Advanced New Technologies Co., Ltd.

Alibaba Group Holding Limited

Other

Zhejiang University

Alipay (hangzhou) Information Technology Co., Ltd.

Nanjing Develop Advanced Manufacturing Co., Ltd.

Cheng Uei Precision Industry Co., Ltd.

Southeast University

Zhejiang Lab

Advantageous New Technologies Co., Ltd.

Hong Zhang

Li Chen

Huanmi Yin

Xiaodong Zeng

Feng Lin

Jun Wu

Linqing Wang

Le Zhou

Sihai Yao

Xinyu Weng

Haitao Jiang

Fuqiang Li

Xiaobo Zhang

Lei Yang

Pui Yin Yu

Zongru Zhan

Zhongzheng Ye

Li Zhang

Zhe Han

Jiankang Sun

Xiaolei Liu

Changhua Chen

Xuyang Wan

Yao Ha

Xin Hua Zeng

Ming-Chiang Chen

Ping-Chih Chen

Tao Zou

Ruyun Zhang

Fan Yang

Qi Huang

Cheng Zhuo

Yao Qin

Shiqi Jiang

Jianhua Feng

Jiang Yin

Teng Zhang

Yuan Liang

Jianing Luo

Zhengmao Xu

Zheng Dong

Qingyong Chen

Yanchu Guan

Leijun Song

Jiayin Xu

Chaogang Shi

Yangdao Gong

Jiao Wang

Xinhua Chen

Junjun Zhang

Meng Cong

Cong Liu

Shihu Feng

Renjiang Miu

Shengjian Zhang

Yingxian Zhao

Qinming Zhang

Mei Tian

Yi Liao

Jian Ying Xue

Xiawan Wang

Lingjun He

Embodiments and fabrication methods for a printed circuit board comprising two or more electrically conductive layers, including at least a first conductive layer opposing and adjacent to a second conductive layer. Also including one or more electrically non-conductive layers including at least a first non-conductive layer disposed between the first conductive layer and the second conductive layer. A first copper pad is included on the first conductive layer. A second copper pad is included on the second conductive layer. There is a conductive via extending through the first non-conductive layer and electrically connecting the first copper pad to the second copper pad and solder mask material on the first copper pad around the via.

Circuit board with solder mask on internal copper pad

The present specification provides a blockchain-based offline resource transfer method and apparatus. A transferor terminal and a receiver terminal of offline resource transfer include multiple execution environments. Multiple computing nodes constructed based on the execution environments further constitute an offline blockchain network as blockchain nodes. The method includes: constructing an offline resource transfer transaction in response to an offline resource transfer operation initiated by a user on the transferor terminal; sending the offline resource transfer transaction to the receiver terminal through a short-range wireless communication between the transferor terminal and the receiver terminal, for the offline resource transfer transaction to be broadcast to the multiple computing nodes included in the offline blockchain network; and after consensus on the offline resource transfer transaction has been successfully completed by the offline blockchain network succeeds, executing the offline resource transfer transaction to transfer a resource corresponding to a resource transfer quantity from a transferor account to a receiver account.

Blockchain-based offline resource transfer method and apparatus

A method and an apparatus for screening TB-scale of incremental data. In the present application, according to the memory capacity of the device, the raw data is divided into a plurality of raw data blocks, and the data is cleaned. By adopting a single-block index sorting algorithm, the de-duplicating ordering in the data blocks is completed without dropping operation, and the processed data blocks and a matrix hash index table are respectively generated and saved as initial data after completion. For the subsequent incremental data, the inter-block index-sorting algorithm is adopted, and the processed data blocks and the matrix hash index table are loaded in turn. The data is preliminarily screened on the basis of the matrix hash index table, and an incremental binary search algorithm is used for fine screening. Finally, the indexing and de-duplication screening of all data are completed.

Method and apparatus for screening TB-scale incremental data

The present disclosure discloses a three-dimensional automatic location system for an epileptogenic focus based on deep learning. The system includes: a PET image acquisition and labelling module; a registration module mapping PET image to standard symmetrical brain template; a PET image preprocessing module generating mirror image pairs of left and right brain image blocks; a network SiameseNet training module containing two deep residual convolutional neural networks which share weight parameters, an output layer connecting a multilayer perceptron and a softmax layer, and using a training set of an epileptogenic focus image and an normal image to train the network to obtain a network model; a classification module and epileptogenic focus location module, using the trained network model to generate a probabilistic heatmap for the newly input PET image, a classifier determining whether the image is normal or epileptogenic focus sample, and then predicting a position for the epileptogenic focus region.

Three-dimensional automatic location system for epileptogenic focus based on deep learning

Provided is a method for blockchain-based recordkeeping and implementable by a terminal device. The method comprises: obtaining target data; computing a data digest of the target data, and extracting a key segment from the target data; signing, in a secure operation environment included in the terminal device, the data digest and/or the key segment based on a private key associated with the terminal device to generate a signature; and submitting to a blockchain the data digest, the key segment, and the signature, for one or more nodes in the blockchain to verify the signature based on a public key corresponding to the private key, and to record the data digest and the key segment in the blockchain in response to the signature being verified to be valid.

