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171 results about "Foot surface" patented technology
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Measuring method for foot three-dimensional foot-type information and three-dimensional reconstruction model by means of RGB-D camera
The invention relates to a measuring method for rapidly obtaining foot three-dimensional foot-type information and a three-dimensional reconstruction model by means of an RGB-D camera. The method comprises the steps that the RGB-D camera is applied to rapid obtaining of three-dimensional information of the foot surface and fine reconstruction of the foot surface model, and under the situation that no mark points are used, three-dimensional coordinates of the foot curved surface are rapidly collected; an RGB-D camera is utilized for scanning the foot curved surface, depth information is obtained in real time, depth map data of different time sequences are fused, the overall model of the foot curved surface is reconstructed, and foot-type characteristic parameters are extracted and measured according to actual requirements. The measuring method is high in measuring efficiency, good in real-time performance, easy to implement, low in measuring cost, easy to operate and good in using effect.
Owner:FUZHOU UNIV
Detectable warning-dots demarkation for pedestrian safety
ActiveUS20060039752A1Improved pedestrian foot tractionImprove toughnessPaving detailsTraffic signalsTouch PerceptionWheelchair
A novel small quasi-hemispherical truncated-dome modular-dot like device, which can be readily affixed to pavement in a Federally-mandated pattern via a special hole / matrix-stencil;—the resulting demarkations thereby serving to alert the Legally-blind (as well as Guide-dogs, persons in wheelchairs, and otherwise pre-occupied non-handicapped individuals) their pedestrian-pathway is entering into a potentially dangerous transition area typically crossed by a motor-vehicle pathway. The individual so called DW-DOTS™ are resilient circular low-profile devices having an annular-ramp configuration, and thus standing out only sufficiently above a foot-surface as to enable foot-tactile detection, yet not pose the potential tripping hazzard known to embedded-mats. This novel safety-button offers a desired permanent contrasting-color, plus has a definition and rugged permanency not known to poured-dot installations. The disclosure sets forth various generic-variant structural embodiments, as well as the preferred method of attachment to a walkway-pavement surface.
Owner:HYAMS CHRISTOPHER A
Detectable warning-dots demarkation for pedestrian safety
ActiveUS7249911B2Great tractionImprove toughnessPaving detailsTraffic signalsWheelchairTouch Perception
A novel small quasi-hemispherical truncated-dome modular-dot like device, which can be readily affixed to pavement in a Federally-mandated pattern via a special hole / matrix-stencil;—the resulting demarkations thereby serving to alert the Legally-blind (as well as Guide-dogs, persons in wheelchairs, and otherwise pre-occupied non-handicapped individuals) their pedestrian-pathway is entering into a potentially dangerous transition area typically crossed by a motor-vehicle pathway. The individual so called DW-DOTS™ are resilient circular low-profile devices having an annular-ramp configuration, and thus standing out only sufficiently above a foot-surface as to enable foot-tactile detection, yet not pose the potential tripping hazzard known to embedded-mats. This novel safety-button offers a desired permanent contrasting-color, plus has a definition and rugged permanency not known to poured-dot installations. The disclosure sets forth various generic-variant structural embodiments, as well as the preferred method of attachment to a walkway-pavement surface.
Owner:HYAMS CHRISTOPHER A
Motorized vehicle
A motorized vehicle having a wheel retraction apparatus, comprising: a plurality of rear wheels and at least one front wheel; a lower chassis having a foot surface mounted thereon; and a wheel retraction apparatus mechanically connected to said lower chassis and set to extract and retract said plurality of rear wheels from and towards said lower chassis and to fixate said plurality of rear wheels in a plurality of different widths from one another; wherein a distance between an axis passing through the centers of said plurality of rear wheels and said at least one front wheel is reduced when said plurality of rear wheels are retracted towards said lower chassis.
