108results about How to "Avoid Signal Crosstalk" patented technology

The invention provides a photoelectric conversion device, in which a decrease in sensitivity and a crosstalk between wirings are suppressed. Plural pixel columns are arranged in one direction, plural pixels are arranged in a different direction to the one direction in a column manner in the pixel column, and the pixel includes a photodiode PD, a reset transistor M4 for resetting the photodiode PD, and a source follower input transistor M3 for receiving a signal from the photodiode PD. An independent readout wiring 16 is individually provided for each pixel. The reset transistor M4 and the source follower input transistor M3 included in one pixel column or another pixel column are arranged between the photodiode column in one pixel column and the photodiode column in another pixel column arranged adjacent to the one pixel column.

The present invention discloses a flat cable, which comprises signal unit sets and the insulating layer which wraps and fixes the signal unit set. The signal unit set is formed by at least two signals units arranged substantially on the same plane at an interval or side by side. The left and right sides of the signal unit set are directly wrapped by insulating layers. The insulating layer is formed by splicing and bonding at least one insulating film, and the splicing points at two ends of the insulating film are located on the upper side or the lower side of the signal unit set. In the flat cable of the present invention, the length of the overlapping portion can be set as required, effectively preventing the phenomenon such as insulating film tear and short circuit caused by insulating film tear.

The invention discloses a high-speed backplane connector with a circuit board, which is provided with a rectangle shielding interface and comprises an insulating fixed shell, an auxiliary fixed shell, a plurality of veneers, a plurality of signal contact members, a plurality of pressed-on feet, a plurality of rectangular shielding pieces and a plurality of circuit board transmission bodies. The conductive coating of the circuit board is applied to realize high-speed transmission of differential signals, thus avoiding signal crosstalk incurred by the general use of the middle part of the differential signal contact member. The connector of the invention is characterized by simple structure, superior electric performance and high-quality work.

The invention discloses a back side illumination image sensor and a method for reducing the dark current of the back side illumination image sensor. The back side illumination image sensor comprises a photodiode, a first conductive type isolated layer, a gate structure of a pass transistor, and a floating diffusion zone, wherein the gate structure corresponds to the first conductive type isolated layer and is formed on the upper surface of a first conductive type semiconductor substrate, the gate structure comprises a gate oxide, a grid layer and a grid side wall, the gate structure correspondingly covers the photodiode, and the floating diffusion zone is formed in the first conductive type semiconductor substrate and is provided with second conductive type heavy doping. In the back side illumination image sensor, the defects do not easily appear at the portion, over the photodiode, of the surface of the first conductive type semiconductor substrate, and therefore the dark current is effectively prevented from being produced.

The invention relates to an electroencephalogram acquisition wet electrode. The electroencephalogram acquisition wet electrode comprises a shell, a base, a spherical substrate and an electrode column,the shell is fixed to the upper end of the base, and the spherical substrate is installed on the junction of the shell and the base and can universally move on the junction; the electrode column is installed at the lower end of the spherical substrate and can move vertically relative to the spherical substrate. The structural form of the combination of axial retracting and drawing of the electrode column and slant center adjustment of the spherical substrate is adopted, the flexibility of the electrode is improved, and the degree of fitting of curvature of the electrode and a scalp contact isimproved; meanwhile, the electrode has the function that insulation is stopped after a conducting medium is injected, it is avoided that the conducting medium is communicated with the parts among multi-channel electrodes, signal interference is avoided, the function can be utilized to simultaneously and automatically inject the conducting medium to the multi-channel electrodes through a conducting medium supply source, and effective monitoring and acquisition of an electroencephalogram for a long time are achieved.

The invention discloses a distribution area household meter phase relation inspection method based on a voltage time sequence. A dynamic time of an electric parameter corresponding to a piece of voltage data of a distribution area general meter and a user electricity meter is adjusted, a three-phase voltage base curve and a three-phase user electricity meter curve are constructed separately, the three-phase voltage base curve and the three-phase user electricity meter curve are analyzed and compared, whether a curve vector similarity of the three-phase voltage base curve and the three-phase user electricity meter curve is greater than 90% is determined, and a three-phase user phase relation matrix is generated when the curve vector similarity is greater than 90%. Beneficial effects of theinvention are that: the method effectively resolves a problem of inaccuracy of a user electricity meter phase recognized by a low voltage carrier, and effectively implements an issue of time sequencecomparison of multiple meters.

