OMPI – Búsqueda en las colecciones de patentes nacionales e internacionales

1.WO/2023/196753DISPLAY DEVICES WITH IN-FIELD CALIBRATION

WO - 12.10.2023

Clasificación Internacional G02B 27/01 Nº de solicitud PCT/US2023/065112 Solicitante APPLE INC. Inventor/a CINCIONE, Dominic P

A head-mounted device may include a first display having a first projector and a first waveguide, a second display having a second projector and a second waveguide, first and second cameras, an optical sensor that couples the first waveguide to the second waveguide, and position sensors mounted to the first and second cameras and the optical sensor. The optical sensor may gather image sensor data from first image light propagating in the first waveguide and second image light propagating in the second waveguide. The cameras may capture real-world images. The position sensors may gather position measurements. Control circuitry may calibrate optical misalignment in the device by adjusting the first and/or second image light based on the image sensor data, the position measurements, and/or the world light.

2.WO/2023/083263VIDEO ENCODING AND DECODING METHOD AND APPARATUS

WO - 19.05.2023

Clasificación Internacional H04N 19/63 Nº de solicitud PCT/CN2022/131167 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a CAO, Xiaoqiang

The present application relates to the technical field of video encoding and decoding, and discloses a video encoding and decoding method and apparatus, which are used for providing a new transformation method for current encoding and decoding technologies. The transformation method can improve the transformation flexibility. The use of the transformation method based on different dimensions can reduce the calculation complexity, reduce the calculation burden of a hardware device, reduce the hardware implementation complexity, and improve the compression performance. The decoding method comprises: performing entropy decoding and inverse quantization on a code stream to obtain an inverse transform unit; and performing discrete wavelet inverse transform on the inverse transform unit to obtain an inverse transform coefficient.

3.WO/2023/160305TRAVELLING DIRECTION ADJUSTING METHOD, MOBILE ROBOT SYSTEM AND ELECTRONIC DEVICE

WO - 31.08.2023

Clasificación Internacional A47L 11/24 Nº de solicitud PCT/CN2023/072374 Solicitante HANGZHOU EZVIZ SOFTWARE CO., LTD. Inventor/a CHEN, Hao

A travelling direction adjusting method, a mobile robot system, an electronic device and a storage medium, applied to the technical field of mobile robots. The method comprises: obtaining an indoor top image acquired upwardly for a room where a mobile robot is located (S101); determining a plurality of line segments included in the indoor top image (S102); identifying at least one target line segment from the line segments, each target line segment being a line segment in a line segment direction parallel to the ground (S103); on the basis of the line segment lengths of the target line segments, screening, from the line segment directions of the target line segments, a line segment direction to be used that is parallel to or perpendicular to the wall surface of the room (S104); and adjusting the travelling direction of the mobile robot on the basis of the line segment direction to be used (S105). The travelling direction of the mobile robot can be adjusted to be parallel to or perpendicular to the wall surface.

4.WO/2024/217419WAVEGUIDE ARRAY ANTENNA

WO - 24.10.2024

Clasificación Internacional H01Q 1/38 Nº de solicitud PCT/CN2024/088105 Solicitante WHST CO., LTD. Inventor/a ZHANG, Lingfei

The present application provides a waveguide array antenna, comprising a metal plate, a waveguide antenna unit, a waveguide bending structure, a waveguide power divider, and a waveguide transmission line. An accommodating cavity is formed in the metal plate; one end of the waveguide bending structure is connected to the waveguide transmission line, and the other end of the waveguide bending structure extends in the horizontal direction, and is provided with an upward bending part; the waveguide power divider is connected to the upper end of the bending part; the waveguide antenna unit is connected to the upper end of the waveguide power divider.

5.WO/2023/185375DEPTH MAP GENERATION SYSTEM AND METHOD, AND AUTONOMOUS MOBILE DEVICE

WO - 05.10.2023

Clasificación Internacional G06T 7/514 Nº de solicitud PCT/CN2023/079554 Solicitante HANGZHOU EZVIZ SOFTWARE CO., LTD. Inventor/a DU, Bin

A depth map generation system and method, and an autonomous mobile device. The method comprises: a plurality of projectors (103) projecting light; a sensor (102) acquiring an image to be processed; a processor (101) comparing the image to be processed with a preset speckle image, so as to obtain disparities corresponding to pixels at speckle locations in the image to be processed; for any baseline, on the basis of the baseline and the disparities corresponding to the pixels at the speckle locations, calculating depth values, which correspond to the baseline, of the pixels at the speckle locations; for any baseline, on the basis of the depth values, which correspond to the baseline, of the pixels at the speckle locations, generating a depth map corresponding to the baseline; and fusing depth maps corresponding to baselines, so as to obtain a target depth map. Therefore, a plurality of baselines for different distances between a plurality of projectors (103) and a sensor (102) can be used to respectively calculate corresponding depth maps, and the calculated depth maps are fused, thereby improving the accuracy of depth calculation.

