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204 results about "Face shape" patented technology
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Digital human facial expression synchronization method and device and medium
PendingCN119991887ASpeech analysisCharacter and pattern recognitionCosine similarityComputer graphics (images)
The invention discloses a digital human facial expression synchronization method and device and a medium. A target video is divided to obtain a corresponding video set, and the video set is preprocessed to obtain a standard video set; extracting audio features and video features based on an audio and lip motion synchronization discriminator to calculate cosine similarity, and realizing conversion of the audio features and the video features in the same parameter space by combining a binary cross entropy loss function; performing three-dimensional shape model modeling on the face according to the standard video set, obtaining a three-dimensional space rotation translation matrix, a camera observation direction and an expression coefficient of each frame of face image and a shape coefficient of a face three-dimensional model, and obtaining an average face shape and key point coordinates; and according to the key point coordinates and the camera observation direction, obtaining spatial geometric features of multi-resolution Hash coding, combining audio features to obtain conditional features, and based on the conditional features and high-frequency coding information, constructing and rendering volume density and color to generate an audio-driven digital human facial expression image.
Owner:山东浪潮智慧建筑科技有限公司
Generation of semantically stylized avatars
A computing system for generating semantically stylized avatars includes processing circuitry that implements a semantic stylization avatar rig. In an inference phase, the processing circuitry receives an instruction to generate a semantically stylized avatar, the instruction including an input image of a user for which the semantically stylized avatar is to be generated. A user face mesh is generated based on identity parameters of the input image, the user face mesh including curves that determine a face size and a face shape, and relative proportions and positions of facial features. A neutral expression user face mesh is generated by removing expression and pose parameters from the user face mesh. The input image, the identity parameters, and the neutral expression user face mesh are input to a semantic stylization avatar generation module to generate a semantically stylized avatar with semantically stylized features, and the semantically stylized avatar is output.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC
Deepfake detection method based on identity and face shape features
A Deepfake detection method based on identity and face shape features is provided. The Deepfake detection method combines an identity feature with a three-dimensional (3D) face shape feature, and designs a face shape consistency self-attention (FSCA) module and an identity guided shape consistency attention (IGSCA) module to mine an identity and face shape inconsistency feature. The Deepfake detection method achieves strong targeting performance based on reference face information of different faces, and additionally utilizes a reference face to assist in detecting a target face, achieving strong targeting performance. The Deepfake detection method combines identity and shape features to achieve good generalized detection performance, improving Deepfake detection performance and accuracy.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES) +2
Mirror frame adjusting device for trial frame
The utility model provides a spectacle frame adjusting device for a trial frame, which comprises two spectacle frames, one side of each spectacle frame is fixedly provided with an insert mechanism, an interpupillary distance adjusting device is arranged between the two spectacle frames, the bottom of the interpupillary distance adjusting device is fixedly connected with a fixed frame, and two nose pads are arranged in the fixed frame in a sliding manner. The movable assembly used for adjusting the distance between the two nose pads is arranged in the fixing frame, the two opposite sides of the two glasses frames are fixedly connected with the two fixing plates respectively, and one side of each fixing plate is detachably connected with the corresponding ear pad adjusting mechanism. The distance between the two glasses frames can be adjusted through the interpupillary distance adjusting device, the distance between the two nose pads can be adjusted through the movable assembly, and the lengths of the ear pads can be adjusted through the ear pad adjusting mechanisms, so that the glasses frame can be properly adjusted according to the facial forms of different users, and the wearing comfort and satisfaction degree of the users can be improved; and the optometry accuracy is ensured to a certain extent.
