99 results about "Symmetric design" patented technology

An image sensor formed with shifts among the optical parts of the sensor and the photosensitive parts of the sensor. Exemplary methods of calculating the desired shift are described and include a circular, symmetric design for the shift. The exemplary methods can also be used to calculate a correction coefficient for performing shading correction on signals that are output from the array and digitized.

By laterally asymmetrically defining the well dopant concentration in a floating body storage transistor, an increased well dopant concentration may be provided at the drain side, while a moderately low concentration may remain in the rest of the floating body region. Consequently, compared to conventional symmetric designs, a reduction in the read / write voltages for switching on the parasitic bipolar transistor may be accomplished, while the increased punch-through immunity may allow further scaling of the gate length of the floating body storage transistor.

The invention provides a chuck gripper device of a stacking robot for a complex surface. The device comprises a connecting flange, a mounting frame, a transverse adjusting mechanism, longitudinal adjusting mechanisms, an absorbing mechanism, a human-computer control interface and an electrical protection device; the transverse adjusting device is used for adjusting the width of the absorbing mechanism through a motor driving a bidirectional rotating lead screw; the longitudinal adjusting mechanisms are of a symmetric design and are respectively mounted at two sides of the bidirectional rotating lead screw to lift and lower down the absorbing mechanism; the absorbing mechanism is connected with a sponge chuck by a hinging manner, which effectively avoids the phenomenon of failure of absorbing on an uneven surface; the absorbing mechanism can be in match with the transverse and longitudinal moving mechanisms to adapt to the change on the size of materials. The device is suitably used for gripping objects with different size and surface forms and has the characteristics of being simple in structure, convenient to drive, steady and reliable, high in generality, and flexible to operate.

A Scotch yoke actuator is disclosed with a dual yoke and a diagonally symmetric design. A pair of shafts and pushing devices apply equal, opposing forces to the yoke, causing end loading forces applied to a rotatable shaft attached to the center of the yoke to be cancelled. In embodiments, the weight of the pushing devices is balanced about the yoke, each shaft extends in only one direction from the yoke, and / or the shafts are supported only by the yoke and the pushing devices. In embodiments that use yoke pins, the yoke pins include rollers or bearings to reduce friction, and / or two pair of yoke pin slots support protruding ends of the yoke pins. The yoke pin slots can extend to edges of a yoke housing face, allowing easy shaft removal and reinstallation, and each shaft can include a split end with extensions on opposing sides of the yoke.

The invention discloses a design method of an electrostatic negative stiffness accelerometer. The method is characterized by comprising the steps that S1, an interface electromechanical model of the electrostatic negative stiffness accelerometer is established, and the interface electromechanical model is converted into a coordinate system equation; S2, by calculating electrostatic force of a combtooth capacitor, the position length and symmetric design of a driver and driven detection comb teeth are determined; S3, according to the electrostatic force feedback principle, planning design is performed on the size and spacing of embedded detection comb tooth electrodes; and S4, according to the principle of the acceleration and electrostatic negative stiffness effect in the accelerometer based on electrostatic negative stiffness regulation, a relational expression influencing acceleration finally is obtained. The design method of the high-performance FM accelerometer based on electrostatic negative stiffness regulation is good in use effect and has quite high application and popularization value.

A planar optical device, comprised of sets of nanometer-scale holes milled into a thin metal or ceramic film of subwavelength thickness serves to form arbitrary waveform of light. The holes form a pattern, preferrably rings, of various sizes in order to achieve a given phase front of light due to photonic effect. When designed as a lens, the device focuses incident light into a tight focal spot. In symmetric design, the focusing property of the device does not depend on the incident polarization angle. The lens can be manufactured based on high-throughput fabrication methods and easily integrated with a chip or placed at the end of an optical fiber.

