Hon Hai Precision Industry Co., Ltd.

Tsinghua University

International Business Machines Corporation

Codexis, Inc.

Intel Corporation

Beijing Kuaimajiabian Technology Co., Ltd.

Microsoft Technology Licensing, LLC

Baidu USA LLC

Other

Sap Se

Harvard College

Beijing Xiaomi Mobile Software Co., Ltd.

Synopsys, Inc.

Winbond Electronics Corporation

Petrochina Company Limited

Jun Zhu

Guo-Fan Jin

Shou-Shan Fan

Qun-Qing Li

Hao-Su Zhang

Tong Yang

Michael D Clay

Steven James Collier

Derek J Smith

Shiwei Song

Behnaz Behrouzian

Ying Liu

Oscar Alvizo

Zhen-Dong Zhu

He Fang Zhang

Robert John Wilson

Junye Xu

Kai-Li Jiang

Chen Feng

Xin Zhou

Shao Chun Li

Zhong Xian Li

Jian Wang

Hua Fang Tan

Peng Ji

Yan Zhao

Sheng Huang

He H Liu

Steven M Kagan

Hui Sun

Ning Duan

Bill Nale

Ji-Rong Wen

Kai Sun

Weiwei Zhang

Howard M Hess

Xiyun Zhang

Zhi Hu Wang

Yi Qi

Benjamin Mijts

Kathryn Allyn Bassin

Ying Huang

Shikhar Kwatra

Wei Zhao

Jovana Nazor

Yu Huang

He Huang

Xinyi Li

Wei Ding

Xiaoli Wang

Susan Eileen Skrabanek

Yong Koy Bong

Li Wang

Yu Wang

Wei-Ying Ma

Hao Chen

Feng Li

Jing Li

Murugasamy K Nachimuthu

Chao Zhang

Birgit Monika Pfitzmann

Lei Huang

Wei Peng Huang

Qi Zhang

Tong Li

Ya Bin Dang

Min Gong

Junchi Yan

Lisa Marie Newman

Tao Liu

Yan Li

Wei Sun

George M Church

Ming Wang

Xin Zhang

Gjalt W Huisman

Yu Long Cao

Jian Xu

Emily Mundorff

Krishna Chaitanya Ratakonda

Fei Wang

Kai Liu

Raj K Ramanujan

Jian Jun Wang

Peng Chen

Dong Hui Liu

Jack S Liang

Timothy James Hahn

Xinlin Wang

Lorraine Joan Giver

Guo Qiang Hu

John M Gruber

Guang Yang

Qing Bo Wang

Liang-Jie Zhang

Hui Su

Xin Xin Bai

Gregory J Porreca

Xiaobo Liu

Stephane J Jenne

Provided are an optical anti-counterfeiting element and an anti-counterfeiting product. The optical anti-counterfeiting element comprises: a substrate, which comprises a first surface and second surface that are opposite one another, and a surface micro-structure layer that is formed on at least part of the first surface of the substrate. At least part of the surface micro-structure layer comprises a first set of at least a micro-prism, and the micro-prism is simultaneously provided with a refractive and a reflective function. Each pixel of a first pattern corresponds to one or more micro-prism refractive illumination spots in the first set of micro-prisms. The described optical anti-counterfeiting element can provide various anti-counterfeiting effects and improve the anti-counterfeiting performance of the anti-counterfeiting element.

Optical anti-counterfeiting element and anti-counterfeiting product

An optical anti-counterfeiting element and manufacturing methods of the optical anti-counterfeiting element are provided. The optical anti-counterfeiting element includes an undulating structure layer provided with a first area, a second area and a third area; the first area has a first microstructure; the second area has a second microstructure; the third area is an unstructured flat area; a specific volume of the second microstructure is greater than a specific volume of the first microstructure; the first area and the third area are respectively provided with a reflecting layer, a dielectric layer and an absorbing layer which are overlapped, and the second area is not provided with a reflecting layer; and a surface appearance of one side, far away from the undulating structure layer, of the dielectric layer of the first area is obviously different from a surface appearance of the undulating structure layer.

