Hon Hai Precision Industry Co., Ltd.

Hong-Fu Jin Precision Industry (Shenzhen) Co., Ltd.

Shou-Kuo Hsu

Shen-Chun Li

Hsien-Chuan Liang

Yung-Chieh Chen

Yu-Chang Pai

Chia-Nan Pai

Chien-Hung Liu

Cheng-Hsien Lee

Cheng-Shien Li

Chun-Jen Chen

Duen-Yi Ho

Wen-Laing Tseng

Po-Chuan Hsieh

Shin-Ting Yen

Ying-Tso Lai

Dan-Chen Wu

Ya-Ling Huang

Hua-Li Zhou

Hsiao-Yun Su

Chun-Neng Liao

Shi-Piao Luo

Cheng-Hong Liu

Tsung-Sheng Huang

Chun-Shan Hsiao

Hung Chao

Jia-Chi Chen

Han-Long Chen

Hsiao-Chuan Tu

Ming Wei

Jia-Lu Ye

Chun-Sheng Chen

Cho-Hao Wang

Wei-Chieh Chou

Wei-Yuan Chen

Ning Li

Kuan-Lin Wu

Ling-Ling Shen

Zheng Shan

Pei-Chun Lin

Liang-Yao Chang

Yan-Jun Li

A printed circuit board (PCB) includes a receiver component, a transmission line including a positive signal transmission line and a negative signal transmission line, a transmitter component, and a capacitance unit. The transmitter component transmits a different signal to the receiver component via the transmission line. The capacitance unit is spaced from the receiver component a predetermined distance S, therein, the predetermined distance S is calculated by a formula S=Vx (n*UI&#x2212;(CC)&#xd7;Zo/2)/2, and V is a speed of the transmission line. Cis an equivalent capacitance value of the receiver component, Cis a capacitance value of the capacitance unit, Zo is a resistance value of the transmission line, UI is a half of one cycle of the differential signal, and n is a value less than or equal to 1.5 and greater than or equal to 0.5.

Printed circuit board capable of reducing return loss of differential signal and electronic device using the same

In a data processing device and a method for analyzing stability of the data processing device, one or more sets of equalization parameters and a predetermined bit error ratio (BER) are received. Times and voltages of data points that represent a waveform of an electronic signal generated by the data processing device are read, and an output type of the electronic signal is selected to obtain a time interval of outputs of the electronic signal. Optimal equalization parameters are selected from the one or more sets of equalization parameters to compute a sample interval. Interfering voltages of the electronic signal are computed to select a frequency which is equal to the predetermined BER, and the interfering voltages corresponding to the selected frequency are obtained. An eye pattern is established using the interfering voltages corresponding to the selected frequency, and a determination is made according to the eye pattern.

Data processing device and method for analyzing stability of data processing device

An exemplary guideway mechanism includes four branches each including two parallel rails, four groups of connecting blocks each including four connecting blocks arranged at four corners of an imaginary square, and four supporting brackets each connecting one corresponding group of connecting blocks. Adjacent ends of the rails of each branch respectively connect two adjacent connecting blocks. Each of two ends of each rail connects one corresponding connecting block. Two adjacent rails respectively located in two adjacent branches are perpendicular to each other and connected together by a respective connecting block of one corresponding group of connecting blocks. The other two rails respectively located in the two adjacent branches connect another two respective connecting blocks of the one corresponding group of connecting blocks. The whole guideway mechanism is frame-shaped.

Guideway mechanism

A robotic arm control system is provided. In, the robotic arm control system, any three points A, B, and C of an object to be determined are picked, thereby creating an original coordinate system. A robotic arm is directed to rotate around the x-axis of the original coordinate system to reach the points B and C. During the rotation of the robotic arm, the three points A, B, and C are recorded by a visual process. A non-linear mapping relation of the original coordinate system and the operation coordinate system is calculated according to length ratios, an angular ratio, and a differential ratio of the difference of the length ratios to the angle between the line A-B and the line A-C, thereby controlling the movement of the robotic arm according to the non-linear mapping relation. The disclosure further provides a robotic arm control method.

Robotic arm control system and method

A method for checking signal transmission lines of a printed circuit board (PCB) layout includes determining differential pairs to be checked and dividing the differential pairs to be checked into a first group and a second group. A first reference distance between differential pairs belonging to the same group and a second reference distance between differential pairs belonging to different groups are set. A first box surrounding each line section of one to be checked signal differential line of the first group and a second box surrounding the first box are created. One first box surrounding each line section of the to be checked differential line of the second group is created. Whether or not in the first box and the second box there are differential lines which do not satisfy design standards is determined.

System and method for checking signal transmission line

In a method for optimizing an order in which certain points on a circuit board can be tested and evaluated, a coordinate system is established in a circuit diagram of a circuit board, and at least one locating point is preset. When an operator selects a signal path routing within the circuit diagram, the method can display the testing points in the selected signal path routing on a display device. After calculating the distance between each of the testing points and each of the at least one locating point, a group of distances is obtained. By comparing the distances, the minimum distance can be determined from the group of distances. The method further optimizes the order of the testing points according to the distance between each of the testing points and the locating point that consists of the minimum distance.