The invention discloses a novel full-symmetric spherical robot. The robot comprises an outer rigid spherical shell, two bearing discs, two servo motors, two linear motors and two balance weight swing arms, wherein the two ends of the outer rigid spherical shell are open and fixedly connected with the two bearing discs through set screws, the two servo motors and the two linear motors are symmetrically installed on the shell in the maximum diameter direction of the shell through the two bearing discs, the two balance weight swing arms are fixedly connected with output shafts of the linear motors respectively, the positions of the two balance weight swing arms are changed through the two linear motors, and the two servo motors are connected with the two linear motors in a matched mode respectively, drive the two linear motors to rotate and drive the balance weight swing arms to rotate at the same time so as to achieve rectilinear motion of the robot. The robot is simple in structure, high in stability and easy to assemble; symmetric design is adopted in the robot; only a small space inside the spherical shell is occupied, and therefore other additional functions of the robot can be easily achieved; the robot has good environment adaptability and function expansibility and can be used for spying, entertainment, military affairs and other fields.

The invention discloses a broadband capacitive coupling laminated GNSS antenna. The antenna is provided with a first medium layer, a second medium layer, a third medium layer and a PCB in sequence from top to bottom; an upper surface of the first medium layer is connected with an upper layer radiation patch, a lower surface of the first medium layer is connected with an upper surface of the second medium layer through a small disc, a lower surface of the second medium layer is connected with an upper surface of the third medium layer through a lower layer radiation patch, and a lower surface of the third medium layer is connected with a reflecting plate on the PCB. The broadband capacitive coupling laminated GNSS antenna also includes four feed probes having identical amplitude, and adopts a phase difference of 90 degrees, a symmetric design enables the antenna to be significantly improved in radiation performance, and the manufactured antenna can maintain excellent performance of high stability at all frequencies, and can completely cover a frequency range of a satellite navigation system.

A method of manufacturing an array of miniaturized spring contacts is disclosed. The invention teaches a symmetric design of the spring contact with two anchoring traces at each side of the spring contact, and teaches a method of forming the spring contact with a continuo us, zero-stress core member throughout the entire body of the spring contact; besides these, the invention enables easy manufacturing of integrated fine pitch spring contact arrays, allows fabrication of such spring contact arrays with extremely uniform spring height and good electrical and mechanical properties.

A multifunction portable table attachment for a laptop computer comprised of a detachable table made of a lightweight hard material such as aluminum, chrome or titanium and further comprising symmetrically constructed orifices on the portable table base for cup holders, mouse pad, and various gadgets when the laptop is resting on the lap of the user. The symmetric design of the portable table allows it to be used on either side of the laptop computer and keeps the table body above the laptop surface level to prevent blocking the connectors and other accessory plugs on the sides of the laptop body. The customized joints of the portable table allows it to be used with laptops of any width or height and facilitates folding up of the portable table while still attached to the laptop and in this manner can be stored away in a laptop or other bag taking up minimal space.

A reaction vessel (1) for holding liquids to be analyzed is provided. The reaction vessel (1) has an enclosing wall (4) and an opening (6) and enables particularly flexible automatic processing and, at the same time, high quality measurement results. To this end, the enclosing wall (4) comprises a first section (10), in which at least the external surface has a substantially circularly symmetric design, and a second section (12), which has at least two planar areas (14) which comprise a light-transmissive material, are opposite to one another and are arranged in parallel. The reaction vessel (1) has a means (12, 22, 26) for orienting the reaction vessel (1) in a receiving position.

The invention discloses an anthropomorphic six-degree-of-freedom robot gravitational equilibrium method which comprises the following steps: the whole six-degree-of-freedom master robot is arranged in an anthropomorphic arrangement way, and the first joint axis of the six-degree-of-freedom master robot is arranged vertically so as to prevent the first joint from conducting rotary motion around the vertical axis under the action of gravity; the three joint mechanisms of the wrist are in wrist heart arrangement, and through symmetric design or counterweight design, the center of mass of the wrist mechanism is positioned at the wrist heart and intersected with a forearm rod piece at one point; a forearm drive motor moves back to one side of a large arm joint through a parallelogram mechanism; through a large arm drive motor and a counter weight thereof and the forearm drive motor and a counter weight thereof, the whole master position mechanism realizes gravitational equilibrium; and in implementation, firstly the gravitational equilibrium of the wrist mechanism is adjusted and then the gravitational equilibrium of the position mechanism is adjusted. The method well solves the complete gravitational equilibrium problem of the force-sensing master, can realize complete gravitational equilibrium of the six-degree-of-freedom robot and fulfill the establishment condition of Jacobi equation, and has good static transparency.

