56 results about "North Magnetic Pole" patented technology

A magnet assembly for producing a varying magnetic field is provided wherein a plurality of permanent magnets are interposed between two members which are constructed of a ferromagnetic material. Each of the magnets is rotatable and has a north and south magnetic pole. Each of the magnets is disposed so that the north magnetic poles of the plurality of permanent magnets have a common magnetic orientation with respect to the first member. An orienter, such as, for example, a ring gear and pinion arrangement, is coupled to the magnets to change their common magnetic orientation with respect to the first member. The magnetic field projected by the assembly varies as a function of the orientation of the magnets.

A probe connector adapted for electrically interconnecting with a mated connector which has two portions thereof provided with different magnetism selected from a south magnetic pole and a north magnetic pole respectively, includes an insulating housing, a plurality of probe pins and a foolproof mechanism. The insulating housing defines a plurality of inserting holes penetrating therethrough for receiving the probe pins. The foolproof mechanism is made of magnetic material and includes an upper cover and a lower cover which have different magnetism selected from a north magnetic pole and a south magnetic pole respectively. The upper cover and the lower cover are mounted to two opposite sides of the insulating housing. The probe connector can be interconnected with the mated connector based on principles of homopolar repulsion and heteropolar attraction between the upper cover and the lower cover and the two portions of the mated connector.

An apparatus and method for controlling and / or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is preferably from the North magnetic pole to the South magnetic pole.

A dumbbell and incremental weight plate for same are disclosed herein comprising a bar that extends generally axially between opposing end regions, a weight plate mass mounted about the bar at each end region, and at least one incremental weight plate mountable on said weigh plate mass. One of the weight plate mass and incremental weight plate has at least a pair of such regions with a north magnetic pole and a south magnetic pole. The other of the weight plate mass and incremental weight plate has at least one magnetic region constituting a magnetic pole. The respective magnetic regions are positioned so that the incremental weight plate is magnetically secured to the weight plate mass through the magnetic coupling between their respective magnetic regions when the incremental weight plate is in a first position with respect to the weight plate mass, and is magnetically repelled from the weight plate mass through the magnetic interaction of their respective magnetic regions when the incremental weight plate is in a second position with respect to the weight plate mass.

An alignment device and method for aligning an antenna with a satellite. The device includes a grooved cylindrical sleeve inserted into a ridged cylindrical sleeve, a raised azimuth indicator ring and a magnetic or digital compass mounted upon the grooved cylindrical sleeve, and a bubble level mounted on a capped cylindrical sleeve that fits over the grooved cylindrical sleeve. A known value of optimal azimuth alignment is offset from the North Magnetic Pole so that a reference and alignment mark may be placed on the antenna mounting pole. This alignment device and method eliminate the need for two technicians and eliminate the need for a signal strength measuring device.

The invention discloses a multi-directional polarized light-based real-time navigation device. The multi-directional polarized light-based real-time navigation device comprises a navigation device main body and an upper computer of a multi-directional polarized light information fusion module, wherein the navigation device main body has a polyhedral array structure; a polarized light sensor for measuring the polarization direction of incident light and a light intensity sensor for measuring the intensity of incident sunlight are arranged on each plane of the array structure; one surface of the polyhedral array structure is set to be a horizontal datum plane; an electronic compass for acquiring horizontal datum plane three-dimensional information at least comprising a pitch angle alpha, a roll angle beta and a course angle alpha magnetic north is arranged on the horizontal datum plane; the alpha magnetic north expresses an included angle between the body axis of the electronic compass and a geomagnetic north pole; the multi-directional polarized light information fusion module, an astronomical almanac query module and a geomagnetic information query module are arranged in the upper computer.