Optical anti-counterfeiting element and manufacturing method therefor

The disclose provides an optical anti-counterfeiting element and a manufacturing method of the optical anti-counterfeiting element, the optical anti-counterfeiting element includes: a substrate, the substrate has a first surface and a second surface which are opposite to each other; and an interference color layer located on the first surface of the substrate, the interference color layer is located in a non-hollow area of the optical anti-counterfeiting element and is not located in a hollow area, the interference color layer is a Fabry-Perot filter structure, an absorbing layer of the Fabry-Perot filter structure is in contact with the substrate, and a material of the absorbing layer is an alloy.

Optical anti-counterfeiting element and manufacturing method thereof

An optical anti-counterfeit element includes an undulating structure layer (); the undulating structure layer includes a first area (A) with a first microstructure and a second area (B) with a second microstructure; a structural parameter of the second microstructure is greater than a structural parameter of the first microstructure; the undulating structure layer also includes a third area (C) with a third microstructure; a structural parameter of the third microstructure is greater than the structural parameter of the second microstructure; a first plating layer () is arranged on the first area; a second plating layer () is arranged on the second area; the third area is not provided with a first plating layer or a second plating layer; and viewed from one side of the optical anti-counterfeit element, the first area has an optical feature of a combination of the first microstructure and the first plating layer, the second area has an optical feature of a combination of the second microstructure and the second plating layer.

Multi-plating-layer optical anti-counterfeiting element and manufacturing method thereof

The present application relates to a method for designing a nonsymmetric freeform surface optical system, and the method including the following steps establishing an initial plane system. The initial plane system is consistent with the expected system structure, but there is no focal power in the initial plane system. The image plane tilt angle of the initial plane system is defined as θ. The point-by-point method is used to calculate the coordinates and normal vectors of the data points used to construct the freeform surface. The iterative optical system is obtained by iteration; and the iterative optical system is optimized.

Method for designing nonsymmetric freeform surface optical system

A calibration and verification system for a directional sensor, including an industrial control computer and a directional sensor, wherein the industrial control computer is connected to a sensor signal acquisition system, a first triaxial Helmholtz coil and a second triaxial Helmholtz coil, respectively, wherein a heating calibration turntable is disposed in the first triaxial Helmholtz coil and configured to heat and calibrate the directional sensor, and wherein a high-precision inclination and azimuth test turntable is disposed in the second triaxial Helmholtz coil and configured to verify the directional sensor.

Calibration and verification system and method for directional sensor

Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product utilizing the same, the optical anti-counterfeiting element comprising: a substrate () including a first surface and a second surface opposite to each other; micro-sampling tools () on the first surface; and one or more micro graphic and text units formed on the second surface, wherein the micro graphic and text unit includes micro graphic and text strokes, the micro graphic and text strokes are arranged in a non-periodic and non-fixed-geometry manner, and when the second surface is observed through the micro-sampling tools, a stereoscopic animated anti-counterfeiting feature can be seen.

Optical anti-counterfeiting element and optical anti-counterfeiting product using the same

A method for interface control across several electronic devices having different operating system includes: starting a first application in response to a first operation; obtaining, by the first device, a first presenting interface associated with the first application in a second device based on the first application; in response to an adjust instruction on the first presenting interface, generating a second presenting interface by adjusting content and/or a layout format of the first presenting interface in the first application; and sending the second presenting interface to the second device, to instruct the second device to generate and display a third presenting interface based on the second presenting interface. A first electronic device such as a mobile device or laptop may have a strong processing capability, and an auxiliary electronic device, such as a watch or other wearable device, may have a different operating system depending on its application.