Owner:MOVING LIFE LTD
Foot surface three-dimensional information obtaining method based on multiple RGB-D cameras
ActiveCN104126989ACheap and effective captureRebuild fastFoot measurement devices3D modellingPoint cloudFoot type
The invention relates to a foot surface three-dimensional information obtaining method based on multiple RGB-D cameras. According to the method, an all-dimensional measuring system built by the RGB-D cameras is applied to rapid obtaining of foot surface three-dimensional information and rapid reconstruction of a foot surface model, and complete foot curved surface three-dimensional coordinates can be colleted at a time without help of any gauge points. The RGB-D camera all-dimensional measuring system is used for rapidly obtaining depth information of a foot type curved surface at various view angles, the depth information is converted into three-dimensional point clouds, the three-dimensional point clouds, obtained by different RGB-D cameras, of local foot curved surfaces are registered, the overall model of the foot type curved surface is reconstructed, and characteristic parameters of a measured foot type can be extracted according to actual requirements. The foot surface three-dimensional information obtaining method based on the multiple RGB-D cameras is high in reconstruction speed, high in measuring efficiency, easy to implement, low in measuring cost and good in use effect.
Owner:FUZHOU UNIV
Balance-enhanced insert for footwear
An article of footwear and insert for an article of footwear are provided with means for stimulating cutaneous pressure sensation from the perimeter of the plantar surface (sole) of the foot. Increasing cutaneous sensation from the perimeter of the plantar foot surface provides the central nervous system of the wearer of the footwear with an increased ability to detect and react to shifts of the body's center of gravity toward the edges of the feet which, if left uncorrected, could result in a loss of balance or a fall. An insole is disclosed which is provided with an elongate member or a series of protrusions which form a narrow ridge in close proximity to the perimeter of the insole, the ridge being adapted to protrude upwardly against the plantar foot surface along at least a portion of the perimeter thereof.
Owner:SUNNYBROOK & WOMENS COLLEGE HEALTH SCI CENT
Real-person shoe type copying device and shoe tree manufacturing method based on single-eye multi-angle-of-view robot vision
InactiveCN104573180AIncrease silhouetteConstraints for adding silhouettesSpecial data processing applications3D modellingPlane mirrorImage segmentation
The invention discloses a real-person shoe type copying device based on single-eye multi-angle-of-view robot vision. The device comprises a single-eye multi-angle-of-view 3D (Three-dimensional) vision box and a computer, wherein the single-eye multi-angle-of-view 3D vision box is used for shooting images of a foot of a real person at five different angles of view; the computer is used for achieving the 3D reconstruction of the foot of the real person and automatically generating a 3D printing file; a plane mirror rectangular bucket-type cavity is formed inside the single-eye multi-angle-of-view 3D vision box and consists of four trapezoidal mirror planes; the upper part of a mirror body is large, and the lower part of the mirror body is small; the mirror planes face the inner side of a cavity body; a light source used for providing uniform soft lighting for the foot of the real person is arranged at the lower part of the plane mirror rectangular bucket-type cavity; cameras used for obtaining the images of the foot of the real person at multiple angles of view according to the refraction and reflection principle of the mirror planes are further arranged in the single-eye multi-angle-of-view 3D vision box; the computer comprises a single-eye multi-angle-of-view 3D vision calibrating unit, an image division, conversion and correction unit, a real person foot surface shape measurement unit and an automatic STL (Standard Template Library) file generation unit. The invention further discloses a shoe tree manufacturing method based on the single-eye multi-angle-of-view robot vision.
Owner:ZHEJIANG UNIV OF TECH
Adhesive dressing with resealable cover
InactiveUS20120197206A1Maximize comfortMaximize maintenanceCatheterInfusion needlesMedical deviceBiomedical engineering
A dressing assembly is provided including a cover overlying an inner cavity, spacing portions of the cover away from skin adjacent where the cover is coupled to the skin The cover includes a side wall extending up from a footing surface adapted to be placed adjacent the skin The side wall extends up to a top wall overlying the cavity. A door is provided in the cover through which the inner cavity can be accessed. The door can be sealingly closed and opened to selectively provide access to the cavity or to be closed and maintain a sanitary environment within the cavity. An adhesive membrane is provided adjacent the skin and beneath the footing surface with the adhesive membrane defining a floor of the cavity. A transcutaneous medical device can have portions thereof housed within the cavity where the cover protects it and keeps it sanitary.
