367results about How to "Ensure degrees of freedom" patented technology

An SOI wafer including: a supporting substrate 1; a BOX layer 2 provided above the supporting substrate 1, the BOX layer 2 being formed by a thermal oxidization; a gettering layer 3 provided immediately on the BOX layer 2 and mainly composed of a silicon which contains one or more of oxygen, carbon and nitrogen and contains at least oxygen; and an S layer 4 in which semiconductor devices are to be formed, the S layer 4 being mainly composed of a monocrystalline silicon.

A method of driving a MEMS mirror scanner having an electrostatic actuator, comprising a step of driving the electrostatic actuator according to an input signal in accordance with a driving waveform obtained by the following equation,whenC+′(θ)≠0VV(t)=1C+′(θ)I[-C-′(θ)IVB+-(1ICL(θ)θ)(1ICR(θ)θ)VB2+C+′(θ)I(θ¨+2BIθ.+κIθ)]whenC+′(θ)=0VV(t)=θ¨+2BIθ.+κIθ2C-′(θ)IVBwhere, B / I, κ / I, (1 / I)·dCL(θ) / dθ and (1 / I)·dCR(θ) / dθ are parameters for obtaining the driving waveform, θ(t) is a desired mirror angle response, I is a moment of inertia of a moving part including a mirror, 2B is a damping factor (damping coefficient), κ is a spring constant, CL(θ) and CR(θ) are angle dependencies of an electric capacitance, VB is a constant bias voltage in differential driving, and C+′(θ) and C−′(θ) are ½ of the sum and the difference of the first order derivative of CL(θ) and CR(θ) with respect to θ, respectively, which are represented by defined equations.

A structure for informing a state of the ink tank by a light emitting section such as LED, capable of displaying such information at a position easily visible by the user and favorably sending the emitted light both to the user and a light receiver section on the printer side without needing electric wiring which may disturb the user's visibility or manipulation. The light emitting section is separated from the display section and a light guiding section is provided between the both. A member for suitably limiting the emission of light is provided in the display section. Thereby, it is possible to dispose the display section at the best position without needing the electric wiring on the ink tank and obtain a preferable light volume suitable both for the improvement in user's visibility and the stability of the operation of the light receiving section.

A semiconductor package, provided with a multilayer interconnect structure, for mounting a semiconductor chip on its top surface, wherein a topmost stacked structure of the multilayer interconnect structure includes a capacitor structure, the capacitor structure having a dielectric layer comprised of a mixed electrodeposited layer of high dielectric constant inorganic filler and insulating resin and including chip connection pads for directly connecting top electrodes and bottom electrodes with electrodes of the semiconductor chip, whereby greater freedom in design of interconnect patterns can be secured, the degree of proximity of the capacitor and semiconductor chip can be greatly improved, and the package can be made smaller and lighter in weight, a method of production of the same, and a semiconductor device using this semiconductor package.

In a battery cooling structure, a battery case housing a large number of battery modules is formed into the shape of a rectangular tube having a cooling air inlet and a cooling air outlet, and V-shaped cooling air guide channels having a decreasing flow-path cross sectional area are provided on inner faces of air guide plates that define upper and lower faces of the rectangular tube. The flow of cooling air is deflected by these V-shaped cooling air guide channels toward a central part on the downstream side, thus effectively cooling the battery modules disposed in the central part, for which the cooling effect is poor to make uniform the temperature of the battery modules, resulting in a suppressed variation in capacity and lifetime. Moreover, since it is not necessary to provide a bypass passage in the battery case, it is possible to simplify the structure of the battery case, reduce the dimensions, and improve the degree of freedom in the layout.