The invention relates to the field of human body movement recognition, and provides a swimming attitude measuring method based on a wearing-type sensor. The method comprises the steps that a moving signal and a magnetometer signal of limbs when a body stands and swims are collected by using the wearing type sensor respectively; the initial attitude of the limbs is obtained, correction is conductedon the initial attitude, and the corrected initial attitude is obtained; quaternion of a sensor coordinate system and a geographical coordinate system can be obtained through a gravity vector direction and a magnetic field north magnetic pole direction, and the quaternion is utilized to perform calibration on the body initial attitude and a biomechanic model, a complementary filtering algorithm is utilized to eliminate sensor error, and body swimming attitude updating is conducted by using the moving signal and the magnetometer signal in the swimming process. By means of the method, swimmingbody attitude can be captured, and the attitudes of swimmers are comparable through kinematic analysis.

The invention relates to a method for tracking and positioning an underwater long-distance magnetic object based on a scalar sensor array According to the method, five magnetic sensors are utilized to form a cross-shaped array on water surface or under water, the sensor optical axis orientation is basically parallel to the earth magnetic field vector T0 direction, and one edge of the cross-shaped sensor array is aligned to the earth-magnetic-field north magnetic pole direction. Each sensor is processed according to the following formula, T1-Ti, wherein i is not equal to 1, and thus the position coordinate (x,y,z) of the magnetic object relative to the first sensor and the object magnetic moment |P<right arrow>| are obtained. According to the method, through the position relationship of the sensors in the array, the quasi gradient of the total earth magnetic field is obtained, and thus three-dimension tracking positioning on the magnetic object is realized, and influence of earth magnetic field variation along with time and influence of space environment magnetic field distribution on magnetic positioning are eliminated.

An input device includes an operation portion to be operated by an external force, a signal generating portion that generates a signal according to a movement of the operation portion, and a tactile sense stimulus mechanism that applies a tactile sense stimulus to an object that applies the external force. The tactile sense stimulus mechanism includes a first magnetic field generating portion, a second magnetic field generating portion, and a tactile sense stimulus member, the first magnetic field generating portion has a North magnetic pole and a South magnetic pole that are arranged at given intervals to face each other, the second magnetic field generating portion is interposed between the North magnetic pole and the South magnetic pole to be movably provided in perpendicular to a direction that connects the North magnetic pole and the South magnetic pole, and the tactile sense stimulus member is secured to either the first magnetic field generating portion or the second magnetic field generating portion.

An apparatus and method for controlling and / or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is preferably from the North magnetic pole to the South magnetic pole.

The invention discloses a magnetic force swinging type soybean oil atomizing and spraying device of an ornamental type fish color increasing feed. Through the magnetic suction effect of each iron block and a corresponding third magnet, each moving column in a corresponding elastic telescopic device extends outwards to drive a corresponding material pushing plate to move, so that the purpose of moving the material pushing plates in a reciprocating manner is realized, the mixing effect of soybean oil is obvious, and the atomizing quality is improved; the directions of the south magnetic pole andthe north magnetic pole of two first magnets are opposite, and the directions of the south magnetic pole and the north magnetic pole of two second magnets are the same, so that the first magnets andthe second magnets arranged in corresponding positions are alternatively attracted and repelled, and a material guiding platform is in reciprocating swinging; raw materials in a housing are transported to the material guiding platform through a material cycling device, so that the raw materials on the material guiding platform are continuously rolled, the adsorbing effect of vaporific soybean oilby the raw materials is improved, and the quality of products is improved; and first spiral springs are used for enabling the material guiding platform to have certain buffering in the swinging process, so that the rolling speed of the raw materials is uniform.

The invention discloses a numerical control drilling machine positioning and pressing device for splint processing of a large excavator, which comprises a drilling machine platform, a support table, an X-direction positioning plate, a Y-direction clamping device, a slide rail, a sliding sleeve and a Z-down pressing device. The upper part of the drilling machine platform is provided with a support platform, and the upper left side of the support platform is fixedly connected with an X-direction positioning plate, and a Y-direction clamping device is installed on the support platform on the right side of the X-direction positioning plate. A fast limiting device is fixedly installed; the beneficial effect of the present invention is: the U-shaped bar rotates 90°, and the magnetic south pole and the magnetic north pole of the first magnet and the second magnet corresponding up and down are in the same direction, so that the U-shaped bar moves down and passes through The function of tightening the bolts further enhances the pressing force. During the processing, the generated iron filings are hung on the branch rods with serrated surfaces, so that the iron filings are cut off in time, and the rotating column rotates the iron filings. To the outside, the iron filings can be cleaned without stopping the machine.