Owner:GLENN BRADLEY J
Motorized vehicle
A motorized vehicle having a wheel retraction apparatus, comprising: a plurality of rear wheels and at least one front wheel; a lower chassis having a foot surface mounted thereon; and a wheel retraction apparatus mechanically connected to said lower chassis and set to extract and retract said plurality of rear wheels from and towards said lower chassis and to fixate said plurality of rear wheels in a plurality of different widths from one another; wherein a distance between an axis passing through the centers of said plurality of rear wheels and said at least one front wheel is reduced when said plurality of rear wheels are retracted towards said lower chassis.
Owner:MOVING LIFE LTD
Instrument for measuring thickness of non-ferromagnetic material and surface coating of ironwork
InactiveCN101398286ARealize measurementElectrical/magnetic thickness measurementsIncline measurementSuction stressMeasuring instrument
The invention discloses an instrument for measuring the thickness of nonferrous magnetic materials and the thickness of a coating layer on the surface of ironworks, which comprises a probe, a measuring circuit and a reference iron plate, wherein, the probe is a strain transducer that is arranged on a base made of the nonferrous magnetic materials, a magnet is arranged on the strain transducer, the reference iron plate is arranged under feet of the base and used for pressing a measured substance between an iron plate and a bottom foot surface of the base during measurement, and the strain transducer is electrically connected with the measuring circuit. The thickness of the substance affects the attraction force between the magnet and the reference iron plate, and the thickness of the substance can be reflected through the strain transducer and the measuring circuit. The measuring instrument can be further used for measuring the thickness of the coating layer on the surface of the ironworks. As the clamping foot contact measurement such as with a caliber rule is not needed, the measuring instrument can be placed at any position, is not limited by substance area and shape, and can consequently realize the measurement of wall thickness of substances with large area and complex shapes.
Owner:王洋
Large-scale motor casing machining technology
ActiveCN105643205APrecise positioningIncrease productivityManufacturing dynamo-electric machinesEngineeringMachining
The invention relates to a large-scale motor casing machining technology which comprises the following steps: roughly milling a first-end surface of a motor casing; performing positioning via a first-end inner hole of the motor casing, and roughly turning a second-end surface and a second-end inner hole of the motor casing; performing positioning via the second-end inner hole of the motor casing, and roughly turning the first-end surface, thefirst-end inner hole and a middle hole of the motor casing; roughly milling footing surfaces; drilling end surface holes in two end surfaces; performing positioning via the first-end inner hole of the motor casing, and finely turning the second-end surface and the second-end inner hole of the motor casing; performing positioning via the second-end inner hole of the motor casing, and finely turning the first-end surface, the first-end inner hole and the middle hole of the motor casing; finely milling the footing surfaces; and performing deburring and cleaning. The large-scale motor casing machining technology is convenient in clamping and accurate in positioning and the production efficiency is improved.
Owner:SHANDONG YUANTONG MASCH CO LTD
Intelligent identity recognition weighing scale adopting array type scanning and automatic identity recognition method thereof
InactiveCN104535156AIdentificationPlay the role of foot massagePerson identificationSpecial purpose weighing apparatusKey pressingSOCKS
The invention discloses an intelligent identity recognition weighing scale adopting array type scanning and an automatic identity recognition method thereof. The intelligent identity recognition weighing scale comprises a weighing scale body, wherein the weighing scale body comprises a bearing base plate, a weight measuring pressure sensor and a substrate which are overlapped sequentially from top to bottom; the weighing scale is characterized in that a top panel is arranged on the bearing base plate; a switch circuit board is arranged between the top panel and the bearing base plate; reset type key switches are arranged on the switch circuit board; one end, far away from the switch circuit board, of each reset type key switch, passes through the top panel and extends to the upper part of the top panel; the reset type key switches are arranged on the top panel in N rows and M lines of arrays; all the reset type key switches form a switch pressure sensor matrix, wherein N and M are both larger than or equal to 40, the measurement is rapid, the identity of a user can be immediately determined according to the size of the foot surface without enabling the user to take off shoes or socks, and meanwhile, the identity of the user can be recognized more accurately.
