3results about How to "Improve crosstalk" patented technology

A transition device is used to transmit high-speed signals, and the transition device includes a main board, a first signal pair and a second signal pair. The main board includes a surface layer and a specific layer, and the specific layer is located in a different plane from the surface layer. The first signal pair includes a pair of first wire segments and a plurality of first end points, the plurality of first end points respectively correspond to both ends of each of the pair of first wire segments, and the pair of first wire segments and the plurality of first end points are located in the surface layer. The second signal pair includes a pair of second wire segments and a plurality of second end points, the plurality of second end points respectively correspond to both ends of each of the pair of second wire segments, the plurality of second end points are located in the surface layer, and the pair of second wire segments are located in the specific layer.

The invention discloses a data voltage control circuit and a display panel, and relates to the technical field of display, the circuit comprises a polarity duration determination module, a polarity control signal is accessed to a first end, a data voltage is accessed to a second end, and under the control of the polarity control signal, positive polarity duration data and negative polarity duration data of the data voltage are determined; the first end of the polarity duration comparison module is connected with the third end of the polarity duration determination module, and positive polarity adjustment data and negative polarity adjustment data are respectively determined based on the positive polarity duration data and the negative polarity duration data; the first end of the data voltage adjusting module is connected with the second end of the polarity time length comparison module, the second end of the data voltage adjusting module is connected with data voltage, and the data voltage adjusting module is used for adjusting the positive polarity hopping time length based on the positive polarity adjusting data and adjusting the negative polarity hopping time length based on the negative polarity adjusting data so that the positive polarity hopping time length can be equal to the negative polarity hopping time length. According to the invention, the screen crosstalk is improved by optimizing the design of the data voltage control circuit.

This invention discloses an optical path system for an optical switch, comprising: a first single-axis crystal, a second single-axis crystal, a polarization combining prism, a total internal reflection prism, a first fiber collimator, a second fiber collimator, a third fiber collimator, a motor, and a motor controller; both the first and second single-axis crystals are cylindrical and placed with their optical axes aligned; the polarization combining prism and the total internal reflection prism are applied to radially symmetrical positions on the exit circular surface of the second single-axis crystal, and the two prisms are placed perpendicularly, with the polarization combining prism on top and the total internal reflection prism on the bottom; the first fiber collimator is located at the input end on the incident circular surface of the first single-axis crystal, the second fiber collimator is located at the output end on the exit circular surface of the second single-axis crystal, and the third fiber collimator is located at the output end of the polarization combining prism; the motor controller is used to control the rotation of the motor, thereby controlling the rotation of the second single-axis crystal.