Owner:BEIJING DAMING OPTICAL CO LTD
Method, device, and medium for face shape prediction and oral orthodontic plan generation
Embodiments of the present application relate to the field of digital medical device design technology, and in particular, to a method, device, and medium for face shape prediction and oral orthodontic plan generation. The method for face shape prediction comprises: acquiring a composite facial model of a patient in a first state, the composite facial model comprising: a dental jaw part and a soft tissue part; identifying a pre-selected dental jaw feature point on the dental jaw part of the composite facial model, and acquiring a first position of the dental jaw feature point; acquiring, on the basis of an orthodontic plan, a second position of the dental jaw feature point of the patient in a second state in the composite facial model; calculating, according to the first positions and the second positions of the dental jaw feature points, a change relationship between the movement of the dental jaw feature point and mesh vertices in the composite facial model by adopting a deformation method; acquiring, on the basis of given target positions of the dental jaw part in the composite facial model and the change relationship, new positions of the mesh vertices of the soft tissue part in the composite facial model.
Owner:SHANGHAI SMARTEE DENTI TECH CO LTD
Hinge for glasses and glasses
The utility model relates to the technical field of glasses, in particular to a hinge for glasses, which comprises a first connecting part and a second connecting part, the first connecting part comprises a threaded column connected with a glasses frame and a limiting column arranged above the threaded column, and the second connecting part comprises two hinging parts connected with glasses legs and a connecting piece. Each hinging part comprises an annular part connected with the middle part of the corresponding connecting part and a movable arc-shaped part connected with the outer side of the corresponding connecting part, a gap is formed between each annular part and the corresponding movable arc-shaped part, the outer side of each movable arc-shaped part is in contact with the corresponding glasses leg, and a pin shaft is arranged in each annular part. According to the hinge for the glasses, the hinging parts are arranged to be the annular pieces and the movable arc-shaped pieces, so that the glasses legs are mounted between the two hinging parts, the glasses legs can be driven by the movable arc-shaped pieces to rotate outwards, the glasses legs can be automatically adjusted according to the face shape of a wearer, and the glasses can provide comfortable wearing experience without depending on the face shape size.
Owner:XINPINSHI GLASSES (SHENZHEN) CO LTD
Skin analyzer based on mechanical motion and reflector multi-angle shooting
The invention discloses a skin analyzer based on mechanical motion and reflector multi-angle shooting, and relates to the technical field of skin analyzers. Comprising a shell, a lifting assembly is arranged in a fixed frame, an angle adjusting assembly is arranged on one side of a moving rod, a reflecting mirror surface is arranged on one side of the angle adjusting assembly, a rotating assembly is arranged on the other side of the moving rod, lamplight plates are symmetrically arranged in the shell, and a moving assembly is arranged at the bottom of a moving frame. A connecting base and a moving plate are driven to move through a moving rod, so that a lifting frame and a lifting ring move upwards, a rotating frame is driven to rotate through cooperation of the lifting ring and a rolling wheel, then a rotating rod and a rotating base which are fixedly connected with the rotating frame are driven to rotate, and therefore a reflecting mirror surface rotates; the reflector is ensured to completely cover the side face areas of different face shapes, missed shooting is avoided, and the full-angle image integrity can be ensured without manual intervention.
Owner:SHANGHAI MEICET INFORMATION TECH CO LTD +2
Face slimming mask (B17-BZ)
1. The name of the design product: face mask for slimming (B17-BZ). 2. The use of the design product: face shaping. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view. 5. The design product is a thin product, and other views are omitted.
Owner:GUANGZHOU GEMMAS TECH CO LTD
Model training method and system, face image generation method and system, equipment and medium
PendingCN120107720AInternal combustion piston enginesBiological modelsPattern recognitionImage extraction
The invention provides a model training method and system, a face image generation method and system, equipment and a medium. The training method of the face image generation model comprises the following steps: acquiring a sample face image; extracting a target 3DMM coefficient of the sample face image; wherein the target 3DMM coefficient comprises a face shape coefficient and a texture coefficient in the sample face image; and inputting the face shape coefficient and the texture coefficient into a preset discretization model, outputting discrete code words corresponding to the sample face image, and training to obtain a target face image generation model. According to the method, coefficients in a sample face image are extracted, a face shape coefficient and a texture coefficient in the coefficients are taken as input, and a target face image generation model is obtained based on preset discretization model training, so that the face shape coefficient and the texture coefficient are coded into discrete code words, and the data storage and transmission efficiency of the face image is improved; the use of computing resources is reduced; and the discretized code is more abstract, and the risk of user privacy and sensitive information exposure is reduced.
