34results about How to "Shield signal interference" patented technology

The invention relates to an integrated touch display panel and a touch display device thereof. A shielding structure is arranged on an array substrate of the integrated touch display panel disclosed by the invention, and the shielding structure comprises a plurality of first shielding electrodes that extend along a first direction and are arranged along a second direction and between two adjacent touch drive electrodes. Compared with the prior art, the integrated touch display panel disclosed by the invention can better shield signal interference and coupling interference between any two adjacent touch drive electrodes, thus preventing poor touch caused thereby and increasing the signal-to-noise ratio and touch precision.

The invention discloses a top-speed charging wire and belongs to the field of charging wires. The top-speed charging wire comprises at least two top-speed transmission wires and a covering layer, wherein the covering layer covers the transmission wires. The top-speed charging wire provided by the invention has the characteristics of good insulating effect, excellent signal shielding effect and rapid transmission speed.

A liquid crystal grating and a manufacturing method thereof, and a 3D display device. The method comprises: according to a first preset pattern, forming a conductive layer (808) and an alignment mark (812) on an upper surface of an upper substrate (801); forming a first insulating layer (809), a touch electrode layer (810) and a second insulating layer (811) in sequence on the conductive layer (808); forming a surface electrode (805) on a lower surface of the upper substrate (801), the surface electrode (805) being grounded; and performing cell-alignment for the upper substrate (801) and a lower substrate (802) according to the alignment mark (812) to form a liquid crystal grating, an upper surface of the lower substrate (802) having a strip electrode (806). The lower surface of the upper substrate (801) on which the surface electrode (805) is formed, is opposite to the upper surface of the lower substrate (802).

The invention discloses a data automatic point-to-point system and method suitable for multi-link substations. The trigger signal of the simulated sending device is sent to the master station; the telecontrol information automatic calling and checking module actively calls the telecontrol information to the master station , and check the name consistency and point number uniqueness, and complete the basic check of the telecontrol information of each link; the message interaction module builds a dedicated automatic point-to-point message channel between the front and back of the master station, and sends The changed data sent from each channel of the substation and marked with the acceptance mark is sent to the background automatic point-to-point module; the automatic point-to-point module caches, filters, sorts and judges the received data to be inspected according to whether it has the acceptance mark, so as to realize the transmission of the substation Change data dynamic comparison function. The invention has the advantages of short project implementation period, low manpower coordination requirements, little impact on the operating system, low modification difficulty, high monitoring and acceptance efficiency, and the like.

The invention discloses a high fault tolerance real-time signal acquisition system based on Bluetooth communication. The system comprises a slave device which acquires a signal, a main device which receives and processes the signal and a customized Bluetooth communication protocol. When the system acquires the signal, accurate time of signal triggering can be calculated. The slave device is responsible for acquiring the signal and triggering time, and communicates with the main device through the customized Bluetooth communication protocol. The main device is responsible for automatic searching, pairing and connection with the slave device, acquiring signal accurate triggering time through calculating present communication delay, determining problems of packet loss, packet error and the like. The customized Bluetooth communication protocol shields signal interference in practical application through heartbeat detection and delay measurement, signal data packaging, a packet loss prevention communication mechanism and the like.

The invention discloses a board-to-board connector with high data transmission rate and anti-signal interference, which comprises an insulating base, a first group of signal terminals, a second group of signal terminals, an isolator and a reinforcing frame; the isolator is arranged on the The inner side of the insulating base; the first group of signal terminals and the second group of signal terminals are located on opposite sides of the isolator; the reinforcing frame includes a first reinforcement part and a second reinforcement part; the isolator It includes a first isolation part, a second isolation part and a first groove; the end of the first isolation part forms a first bending arm along the direction where the first group of signal terminals is located; the end of the first isolation part It can be connected with the first reinforcing part through the three connection methods of the present invention, which can better shield the internal signal interference effect of the first group of signal terminals and the second group of signal terminals. The invention has the advantages of high data transmission rate and stable signal transmission.

The embodiment of the present invention relates to a signal isolator device. The device includes: an inner core, used to connect the signal line of the set-top box and the signal line of the TV cable; a feedthrough capacitor, which is ring-shaped and sleeved outside the insulating medium coated on the outer surface of the inner core, including the first contact surface , the second contact surface and the capacitance placed between the first contact surface and the second contact surface; the shell, including: the male end shell, used for the connection between the first contact surface and the ground wire of the set-top box; the female end shell, Used for the connection between the second contact surface and the ground wire of the TV cable; so that the DC signal between the ground wire of the set-top box and the ground wire of the TV cable is isolated by the feedthrough capacitor, and the ground wire of the set-top box and the ground wire of the TV cable The first AC signal between them is conducted through the feedthrough capacitor. The signal isolation device of the invention effectively shields the signal interference caused by the potential difference between the ground wire of the power grid and the ground wire of the cable TV network, and improves the viewing effect of the user.

The invention provides a terminal device, the terminal device comprises a circuit board, an antenna and a component, the antenna and the component are respectively located at two sides of the circuitboard, the component is mounted on the circuit board, and a grounding part is arranged on a position in at least part region corresponding to the component on the circuit board. The invention also provides a circuit board. According to the terminal device provided by the invention, the grounding part is arranged at a part where the element is mounted on the circuit board, thus, signal interferenceof the component to the antenna at the other side of the circuit board can be shielded, and spurious radiation of the antenna is reduced.