Zhongchao Special Security Technology Co., Ltd

Microsoft Technology Licensing, LLC

China Banknote Printing and Minting Corporation

Lenovo (beijing) Limited

Beijing Bytedance Network Technology Co., Ltd.

Hangzhou H3c Technologies Co., Ltd

Chinese Academy of Sciences

Beijing Lenovo Software Ltd.

Hewlett Packard Enterprise Development LP

Weiwei Zhang

Xiaoou Tang

Kai Sun

Jun Zhu

Jian Qiao Sun

Heung-Yeung Shum

Chunhua Hu

Baoli Zhang

Qiang Wang

Jie Xia

Huapeng Yang

Li Wang

Ying Li

Shuo Wang

Li Erran Li

Xiao Bi Liang

Xinyi Li

Xu Zhao

Xiaoli Wang

Rong Xiao

Yin Li

Ge Gao

Yifan Zhu

Xin Zou

Xin Qu

Eric Picard

Jiamin Zhang

Shanzhi Tang

Zhongrui Ren

Weifan Sheng

Michael Hurt

Gongwei Xiao

Yiyue Tao

Jiafeng Zheng

Dongyu Chen

The disclosure provides an optical anti-counterfeiting element () and an optical anti-counterfeiting product (), which belong to the technical field of optical anti-counterfeiting. The optical anti-counterfeiting element includes: a substrate () having a first surface () and a second surface () opposite each other, at least a partial region of the substrate is transparent; and a first transflective coating (), a dielectric layer () and a second transflective coating () which are sequentially deposited on the first surface, wherein a ratio of a refractive index to an extinction coefficient of the first transflective coating is different from a ratio of a refractive index to an extinction coefficient of the second transflective coating. When observed from the first surface, the optical anti-counterfeiting element appears in a relatively bright first color; when observed from the second surface, the optical anti-counterfeiting element appears in a relatively bright second color.

Optical anti-counterfeiting element and optical anti-counterfeiting product

The disclosure provides an optical anti-counterfeiting element and an optical anti-counterfeiting product, the optical anti-counterfeiting element includes: a substrate () having a first surface and a second surface opposite to each other; a microstructure formation layer () formed on the first surface, the microstructure formation layer () includes at least a first region (), the first region () includes at least a first microstructure (), the first microstructure () includes a convex portion and/or a concave portion; and optically variable coatings () homomorphically covering on the first microstructure (), the optically variable coatings () include reflective layers (), dielectric layers () and absorption layers () which are stacked in sequence, wherein the reflective layers () or the absorption layers () are in contact with the first microstructure (), and the dielectric layers () are obtained by coating or printing.

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

This disclosure relates to a method and apparatus for synchronizing audio and text, a readable medium, and an electronic device, and relates to the technical field of electronic information, the method including: in response to a first page displayed on a presentation interface being updated to a second page, determining whether the second page includes multimedia content, wherein audio corresponding to text in the first page is played while the first page is displayed; if the second page includes the multimedia content and the multimedia content is in a mute playing state, controlling the audio to be played continuously; determining a first playing identification of the audio when the playing of the multimedia content is stopped, and determining corresponding target text in accordance with the first playing identification; and updating the second page to a third page on the presentation interface, the third page including the target text.

Method and apparatus for synchronizing audio and text, readable medium, and electronic device

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 disclosure relates to document processing method and apparatus, readable medium and electronic device. The present disclosure enables: receiving changed target document content, and comment information corresponding to the target document content after position migration, the comment information including comment content and position information of the commented text after position migration; wherein, parent node of each text node in the target document content has its own identity identification, and each text node in the target document content has a node sequence number, the node sequence number characterizing the order of the text node among its sibling text nodes; and displaying the changed target document content and the comment information corresponding to the target document content after position migration.