6.WO/2023/241451PHOTOGRAPHIC DEVICE

WO - 21.12.2023

Clasificación Internacional H04N 23/50 Nº de solicitud PCT/CN2023/099145 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a WANG, Jian

A photographic device, which comprises a gimbal assembly, a camera assembly and an antenna assembly, wherein the camera assembly is arranged on the gimbal assembly, and comprises a housing and a camera core arranged in the housing; the antenna assembly comprises an antenna support, an antenna group and electrical connectors; the antenna support is arranged on the housing; the antenna group comprises a plurality of antennas fixed to the antenna support; and the antennas are all electrically connected to the electrical connectors, which are also electrically connected to the camera core.

7.WO/2024/222106ARRAY PANEL OF MICROPHONE ARRAY AND SOUND WAVE IMAGING DEVICE

WO - 31.10.2024

Clasificación Internacional H04R 5/04 Nº de solicitud PCT/CN2024/074561 Solicitante HANGZHOU MICROIMAGE SOFTWARE CO., LTD. Inventor/a LI, Yuan

The present application provides an array panel of a microphone array and an sound wave imaging device. The array panel of the microphone array comprises a panel main body in the shape of a flat plate; the panel main body is provided with a plurality of pickup holes, the plurality of pickup holes are through holes penetrating through the panel main body, and the plurality of pickup holes have one-to-one correspondence to the deployment positions of microphones in the microphone array; the outer surface of the panel main body facing away from the microphone array is provided with a plurality of sound wave diffusion structures that are staggered with the plurality of pickup holes, and each sound wave diffusion structure comprises a blind hole or a convex hull.

8.WO/2024/245183DETECTION APPARATUS AND CARGO HANDLING DEVICE

WO - 05.12.2024

Clasificación Internacional B66F 9/075 Nº de solicitud PCT/CN2024/095469 Solicitante HANGZHOU HIKROBOT CO., LTD. Inventor/a NA, Yaozong

A detection apparatus and a cargo handling device. The detection apparatus (100) comprises a mounting plate (300), a first elastic plate (400), and a first detection member (510); the mounting plate (300) is provided on a cargo handling device; the mounting plate (300) and the first elastic plate (400) define a mounting space (310); the first detection member (510) is located in the mounting space (310) and is arranged on the mounting plate (300); the first elastic plate (400) is provided with a first opening (410); the first detection member (510) is arranged opposite to the first opening (410); and the first detection member (510) can detect an obstacle (600) by means of the first opening (410).

9.WO/2023/088201METHOD, APPARATUS AND DEVICE FOR DETECTING ABNORMAL VEHICLE

WO - 25.05.2023

Clasificación Internacional G06V 20/62 Nº de solicitud PCT/CN2022/131621 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a CHEN, Qin

Provided in the present application are a method, apparatus and device for detecting an abnormal vehicle. The method comprises: if a target vehicle travels from a first position point to a second position point, acquiring a first time point of when the target vehicle is at the first position point, a second time point of when the target vehicle is at the second position point, and the number of target position points, which are passed by the target vehicle when same travels from the first position point to the second position point; if the difference between the second time point and the first time point is less than the minimum duration for traveling from the first position point to the second position point, determining the target vehicle to be an abnormal vehicle; and if the difference between the second time point and the first time point is not less than the minimum traveling duration, and the minimum number of position points between the first position point and the second position point is greater than the sum of the number of target position points and a preset number threshold value, determining the target vehicle to be an abnormal vehicle.

10.WO/2023/083256POSE DISPLAY METHOD AND APPARATUS, AND SYSTEM, SERVER AND STORAGE MEDIUM

WO - 19.05.2023

Clasificación Internacional G01C 21/00 Nº de solicitud PCT/CN2022/131134 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a LI, Jianing

Provided are a pose display method and apparatus, and a system. The method comprises: during the process of a terminal device moving in a target scene, acquiring a target image of the target scene and motion data of the terminal device, and determining a self-positioning trajectory on the basis of the target image and the motion data (101); if the target image comprises a plurality of frames of images, the terminal device selecting, from the plurality of frames of image, some images as images to be subjected to detection, and sending said images and the self-positioning trajectory to a server (102); the server generating, on the basis of said images and the self-positioning trajectory, a fused positioning trajectory of the terminal device in a three-dimensional visual map, wherein the fused positioning trajectory comprises a plurality of fused positioning poses (103); and for each fused positioning pose, the server determining a target positioning pose corresponding to the fused positioning pose, and displaying the target positioning pose (104). In this way, a positioning function with a high frame rate and high precision is realized, and a terminal device only sends a self-positioning trajectory and images to be subjected to detection, thereby reducing the amount of data transmitted by a network, and reducing the computing resource consumption and storage resource consumption of the terminal device.

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