Owner:CHENGDU EACOM TECH
Full-automatic air bag type upper system and shoe wearing, shoe taking off and upper self-adaption method
ActiveCN106307809AAutomate operationsMeet the needs of different individualsUpperBootlegsFifth metatarsal boneEngineering
A pair of full-automatic air bag type smart shoes comprises air bag type uppers, wherein each air bag type upper is structurally characterized in that at least two air bag blocks are arranged and communicate, when an air bag shrinks, pressure application positions of a foot include an instep side of a first metatarsal bone, an inner foot side, instep sides of a second metatarsal bone, a third metatarsal bone and a fourth metatarsal bone, an instep side of a fifth metatarsal bone, an outer foot side, an intermediate cuneiform bone and a lateral cuneiform bone; the air bag communicates with an air charging device and an air exhausting device, the air charging device charges the air bag with air and the air bag is attached to the instep during shoe wearing, and the air exhausting device starts and discharges air in the air bag during shoe taking off; a main air bag body senses a motion state and an air pressure value of the main air bag body through an air pressure sensor and a motion sensor, pressure boosting or pressure releasing in the air bag is determined through comparison with a preset value in an MCU (microprogrammed control unit) processor, and automatic operation of the air bag is realized; connection with mobile device can be realized through a Bluetooth chip, and values in the processor are manually set, so that demands of different individuals are met.
Owner:董昱
Intelligent foot shape measuring instrument capable of being used for scanning and measuring foot shapes
InactiveCN101828797ASmall sizeEasy to useFoot measurement devicesMeasurement deviceMeasuring instrument
The invention discloses an intelligent foot shape measuring instrument capable of being used for scanning and measuring foot shapes. In a measuring device part, a slideable length measuring rod, a slideable width measuring rod and a height measuring rod which are connected with a displacement sensor are used for measuring the length, the width and the height of feet in a contact mode, and each measuring rod automatically returns after being in slight contact with the feet; a scanning device is adopted for scanning the shapes of the soles of the feet in a non-contact mode; the scanning device comprises a scanning part, a data processing device, a table top displaying part and a printing part, wherein the data processing device is connected with the scanning part, and the table top displaying part and the printing part are connected with the data processing device; the data processing device comprises a data acquisition module, a database module and a data processing module; and the measuring device part consists of a measuring device at the upper part, a measuring table and the scanning device arranged at the lower part of the measuring table. In the invention, the slideable measuring rods are used for measuring the upper surfaces of the feet, and the scanning mode is used for scanning the soles of the feet, thus the invention has the advantages of simple and convenient operation and accurate data, and can greatly improve the efficiency.
Owner:温州市鹿艺鞋材有限公司
Glute Ham Developer
Owner:COULTER VENTURES
Systems for designing a foot orthotic
Disclosed are methods and systems for design of a foot orthotic, and a foot orthotic device designed in accord therewith. More specifically described is an individualized foot orthotic device to correct and / or restore the ideal alignment and / or positioning of foot structures. In the method, sequential pressure is applied to regions on a plantar foot surface, and positional information is obtained about each region. Based on the positional information, an orthotic profile is determined, for design of one or more custom, individualized foot orthotic devices for a subject.
Owner:TENSEGRITY TECH
Foot gesture real-time detection system and method for human-imitated robot
InactiveCN101403619AReal-time measurementContinuous measurementNavigation by speed/acceleration measurementsEngineeringHumanoid robot
The invention discloses a humanoid robot foot posture real-time detection system and a method, which belongs to the automation field. The system comprises: a DSP controller, a three-axis acceleration sensor and an angular rate gyroscope; the DSP controller gains a piece of static foot surface inclining information through the three-axis acceleration sensor, and gains an angle variety value through the angular rate speed gyroscope, and obtains the real-time foot surface inclining information according to the static foot surface inclining information and the angle variety value. The invention also discloses a humanoid robot foot posture real-time detection method, which comprises the steps of: obtaining the static foot surface inclining information by calculating the collected three-axis acceleration information; obtaining the angle variety value by calculating the collected angle speed information; and obtaining the real-time foot surface inclining information by calculating the static foot surface inclining information and the angle variety value. The humanoid robot foot posture real-time detection system and method provided by the invention can real-time and continuously measure the foot surface inclining angle.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Lead-less ball foot surface adhesion type microwave film hybrid integrated circuit and integration method thereof
InactiveCN104485324AEasy to usePlay the role of high frequency insulationSemiconductor/solid-state device detailsSolid-state devicesCapacitanceCeramic coating
Owner:GUIZHOU ZHENHUA FENGGUANG SEMICON
Pedestrian stride measuring system
InactiveCN104864884AAccurate measurementReduce volumeDistance measurementPersonal computerRoad surface
The invention discloses a pedestrian stride measuring system which comprises a waist measuring device 1, a thigh measuring device 2, a shank measuring device 3, a foot surface measuring device 4 and a gateway 5, wherein the waist measuring device 1, the thigh measuring device 2, the shank measuring device 3 and the foot surface measuring device 4 are respectively used for measuring pedestrian gait measurement data during gait period, and the measurement data are transmitted to the gateway 5 and a PC (personal computer) by wireless communication. The system has the advantages of small size, simple structure, low power consumption, convenience in extension by wireless communication, capability of simultaneously measuring a plurality of people, low cost and the like. Historical data support is omitted, the pedestrian stride of a level road can be accurately measured, and the pedestrian stride of a slope road can also be accurately measured.