Owner:HUA DATA TECH (SHANGHAI) CO LTD
Non-invasive respiration auxiliary fixing kit
The utility model discloses a non-invasive respiration auxiliary fixing suite which can stably and effectively maintain a nasal catheter on the face of a patient, is convenient to adjust the tightness during fixing according to the face shape of the patient, is adaptive to different head shapes or face shapes, and can stably maintain the position of the catheter in the non-invasive respiration treatment period. And the problem of pressure sores in the treatment period can be avoided. According to the technical scheme, the nasal catheter fixing device is characterized by comprising a belt body, a catheter, a nasal tube cover, an attaching piece and an adjusting structure, the catheter is connected with the belt body through the nasal tube cover, the attaching piece is arranged at the position of the catheter and / or the nasal tube cover, the adjusting structure comprises a fixing base, a control button, a linkage assembly and a locking piece, and the control button and the linkage assembly are both arranged on the fixing base. The fixing base is detachably connected to the belt body, the control button moves to drive part of the belt body to be contained in the fixing base, the locking piece is arranged at the control button to limit the state of the control button, the adjustment of the tightness degree of the belt body can be achieved only through one control button, and operation is convenient, fast and efficient.
Owner:THE CHILDRENS HOSPITAL ZHEJIANG UNIV SCHOOL OF MEDICINE
Capacity shielding mask capable of adapting to face shape for fine adjustment
PendingCN120918418AGarment special featuresProtective garmentStructural engineeringMechanical engineering
The invention relates to a shielding mask, in particular to a shielding mask capable of being finely adjusted according to the shape of the face. The device comprises a shielding part and a clamping part arranged on one side of the shielding part, a bearing part is arranged on the lower side of the clamping part, the shielding part shields the face of a user, the clamping part clamps the head of the user, and the bearing part bears the jaw of the user. The lower jaw of the human body is borne through the bearing piece, the bearing piece is driven to move upwards through a rubber belt and a spring, the bearing piece makes close contact with the lower jaw of the human body, the device is fixed to the face of the human body, meanwhile, the rubber belt shields the lower side of the bearing piece, and a shielding plate makes contact with the face of the user in cooperation with a sealing strip; the face of a user is separated from the external environment, the external environment is effectively isolated, and meanwhile the device can be matched with users with different face shapes according to extrusion of the bearing piece on the lower jaw.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
An improved needle structure for facial microplasty
The utility model relates to face shaping technical field, concretely relates to an improved needle structure for face microplasty, including needle cylinder and needle body, still include fixed depth subassembly, fixed depth subassembly includes fixed slide, sliding frame, sliding block, connecting support, fixed depth cover, scale paste, mounting component and locking component, fixed slide is connected with needle cylinder through mounting component, and sliding frame is connected with fixed slide slidingly, and sliding block is fixedly connected with sliding frame, and connecting support is fixedly connected with sliding frame, and fixed depth cover is fixedly connected with connecting support, and scale paste is fixedly connected with fixed slide, and mounting component sets up on fixed slide, and locking component sets up on sliding frame, through fixed depth cover adjustment to corresponding position on needle body, medical staff can be limited by fixed depth cover when carrying out puncture through needle body, and the position through fixed depth cover is convenient for medical staff to understand the puncture depth of needle body, avoids puncture too deep.