The invention discloses a backpack-type walking power assisting device which comprises a supporting frame, wherein a back plate, straps, a backpack and a size-adjustable waistband are arranged on the supporting frame; a rotatable hip joint is mounted at the lower end of the supporting frame; a pair of lower limb exoskeletons are mounted on the hip joint; each lower limb exoskeleton comprises a thigh bone supporting mechanism, a leg bone supporting mechanism and a foot fixing mechanism; the leg bone supporting mechanism is elastically connected with the foot fixing mechanism; the thigh bone supporting mechanism comprises a thigh bone fixing plate and a first gravity balance mechanism; the leg bone supporting mechanism comprises a leg fixing plate and a second gravity balance mechanism; and the thigh bone fixing plate is elastically connected with the leg fixing plate. The backpack-type walking power assisting device has the advantages that the first gravity balance mechanism and the second gravity balance mechanism are used for balancing the lower limb gravity in a moving process of a human body in real time, thereby enabling a user to walk by following a movement trajectory of a human skeleton and reducing the physical output of the user; a pure mechanical structure design is adopted; the device cannot be influenced by an external environment; and the stability and reliability are high.

The invention relates to the technical field of walking mechanisms for maglev vehicles, and particularly relates to a walking mechanism for middle / low-speed maglev vehicles. The walking mechanism for middle / low-speed maglev vehicles comprises at least two end part suspension frames and at least an intermediate suspension frame, each suspension frame comprises two longitudinal beams, sliding tables, air springs, a transverse draw bar and an anti-side-rolling draw bar, wherein the two longitudinal beams are arranged in a left and right mode, the sliding tables and the air springs are arranged in the middle of the longitudinal beams, each longitudinal beam is provided with a sliding table, the sliding table is fixedly supported on the longitudinal beam through the air spring, the sliding tables are connected through the transverse draw bar, the longitudinal beams are connected through the anti-side-rolling draw bar, the transverse draw bar and the anti-side-rolling draw bar are located in the middle of the suspension frame, the sliding tables of the intermediate suspension frame are provided with a linear guide rail extending along the transverse direction, the sliding tables of the intermediate suspension frame are connected with a train body through the linear guide rail, and the sliding tables and the longitudinal beams are connected through traction bars. The walking mechanism disclosed by the invention has the beneficial effects that as a method that the sliding tables are arranged in the middle of the suspension frames and a linear bearing replaces a swing bolster and a Z-shaped traction bar is adopted, the structure of the walking mechanism is simplified, and the walking mechanism is convenient to maintain.

A folding type six-freedom-degree parallel connection posture adjusting platform mainly comprises an upper platform, a lower platform and six branches which are used for connecting the two platforms and are completely the same in structure. Each two branches form one group. The six branches are distributed evenly. Each branch comprises a main branch and a straight line driving branch. One end of a lower connecting rod of each main branch is connected with the lower platform through a universal hinge, and the other end of the lower connecting rod is connected with one end of an upper connecting rod through a rotating pair. The other end of the upper connecting rod is connected with the upper platform through a spherical hinge. A universal hinge in one straight line driving branch is fixed on the lower platform parallel to the outer side of the universal hinge of each main branch. The tail portion of an electric cylinder is connected with each universal hinge. A telescopic rod of the electric cylinder is connected with one portion of one upper connecting rod through a rotating pair. The folding type six-freedom-degree parallel connection posture adjusting platform is simple in structure, capable of being folded, large in bearing capacity due to the fact that a mechanism has large rigidity, and good in dynamic performance.

In the case where a difference between rotational speeds of right and left wheels detected by wheel speed sensors is less than a predetermined value, a right and left wheel power transmission control section distributes driving force between the right and left wheels so that a total value of the driving force of the right and left wheels does not exceed a limit value set up by a front and rear wheels power transmission control section. In the case where the difference between the rotational speeds of the right and left wheels is the predetermined value or more, the right and left wheel power transmission control section transmits the driving force up to a driving force upper limit for each wheel to the respective right and left rear wheels regardless of the total value of the driving force of the right and left rear wheels.

The embodiment of the invention provides a panoramic video playing method and a client. The panoramic video playing method comprises the steps that the client obtains user angle-of-view information and recommended angle-of-view information of a panoramic video; the client determines that the angle-of-view range corresponding to the recommended angle-of-view is not within the angle-of-view range corresponding to the user angle-of-view according to the user angle-of-view information and the recommended angle-of-view information; and the client display an image corresponding to the user angle-of-view and an image corresponding to the recommended angle-of-view. According to the panoramic video playing method provided by the invention, the image of the recommended angle-of-view can be promptedand displayed under the condition of not affecting the display of the user angle-of-view of the user in the process of playing the panoramic video, thereby enabling the user to independently make a decision on angle-of-view switching, thus not only ensuring the freedom of independent angle-of-view switching of the user and continuous playing of the image corresponding to the user angle-of-view, but also enabling the user not to miss the important content and improving the user experience.