Owner:SHANGHAI UNIV
Special puncture-resistant work shoe
InactiveCN103653508AOvercoming protectiveOvercome comfortSolesWear-resisting attachmentsEngineeringAnkle
Disclosed is a special puncture-resistant work shoe which comprises a shoe body and a sole. A puncture-resistant layer is composited outside the shoe body, a steel toe identical with a toe cap in shape is composited at the toe cap position at the front end of the inside of the shoe body, a buffer layer is composited on the inner side of the steel toe, a tongue-shaped back protector is composited at the front end of the shoe body and extends to the ankle part, an anti-skid layer is composited on the sole, and a steel wire mesh interlayer is produced between the anti-skid layer and the sole. By the special puncture-resistant work shoe, the technical problem that conventional smash-proof shoes are insufficient in protectiveness and comfortableness is solved, and the requirements on protective capability on foots when a worker is at work are met through the steel toe structure, wrapping the whole instep, at the front end of the shoe body. The tongue-shaped back protector of a three-layer structure is added, so that the instep can be effectively prevented from being scratched and cut by edge tools; meanwhile, through the buffer layer sleeved inside the steel toe, toes and the instep can be prevented from being injured by heavy objects due to smashing when the worker is at work, the buffer layer can provide extremely comfortable feeling to the toes and the instep, and comfortableness of the special smash-proof shoe is guaranteed.
Owner:TIANJIN TIANXING KESHENG LEATHER PROD
Ornamental upper sandal straps for the display of logos or text
An ornamental sandal, with cut outs of text, symbols, logos, or designs on the upper strap to allow penetration of the exposed cut out areas of the epidermal skin on the foot surface to the sun's ultraviolet rays to produce a temporary tanned tattoo-like effect on the skin after the sandals are removed from the feet. The user of the sandal has the option to choose the type of text, symbol, logo, or design when purchasing the sandal. Alternatively, the user may interchange upper straps to display preferred text, symbol, logo, or design of choice to suit the occasion, or have sandals custom made to the user's specifications.
Owner:SHELTON NICHOLAS ALLEN
Transportation system cradle, intermediate product, assembly plant, and method for manufacturing assembly
A lifting system for vertical adjustment of a transportation system structure consists of a foot that is fastened onto the transportation system structure and during manufacturing assembly of the transportation system structure points downwards, and a foot cradle. The foot is bounded on opposite sides by two foot surfaces that are arranged at a foot-surface angle to each other. The foot cradle has two complimentary supporting surfaces against which the foot surfaces rest. The supporting surfaces are vertically movable, allowing the foot and transportation system structure to be raised or lowered, and the vertical adjustment thereby takes place. A transportation system cradle has at least one such foot cradle, and together with the transportation system structure suggested, form an intermediate product that can be moved between assembly stations in an assembly plant.