The invention is applicable to the technical field of 3D display and provides a 3D display sleeve, a 3D display method and a 3D display device. The invention aims to solve a problem that the compatibility of 2D and 3D display can not be realized by an existing display product. The 3D display sleeve comprises a display sleeve body which is provided with a cavity for receiving a 2D display device, the shape of the inner surface of the cavity is adapted to the shell of the 2D display device, the display part of the display sleeve body which is at least corresponding to the front surface or back surface of the 2D display device is made of a high transparent material, and the inner side of the display part is a micro lens array. The 3D display sleeve sleeves the front surface of the 2D display device to cover a screen, a naked eye 3D function can be achieved, the space above the 2D display device is subjected to symmetric design and comprises the spaces of an exposed camera, a home key, a headset hole, volume keys, an ON / OFF key and the like, and when the 3D display sleeve sleeves the back side of the 2D display device, the 3D display sleeve can be used a common mobile phone sleeve and has a protection function.

The invention relates to a flower transplanting paw with a function of gathering leaves, and belongs to the field of agricultural automatic offspring seed transplanting equipment. The structure has a symmetric design and is eudipleurally arranged on two sides of a transverse sliding device; an arm, a longitudinal sliding rail group, a longitudinal sliding block group, a sliding block linkage rod, a gathering plate, a synchronous gathering plate linkage rod, a catch fixing device and a paw are arranged on each side; the paw is fixedly connected with the tail end of the arm; the catch fixing device is fixedly connected with the lower part of the arm; the gathering plate is hinged with the middle of the arm; the longitudinal sliding rail group is fixedly connected with the upper part of the arm; the longitudinal sliding block group is arranged on the longitudinal sliding rail group; the arm is fixedly connected with the lower part of a paw fixing frame on one side of the transverse sliding device; the sliding block linkage rod is connected between a transverse moving device and the longitudinal sliding block group; and the synchronous gathering plate linkage rod is connected between the gathering plate and the longitudinal sliding block group. The flower transplanting paw can automatically gather the leaves during catching, so that the phenomenon of damage to seedlings is avoided; the automation degree is high; and the practicability and the applicability are high.

The invention relates to a drive unit (1) for generating an oscillatory motion for an electrical small-scale unit. The inventive drive unit (1) comprises a stator (2) containing at least one coil (5) and a first and second magnet arrangement (6) each having at least one permanent magnet (7). This drive unit (1) also comprises an armature (3) with a non-rotational symmetric design having a first and a second radial projection (10), which extend only over a partial area of the periphery of the armature (3) and are made of a magnetizable material. The inventive drive unit (1) is characterized in that by positioning the magnet arrangements (6) relative to the radial projections (10) of the armature (3), assignments between the magnet arrangements (6) and the radial projections (10) are formed in pairs in such a manner that the magnetic interaction between the magnet arrangement (6) and the radial projection (10) of one pair is permanently greater than the magnetic interaction between the magnet arrangement (6) and the radial projection (10) of two different pairs.

The invention provides a magnetic disk and a method of writing servo data. Embodiments described herein provide for robust servo patterns that comply with planarization constraints and also allow use of a single master template for manufacture of both the front and back of a magnetic disk. Planarization constraints are met because only a portion of servo data is hard patterned on the magnetic disk and the hard patterned servo data areas comply with planarization constraints. The servo pattern has two symmetrical servo write assist patterns, one on each side of a central burst pattern. The servo sync, SAM, track-ID, sector-ID, and / or RRO values can be written magnetically by the write head onto these servo write assist patterns after the completion of the planarization process. The symmetric design of the servo pattern allows both a left-to-right and a right-to-left servo write and read back, thereby enabling use of a single master template in magnetic disk manufacture.

The invention discloses a sole quality detection device for sole replacement shoes, which includes plugs, electric wires, a fixed detection table, a leveling base, a printer, a pressure sensor, a switch, a bracket, a cross bar, a motor, a vertical bar, a movable test table, and a rear detection Hammer, front detection hammer, balance bar, top piece, middle piece and perforation, the plug is connected with the fixed detection platform through wires, the lower side of the fixed detection platform is provided with a leveling base, the left side of the fixed detection platform A printer is installed, the switch is connected to the pressure sensor through a fixed detection table, the cross bar is connected to the fixed detection table through a bracket, a motor is arranged on the front side of the cross bar, and the vertical bar is connected to the cross bar through a motor, A movable test bench is arranged inside the balance pole. This equipment is specially suitable for the inspection of re-sole shoes. It is highly compatible with the soles of re-sole shoes. The overall design is symmetrical, safe and durable, and the pressure measurement process is more stable. It is a set of quality inspection devices for re-sole shoes with excellent performance.