The invention discloses a vibration absorption device consisting of an installation plate (1) for upper acetabula, an installation plate (2) for lower acetabula, twelve acetabula components, a deflating component (6), an eccentric wheel, a motor (5) and an eccentric wheel frame (7); the twelve acetabula components are divided into two groups and are respectively connected with the installation plate (1) for upper acetabula and the installation plate (2) for lower acetabula through separate connecting rods; the deflating component (6) is fixed on the upper panel of the installation plate (1) for upper acetabula through the motor base (61) of a steering engine and the motor (5) is fixed on the upper panel of the installation plate (1) for upper acetabula through an installation rack (51) for motor; a base (72) of the eccentric wheel frame (7) is connected on the lower panel of the installation plate (2) for lower acetabula; a vertical slab (71) of the eccentric wheel frame (7) sequentially passes through a B square hole (207) of the installation plate (2) for lower acetabula and an A square hole (107) of the installation plate (1) for upper acetabula. The invention relates to a vibration absorption device used for a wall climbing robot, and has the adsorption principle that: by exerting vibration excitation on the acetabula, the is caused to the negative pressure is generated in the cavity of the acetabula, so as to further generate the absorption effect by applying the vibration excitation, thus achieving passive absorption of the acetabula. In the process of vibration, the positive pressure exists in the cavity of the acetabula; the bigger the vibration amplitude is, the higher the vibration frequency is and the lower the average negative pressure in the cavity of the acetabula is.

A housing for an on-vehicle electronic apparatus includes a housing body, and a front panel assembly detachably attached to the front surface of the housing body. A recording medium insertion slit is provided in an upper portion of the front surface of the housing body. When a finger is put on the portion of an upper panel portion and the upper panel portion is pushed downwards, an upper member is moved downwards, and a lower member is swung to the front side about an axis according to the vertical movement of the upper member. When the upper panel portion reaches a lower position and a lower panel portion reaches a slant position, the spacing between an opening and an upper wall of the upper panel portion is enlarged, and the recording medium insertion slit is opened, resulting in the condition where a recording medium can be inserted or removed.

A tape optical fiber cord with an optical fiber array has, at its one end, a half pitch fiber array connected to an optical waveguide. Connectors are connected respectively to connector-side optical fibers located at the other end of the tape optical fiber cord. A branching case for branching the connector-side optical fibers is provided in a position between both ends of the cord. One end of a tape fiber comprising tapes arranged in two columns of two stages is fixed to the half pitch fiber array, and the other end is fixed in a fixation section within the branching case to the case. In the portion intermediate between the two fixed portions, the connector-side optical fibers are separated one by one, and the outside of the separated optical fibers is covered with a protective tube while leaving a space between the protective tube and the separated optical fibers. By virtue of the above construction, the tape optical fiber cord with an optical fiber array can minimize the occurrence of microbends in a local potion of the optical fibers even when a portion between both ends of a tape, in which a plurality of optical fibers have been arranged, has been bent, because the optical fibers are deformed independently of one another upon the application of external force and, thus, any excessive stress is not applied to the optical fibers.

PURPOSE: To provide a battery cap unit which prevents degradation of accuracy of a protection unit by using a heat sensitive switch as one and can constitute a compact, fit for assembly, and low-cost battery by integrating and unitizing the protection unit with a battery cap body. CONSTITUTION: The unit is provided with a metal battery cap body 2 sealing a battery cell 1 used for a secondary battery and shielding the inside of the cell, and a heat sensitive switch 4 making changeover of switching at a given temperature, and it is so structured that the heat sensitive switch 4 is fitted to the battery cap body 2 and the heat sensitive switch 4 and the battery cap body 2 are integrated, to aim at unitization.