Owner:INVENTIO AG
Multifunctional sports shoes
InactiveCN101224052AWill not affect stabilityWith all-round protectionSolesSoft materialsEngineering
The invention relates to a sports protection article, in particular to a pair of multifunctional gym shoes which can protect the feet of athletes from being hurt in an omnidirectional way and synchronously relieve the hurt to the opposite side, comprising a vamp and a sole that is fixedly connected with the vamp; a plurality of protective mats are respectively positioned at the toes, the surface of the feet, the feet wrist, the ankle as well as the inner sides and the outer sides of the feet; the sole is made of soft material, and one side of the sole which is contacted with the feet is provided with convex plastic skidproof granules that are corresponding to the shape of the feet, the other side is provided with a plastic skidproof surface that is corresponding to the shape of the feet; riser vents are arranged around the convex plastic skidproof granules and the plastic skidproof surface. Gap is opened between the great toe and the other four toes at the toe part of the gym shoes and the great toe and the other four toes are connected together by elasticated cloth; the feet wrist part of the vamp is provided with the protective mat used for protecting the feet wrist and an elastic belt arranged above the protective mat; the elastic belt is provided with a drawstring which is fixedly connected with a nylon agraffe. The invention can effectively protect all the parts of the feet and is comfortable, sanitary and skidproof at the same time.
Owner:刘孝臣
Foot board device for measuring foot applied force
InactiveCN103230278ASimple structureEasy to measureMuscle exercising devicesData acquisitionEngineering
The invention aims to disclose a foot board device for measuring foot applied force. According to the device, each foot part comprises an upper layer and a lower layer, four foot boards including two front boards and two back boards, miniature pressure sensors, a butterfly hinge, articulation hole screw rods, a foot board frame, a back extending frame, a front bandage and a back bandage, and a data acquisition module, wherein necessary foot applied force data can be obtained through the pressure sensors and the data acquisition module mounted between the two layers of front sole boards and back sole boards; horizontal displacements of the two layers of upper boards and lower boards are limited with the help of the articulation hole screw rods; the position of a sole is limited with the help of the foot board frame; the size of the sole is adapted with the help of the adjustment of the back extending frame; and an instep is tied by the front bandage and the back bandage. The device is simple in structure, high in durability, convenient to measure, and low in cost, not only can be used alone to measure the distribution of the foot applied force in a human static state, but also can be used in conjunction with a gait rehabilitation training robot, a wearable power assist robot, an exoskeleton lower extremity rehabilitation robot and the like in conventional to measure the foot applied force of a user in walking state.
Owner:HARBIN ENG UNIV
Releasable vacuum holding device
The invention relates to a releasable holding device (1) for attaching objects to a contact surface (8), with a vacuum chamber (7), which is open towards the contact surface (8) and in which, after application to the contact surface (8) by means of a suction device (20) generating a vacuum, a vacuum can be generated, the vacuum drawing the holding device (1) onto the contact surface (8) with the use of an elastic seal (13) which is provided towards the contact surface (8) and, in the event of a vacuum, brings about the adhesive connection to the contact surface (8), wherein the elastic seal (13) consists of at least one encircling seal which is U-shaped in profile and the limbs (15) of which engage over an encircling press-on web (11) of the holding body (2) and the foot surface (14) of which is firmly pressed in order to form the vacuum chamber (7) and the seal between web front edge (11b) and contact surface (8). Suction device and holding device are of two-part design.
Owner:帕特里克・施密特
Contacted three dimensional sole measurer
InactiveUS6847915B2High measurement accuracySimple structureFoot measurement devicesDigital computer detailsEngineeringData treatment
The disclosed device features is a contacting three dimensional sole measuring device to produce accurate three dimensional renditions of the bottom of a human foot placed thereon. The device features one or a plurality of sensors groups communicating with the top surface of a case. Each sensor group is dimensioned to accommodate the area of a footprint of a human foot when placed on top of it. Each sensor group is composed of a plurality of linear displacement sensors which measure the displacement caused by the bottom surface of the foot and communicate that displacement to a data processing device which compiles a three dimensional rendition of the bottom of the foot surface from the individual data points from the displacement senors. Accurate renditions of the bottom surface of a human foot may be achieved by a person simply standing on the sensor groups barefoot.