The invention discloses a radio frequency coil assembly for magnetic resonance imaging. The radio frequency coil assembly for magnetic resonance imaging comprises a coil support, a first coil, a second coil and a coil position adjusting mechanism, wherein the first coil and the second coil comprise casings and coil units arranged in the casings, the first coil and the second coil are oppositely arranged and are connected with the coil position adjusting mechanism, the coil position adjusting mechanism is assembled with the coil support, and the coil position adjusting mechanism is used for adjusting the first coil and the second coil to simultaneously move or one of the first coil and the second coil to move. The radio frequency coil assembly is advantaged in that symmetric design is employed, the coil position adjusting mechanism is employed to reduce the swing position during scanning to three steps, operation of a technician is simplified, and swing efficiency is improved.

The invention discloses an ultrasonic cutter handle which comprises a blind rivet, a cutter handle, a flange plate and an ultrasonic milling device. The front end of the cutter handle is detachably connected with the blind rivet; the flange plate adopts a symmetric design and is fixedly connected with the tail end of the cutter handle; the ultrasonic milling device comprises a first piezoelectricceramic assembly, a second piezoelectric ceramic assembly, a third piezoelectric ceramic assembly, a fourth piezoelectric ceramic assembly, an amplitude-change pole and a chuck; the first piezoelectric ceramic assembly and the second piezoelectric ceramic assembly are symmetrical with respect to the flange plate; the amplitude-change pole comprises a cylindrical section and a conical section; oneend of the cylindrical section supports the third piezoelectric ceramic assembly and the fourth piezoelectric ceramic assembly; the other end of the cylindrical section is fixedly connected with the bottom end of the conical section; and a circle of spiral groove is uniformly formed in the surface of the cylindrical section. The flange plate with the symmetric design is adopted, and one circle ofspiral groove is arranged on the cylindrical section of the amplitude-change pole, so that longitudinal and torsional two-dimensional ultrasonic vibration can be output at the same time; and in addition, longitudinal and torsional nodes coincide in positions on the flange plate, so that the excitation frequency of the ultrasonic milling device and the ultrasonic wave transmission efficiency are improved.

The invention discloses a microstrip line bridge and relates to the technical field of an electrical bridge. The microstrip line bridge comprises a cavity, a cover plate, a circuit board, dielectric plates and additional dielectric plates, wherein the cover plate is arranged above the cavity, the circuit board is arranged in the cavity, a microstrip line is arranged on each of the upper surface and the lower surface of the circuit board, the four ends of the microstrip lines are all connected with the outside through the cavity, the dielectric plates are respectively arranged above and below the circuit board, and the additional dielectric plates are respectively arranged outside the dielectric plates. In the microstrip line bridge, a symmetric design of a five-stage microstrip line of a coupling strip line is adopted, the requirement of a conventional cylindrical coupling bar bridge for coverage bandwidth can be met, meanwhile, the situations that the rigidity cannot be guaranteed and the strip line is easy to deform due to overlong length are changed, and the processing required accuracy, the assembly requirement and the production cost during the production process are also reduced.

This invention relates to proton exchange film fuel battery field, which is applied in space and submarine devices. The current proton exchange film fuel battery crossing flow channels adopt feeding flow channel and exit flow channel with same width symmetric design to lower the utility of the electrode catalyzer and the impact on the high intensity property. The invention comprises positioning bolt hole, one group of exit flow channel, one group of entrance flow channel, sealed groove and is characterize by the larger width than that of exit flow channel.`.