Document processing method and apparatus, readable medium and electronic device

The invention discloses an X-ray zoom lens system (Transfocator) and a focus variation method. The system includes a main frame, many switched arms arranged on one side of the main frame, and a driving component set at the top of the main frame, and a positioning groove set at the bottom of the main frame; For them, each switched arm is composed of successively connected a push rod, a push-push ratchet mechanism, a preload spring and a guide stick, two-dimensional flexible axis, and a CRLs holder from top to bottom; CRLs are stacked and arranged in the mentioned above CRLs holder.

X-ray transfocator and focus variation method

The present invention discloses an optical anti-counterfeiting component and an optical anti-counterfeiting product. The optical anti-counterfeiting component comprises: a substrate; a sub-wavelength surface micro-structure and an optical reflection facet formed on an upper surface of the substrate; and a multi-layer structured coating formed on the sub-wavelength surface micro-structure and the optical reflection facet. In the case where the same multi-layer structured coating is used, a contrasting optical characteristic is formed between the region in which the sub-wavelength surface micro-structure and the multi-layer structured coating lie and the region in which the optical reflection facet and the multi-layer structured coating lie, so that the optical anti-counterfeiting component or the optical anti-counterfeiting product that includes the optical anti-counterfeiting component can be identified easily and has high anti-counterfeiting capability.

Optical anti-counterfeiting component and optical anti-counterfeiting product

An optical anti-counterfeiting element comprises a base material (). The base material () has a first surface and a second surface which are opposite to each other. The first surface is covered thereon with a micro-sampling tool (); one part of the second surface is a micro image-text formed by a micro relief structure (), and the other part thereof is a flat structure which does not form a micro image-text and/or a micro relief structure () which is different from the micro relief structure forming the micro image-text. The flat structure which does not form the micro image-text and the micro relief structure () different from the micro relief structure forming the micro image-text are homomorphically covered thereon with a first plating (), the micro relief structure () forming the micro image-text is homomorphically covered thereon with a second plating (), and the micro image-text is sampled by the micro sampling tool (). Also provided is an anti-counterfeiting product using the optical anti-counterfeiting element and a preparation method therefor.

Optical anti-counterfeiting element, product using same and preparation method therefor

An information processing method and apparatus are provided in which a first switching operation instructs an electronic device to switch from a first mode to a second mode while the electronic device is in the first mode, in response to the first switching operation controlling the electronic device to switch from the first mode to the second mode, wherein a display unit set in a face of the electronic device acts as an auxiliary input unit and a projection unit, for projecting content, is set as an output unit while the electronic device is in the first mode; and wherein the display unit acts as an output unit and the projection unit is set as an auxiliary input unit while the electronic device is in the second mode.

Information processing method and electronic device thereof

An information processing method is provided, which is applied to an electronic device. The electronic device includes a main body, a display unit and a projection unit. The method includes: obtaining trigger information for instructing the electronic device to switch from a first state to a second state; controlling the electronic device to switch from the first state to the second state in response to the trigger information; obtaining at least one parameter information; determining whether to enable the projection unit based on the at least one parameter information; and controlling the projection unit to be in the enabled state, in a case that it is determined to enable the projection unit based on the at least one parameter information.

Information processing method and electronic device

The disclosure involves selecting a receiving antenna in a wireless local area network, comprises: testing each antenna in an antenna array to obtain an antenna quality parameter of each antenna corresponding to a client Station, and determining an optimal receiving antenna corresponding to said Station according to the antenna quality parameter of each antenna corresponding to the Station; setting the optimal receiving antenna corresponding to said Station as the receiving antenna upon receiving a notification transmission message transmitted by said Station.

Selecting a receiving antenna in a wireless local area network

A method for data transmission disclosed is applied to an access point for use in a wireless local area network. The access point has multiple antennas. The method comprises in response to transmitting a first message successfully to a station, determining a maximum transmitting rate at which a message can be transmitted successfully using a current antenna group by increasing the transmitting rate and transmitting a message repeatedly; and, transmitting further messages to the station at the determined maximum transmitting rate.

Growing community of inventors

Beijing, China

Weiwei Zhang