Owner:KUNMING HANCHEN MEDICAL BEAUTY HOSPITAL CO LTD
A mirror and a mirror design method
The application is suitable for the field of reflectors, and discloses a reflector and a reflector design method. The method comprises the following steps: obtaining optical parameters of a main mirror body, a distribution mode of reinforcing ribs, support point positions and sizes of taper sleeves, and calculating interval distances of the reinforcing ribs and cutting edge angles; determining positions of the reinforcing ribs on the back of the main mirror body based on the distribution mode and the interval distances of the reinforcing ribs, and forming support holes that are adapted to the taper sleeves at the support point positions according to the sizes of the taper sleeves to obtain an initial version of the main mirror; performing weight reduction processing and enhancement processing on the initial version of the main mirror based on the cutting edge angles to obtain a lightweight main mirror; designing the taper sleeves according to the sizes of the taper sleeves and determining support positions of the taper sleeves; determining an angle between an upper flexible claw of a flexible joint and a line connecting the flexible joint and a center of the main mirror, an angle between a lower flexible claw of the flexible joint and the line connecting the flexible joint and the center of the main mirror, and a width of a first flexible joint groove of the upper flexible claw through simulation analysis, and the method can improve the surface shape precision and the structural stability of the reflector.
Owner:JIHUA LAB
Magnetic adsorption temple replaceable eyewear
The present invention provides a magnetically adsorption temple replaceable glasses. Since the temples are connected to the installation pieces through the first magnetic pieces, the temples can be quickly disassembled and replaced. The user can easily replace the temples in different occasions or according to needs, thereby improving the flexibility of use. By adopting the cooperation of magnetic connection, the user can easily achieve the docking and separation of the temples and the installation pieces, thereby improving the convenience and operating experience of the user and reducing the damage to the temples. By using the bending pieces and the nose pads, the wearing comfort is increased, which is suitable for people with different face shapes and helps to improve the user's long-term wearing experience. By setting the second magnetic part, it can adsorb and fix not limited to the lens or the glasses frame with the lens, thereby increasing the functionality of the glasses and realizing multiple uses of one mirror. Therefore, the present invention solves the technical problem in the prior art that the temples of smart glasses are easily damaged and inconvenient to disassemble and assemble.
Owner:SHENZHEN HONY OPTICAL CO LTD
Process for manufacturing a skin of an integrally formed internal insert structure
The application relates to a one-time forming face skin manufacturing process of an internal embedded structure body, and relates to the plastic material forming technical field, in particular to a one-time forming face skin manufacturing process of an internal embedded structure body, which comprises the following steps: step one: preparing a face skin lower die, a face skin upper die and a hoop; according to the characteristics of a target face shape, selecting the face skin lower die, the face skin upper die and various driving devices to be embedded in the face skin; the driving devices comprise support pieces and connecting pieces arranged above the support pieces and used for being connected to various automatic force systems; the face skin upper die is provided with an opening communicating with the upper and lower parts at the position corresponding to each support piece, and is provided with a support frame at the opening; through the combination of the face skin lower die, the face skin upper die and the various driving devices, the flexible adaptation of different face shapes and the one-time wrapping forming of the various driving devices are realized, the mold configuration cost is reduced, the cumulative error of multiple positioning is eliminated, and the uniformity of the face skin wall thickness and the product quality are improved.
Owner:LINGTONG ROBOT (SHANGHAI) CO LTD
Diving full face mask
The diving full face mask specifically comprises a frame body and a breathing tube arranged at the top of the frame body, a first soft mask body used for covering the face and a second soft mask body used for covering the mouth and nose area are arranged in the frame body, and a connecting cavity is formed in the first soft mask body; the connecting cavity comprises a long cavity body and a short cavity body; one end of the long cavity is communicated with the breathing tube, and the other end of the long cavity is communicated with the second soft cover; one end of the short cavity is communicated with the breathing tube, and the other end of the short cavity is communicated with the first soft cover. The diving full face mask effectively solves the problem that in the breathing process of an existing diving full face mask, the concentration of carbon dioxide is increased, and the carbon dioxide cannot be effectively and rapidly discharged, and safety and use experience are improved. Meanwhile, the diving full face mask has good sealing performance and universality, is not prone to water seepage and can be suitable for more face types.
