected with an external other control circuit interface through the same group of conducting wires, so that whether the detected element is discharged out of the loading slots to the discharge outlet or not can be detected. Therefore, mechanisms above the turntable are concise, and the cost is reduced.

A structural element for a fuselage cell structure of an aircraft, in particular a stringer profile or an annular former segment, the structural element being made from a composite material, in particular from a carbon-fiber-reinforced epoxy resin. The structural element comprises at least one positioning aid for facilitating position determination by means of a measuring system. A laser measuring system and / or a tactile measuring system may be used as a measuring system. As a result of the reflector which can be attached to the positioning aid without clearance as a target for the laser measuring system, which is preferably a laser tracker, a spatial position of the structural element in relation to a further component can be determined very precisely and without contact. Following position determination and orientation of the structural element, the reflector can be removed from the positioning aid.

A structural element for a fuselage cell structure of an aircraft, in particular a stringer profile or an annular former segment, the structural element being made from a composite material, in particular from a carbon-fibre-reinforced epoxy resin. The structural element comprises at least one positioning aid for facilitating position determination by means of a measuring system. A laser measuring system and / or a tactile measuring system may be used as a measuring system. As a result of the reflector which can be attached to the positioning aid without clearance as a target for the laser measuring system, which is preferably a laser tracker, a spatial position of the structural element in relation to a further component can be determined very precisely and without contact. Following position determination and orientation of the structural element, the reflector can be removed from the positioning aid.

A substrate holder stocker device capable of reducing foot print is provided. The device includes: a movable table A which holds a plurality of substrate holders side by side in a plate thickness direction thereof and moves back and forth; a movable table B which is provided parallel to the movable table A and holds a plurality of the substrate holders side by side in a plate thickness direction thereof, and which moves back and forth; and an inter-table transfer mechanism for allowing the substrate holder which is held by one of the movable tables A and B stopped at predetermined positions to be held by the other of the movable tables A and B.

A cascaded electric power converter and a method of operating a cascaded electric power converter are disclosed. The cascaded converter includes: a converter cell including a cell capacitor and at least one phase leg having at least two electric valves, the at least one phase leg being connected in parallel to the cell capacitor; and a control system for controlling the switching of the electric valves of the at least one phase leg. The control system is configured to, upon detection of a need to by-pass the converter cell, control the switching of the electric valves in a manner so that the cell capacitor is short circuited via a phase leg, so as to obtain a current surge through the phase leg, thereby creating a permanent current path through the converter cell.

The invention relates to an ammonia gas automatic-supplying method of a solid ammonia system heated by using engine waste heat. The ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is characterized in that heating is conducted on an ammonia storage material main container and an ammonia storage material supplying container through a heating unit, when reaching a desorption temperature, ammonia materials in the main container release ammonia gas; and a pressure P1 in the ammonia storage material main container reaches a working pressure, a reducing-agent metering control unit DCU conducts metering on the ammonia gas, and the jet quantity of the ammonia gas is metered according to engine operating parameters (rotate speed, fuel consumption and the like) transmitted by an engine ECU. The ammonia gas is jetted into an exhaust pipe from the front end of an SCR catalytic converter, the ammonia gas and engine exhaust gas are mixed sufficiently, and under the effect of a catalyzer, NOx is decontaminated into harmless water and a nitrogen gas; and by utilizing the principle of the pressure difference formed between the pressure P1 in the ammonia storage material main container and a pressure P2 in the ammonia storage material supplying container, the ammonia gas automatic-supplying system convenient to achieve is designed; and the problem that the cruising capacity of an existing vehicle-mounted ammonia source is low is solved, and the ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is ingenious in idea, convenient to implement, high in reliability and good in economic efficiency.