A wireless charging apparatus according to various embodiments of the present disclosure may include a wireless power transmitter that is included in a charging pad where an electronic device is placed, and may include a light source unit that provides light to a solar cell module included in the electronic device, wherein the light source unit may include a plurality of light sources that emit light outside the charging pad, and a plurality of sensors that are disposed between the light sources and close to the light sources and sense the electronic device.

To provide an exhaust device for enhancing the appearance quality, secure the degree of freedom in designing and enhance the cooling performance. An exhaust device in which a second exhaust muffler at a rear portion of an exhaust system extends rearwardly from an engine is disposed in a rear portion of a rear cowl wherein a rear end surface of the second exhaust muffler is covered with a resin-made muffler rear cover.

An antenna of a communication terminal is disposed on a side on which a bottom surface of a reflective plate, which is included in a display, is present. When the reflective plate is irradiated by an LED light source, the antenna cannot be seen from the side on which a display screen of the display is disposed. Accordingly, an antenna coil of the antenna does not need transparent electrodes and can be made of various materials each having a high conductivity. Therefore, the antenna has high sensitivity, low manufacturing cost, and very efficiently performs near field communication with an external device located on the display screen side of the display.

The invention provides a test bed for automobile doors. The test bed comprises a mechanical actuator mechanism, an electric control system and a sensing unit respectively coupled to the mechanical actuator and the electric control system. The mechanical actuator mechanism can be arranged inside an automobile and comprises an attachment mechanism, a transmission mechanism, a fixed bracket, a lifting platform and a servo motor adapted to drive the transmission mechanism. The attachment mechanism is attached to an automobile door. One end of the transmission mechanism is coupled to the attachment mechanism. The other end of the transmission mechanism is coupled to the servo motor. The sensing unit comprises an angle sensor, a force sensor and a speed detection unit fixed on the surface of the automobile door. According to the technical scheme of the invention, the test bed for automobile doors occupies a small space, and is easy in installation and strong in flexibility. During the test process, the loss of a to-be-tested automobile door and a testing mechanism is effectively reduced.

An MEMS accelerometer comprises a substrate, an acceleration sensitive chip and an integrated circuit, wherein the acceleration sensitive chip and the integrated circuit are arranged on the substrate, a temperature sensor is further arranged on the substrate and is adjacent to the acceleration sensitive chip, and the acceleration sensitive chip comprises a plurality of measurement bodies. Each measurement body comprises a mass block and a comb tooth structure, wherein the comb tooth structure comprises movable comb teeth extending from the mass block and fixed comb teeth, the movable comb teeth and the fixed comb teeth are arranged at intervals and form a difference detection capacitor, the comb tooth structure is divided into multiple groups, the multiple groups of comb teeth structures are divided into a first part and a second part, the variation direction of movable intervals of the comb tooth structure of the first part and the variation direction of movable intervals of the comb tooth structure of the second part are opposite, and one group of the comb tooth structure and one group of the comb tooth structure of the second part respectively output an electric signal. The MEMS accelerometer resolves the problems that a traditional MEMS accelerometer is large in temperature factor and large in temperature hysteresis.

The invention provides an automobile rear motor type connecting rod integrated rear axle suspension comprising an integrated rear axle shell body. A guide mechanism is arranged on the integrated rear axle shell body. The integrated rear axle shell body includes an axle shell, a cover body, and axle shaft sleeves arranged at the two ends of the axle shell and connected with wheels. The guide mechanism includes a longitudinal connecting rod mechanism arranged on the side walls of the two ends of the axle shell and a transverse connecting rod mechanism arranged on the upper end of the axle shell. The automobile rear motor type connecting rod integrated rear axle suspension further comprises shock absorbers which are longitudinally arranged at the two sides of the axle shell, and elastic elements which sleeve the shock absorbers respectively. The shock absorbers are disposed at the back of the guide mechanism. According to the invention, the longitudinal and transverse connecting rods of the guide mechanism bear the longitudinal force and transverse force in the running process of an automobile body, and the elastic elements and the shock absorbers jointly bear vertical load. Therefore, the dynamic unsprung mass is reduced, the dynamic sprung mass is increased, kinetic energy is released effectively, and the smoothness and comfort of a whole automobile are improved.