Owner:SHENZHEN FULONGTE SPORTS TECHNOLOGY CO LTD
Anti-shock glasses frame for outdoor sports
The utility model relates to the technical field of glasses, in particular to an anti-shock glasses frame for outdoor sports, which comprises an anti-shock glasses body, a cushioning groove arranged at a nose pad of the anti-shock glasses body, a cushioning component arranged in the cushioning groove, a moving port arranged in a frame of the anti-shock glasses body, and a screw rotatably arranged in the moving port. Knobs are rotationally arranged on the two sides of the shock-resistant glasses body, a sliding block is arranged on a screw rod, a connecting frame is fixedly arranged at the extending end of the sliding block, the connecting frame is connected with glasses legs through hinges, and locking mechanisms are arranged in the knobs. Through a linkage structure of the screw rod, the sliding block and the connecting frame, a user can rotate the knob to adjust the opening angle of the glasses legs, so that the glasses frame can be flexibly adapted to users with different head circumference or face shapes. According to the design, the plastic deformation problem caused by long-term external expansion force of the traditional fixed glasses leg is avoided, and the service life of the glasses is remarkably prolonged.
Owner:GUANGZHOU BASTO GLASSES CO LTD
Method for generating face shape adjustment image, model training method, apparatus and device
Embodiments of the present disclosure relate to a method for generating a face shape adjustment image, a model training method, an apparatus, and a device. The method for generating a face shape adjustment image includes: acquiring an original facial image; obtaining a face shape adjustment image corresponding to the original facial image by using a pre-trained face shape adjustment model, where the face shape adjustment model is obtained by training based on a first facial sample image, a second facial sample image, a minimum face parameter and a maximum face parameter, a face parameter corresponding to the first facial sample image is the minimum face parameter, and a face parameter corresponding to the second facial sample image is the maximum face parameter.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD
system
The system according to this embodiment aims to consistently suggest the most suitable hairstyle to the user. [Solution] The system according to the embodiment comprises a reception unit, an analysis unit, a generation unit, and a provision unit. The reception unit takes a photo of the user's face and inputs the desired hair length. The analysis unit analyzes the face shape, skin color, height, bone structure, etc., based on the information input by the reception unit and proposes a suitable hairstyle. The generation unit visualizes the hairstyle proposed by the analysis unit as a processed image. The provision unit provides the hairstyle recipe generated by the generation unit to the hairdresser.
Owner:SOFTBANK GROUP CORP
Virtual human hair redirection method and device, electronic equipment and storage medium
The invention relates to the technical field of virtual digital humans, and provides a virtual human hair redirection method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a template human face corresponding to a target human face; performing redirection processing on the hair root and the hair rod of the template face to obtain a target hair root and a target hair rod corresponding to the target face; and generating the hair of the target face. According to the method, the face shape difference between the target face and the template face is considered, so that the hairstyle of the template face cannot be perfectly matched with the target face, the hair roots and the hair stems of the template face are subjected to redirection processing, the target hair roots and the target hair stems corresponding to the target face are obtained, and the face shape difference between the target face and the template face is obtained. Therefore, the presentation effect of the hair on the template human face is the same as the presentation effect of the hair on the target human face and is not influenced by the face shape difference, so that the hair style of the template human face can be perfectly matched with the target human faces with different face shapes, the user requirements are met, and the user experience is improved.
