81 results about "Shape transformation" patented technology

To provide a wire grid polarizer used in an image display apparatus, in which even when the image display apparatus is of a small compact structure and provides high output of power from the light source, shape transformation of the glass substrate occurring due to generation of heat caused by light absorption in the wire grid is prevented and in which by efficient usage of light rays from the light source, high-quality images can be displayed by the image display device and power consumption is low. A wire grid 2 formed of metal in a fine comb shape is formed on a glass substrate 1 and antireflection coatings 3a and 3b are disposed respectively on the front surface part and the rear surface part of the wire grid 2 of the glass substrate 1.

Disclosed herein is a 3D model shape transformation apparatus. The 3D model shape transformation apparatus includes a camera unit, a shape restoration unit, a skeleton structure generation unit, and a skeleton transformation unit. The camera unit obtains a plurality of 2D images in a single frame by capturing the shape of an object. The shape restoration unit generates a 3D volume model by restoring the shape of the object based on the plurality of 2D images. The skeleton structure generation unit generates the skeleton structure of the 3D volume model. The skeleton transformation unit transforms the size and posture of the 3D volume model into those of a template model by matching the skeleton structure of the template model with the skeleton structure of the 3D volume model.

The present invention relates to a functional/multi-purpose head cushion for a headband; the headband is formed from a head cushion comprising: a main body which is depressively formed from up, down, left and right towards the central part; a fixing clip which is provided on the upper part of the main body and is inserted into the band main body or the support band; and banding members for integrally connecting both end portions of the fixing clip and the upper edge portions of the main body, wherein the head cushion is formed from a resilient material so as to have easy shape transformation and resilience and is insert-provided inside the headband and thereby assist in supporting a wearer's head.

The invention discloses a hybrid material with a UV (Ultraviolet)-light induced gradient structure, a preparation method and application of the hybrid material in aspect of responsive shape transformation. The hybrid material is a membrane material formed by compounding a photosensitive group grafted elastomer material and a carbon nanomaterial, wherein a photosensitive group is a group capable ofgenerating photo-dimerization reaction, and a matrix of the elastomer material is an elastomer containing isolated double bonds. According to the hybrid material disclosed by the invention, the lightintensity of different depths of the inner part of a material can be regulated during photo-crosslinking by utilizing the characteristic of light absorption of the carbon nanomaterial, and a dimerization rate of photo-dimerization groups in different depths and the crosslinking density of the material can be realized, so that the membrane material has a gradient structure in a vertical direction,and transformation of various shapes of the membrane material can be realized under a condition of external stimulation (such as temperature, a solvent and infrared light) due to formation of the gradient structure; meanwhile, a photo-induced gradient structure is reversible and can be wiped through heating or UV radiation 300nm or less, and an original linear structure can be recovered.

An object shape transformation device 10, for a start, accepts from a user a setting of shape information of an object at the time before and after the transformation and a parameter that controls growth potential affecting shape transformation of an object in a user interface unit 100. Then the device 10 calculates the growth potential required for shape transformation in a growth potential calculation unit 110 and decides a transformation path using the calculated growth potential in a growth path calculation unit 120. Next, the device 10 decides the shape of the object using the calculated transformation path and a temporal parameter in an object shape decision unit 130 and an object display unit 140 displays the object.

The invention discloses a lower triangular Cholesky decomposition-based ambiguity correlation-lowering method and belongs to the satellite navigation and positioning technical field. According to themethod, LDL<T> decomposition is performed on an ambiguity variance-covariance matrix, so that a unit lower triangular matrix L and diagonal matrix D can be obtained; Gaussian elimination and conditional variances are adopted to exchange two integer transformation processes, so that the correlation of the off-diagonal elements of the lower triangular matrix L can be lowered, and therefore, elementsin the diagonal matrix D are sorted in an ascending order as much as possible; and finally, ambiguity search can be carried out to realize ellipsoid shape transformation, and the number of redundantinteger candidate nodes contained in a search space can be decreased, search time can be reduced, and ambiguity resolution efficiency can be improved.

