Psj International Ltd.

National Taiwan University

Industrial Technology Research Institute

Realtek Semiconductor Inc.

Unimicron Technology Corporation

Mediatek Corporation

Hon Hai Precision Industry Co., Ltd.

Tunghai University

Ruey-Beei Wu

Alexander I Chi Lai

Ching-Sheng Chen

Chi-Min Chang

Ting-Ying Wu

Chia-Cheng Chuang

Shih-Hung Wang

Wei-Yu Liao

Chun-Jui Huang

Tze-Min Shen

Chung-Yuan Chen

Tzu-Hung Lin

Ming-Tzong Yang

Yu-Hua Huang

Wei-Che Huang

Cheng-Chou Hung

Wen-Shan Wang

Kuei-Ti Chan

Hao-Wei Chan

Chin-Hsun Wang

Kai-Bin Wu

Yu-Er Chen

Gerchih Chou

Ra-Min Tain

Chun-Ming Huang

Chin-Sheng Wang

Shau-Gang Mao

Ming-Chung Huang

Chia-Chia Lin

Hsueh-Jyh Li

Jun-Ho Chen

Dou-Ken Lee

Meng-Lin Yu

Mei-Hua Wang

Fang-Lin Chao

Yung Jinn Chen

Chao-Hsiang Li

Han-Yun Tsai

Min-Hsu Tsai

Shih-Yi Huang

Yu-Kuang Wang

Chi-feng Chen

Po-Sheng Yen

Po-Chun Chen

Tzu-Yi Yang

Ju-Chin Chao

Hsin-Chan Hsieh

Yu-Chih Chen

Yu-Shu Liu

Yu-Cong Wang

A circuit board device includes a transition region that includes a first conductive layer at a first level, a second conductive layer at a second level, and conductive vias. The first conductive layer includes a pad connected to the solderless connector, a transmission line, and a first reference layer. The transmission line includes first and second segments. A second width of the second segment is the same as or less than a first width of the first segment. The first reference layer has a first anti-pad region for the pad and the transmission line disposed therein. In a plan view, the first anti-pad region surrounding the pad is completely located within a second anti-pad region of a second reference layer of the second conductive layer. The conductive vias are disposed between the first and second conductive layers and surround the pad.

Circuit board device

An immersive exhibition image arrangement system and an immersive exhibition image arrangement preview method are provided. The immersive exhibition image arrangement system includes an arrangement interface that includes image playback regions, image upload options, a 3D model upload option, an audio upload option, and a conversion option. Each of the image playback regions corresponds to an image playback surface of an immersive exhibition venue. Images to be played and a virtual 3D model file corresponding to the immersive exhibition venue can be uploaded by selecting the image upload options and the 3D model upload option. When the conversion option is selected, each of the images to be played corresponding to one of the image playback regions is integrated into a corresponding one of virtual image playback surfaces of the virtual 3D model file to form an integrated virtual 3D model file that is converted into a VR file.

Immersive exhibition image arrangement system and immersive exhibition image arrangement preview method

A spatial positioning method is provided. The method includes steps of: dividing an activity space into a plurality of activity regions; selecting a plurality of positions in the activity space or within a distance range of the activity space as a plurality of base station candidate positions; predicting connection states between the plurality of base stations that are disposed respectively at the plurality of station candidate positions and a mobile robot moving to each of the plurality of activity regions; selecting some of the base station candidate positions as a plurality of base station positions according to the connection states; disposing the plurality of base stations respectively at the plurality of base station positions; and wirelessly connecting the mobile robot respectively moving to the plurality of activity regions to some of the plurality of base stations to position the mobile robot.