Method, apparatus, and electronic device for blockchain-based recordkeeping

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a virtual reality head-mounted apparatus are provided. One of the apparatus includes: an apparatus body being provided with a convex lens and a camera, the camera being located on a user side of the convex lens, and a lens of the camera facing an eye of the user to acquire eye pattern features of the user. The virtual reality head-mounted apparatus may acquire eye pattern features of the user without interrupting the displaying of virtual reality contents, and quickly and accurately perform identity verification on the user based on the eye pattern features.

Virtual reality head-mounted apparatus

Some embodiments of the application disclose a method and apparatus for paying a fare. When a user takes a public transit means, the user terminal establishes an NFC connection with the fare-collecting device of the public transit means, the user terminal transmits the encrypted account ID of the user to the fare-collecting device, and the fare-collecting device may request a server to deduct the fare from the account of the user.

Method and apparatus for paying fare

A service processing method includes: receiving RF signals sent by at least one terminal device, the RF signals including at least one device identifier of the at least one terminal device; selecting an RF signal from the received RF signals, and determining a terminal device corresponding to a device identifier included in the RF signal as a target payment device; collecting first biometric feature information of a user using the terminal device; and after obtaining a verification result of a verification on the user's identity based on the first biometric feature information, sending a payment request to a server if the verification is passed, wherein the payment request is configured to request for completing payment based on a payment account corresponding to the target payment device.

Service processing method, device, and system

Methods, systems, and apparatus for a virtual reality (VR) head-mounted apparatus are provided. One of the apparatus includes a convex lens, a camera and a partial-reflection partial-transmission lens. The partial-reflection partial-transmission lens is located on a side of the convex lens towards a user when the user wears the VR head-mounted apparatus, and a lens surface of the partial-reflection partial-transmission lens is disposed obliquely to reflect an infrared image of an eye of the user to the camera. The VR head-mounted apparatus improves the acquisition accuracy for an infrared image of an eye of the user.

Virtual reality head-mounted apparatus with a partial-reflection partial-transmission wedge

One or more implementations of the present specification provide a method and an apparatus for generating description information. The method for generating description information includes: determining local DIDs registered in a first blockchain, and generating a relationship graph of all local DIDs based on data that is related to individual local DIDs and that is maintained by a first blockchain node corresponding to the first blockchain; determining, from the relationship graph and based on a target local DID corresponding to a target object, an associated local DID related to the target local DID; and generating description information of the target object based on (a) an association relationship between the target local DID and the associated local DID and (b) data related to the associated local DID.

Method and apparatus for generating description information

A dudou-shaped test block includes a testing structure, a first beam-path structure, and a second beam-path structure. A first arc-shaped groove and a second arc-shaped groove are provided on one side of the testing structure. The other side of the testing structure is a flat surface. The first beam-path structure and the second beam-path structure are both flat plates. A thickness of the first beam-path structure is less than a thickness of the second beam-path structure. The first beam-path structure and the second beam-path structure are both in contact with the flat surface and arranged parallel to the flat surface. The first arc-shaped groove is arranged corresponding to the first beam-path structure, and the second arc-shaped groove is arranged corresponding to the second beam-path structure.

Ultrasonic flaw detector test block

This disclosure relates to radio frequency identification (RFID)-based communications technologies. In one aspect, a radio-frequency-based communications apparatus includes an antenna, a near field communication (NFC) radio frequency module and an electronic product code (EPC) radio frequency module separately connected to the antenna, an NFC processing module connected to the NFC radio frequency module, and an EPC processing module connected to the EPC radio frequency module. The NFC radio frequency module and the NFC processing module are configured to process signals transmitted according to one or more predetermined NFC protocols. The EPC radio frequency module and the EPC processing module are configured to process signals transmitted according to one or more predetermined EPC protocols.

RFID information processing

A printed circuit board includes a first and second core. The first core has a first conductive layer, a first non-conductive layer, a first copper layer and a first opening. The first core also has a first solder mask connected to the first copper layer and a first FR4 laminate bonded to the first solder mask. The second core has a second conductive layer, a second non-conductive layer, a second copper layer and a second opening. The second core also has a second solder mask connected to the second copper layer and a second FR4 laminate bonded to the second solder mask. A prepreg layer is between the first copper layer and the second copper layer but not between the first FR4 laminate and the second FR4 laminate.

Resin flow restriction process and structure

The present specification describes to a self-service payment device and a control method thereof. One example method includes determining that a removable cover plate is in a first state, wherein the removable cover plate and a payment box form an enclosed space when the removable cover plate is in the first state, and the top of the payment box is open when the removable cover plate is in a second state; reading, using at least one radio frequency identification (RFID) antenna fastened to at least one inner wall of the payment box, at least one RFID tag, wherein each RFID tag is associated with a merchandise to be paid inside the payment box; and providing payment information based on the at least one RFID tag.

Self-service payment device and control method thereof

Growing community of inventors

Hangzhou, China

Hong Zhang