Method for interface control, electronic device and storage medium

The present application relates to an off-axis two-mirror infrared imaging system including a primary reflecting mirror and a secondary reflecting mirror. The primary reflecting mirror is located on the incident light path of an incident infrared light beam and reflects the incident infrared light beam to form a first reflected light beam. The secondary reflecting mirror is located on the reflection light path of the primary reflecting mirror, and is used to reflect the first reflected light beam to form a second reflected light beam. The second reflected light beam reaches an image surface after passing through the incident infrared light beam. The reflective surfaces of the primary reflecting mirror and the secondary reflecting mirror are freeform surfaces. The secondary reflecting mirror and the image plane are respectively located on both sides of the incident infrared light beam.

Off-axis two-mirror infrared imaging system

In an approach to creating and using a reinforcement learning model for personalizing a recommendation of a parking spot, one or more computer processors receive a first destination associated with the vehicle. One or more computer processors determine a parking spot availability in proximity to the destination. One or more computer processors determine a recommended parking spot location. One or more computer processors display the recommended parking spot location to the user. One or more computer processors determine a first parking spot selection. One or more computer processors receive a first satisfaction rating associated with the recommended parking spot location.

Parking spot locator based on personalized predictive analytics

A method for designing an imaging optical system is a point-by-point calculation method based on characteristic light rays (FLR) and characteristic data points (FDP). The basic function of the point-by-point calculation method includes the following steps: according to the given object-image relationship, based on Fermat's principle and the law of retraction and reflection, calculating the propagation path of the FLR passing through a system and the FDP on each optical surface, to obtain a surface shape equation of each optical surface by fitting; and repeating the above process, to solve the surface shape equation of each optical surface one by one, and finally complete the design and solution of the entire imaging optical system.

Method for designing imaging optical system

A freeform surface off-axial three-mirror imaging system is provided. The freeform surface off-axial three-mirror imaging system comprises a primary mirror, a secondary mirror, and a compensating mirror. The primary mirror, the secondary mirror, and the compensating mirror are located adjacent and spaced away from each other. A surface shape of each of the primary mirror and the secondary mirror is a quadric surface. The primary mirror is used as an aperture stop. A surface shape of the compensating mirror is a freeform surface. A light emitted from a light source is reflected by the primary mirror, the secondary mirror, and the compensating mirror to form an image on an image plane.

Freeform surface off-axial three-mirror imaging system

A freeform surface optical telescope imaging system is provided. The freeform surface optical telescope imaging system comprises a primary mirror, a secondary mirror, a compensating mirror, and a spherical mirror. The primary mirror, the secondary mirror, the compensating mirror, and the spherical mirror are spaced from each other. A surface shape of each of the primary mirror and the secondary mirror is a quadric surface. The primary mirror is used as an aperture stop. A surface shape of the compensating mirror is a freeform surface. A surface shape of the spherical mirror is a spherical surface. A light emitted from a light source would be reflected by the primary mirror, the secondary mirror, the compensating mirror, and the spherical mirror to form an image on an image plane.

Freeform surface optical telescope imaging system

A portable blowing device configured for being worn around a neck of a human body, includes two arms each defining an airflow channel therein; and fans received in the arms respectively. The arm includes an inner side wall close to the neck and an outer side wall connected to the inner side wall. The arm includes an air inlet and an air outlet in communication with the airflow channel respectively. The air inlet is arranged at the inner side wall and/or the outer side wall. The fan is configured to generate an airflow passing through the air inlet, the airflow channel and the air outlet in sequence.

Portable blowing device

A method for designing a freeform concave grating imaging spectrometer includes selecting a series of light rays incident from different positions of a slit as characteristic light rays. The coordinates and normal directions of characteristic data points at intersections of the characteristic light rays and a surface of a freeform concave grating are calculated. A freeform surface shape of the freeform concave grating is obtained by fitting, so that an initial structure is obtained. Then the initial structure is optimized.

Method for designing freeform concave grating imaging spectrometer

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Beijing, China

Jun Zhu