Electronic device and method for optimizing order of testing points of circuit boards

A via design method includes doing a simulation according to input data to obtain the impedance of the via of the reference printed circuit board (PCB). An optimal via model is determined according to a group of input data. Simulating is performed according to the thickness of a PCB to-be-designed and the optimal via model data, to obtain the impedance of a via of a PCB to be designed. The number of the anti-pads of the via of the PCB to be designed is recorded when the difference between the impedance of the via of the PCB to be designed and the impedance of the via model of the reference PCB does not fall within a preset range. An interval between each two adjacent anti-pads of the via of the PCB to designed is determined according to the recorded number and the thickness of the PCB to be designed.

System and method for designing via of printed circuit board

A computing device and a method for scattering parameter equivalent circuit reads a scattering parameter file from a storage device. A non-common-pole rational function of the scattering parameters in the scattering parameter file is created by applying a vector fitting algorithm to the scattering parameters. Passivity of the non-common-pole rational function is enforced if the non-common-pole rational function does not satisfy a determined passivity requirement.

Computing device and method for enforcing passivity of scattering parameter equivalent circuit

In a method for testing the charging and discharging reliability of a rechargeable battery, a test device measures the battery to obtain first terminal voltages and first electric currents when the battery is charged by a power supply. After the battery is discharged, the test device measures the battery to obtain second terminal voltages and second electronic currents. Based on the first terminal voltages and the first electric currents, a first lifecycle curve can be created. Based on the second terminal voltages and the second electric currents, a second lifecycle curve is created. The method compares the first lifecycle curve with a charging lifecycle curve, compares the second lifecycle curve with a discharging lifecycle curve, and generates a lifecycle estimation report of the rechargeable battery according to the comparison results.

Computing device and method for testing charging and discharging reliability of rechargable battery

A cloud server and method controls one or more robots. The cloud server receives location information of each robot. A robot closest to a task location where a task is taken according to the location information. The cloud server of the data center sends a command to the located robot to move to the task location, where the command defines a task of the located robot to perform.

Robot control system and method

A computer determines a first origin of a first coordinate system of a PCB, and controls a robotic arm to position a probe above the first origin. Furthermore, the computer determines a second origin of a second coordinate system of the robotic arm, and determines displacement values from the first origin to a test point in controlling movements of the robotic arm in the second coordinate system. A graph representing the test point is recognized in an image of the PCB, pixel value differences between the graph center and the image center are determined and converted to displacement correction values for controlling the movements of the robotic arm and determining 3D coordinates of the test point. The robotic arm is moved along a Z-axis of the second coordinate system to precisely position the probe on the test point of the PCB.

Control computer and method of controlling robotic arm

A robot arm includes a support arm, an adjusting rod and a detecting unit. The adjusting rod rotatably extends through the support arm. The detecting unit is attached to the adjusting rod. The detecting unit includes an image capture device and a probe device. The image capture device captures images of a workpiece. The probe device includes a driving device and a probe. The driving device may drive the probe to move between a first position where the probe does not visually prevent images of the workpiece being captured by the image capture device, and a second position where the probe does block the images of the workpiece being captured by the image capture device.

Robot arm and detecting device having same

A system and method for checking a ground via of control chips of a printed circuit board (PCB) provides a graphical user interface (GUI) displaying a layout of the PCB. The control chip has a plurality of ground pins. The computer searches for signal path routing of each ground pin and ground vias along each signal path routing of each ground pin. If there are any ground vias having the same absolute coordinates, the computer determines that the ground vias are shared by more than one ground pin.

System and method for checking ground vias of a controller chip of a printed circuit board

A signal transmission line check method to be executed by a computing device is described. A to-be-checked signal transmission line group in a displayed printed circuit board (PCB) layout is determined. Whether all signal transmission lines of the to-be-checked signal transmission line group are laid out in a same layer of the displayed PCB layout is checked according to an input serial number of a chipset and layer properties of the to-be-checked signal transmission lines. The signal transmission lines that do not satisfy design standards are determined when not all of the to-be-checked signal transmission lines are laid out in a same layer. A related computing device is also disclosed.

Computing device and method for checking signal transmission line

A direct current compensation method for S-parameter rational functions reads S-parameters f(sk), which are generated at given frequency sk, from a storage unit. An S-parameter, which is generated at frequency sk=0 is supplemented into the S-parameters f(sk), upon the condition that there is no S-parameter which is generated at the frequency sk=0. An S-parameter ration function is generated according to the S-parameters f(sk). A DC level of the S-parameter rational function is compensated to generate a compensated S-parameter rational function.

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Taipei Hsien, Taiwan

Shou-Kuo Hsu