The invention relates to a method for preparing a Y-shaped carbon nano tube by taking dimethyl sulfide as the carbon source, which is characterized in that in the method, dimethyl sulfide is taken as the carbon source; cobalt nitrate and magnesium nitrate are taken as catalysts; deionized water is taken as a washing agent and a cleaner; dilute hydrochloric acid is taken as a centrifugal cleaner; anhydrous alcohol is taken as a cleaner; hydrogen is taken as carbon source carrier gas and cobalt oxide reducing gas; argon gas is taken as protective gas and a quartz boat is taken as a product growing body. The method comprises the following steps: the catalysts first undergo thermal decomposition reaction and hydrogen reduction and then are placed on the quartz boat; hydrogen is taken as the carbon source carrier gas; the dimethyl sulfide is input into a quartz tube and undergoes shape transformation, vapor deposition and product growth at the temperature of 1000 DEG C under the protection of argon gas and in the presence of catalysts from liquid state, gas state to solid state to generate the black hollow Y-shaped carbon nano tube. The method features short process flow and the product has regular morphology, high purity and stable chemical and physical property, diameter of 50-60nm, hollow diameter of 30-40nm, maximum length of 30000nm, carbon content of 98.9%, productivity as high as 83%.

A standard illuminant apparatus suitable for providing a standard optical property of LED for measurement is provided. The standard illuminant apparatus comprises an illuminant module and light shape control module, wherein the illuminant module is capable of providing light, and the light shape control module is capable of receiving the light and transforming the light shape of the light to a predetermined light shape as a LED light shape.

The invention discloses an adaptive angle self-climbing construction platform, belongs to the technical field of building construction, and aims to meet requirements of the current situation of a construction platform of a current special-shaped structure construction formwork with large section variability and overcome the shortcomings of the structural current situation of the construction platform. The adaptive angle self-climbing construction platform is improved based on a traditional construction platform, and the structure of the construction platform is designed into a multi-row triangular framework structure. The adaptive angle self-climbing construction platform has angle adaptive and self-climbing functions by the aid of sequential deformation of an edge sharing spliced triangular structure and design of related components. The construction platform can adapt to shape transformation of the special-shaped structure construction formwork with the large section variability in a self-adjusting structural mode by the aid of the angle adaptive function, and can automatically climb on a rail laid along the formwork after the structure of the construction platform is adjusted by the aid of the self-climbing function. By the design of the adaptive angle self-climbing construction platform, the construction platform is adaptable to construction transformation of a special-shaped structure with the large section variability and simple in structure, and has the advantages of safety, flexibility, operability and the like.

The invention relates to a transformable gyro toy. The gyro toy comprises a shaft cylinder, a gyro base, a rotary mechanism, a body part and a pair of arms. The gyro base and the shaft cylinder are coaxial; the rotary mechanism is arranged on the shaft cylinder in a sleeving mode and located above the gyro toy. The body part is connected with the rotary mechanism in a sliding mode, and the arms are symmetrically arranged on the two sides of the body part respectively; the shape transformation of the gyro toy is achieved through the rotary mechanism. The gyro toy is ingenious in design, the deformational transformation between the gyro shape to the motorbike shape can be achieved, therefore, the functionality of the toy is enriched, and the interestingness of the toy is improved.

The invention discloses a portable multi-body folding bed. The folding bed comprises a folding bed lifting assembly, a fixed body support, a body bearing frame, a mattress, a folding body support assembly, a liftable bed board assembly, an overall shape transformation assembly, a bed board combination assembly and a folding bed handle. The shape and volume of the folding bed can be changed flexibly by the folding body support assembly and the overall shape transformation assembly, the folding bed is folded when not in use, so that space is saved, transportation is facilitated, and the foldingbed is unfolded when in use and can be used by many people; two or three bodies can be combined into one bed by the liftable bed board assembly, the overall shape transformation assembly and the bed board combination assembly, and the bed can be used by obese people or shared by several people. The overall height of the folding bed can be flexibly adjusted by the folding bed lifting assembly, andthe bodies can be lifted off the ground, and loading and unloading are convenient; besides, the number of the bodies of the portable multi-body folding bed is flexible and changeable, and rapid customization can be achieved according to specific requirements.

The invention discloses a coupling device for a semiconductor stripe laser diode (LD) and a single mode fiber (SMF). The coupling device comprises the semiconductor stripe LD, a focusing telescope system, an elliptical graded index fiber (EGIF) and the SMF, wherein, the EGIF has a long axis direction and a short axis direction, the long axis direction is consistent with that of the parallel active layer of the semiconductor LD, and the short axis direction is consistent with that of the vertical active layer of the semiconductor LD. The coupling device has the advantages that the problems such as complex structure, difficulty in manufacture and the like of a lens caused by realizing efficient coupling between the LD and the SMF only by utilizing a lens system are effectively solved; and by adopting the EGIF, a light field which is coupled into the SMF after shaping transformation can also obtain efficient coupling in the event that the light field is in an incomplete circular shape.