The invention discloses an intercommunication control system and method of internet-of-things controllers. According to the method, (1) each actuator of a user of the Internet of things is registered to a service platform of identification of the Internet of things, the identification of the actuators are generated, and a mapping relationship, corresponding to a controller address, of the identification of the actuators is established; (2) identification information is arranged on each actuator; (3) the user of the Internet of things reads the identification information on the actuator to be executed through a control terminal, and sends the identification information to the platform; (4) the platform analyzes the identification information, then feeds back the controller address corresponding to the actuator; (5) a control end visits the fed back controller address, obtains control interactive files of the controllers and generates a user control interface; (6) the user of the Internet of things modifies the parameter values in the parameters in the control interactive files and sends the parameter values to the controllers through the user control interface; (7) the controllers carry out control over corresponding actuators according to the control interactive files. The intercommunication control system and method of the internet-of-things controllers can achieve intercommunication among internet-of-things controllers of different factories.

A vehicle steering device (101) is provided with: a turning unit (3) which has a first motor (332) and a second motor (342) for turning that have an electric characteristic set in common with each other, and turns steered wheels (30a, 30b) according to the operation of a steering wheel (1); a first current sensor (332A) which detects a first current value flowing through the first motor (332); a second current sensor (342A) which detects a second current value flowing through the second motor (342); and an abnormality diagnosis unit (79a, 79b, 79c). The abnormality diagnosis unit (79a, 79b, 79c) diagnoses the turning unit (3) as being abnormal when the deviation between the first and second current values detected by the first and second current sensors (332A, 342A), respectively, exceeds a predetermined threshold. For example, when some kind of abnormality has occurred in the current detection unit (332A, 342A) for detecting the magnitude of a current flowing through the motor for turning (332, 342), the occurrence of the abnormality is rapidly diagnosed.

A hypocycloid reducer 70 for reducing rotation of a flat motor 60 to output the speed-reduced rotation to a drum is provided between the drum and the flat motor 60, a rotor shalt member 65 which is rotated with the same rotation number as the flat motor 60 is axially aligned with the drum is provided on the same side as the flat motor 60. An output rotation body 74 for outputting the speed-reduced rotation is axially aligned with the drum and provided on the same side as the drum. Since the rotor shaft member 65 and the output rotation body 74 are axially aligned with the drum, turning force can be transmitted bi-directionally between the rotor shaft member 65 and the output rotation body 74. Therefore, it is possible to eliminate an electromagnetic clutch to reduce the driving apparatus in size and weight, and since wires and control logic of the electromagnetic clutch are not needed for the driving apparatus, the driving apparatus can be reduced in production cost.

The external storage device unit of the present invention comprises a cover 30 for blocking an opening 3 of a main body casing 2 for storing an external storage device 10. Connectors 40a, 40b for a storage device side connected to external connection connectors 17a, 17b of the external storage device 10,and a connector 41 for a main body side connected to a main body connector 48 for a cover side arranged within the main body casing 2 are arranged in a cover main body 31. The connectors 40a, 40b for a storage device side and the connector 41 for a main body side are electrically connected to each other, and signals, etc. are transmitted and received between the external storage device 10 and a game machine main body 1 through the cover 30.

An outer needle valve (42) and an inner needle valve (43) face on back sides thereof an outer control chamber (R2) and an inner control chamber (R3), which are independent of each other, respectively. An outer fuel outflow passage (C4) and an inner fuel outflow passage (C5) for causing fuel to flow out from the outer control chamber (R2) and the inner control chamber (R3) respectively meet at a meeting portion (Y). A control valve (45) for rendering in communication / shutting off a fuel discharge passage (C6) for connecting the meeting portion (Y) to a fuel tank (T) is interposed in the fuel discharge passage (C6). An automatic valve (44) as an open / close valve for shutting off the outer fuel outflow passage (C4) when a rail pressure (Pcr) is equal to or lower than a predetermined value and rendering in communication the outer fuel outflow passage (C4) when the rail pressure (Pcr) is higher than the predetermined value is interposed in the outer fuel outflow passage (C4).