Owner:ULTRAFOOT HONG KONG
Indoor 3D map matching method for pedestrian
ActiveCN108426582AHigh precisionSimplify complexityInstruments for road network navigationConditional random fieldElectronic map
The invention discloses an indoor 3D map matching method for a pedestrian and belongs to the technical field of indoor pedestrian positioning. An MEMS-INS (micro-electro-mechanical system-inertial navigation system) sensor tied on the foot surface of the pedestrian is used for acquiring indoor movement information of the pedestrian and calculating the speed, position and navigation direction of the pedestrian, an indoor structure is analyzed, state points are created, and a CFR (conditional random field) model is established according to navigation output position information and state point position information. Horizontal 2D position information of the indoor pedestrian is extracted according to a fixed-length walking distance, pedestrian height information is extracted at the zero-speedmoment, an observation point of the CFR model is acquired, and the 2D position of the indoor pedestrian and the sampling moment of height information are recorded respectively. An indoor electronic map is established, state points are created according to indoor structure information, and coordinates of the state points are stored. 3D positioning of the pedestrian can be realized and the algorithm accuracy is high; with the adoption of a method for matching the 2D position and the height information separately, the algorithm complexity is simplified; 2D position and the height information arefused with the approach moment, and the map matching accuracy is improved.
Owner:BEIJING UNIV OF TECH
Intelligent ankle joint movement device
InactiveCN111568697AVersatileGymnastic exercisingChiropractic devicesPhysical medicine and rehabilitationMedizinische rehabilitation
The invention discloses an intelligent ankle joint movement device, and belongs to the technical field of medical rehabilitation equipment. A plurality of foot surface fixing belts are further arranged on the upper end surface of a foot bottom plate; a base plate is located below the foot bottom plate; a gap is reserved between the base plate and the foot bottom plate; one end of a dorsoplantar flexion mechanism is fixedly connected with the upper end surface of the base plate, and the other end of the dorsoplantar flexion mechanism is movably connected with the lower end surface of the rear portion of the foot bottom plate; one ends of two rotating mechanisms are connected with one side of the front portion of the foot bottom plate through the belts; and one ends of two inward-outward turning mechanisms are fixedly connected with the upper end surface of the base plate, and the other ends of the inward-outward turning mechanisms are movably connected with the edge of the lower end surface of the front portion of the foot bottom plate. The intelligent ankle joint movement device can assist a patient in active or passive ankle joint rehabilitation training, and is multifunctional and wide in application range.
Owner:深圳市大鹏新区南澳人民医院
Socks
InactiveCN106307626AEasy to put on and take offSport followingPanty-hoseHosieryEngineeringMechanical engineering
The invention discloses a pair of socks. Each sock comprises a sock sole portion which gets into contact with a foot sole, a surface portion for covering a foot surface, a heel portion for covering a heel and a main body portion for covering other parts, wherein the various portions of each sock are in seaming connection; and the various portions are formed by cutting and seaming different fabrics. The socks are formed by conducting cutting and seaming in accordance with human body dimensions and a requirement on wearing pressure. The socks are excellent in easy taking-on / off performance and movement tracking performance and are comfortable to wear. The socks are represented in complex three-dimensional structures which are difficult to weave for a general sock weaving machine. The socks are applicable such occasions as daily life, work, sports and the like.
Owner:TORAY FIBER RES INST(CHINA) CO LTD
Strength testing system of speed changer shifting fork
ActiveCN105136453AImprove test accuracyReduce mistakesMachine gearing/transmission testingMicrocomputerData acquisition
The invention relates to a strength testing system of a speed changer shifting fork. The system is composed of an execution unit, data acquisition units, a working state simulation unit, and a data processing unit. A press machine is used as the execution unit. A displacement sensor and a pressure sensor are used as the data acquisition units. The working state simulation unit consists of a pedestal, a fixed guiding rod, a quickly-changed pressing head, an adjusting sleeve, pressing plates, a shift shaft, and a guiding sleeve. During testing, a speed changer shifting fork is installed on the shift shaft; the pressing plates are installed on two shift foot surfaces of the speed changer shifting fork; the pressure sensor is installed on the press machine and the pressing head is connected with the pressure sensor; and the press machine drives the pressing head to exert vertical pressing forces on the pressing plates. The pressure and displacement information generated during testing is connected with the data processing unit by the pressure sensor and the displacement sensor; and a data curve and a testing result are outputted in a microcomputer. According to the invention, the structure is simple and the design is reasonable; and the strength of the speed changer shifting fork can be measured accurately and conveniently.
Owner:ZHEJIANG WANGLIYANG TRANMISSION CO LTD
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