A clamping piece for connecting traditional glasses and multimedia accessories comprises a clamping piece main-body (1), air guide heat-radiation holes (2), flexible heat-radiation projection points (3), an N-pole magnetic connection piece (4), a traditional glasses leg (5), an S-pole magnetic connection piece (6) and a multimedia accessory (7). The air guide heat-radiation holes (2) and the flexible heat-radiation projection points (3) function together and can have effects of ventilation and heat radiation. The traditional glasses leg (5) can be fixed inside the clamping piece main-body (1). One side of the air guide heat-radiation holes (2) of the clamping piece main-body (1) is contacted with the face of a wearer, thus together playing a role in fixing the clamping piece main-body. The N-pole magnetic connection piece (4) for connecting the multimedia accessory (7) is corresponding to the S-pole magnetic connection piece (6) on the multimedia accessory (7). Thus, it is convenient to fix the multimedia accessory (7). The clamping piece main-body (1) can be configured at one side of the traditional glasses leg (5). As the clamping piece main-body (1) is a symmetric design, the clamping piece main-body (1) also can be placed at the other side of the traditional glasses leg (5), and different types of multimedia accessories (7) also can be worn at two sides of the traditional glasses leg (5).

A four-piece suspension having a separate extended hinge plate routes its flexure centrally through the hinge area in a symmetrical design. This design eliminates unwanted off-track motion of the slider for bending modes. The hinge plate extends from the base of the load beam to the base of the flexure legs to eliminate height mismatch for the flexure. The ILS flexure, hinge plate, and load beam are welded together to provide a stiff structure for high torsional frequencies. Flexure torsional mode frequency is further increased by welding the flexure to the hinge plate and load beam at two locations closer to the dimple formed at the distal end of the suspension.

The invention relates to a structural device for a cascaded type cophase power supply converter. The device comprises power units which can be connected in series and in parallel, multiple columns of cabinet bodies which are formed by connecting power unit single cabinets and a container for containing the cabinet bodies. According to the structural device for the cascaded type cophase power supply converter, the whole structural design and connections aiming at the power units are optimized in the structural device, and by means of the efficient series-wound and shunt-wound design and the symmetric design of the electrical structure, back-to-back power units are formed, so that the functions of a high-voltage cophase power supply system are achieved in structure, and the technical effects that electrical sectioning is canceled, the safety and the comfort of a train are improved, and damage of an idle current and a harmonic current to the system is reduced are achieved.

A latch that can be used as a mechanical aid for insertion / extraction of a circuit pack into / from a slot in an equipment cabinet. In an example embodiment, a handle of the latch contains a spring-biased locking lever that automatically locks the latch in the closed position when the pawl of the latch engages the keeper. Some embodiments may include an integrated micro-switch that enables a graceful shutdown of the circuit pack, e.g., to avoid an extraction without a proper power-down. At least some embodiments of the latch may also have one or more of the following beneficial characteristics: (i) a relatively large and / or variable leverage ratio; (ii) a relatively small footprint on the faceplate of the circuit pack; (iii) a fully symmetric design with or without the integrated micro-switch; and (iv) enhanced electromagnetic compatibility with the use of an electrically conducting latch base and / or gasket.

Provided are a storage engine and a storage structure. The storage engine comprises a first input / output processor (IOP), a second IOP, a disk interconnection interface, a storage engine interconnection interface and a management interface. The first IOP is connected with at least one disk through the disk interconnection interface and an external exchange module, and the second IOP is connected with the external exchange module. The storage engine is good in expansibility, and due to symmetric design, the storage engine is high in storage efficiency and good in performance. Storage of mass data can be achieved through the storage structure formed by the storage engine, global access can be achieved, and reliability and safety of data storage are high.

The invention discloses a five-stage coupling bridge, and relates to the technical field of bridges. The five-stage coupling bridge is composed of a cavity, a cover plate, dielectric plates and additional dielectric plates, wherein the cover plate is installed above the cavity, the cavity is internally provided with the circuit board, the upper surface and the lower surface of the circuit board are provided with a microstrip line respectively, four ends of the microstrip lines are connected with the external part through the cavity, the dielectric plates are arranged above and below the circuit board respectively, and the dielectric plates are externally provided with the additional dielectric plates respectively. The five-stage coupling plate adopts a coupling strip line five-stage microstrip line symmetric design, not only can meet requirements of general columnar coupling rod bridges for the bandwidth and change a circumstance that the strip lines cannot be guaranteed in rigidity and easy to deform because the strip lines are too long at the same time, but also reduces the required processing accuracy, assembling requirements and the production cost in the production process.