The invention discloses a system and a method for unlocking a touch screen. The system comprises the touch screen, a central processor, an electronic compass with a dial and an earth induction sensor. The central processor, the touch screen, the electronic compass and the earth induction sensor are sequentially connected, the electronic compass is provided with a pointer, one end of the pointer corresponds to an N pole of the south pole of earth magnetism, the other end of the pointer corresponds to an S pole of the north pole of the earth magnetism, and the pointer can rotate around the center of the electronic compass. Preset passwords are omitted, a user can unlock the touch screen by dynamic passwords without remembering the passwords in each operation, and the system is simple and convenient to operate and high in confidentiality and safety.

An apparatus and method for controlling and / or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is preferably from the North magnetic pole to the South magnetic pole.

The present invention relates to a shutter device for camera used for small-sized digital equipment and includes a base forming a light transmission hole to expose a film or charge-coupled device (CCD) to laser beam; an electromagnet mounted on one side of the base; a driving arm which is mounted on one side of the electromagnet on the base so as to pivot on the base; a first shutter and a second shutter to open and close the light transmission hole, which pivots on the part of the base in association with the pivoting of the driving arm; and a magnetic which is installed on the driving arm and has the north magnetic pole and the south magnetic pole at opposite ends of the magnetic or on surfaces opposite to the electromagnet. The driving arm drives the first shutter and the second shutter by pivoting in a clockwise or counter-clockwise direction by the attractive force and repulsive force generated between the electromagnet and the magnetic according to the direction of the electric current applied to the electromagnet, the electromagnet includes a bobbin and a coil wound around the bobbin, and each side of the bobbin having opposite poles of magnetic field is disposed adjacent to the north and south pole.

The invention relates to a method and a device for removing iron in fluid, and the device is characterized by comprising a magnetic field formed by a permanent magnet or an electromagnetic south magnetic pole and an electromagnetic north magnetic pole, a non-magnetic cylinder with a rotary power mechanism, a soft magnetic medium arranged in the non-magnetic cylinder and a channel with a cavity being larger than the non-magnetic cylinder, wherein a plurality of through holes are arranged on the peripheral side surfaces of the non-magnetic cylinder, a fluid collecting groove is arranged on the outer surface of the magnetic field, which is dead against a fluid outlet at the other end of the non-magnetic cylinder, a fluid introduction port is arranged on the outer surface of the magnetic field, which is dead against a fluid inlet at one end of the non-magnetic cylinder, and a ferromagnetic substance collecting groove is arranged at a ferromagnetic substance outlet at the end part of the channel. Compared with the prior art, the device has the advantages of effectively recovering the capability of removing ferromagnetic substances of the soft magnetic medium, being convenient and reliable to use, being simple in structure, and being low in manufacturing cost.

The invention provides a Zigbee network-based direction self-calibration ultrasonic wind measuring system and method. A virtual machine coordinate system-based Zigbee network of a topological structure is established through a plurality of Zigbee protocol-based wireless transmission modules; each Zigbee network node comprises two pairs of ultrasonic probes; the probes in each pair are opposite to each other, and the two pairs of ultrasonic probes are vertically arranged in a crossing manner; the wind speeds in two branch directions are calculated by acquiring the propagation time of ultrasonic wave of each pair of probes and the space between two probes; wind speed vectors in the two directions are synthesized to obtain the speed and the direction of natural wind; the actual direction of the natural wind is obtained by acquiring the locating positions of the Zigbee network nodes and the deflection angle of the geomagnetic north pole through an electronic compass.