Spatial positioning method

A multi-layered resonator circuit structure and a multi-layered filter circuit structure. The multi-layered resonator circuit structure includes a multi-layered substrate, a plurality of resonators and a plurality of conductive components. The multi-layered substrate has a top surface, a bottom surface, and a ground layer. The top surface and the bottom surface face away from each other. The ground layer is located between the top surface and the bottom surface. A part of the plurality of resonators is/are disposed on the top surface. Another part of the plurality of resonators is/are disposed on the bottom surface. The plurality of conductive components is located in the multi-layered substrate. The plurality of resonators is electrically connected to the ground layer, respectively, via the plurality of conductive components.

Multi-layered resonator circuit structure and multi-layered filter circuit structure

A transmission line device includes a daisy chain structure composed of at least three daisy chain units arranged periodically and continuously. Each of the daisy chain units includes first, second and third conductive lines, and first and second conductive pillars. The first and second conductive lines at a first layer extend along a first direction and are discontinuously arranged. The third conductive line at a second layer extends along the first direction and is substantially parallel to the first and second conductive lines. The first conductive pillar extends in a second direction. The second direction is different from the first direction. A first part of the first conductive pillar is connected to the first and third conductive lines. The second conductive pillar extends in the second direction. A first part of the second conductive pillar is connected to the second and third conductive lines.

Transmission line device compriing first and second conductive lines on one level separated from a third conductive line on another level by an intervening ground layer

A ranging-type positioning system and a ranging-type positioning method based on crowdsourced calibration are provided. In a crowdsourcing stage, pedestrian dead reckoning (PDR) is performed based on readings of inertial measurement units on a mobile device, a particle filter (PF) is executed to reconstruct a path of the mobile device with map information of the target field, and FTM data records are collected. Then, a ranging model based on a neural network can be used to calibrate and inversely infer approximate locations of unknown base stations. The optimized ranging model can estimate estimated distances and standard deviations based on the FTM data records obtained in the crowdsourcing stage. In a positioning stage, a position of a to-be-positioned mobile device can be positioned by having the ranging model operated in cooperation with the PDR and the PF.

Ranging-type positioning system and ranging-type positioning method based on crowdsourced calibration

An autonomous drone is provided. When a remote control circuit of a remote controller is triggered to output a remote control signal, a main controller of a drone records the remote control signal and a flight control panel of the drone controls the drone to fly according to the remote control signal. When the remote controller is triggered to output an automatic flight signal, a signal receiver of the drone receives and transmits the automatic flight signal to the main controller. At this time, the main controller instructs the flight control panel to control the drone to fly according to movement instruction messages of the remote control signal previously recorded.

Autonomous drone

A transmission device for suppressing the glass-fiber effect includes a circuit board and a transmission line. The circuit board includes a plurality of glass fibers, so as to define a fiber pitch. The transmission line is disposed on the circuit board. The transmission line includes a plurality of non-parallel segments. Each of the non-parallel segments of the transmission line has an offset distance with respect to a reference line. The offset distance is longer than or equal to a half of the fiber pitch.

Transmission device for suppressing glass fiber effect

The present disclosure provides a method and system for creating dipole moment model. The method is applied to a tested circuit and includes: performing a near-field measurement on the tested circuit, to obtain a near-field electric field and a near-field magnetic field related to the tested circuit; performing a two-dimensional divergence calculation on the near-field electric field and the near-field magnetic field, to obtain a near-field electric divergence field and a near-field magnetic divergence field; performing a convolution calculation on the near-field electric divergence field and the near-field magnetic divergence field with a digital filter; and building a dipole moment matrix equivalent to the tested circuit according to a result of the convolution calculation.

Method and system for creating dipole moment model

An antenna device, a positioning system and a positioning method are provided. The positioning method includes: dispersedly arranging a plurality of receivers to form a target area, in which each of the receivers includes the antenna device; receiving a wireless signal from the target area through the antenna device, and generating a difference signal strength and a sum signal strength; calculating, for each of the receivers, a sum-difference ratio between the difference signal strength and the sum signal strength, and estimating a corresponding one of estimated incident angles according to the sum-difference ratio and a comparison table; executing, in response to obtaining the estimated incident angles corresponding to the receivers, a positioning algorithm according to the estimated incident angles, so as to generate a plurality of possible positions; and executing an optimization algorithm to calculate a best estimated position of the possible positions.