Disclosed are an imaging pixel, an image acquisition device, a fingerprint acquisition apparatus, and a display apparatus supporting an acquisition function. The imaging pixel includes a cavity (1) in which an optical-to-electrical conversion unit is accommodated. A light blocking film (3) with a light transmission pinhole (2) covers over the cavity (1), and a transparent medium layer (4) and a microlens (5) are sequentially disposed on the light blocking film (3) from bottom to top. The microlens (5), the transparent medium layer (4), and the light transmission pinhole (2) are provided so that the imaging pixel has an object-side field of view (6) with a confined angle of view. An image point or an image spot of an object point within the object-side field (6) of view falls within the light transmission pinhole (2) of the light blocking film (3); and an image point or an image spot of an object point outside the object-side field (6) of view falls outside the light transmission pinhole (2). The pinhole on the light blocking film and the microlens confine an incident light path, so that the imaging pixel has a narrow field of view. An image acquisition device based on the imaging pixel with the narrow field of view can confine an incident light path without a lens system or a pinhole imaging system, so that it becomes possible that the image acquisition device can become thinner so as to integrate with another device while acquiring a clear image.

The invention relates to an electroencephalogram acquisition electrode based on an electric conduction liquid, belongs to the technical field of brain-computer interfaces, and solves the technical problems that in the prior art, in the use process, a wet electrode is time-consuming and tedious, the continuous use time is short, automatic injection of the electric conduction liquid of multi-channelelectrodes is difficultly achieved, the contact elasticity of the wet electrode and the scalp is poor, and the use comfort level is low. The electroencephalogram acquisition electrode based on the electric conduction liquid comprises a base, a shell, an electrode column, an inlet check valve, an outlet stop valve and a wire, wherein the inlet check valve and the outlet stop valve are arranged onthe two sides of the shell respectively, the electrode column is installed on the base, and a liquid storage cavity is defined by the base and the shell. The inlet check valve and the outlet stop valve can be constructed into a device for separating the electric conduction liquid in the liquid storage cavity from an external electric conduction liquid, and the situation that the electric conduction liquid is conductive to cause signal interference between the multi-channel electrodes can be prevented. By means of the electroencephalogram acquisition electrode, long-time effective acquisition and monitoring of electroencephalogram signals are achieved.

The invention provides a keyboard, terminal equipment and a character input method. The keyboard comprises at least one key device, an energy storing device, a processor and a signal transmitter. Each key device corresponds to one power generating device. The power generating devices are used for converting mechanical energy generated when the corresponding key devices are pressed into electric energy and transmitting the electric energy to the energy storing device. The energy storing device is used for carrying out rectifying and voltage stabilizing on the received electric energy generated by the power generating devices and providing the electric energy with voltage stabilized for the processor. The processor is used for using the electric energy provided by the energy storing device for work, recognizing detection signals received when the key devices are pressed, determining at least one piece of key encoding information, and outputting character information corresponding to the key encoding information through the signal transmitter. The keyboard has an electricity self-generating function, electricity supply of the keyboard is effectively achieved, and then convenience and flexibility of using the keyboard are promoted.

The invention provides a transparent display panel, a display panel and a display device. The transparent display panel includes a plurality of first sub-pixels and a first pixel driving circuit undereach first sub-pixel; each first pixel driving circuit includes a plurality of first transistors and a first storage capacitor; the plurality of first transistors include at least one of a low-temperature polycrystalline oxide transistor and a low-temperature polycrystalline silicon transistor; and the orthographic projection of the low-temperature polycrystalline oxide transistor and/or the low-temperature polycrystalline silicon transistor and the first storage capacitor on the transparent display panel at least partially overlaps. The up-and-down stacking can reduce the area occupied by alow-light-transmittance area, and ensure the light-transmittance of the transparent display panel.