Owner:MOFA (SHANGHAI) INFORMATION TECH CO LTD +1
Functional glasses with myopia prevention and astigmatism training functions
The invention discloses a pair of functional glasses with myopia prevention and astigmatism training functions, which comprises a main frame, telescopic locking adjusting assemblies are sleeved in two sides of the main frame, and the tail ends of the adjusting assemblies are hinged to glasses leg assemblies (comprising side frames and telescopic legs); a nose support and an n-shaped lens guide frame are arranged on the lower surface of the main frame, and two sets of lockable lens assemblies are connected to the lower surface of the lens guide frame in a sliding mode. A lens main body of the lens assembly is provided with a central optical area (correcting retinal center defocus), a vertical upper concave lens area (a fan-shaped annular concave lens, and the area ratio of the concave lens to a blank area is 2: 3-3: 2), a nasal side / bitamporal diffraction area (a high-filling-density convex lens) and a vertical lower edge comfortable area (a low-filling-density convex lens). The myopia prevention and astigmatism training device can adapt to different facial forms, myopia prevention and astigmatism training are flexibly achieved, abnormal extension of the ocular axis is restrained through a dynamic defocus signal, the prevention and control effect can still be maintained when the glasses slide down or the degree rises, and the use stability and comfort are improved.
Owner:CHENGDU CENTURY YONGGUANG GUANGMING GLASSES CO LTD
Adjustable face shaping device for micro-dressing
Owner:BEIJING YUZHIGUANG MEDICAL BEAUTY OUT-PATIENT DEPT
Face shape correction device, method for controlling face shape correction device, and program
To provide a face shape correction device capable of appropriately correcting the estimated shape of a face, a method for controlling the face shape correction device, and a program.SOLUTION: An image processing device 100 functioning as a face shape correction device comprises acquisition means (control unit 11) for acquiring a face image, estimation means (control unit 11) for estimating the face shape of a subject using machine learning with the face image as input data and acquiring the estimated face shape as output data, and correction means (control unit 11) for correcting the estimated face shape. The correction means acquires a first feature quantity required for correcting the estimated face shape on the basis of information on the data used in machine learning, acquires a second feature quantity required for correcting the estimated face shape on the basis of information on the estimated face shape, and corrects the estimated face shape on the basis of the first and second feature quantities.SELECTED DRAWING: Figure 2
Owner:CANON KK
Facial shape detection device and method for detecting facial shape of bottom of microcrystal by using laser interferometer
The application relates to the technical field of optical element surface shape detection, in particular to a surface shape detection device and method for detecting the surface shape of a microcrystal bottom by using a laser interferometer. The surface shape detection device comprises a support assembly, the support assembly is connected with a measured microcrystal and is used for supporting the measured microcrystal; a high-precision auxiliary mirror, the high-precision auxiliary mirror is used for reflecting detection laser from the laser interferometer to the measured surface and sending reflected light from the measured surface back to the laser interferometer according to the original light path; an angle adjusting assembly, the angle adjusting assembly is used for adjusting the mirror surface inclination angle of the high-precision auxiliary mirror; a position adjusting assembly, the position adjusting assembly is used for adjusting the position of the high-precision auxiliary mirror; and a calibration reference mechanism, the calibration reference mechanism is used for detecting whether the position or the mirror surface inclination angle of the high-precision auxiliary mirror meets the expectation. By adopting the scheme, high-precision microcrystal surface shape detection of a special position can be realized under limited conditions, the application range of the existing laser interferometer is expanded, and the detection cost is saved.
Owner:UNITED OPTICAL TECH (CHONGQING) PRECISION TECH CO LTD
facelift band
1. Name of the design product: slimming face belt. 2. Use of the design product: for correcting face shape and slimming face. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:深圳市祥跃腾达科技有限公司
Intraocular lens with lens and surface design method thereof
The invention relates to the technical field of ocular refraction, in particular to an intraocular lens with a lens and a surface design method of the intraocular lens. The intraocular lens with the lens comprises an optical part and a supporting part, the rear surface of the intraocular lens is arranged to be an aspheric surface, and the curvature of the rear surface is continuously and gradually reduced from the center of the intraocular lens to the periphery of the intraocular lens. The geometric structure can be highly adapted to an aspheric surface form which is also presented by the front surface of a natural crystalline lens of a human eye and of which the curvature is gradually reduced from the center to the periphery. Due to the high consistency of the form, after the artificial lens is implanted, a more uniform, stable and safe gap can be formed between the rear surface of the artificial lens and the front surface of a natural lens, and unnecessary physical contact or friction between the artificial lens and the natural lens is effectively avoided; therefore, the long-term wearing comfort of a patient and the stability of postoperative visual quality are greatly improved, and the problems of potential safety hazards and poor comfort in the prior art are really solved.
