Beijing Boe Sensor Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Qihoo Technology Company Limited

Xiaomi Inc.

Oracle International Corporation

International Business Machines Corporation

Beijing Xiaomi Mobile Software Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Siemens Schweiz Ag

Qizhi Software (beijing) Company Limited

Yi Ding

Chuncheng Che

Jing Wang

Haocheng Jia

Enxing Hou

Yan Lu

Yuan Yuan Li

Xiaobo Wang

Feng Qu

Wei Chen

Deguo Meng

Zhifeng Zhang

Ronald Jason Barber

Richard Sefton Sidle

Adam J Storm

Chandrasekaran Mohan

Steven Robert Pearson

Wei Zhang

Qi Yao

Xu Zhang

Xin Peng Liu

Tao Li

Wei Liu

Yunrui Li

He H Liu

Wei Zheng

Zhao Cui

Yong Ma

Frank Zeitler

Ziguang Gao

Cuiwei Tang

Yong Liu

Xin Liu

Hao Guo

Wenxue Ma

Mi Zhou

Walter Duke Alvey

Sheng Chen

Yanlu Zhang

Feiyun Li

Qin Chen

Sitai Gao

Weisi Zhou

Meng Wei

Jing Xie

An Luo

Yuanbo Wang

Benchang Su

Hong Chen

Chengdong Lu

Honggang Liang

Wen Long Qi

Ian Stuart Neall

Shanshan Song

Xueyan Su

Kanjie Zhu

Chendong Lu

German Shegalov

Steven J Mcgee

Hailong Lian

Zhenguo Zhang

Rebecca Christmann

Jin Ke Teng

Tian Yi Zhou

A phase shifter is provided. The phase shifter includes a plurality of phase shift units coupled in sequence. At least one phase shift unit of the plurality of phase shift units includes: a first conductive structure and a second conductive structure. The first conductive structure includes at least one first transmission line, and a second transmission line connected to the at least one first transmission line, the second transmission line being configured as an inductive load. The second conductive structure includes at least one third transmission line, each third transmission line being configured to form a capacitor with a first transmission line. The first transmission line, the third transmission line and the capacitor constitute at least a portion of a phase shift communication path of the phase shifter.

Phase shifter operable in a differential mode comprising a first conductive structure and a second conductive structure that form a capacitor therebetween

A phase shifter, a phase shifter array, an antenna array and an electronic device are provided and belong to the field of communication technology. The phase shifter includes: first and second dielectric substrates opposite to each other, a first transmission line and a second transmission line on a side of the first dielectric substrate close to the second dielectric substrate, patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between a layer where the transmission lines are located and a layer where the patch electrodes are located; wherein orthographic projections of two ends of each patch electrode on the first dielectric substrate overlap with orthographic projections of the first and second transmission lines on the first dielectric substrate, respectively; and at least two of the plurality of patch electrodes are connected to different first bias voltage lines.

Phase shifter, phase shifter array, antenna array and electronic device

An antenna and an electronic device are provided, and belong to the field of communication technology. The antenna includes: a first dielectric substrate, at least one sub-array and at least one first feed structure. Each sub-array includes at least one first radiation portion, at least one phase shifter, at least one second feed structure and a reference electrode layer. Each transmission component includes a first transmission structure and a second transmission structure; the at least one first radiation portion and the at least one second feed structure are on a side of the first dielectric substrate away from the at least one transmission component. The reference electrode layer is on the first dielectric substrate. Each first feed structure includes a first feed port and at least one second feed port; each second feed structure includes a third feed port and at least one fourth feed port.

Antenna and electronic device

A balun structure and an electronic device. The balun structure includes: a dielectric substrate; a first grounding conductive layer, a first transmission line, a second transmission line, and a third transmission line, wherein at least one coupling structure is connected in series between a first end and a second end of the third transmission line. The coupling structure includes a first coupling part and a second coupling part, wherein in the same coupling structure, one end of the first coupling part facing the second coupling part has at least one first branch line, and one end of the second coupling part facing the first coupling part has at least one second branch line; and in the same coupling structure, the first branch line of the first coupling part is in coupling connection with the second branch line of the second coupling part.

Balun structure and electronic device

The present disclosure provides a phase shifter, an antenna and an electronic device, and belongs to the field of communication technology. The phase shifter includes a plurality of phase shifting units, a first power division network and a second power division network; each phase shifting unit includes a first transmission structure and a second transmission structure; the first power division network includes a first feeding port and a plurality of second feeding ports; the second power division network includes a third feeding port and a plurality of fourth feeding ports; and the first transmission structure of the phase shifting unit is electrically connected to one second feeding port; the second transmission structure of the phase shifting unit is electrically connected to one fourth feeding port.

Phase shifter, antenna and electronic device

Provided is a balun structure, including: a first dielectric layer, a second dielectric layer, a ground electrode, an unbalance electrode, and a balance electrode. The first dielectric layer, the ground electrode, the second dielectric layer are successively stacked, and the ground electrode has a coupling hole therein. The coupling hole extends from a surface facing the first dielectric layer to a surface facing the second dielectric layer. The unbalance electrode is disposed on a first side of the first dielectric layer, wherein the first side of the first dielectric layer is a side, distal from the ground electrode, of the first dielectric layer. The balance electrode is disposed on a first side of the second dielectric layer, wherein the first side of the second dielectric layer is a side, distal from the ground electrode, of the second dielectric layer.