The invention provides a display device. An indicator lamp area composed of multiple pixels is arranged on a display panel so that a traditional indicator lamp located in a frame can be replaced. Compared with the prior art, the bezel narrowing and a high aperture ratio of the display device are easily achieved; elements such as indicator lamps and signal controllers do not need to be independently purchased, and therefore purchase expenses are reduced; space for elements such as signal controllers of indicator lamps does not need to be reserved on a circuit main board of the display device, and therefore containing space of other elements is added, and signal crosstalk is avoided.

The invention discloses a microwave source phase noise measuring device based on a bidirectional optical phase modulator, which comprises a microwave power divider, a laser, an optical circulator, a first branch, a second branch, an optical coupler, a photoelectric detector and a signal analysis device. A bidirectional optical phase modulator, a first fiber bragg grating and a single-mode fiber are sequentially arranged in the first branch, a second fiber bragg grating and an adjustable optical delay line are sequentially arranged in the second branch, the optical circulator is provided with three ports, and the three ports are respectively connected with the laser, the bidirectional optical phase modulator and the second fiber bragg grating. According to the invention, the single bidirectional optical phase modulator is utilized to realize a full-optical-domain frequency mixing function, so that the use of an electric frequency mixer is avoided, and the use of active devices such as a microwave amplifier is reduced. The device has the advantages of simple structure, low cost, large working bandwidth and flat response, the noise floor of the phase noise measuring system is reduced, and the measuring precision and sensitivity are improved.

The invention discloses an MEMS ultrasonic positioning sensor. The MEMS ultrasonic positioning sensor comprises an upper layer substrate (3), a Helmholtz resonant cavity (2) formed in the upper layersubstrate (3), a piezoelectric ultrasonic emission unit (9) located on the upper layer substrate (3), an ultrasonic receiving unit (1) located at the bottom of the Helmholtz resonant cavity (2), wherein at least one through hole communicating with the Helmholtz resonant cavity (2) is formed in the piezoelectric ultrasonic emission unit (9), the resonant frequency of the Helmholtz resonant cavity (2) is the same as that of the piezoelectric ultrasonic emission unit (9), and the resonant frequency of the ultrasonic receiving unit (1) is greater than or equal to that of the piezoelectric ultrasonic emission unit (9). The MEMS ultrasonic positioning sensor can improve the energy conversion efficiency of the sensor and avoid crosstalk of the sensor.

The invention relates to the field of high-voltage connectors and particularly relates to a novel soft-connection high-voltage connector, which comprises a soft copper bar, a wiring terminal and a cable, wherein the soft copper bar comprises an elastic arm. The novel soft-connection high-voltage connector is characterized in that the soft copper bar is connected with the wiring terminal; the matched plug part at the front end of the wiring terminal is connected with the soft copper bar; and the connection part at the rear end of the wiring terminal is connected with the cable; the elastic arm is arranged in the middle of the soft copper bar and can be bent in a certain angle range. The novel soft-connection high-voltage connector has the beneficial effects that the high-voltage connector adopts connection between the soft copper bar and the cable, the connector can be bent in a certain angle range, contact is more reliable, use and mounting dynamism of products can be improved, and the product can be used more user-friendly, and in addition, the size of the product is reduced, inner resistance of the product is reduced, and energy consumption is effectively reduced.

The invention provides a mobile terminal. The mobile terminal comprises an NFC antenna; the NFC antenna comprising a feed source, and an inductor and a capacitor which are connected with the feed source and are connected in parallel; the NFC antenna further comprises one or more from a first distributed inductor, a second distributed inductor, a third distributed inductor and a fourth distributedinductor; the first distributed inductor is positioned between the feed source and the inductor; the second distributed inductor is positioned between the inductor and a first grounding point; the third distributed inductor is positioned between the feed source and the capacitor; the fourth distributed inductor is located between the capacitor and a second grounding point, the inductor comprises alumped inductor and a metal section connected with the lumped inductor in series, the distributed inductors can enlarge the loop area of the NFC antenna, then the magnetic flux is increased, the coupling energy is increased, and therefore the performance of the NFC antenna is improved.