The invention relates to a manufacture technology of a ball connection point with a coreless necking bulging pressing method. The ball connection point is suitable for a combined type ball connecting handrail for a security enclosure. The manufacture technology comprises the steps as follows: a tubular rough-necking-bulging-shaping-removing stress and hot treating-machine holes-detecting-warehousing. The technology has the advantages in that: the pressing process of necking, bulging and shaping the rough and forming the ball connection point does not adopt the method that separated movable convex dies, rubber, polyurethane or liquid, and the like, are taken as core ware to transfer the axial pressure of a press machine into the radial pressure to the bulging of a work piece, but adopting the method which comprises the steps of directly designing a special press die, generating the radial bulging under the axial pressure of the press machine with the self intensity of the work piece to form the ball connection point, and machining the holes remained by necking the south magnetic pole and the north magnetic pole into handrail pipe holes or cross-bar pipe holes or the zinc leakage for treating the hot dip galvanizing of a steel handrail. The ball connection point is seamless and is heat treated by means of removing the stress, thereby improving the safety performance thereof.

The invention discloses a method for realizing positioning between a building model and an entity by using the mixed reality technology. The method comprises a step of establishes a building BIM modelof a physical building and adopting the same coordinate system, pasting a two-dimensional code at any position of a physical building wall, wherein the two-dimensional code includes the coordinate information of a position of pasting the two-dimensional code, the information of an angle with a north magnetic pole direction and Y-axis direction identification parameter information, and a step of setting a head-mounted display device at the position of the building BIM model, allowing a depth camera to the head-mounted display device to scan the two-dimensional code to read relevant information, the distance between a sensor measuring device and the two-dimensional code, the angle between an electronic compass measuring device and the north magnetic pole direction and the angle between a gravity sensor measuring device and a gravity direction, obtaining the coordinates of the device in the coordinate system through calculation, and determining the coordinates of the building BIM model relative to the physical building. According to the method, the positioning between the building BIM model and the entity is achieved through a mixed reality device, and location information is provided for the display of the building BIM model.

A three-phase rotating electrical machine includes a stator (2) including a stator core (21) provided with a plurality of teeth (23) and a plurality of slots (24), and winding (27), the three-phase rotating electrical machine including a rotor (3) including a rotor core (31) and a north magnetic pole (33N) and a south magnetic pole (33S), the three-phase rotating electrical machine including a fractional slot configuration, the rotor core including a north magnetic pole acting portion (34N), a south magnetic pole acting portion (34S), magnetic pole boundaries (35, 36, 361, 362) dividing the north magnetic pole acting portion and the south magnetic pole acting portion in the circumferential direction, and magnetic resistance portions (41, 42, 43, 441-444, 451-454, 461-464, 471-474), the magnetic resistance portion restricting the magnetic flux from passing through.

An alignment device and method for aligning an antenna with a satellite. The device includes a grooved cylindrical sleeve inserted into a ridged cylindrical sleeve, a raised azimuth indicator ring and a magnetic or digital compass mounted upon the grooved cylindrical sleeve, and a bubble level mounted on a capped cylindrical sleeve that fits over the grooved cylindrical sleeve. A known value of optimal azimuth alignment is offset from the North Magnetic Pole so that a reference and alignment mark may be placed on the antenna mounting pole. This alignment device and method eliminate the need for two technicians and eliminate the need for a signal strength measuring device.

The invention discloses a cultivation pool used for planting lotus roots. The cultivation pool is composed of a pool bottom and surrounding pool walls; the longitudinal section of the cultivation poolis of a trapezoidal structure with the upper portion wide and the lower portion narrow, thin films are laid on the pool bottom and the surrounding pool walls, a plain soil layer is laid on the upperportion of the thin film of the pool bottom, pad layers are laid on the thin films of the pool walls, cement plates are arranged on the pad layers, and the upper portion of the cultivation pool is provided with a fertilizer box; a fertilizer and water are injected to a fertilizer box through a material inlet pipe, and a motor is started through a button switch; since the south magnetic pole of onefirst magnet and the north magnetic pole of the adjacent first magnet are opposite in direction, the south magnetic pole of one second magnet and the north magnetic pole of the adjacent second magnetare opposite in direction, therefore the first magnets and the second magnets repel each other and attract each other in an alternating mode, a frame body thus moves in a reciprocating mode, the materials thus are subjected to the stirring effect from all sides in the same layer, the fertilizer stirring effect is improved, and fertilizers thus uniformly overflow through a branch pipe and providenutrition for the growth of the lotus roots.