Control unit for room automation and extension module

There is provided a phase shifter having a phase shift region and a peripheral region, and including a first substrate, a second substrate and a dielectric layer between such two substrates; the first substrate includes a first dielectric substrate, a first electrode and a first auxiliary structure; the second substrate includes a second dielectric substrate, a second electrode and a second auxiliary structure; the phase shift region includes overlapping regions; the first electrode and the second electrode are located in the phase shift region, and have orthographic projections, on the first dielectric substrate, overlapped at least partially in the overlapping regions; the first auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the first dielectric substrate; the second auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the second dielectric substrate.

Phase shifter and antenna

The present disclosure provides a waveguide conversion device and wireless communication system. The waveguide conversion device includes: a waveguide cavity including a waveguide transmission cavity and a waveguide back cavity facing each other; a base substrate between the waveguide transmission cavity and the waveguide back cavity, the base substrate including at least a first substrate; and a conversion module on the first substrate and including a balanced antenna, a first differential strip-line and a second differential strip-line, wherein the balanced antenna is in a region where the waveguide transmission cavity faces the waveguide back cavity, the balanced antenna includes a first output port and a second output port; a first end of the first differential strip-line is connected to the first output port of the balanced antenna, and a first end of the second differential strip-line is connected to the second output port of the balanced antenna.

Waveguide conversion device and wireless communication system

A computer program product, system, and computer implemented method for automatic maintenance of standby databases for non-logged workloads, the process comprising: maintaining a redo stream of redo records sent from a primary database to a standby database, identifying a change made at the primary database for which a redo record was not created, inserting a placeholder redo record into the redo stream corresponding to the change identified at the primary database for which the redo record was not created, sending, to the standby database, a copy of one or more data blocks corresponding to the change that is associated with the placeholder redo record, receiving the placeholder redo record from the redo stream, identifying the copy of the one or more data blocks sent from the primary database corresponding to the placeholder redo record, and applying the copy of one or more data blocks to update the standby database.

Method and system for automatic maintenance of standby databases for non-logged workloads

The present disclosure relates to an information transmission device and apparatus, a device and a storage medium. The method includes receiving a message from a source terminal device, the message including message data and a target terminal device identification; determining whether the target terminal device identification exists in a transmission list, the transmission list including identifications of terminal devices accessing an access point device, and the access point device being an access point device corresponding to the source terminal device; and sending the message data to the target terminal device if the target terminal device identification exists in the transmission list.

Information transmission method and apparatus, device and storage medium

A method for accessing a wireless access point is provided. The method includes: receiving access information of the wireless access point broadcasted by a preset device, the access information including a Basic Service Set Identifier (BSSID) and an access password of the wireless access point, and the preset device having successfully accessed the wireless access point; unicasting device discovery information according to the BSSID, the device discovery information including the BSSID; receiving feedback information sent by the wireless access point, the feedback information including a Service Set Identifier (SSID) of the wireless access point; and accessing the wireless access point according to the SSID in the feedback information and the access password.

Method and apparatus for accessing wireless access point

A method, a device and a medium for sending message are provided. The method includes: determining whether opposite terminal communication information of an opposite terminal user is acquired; generating a first friend-adding prompt according to the opposite terminal communication information if the opposite terminal communication information is acquired; sending local terminal communication information to the opposite terminal to enable the opposite terminal to generate a second friend-adding prompt according to the local terminal communication information, the second friend-adding prompt being used to prompt the opposite terminal user to add the local terminal user as a friend.

Method, device and medium for sending message

Disclosed are a system for securely accessing a network address, and a device and a method therein. The system for securely accessing a network address comprises a terminal device and a security control server. The security control server stores security attributes of known network addresses. The terminal device comprises: a scanner, used for scanning a two-dimensional code; a decoder, used for decoding the two-dimensional code scanned by the scanner to obtain a network address corresponding to the two-dimensional code; a transmission interface, used for transmitting the network address to a security control server for check, and receiving a security attribute of the network address from the security control server; and a monitor, used for forbidding or allowing the connection of the network address according to the security attribute of the network address.

System for securely accessing network address, and device and method therein

This disclosure relates to a message transmission method, a message reception method and corresponding apparatuses and storage mediums. The message transmission method may be performed by a first Bluetooth device and may involve generating, by a processor of the first Bluetooth device, a beacon frame message based on an intended interaction purpose with a second Bluetooth device, wherein the beacon frame message contains one or more fields indicating the interaction purpose, and broadcasting the beacon frame message using a Bluetooth communication interface of the first Bluetooth device. By including one or more fields indicating the intended interaction purpose within the beacon message frame, the first Bluetooth device and a second receiving Bluetooth device may be able to interact with one another without having to first establish a connection there between, thereby overcoming limitations of traditional Bluetooth communication schemes.

Message transmission method, message reception method and apparatus and storage medium

Growing community of inventors

Beijing, China

Yi Ding