Owner:EYEBRIGHT MEDICAL TECH BEIJING
Video face shaping method without key point and three-dimensional reconstruction
PendingCN121884222ACharacter and pattern recognitionNeural learning methodsPattern recognitionComputer graphics (images)
The invention discloses a video face shaping method and device without key points and three-dimensional reconstruction. The method comprises the following steps: acquiring an input video sequence, a reference image selected from the input video sequence, and a target face shaping flow field graph corresponding to the reference image; encoding the input video sequence to a potential space to obtain a video potential feature sequence; constructing and utilizing a pre-trained flow field prediction diffusion model based on a U-Net network, taking the video potential feature sequence, the reference image and the target face shaping flow field graph as input, and predicting to obtain a continuous face shaping flow field graph sequence corresponding to the input video sequence; and acting the continuous face shaping flow field map sequence on the input video sequence to generate an output video after face shaping. The method can be used for carrying out natural, stable and controllable face shaping processing on the human face in the video.
Owner:深圳真视科技有限公司
Mask (V face)
1. The name of the design product: mask (V face). 2. The use of the design product: for correcting face shape and thin face snore stopper. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The design product is a thin product, and the left view, right view, top view and bottom view are omitted.
Owner:YIWU HUIHUO KNITTING CO LTD
Veneering fishbone mask
The utility model discloses a veneering fishbone mask which comprises a mask body, plastic fishbones, veneering fishbones and ear ropes. A plastic fishbone is fixed in the center in the mask body; the veneering fishbones are fixed on the left and right edges of the rear side surface of the mask body; the mask body is provided with a connecting site; the ear rope is fixedly connected to the mounting site; and the veneering fishbones are arranged corresponding to the connecting sites. Compared with the prior art, the front side lower mask cloth and the front side upper mask cloth are of a split type, and a ventilation system is formed; the nose and the mouth are supported through the shaping fishbone, the different shapes of the veneering fishbone are matched with different face shapes and effectively attached to the face, and the eye corner patches increase the protection area and are more attached to the eyes; the three ear ropes conform to human mechanics and are convenient to adjust.
Owner:ZHEJIANG WUDAO TECH CO LTD
Design method of multi-working condition constrained additive manufacturing lattice light weight structure mirror
ActiveCN116774429BIncreasing energy efficiencyOptical elementsFace shapeAdditive layer manufacturing
The application discloses a design method of a multi-working-condition-constrained additive manufacturing point array light-weight structure mirror, and simultaneously faces multiple scenes of machining stress, detection gravity action and assembly stress, so that the surface shape errors under different stresses are balanced and meet design indexes; the point array period, the point array rod diameter and the mirror surface thickness are determined according to the machining stress deformation; the back plate thickness and the side plate thickness are determined according to the detection gravity deformation; and the point array flexible structure is determined according to the assembly stress deformation. The design method of the multi-working-condition-constrained additive manufacturing point array light-weight structure mirror adopts the above steps, fills the structure and the flexible structure based on the point array structure design, compared with the existing mirror light-weight structure design method, the light-weight mirror obtained by the design balances the structure stiffness under different stresses, balances the surface shape errors of the mirror under different stresses, and the design parameters have a clear corresponding relationship with the stress scenes, and have the characteristics of easy parameter adjustment.
Owner:TONGJI UNIV