The present invention relates to a shutter device for camera used for small-sized digital equipment and includes a base forming a light transmission hole to expose a film or charge-coupled device (CCD) to laser beam; an electromagnet mounted on one side of the base; a driving arm which is mounted on one side of the electromagnet on the base so as to pivot on the base; a first shutter and a second shutter to open and close the light transmission hole, which pivots on the part of the base in association with the pivoting of the driving arm; and a magnetic which is installed on the driving arm and has the north magnetic pole and the south magnetic pole at opposite ends of the magnetic or on surfaces opposite to the electromagnet. The driving arm drives the first shutter and the second shutter by pivoting in a clockwise or counter-clockwise direction by the attractive force and repulsive force generated between the electromagnet and the magnetic according to the direction of the electric current applied to the electromagnet, the electromagnet includes a bobbin and a coil wound around the bobbin, and each side of the bobbin having opposite poles of magnetic field is disposed adjacent to the north and south pole.

An apparatus and method for controlling and / or minimizing the formation or accumulation of unwanted deposits on the inside of fluid flow paths by employing at various locations along the path an assembly of permanent magnets oriented such that the fluid flow is preferably from the North magnetic pole to the South magnetic pole. The apparatus including an upper portion and a lower portion with a cylindrical magnet disposed on the surface of the upper portion. The lower portion includes a safety shelf to prevent compression of the magnet by the upper portion and the lower portion.

The invention discloses a processing mixer for lubricating grease blending. The processing mixer comprises a tank body. A rotating ring is arranged inside the tank body. Several first magnets are uniformly and fixedly connected to the surface of the rotating ring. The south magnetic pole and the north magnetic pole of adjacent first magnets are opposite. Several elastic telescopic devices are fixedly connected in the circumferential direction of the inner wall of the tank body. A movable end of the elastic telescopic device is fixedly connected with a framework. Since the south magnetic pole and the north magnetic pole of adjacent first magnets are opposite and the south magnetic pole and the north magnetic pole of adjacent second magnets are opposite, the first magnets and the second magnets alternately repel and attract each other. Thereby, the framework reciprocates, raw materials are stirred back and forth and side to side in a same layer, and the raw material mixing effect is improved. Since a first screw blade and a second screw blade have the opposite spiral directions, the raw materials flow circularly in the lower area, thus further improving the mixing effect.

The invention discloses a slogan coining equipment conveniently and rapidly replacing of modules for municipal engineering. The slogan coining equipment includes a base plate, a rack, a template, an embossing module and a placing table, the base plate is provided with the placing table which is connected with the base plate through a height regulating device, and the rack is fixedly connected at the upper portion of the base plate; the embossing module is absorbed at the template due to the magnetic suction of magnets, when the embossing module needs to be replaced, people can rotate a rotating handle to change south magnetic pole or north magnetic pole of the magnets which face downside to face the left and right sides, and then the embossing module can be conveniently replaced; the operation is simple and fast, the position of the template can be regulated by rotating a first regulating nut, the size of the pre-tightening force acted to the template can be regulated by rotating a second regulating nut, and if the first regulating nut and the second regulating nut are regulated at the same time, the size of the pre-tightening force can be the same during regulating the position ofthe template; and the regulation is convenient according to the downward-pressing stress, and the operation is simple and convenient.

A string-vibration transducer for an electric, stringed instrument that provides effective noise or hum cancellation while retaining single-coil tone. The transducer includes a permanent magnet, at least two ferromagnetic metal poles, a coil that is configured to loop around the at least one ferromagnetic metal pole, and a bottom flatwork comprising at least two apertures to receive the at least two ferromagnetic metal poles, wherein the permanent magnet comprises a north magnetic pole and a south magnetic pole, wherein the at least two ferromagnetic metal poles are configured to be displaced on top of the permanent magnet and through the at least one aperture on the bottom flatwork, wherein the coil is configured to loop around the at least two ferromagnetic metal poles to comprise two loops in a shape of figure eight, and wherein the bottom flatwork is configured to be on top of the permanent magnet.