Antenna device, positioning system and positioning method

An ultra-wideband assisted precise positioning system and an ultra-wideband assisted precise positioning method are provided. The method includes: arranging a plurality of device nodes in a target area; configuring a central control device node to communicatively connect to the device nodes; configuring the device nodes to perform a positioning process to obtain measured distances and positioning positions to be corrected; and configuring a central control processor to execute a positioning algorithm. The positioning algorithm includes: obtaining the measured distances and the positioning positions to be corrected; for each of the positioning positions to be corrected, performing a center-of-gravity weighting processing on neighboring points for obtaining initial guess positions; and obtaining the initial guess positions to input to an optimizer and optimize an objective function, and finding corrected positions with relatively smallest errors. The objective function includes empirical weights associated with distance errors of the measured distances.

Ultra-wideband assisted precise positioning system and ultra-wideband assisted precise positioning method

A positioning system and a positioning method based on WI-FI&#xae; fingerprints are provided. The method includes obtaining positioning map data; performing a clustering processing process to allocate collected data into reference groups in a target area according to collection coordinates; calculating metadata of WI-FI&#xae; access points; serving the metadata as a filtering condition related to an identification rate, and extracting WI-FI&#xae; fingerprint data with relatively high identification rate; establishing a machine learning model for estimating a relevant position based on the fingerprint data of the WI-FI&#xae; access points, and training the machine learning model with extracted WI-FI&#xae; fingerprint data and corresponding spatial coordinates to generate a trained machine learning model; configuring a communication module to receive WI-FI&#xae; fingerprint data collected by a wireless device; and configuring the trained machine learning model to estimate, according to the WI-FI&#xae; fingerprint data collected, the relevant position.

Positioning system and positioning method based on WI-FI fingerprints

A positioning system and a method based on neural network models are provided. The positioning method includes collecting WI-FI&#xae; fingerprint data; configuring a computing device to receive the WI-FI&#xae; fingerprint data, and the computing device includes a processor and a database storing positioning map data and a group of neural network models including a global positioning model, a coarse positioning model and a fine positioning model; configuring the processor to input the WI-FI&#xae; fingerprint data and perform the following steps: estimating a global coordinate through the global positioning model; obtaining the corresponding coarse positioning model from a corresponding primary sub-region to estimate an estimated coarse coordinate of a current position; estimating a plurality of estimated fine coordinates of the current position from the corresponding fine positioning model; and performing a merging process on the estimated fine coordinates to generate a final coordinate.

Positioning system and method based on neural network model

A power line structure includes a dielectric layer, a first conductive component, a second conductive component, and a third conductive component. The first conductive component is disposed at a first side of the dielectric layer. The second conductive component is disposed at the first side of the dielectric layer. The third conductive component is disposed at the first side of the dielectric layer and between the first conductive component and the second conductive component. Each of the voltage of the first conductive component and the second conductive component is equal to a ground voltage. The third conductive component is configured to receive a first power voltage.

Power line structure

An ultra-wideband (UWB) localization method, a UWB localization device, and a UWB localization system are provided. The UWB method includes: determining whether or not a plurality of UWB hardware measurement deviations are calibrated; determining, when the UWB hardware measurement deviations are calibrated, whether or not a plurality of anchor coordinates of anchors are automatically measured; obtaining, when the anchor coordinates of the anchors are automatically measured, a plurality of measurement distances between each of the anchors and a tag, respectively, and deducting the UWB hardware measurement deviations from the measurement distances, respectively; and calculating a tag coordinate of the tag according to the measurement distances from which the UWB hardware measurement deviations are deducted.

Ultra-wideband localization method, device, and system

Growing community of inventors

Taipei, Taiwan

Ruey-Beei Wu