131results about How to "Increase the sensing area" patented technology

A method for producing electronic video signals representative of a focused moveable image includs the following steps: providing a charge coupled device, masking substantially less than half of the lines of the device to form a masked storage area and a substantially larger unmasked sensing area; disposing the sensing area in the path of the image; providing a shutter for periodically blocking the image from the sensing area; and providing clocking signals to the device to shift sensed lines of the image from the sensing area to the storage area and to clock image representative electronic video signals out of the device.

A saw cover safety sensing device comprises a protecting cover; a sensing controller at one side of the protecting cover; a control circuit within the sensing controller; the control circuit serving for receiving electric static signals from a human body and emitting control signals; the sensing controller further comprising a power switch, at least one batteries, a plurality of LED lights and a transparent cover; at least one signal sensing wire connected to the sensing controller; each signal sensing wire having a metal foil sheet; one surface of the metal foil sheet being coated with glue so that the metal foil sheets and the signal sensing wires are adhered to the protecting cover; the signal sensing wire and metal foil sheets serving for detecting electric static signals emitted from a human body; and a buzzer connected to the sensing controller; the buzzer buzzes in response to electric static signals.

A manufacturing method of a thin film transistor array substrate incorporating the manufacture of a photo-sensor is provided. In the manufacturing method, a photo-sensing dielectric layer is formed between a transparent conductive layer and a metal electrode for detecting ambient light. Since the transparent conductive layer is adopted as an electrode, the ambient light can pass through the transparent conductive layer and get incident light into the photo-sensing dielectric layer. Therefore, the sensing area of the photo-sensor can be enlarged and the photo-sensing efficiency is improved. In addition, the other side of the photo sensitive dielectric layer may be a metal electrode. The metal electrode can block the backlight from getting incident into the photo-sensing dielectric layer and thus reduce the background noise. A manufacturing method of a liquid crystal display panel adopting the aforementioned thin film transistor array substrate is also provided.

The invention relates to a duplex touch pad, which is spliced by combining a capacitance-type touch pad unit and a resistance-type touch pad unit to form a combined touch pad body, thereby enabling the combined touch pad to have a touch induction interface of the capacitance-type touch pad and the resistance-type touch pad. Touch induction signals of the two touch pad units of the combined touch pad are transmitted to a signal processing unit, the signal processing unit at least provided with one signal discrimination circuit discriminates types of touch induction signals transmitted by the capacitance-type touch pad unit and / or the resistance-type touch pad unit, automatically selects a suitable signal processing mode and non-interlaced signal processing steps. The capacitance-type touch pad unit is respectively provided with a plurality of transparent stitches which are equidistant and are arrayed parallelly at a first axial stitch and a second axial stitch, thereby enabling the first axial stitch and the second axial stitch to be perpendicularly intercrossed, separated from and opposite to each other. Expanded induction surfaces are respectively arranged on intercrossed junctions of the first axial stitch and the second axial stitch, thereby increasing the luminousness uniformity of the working area of the touch pad.

The invention discloses a traffic flow visual inspection method. Traffic scene image sequences are acquired through electronic monitoring in real time, a traffic scene weather condition environment is sensed by an illumination intensity sensor, a temperature sensor and a humidity sensor, daytime / night, fine day / rainy day / normal day and other weather conditions are judged, and illumination and shadow pretreatment is performed correspondingly. Running distances are restrained according to traffic rules, meanwhile lane departure phenomenon caused by overtaking and passing-by in the actual vehicle running is considered, double virtual lines are arranged at the same horizontal positions of all of lanes within a monitoring range in images, vehicle positions are quickly detected and positioned by utilizing double-template matching convolution in a double virtual line detecting region, 'one-to-more' and 'more-to-one' phenomena are eliminated, and wrong detection and wrong judgment are decreased. Intervals of vehicles in the horizontal direction and the vertical direction are judged and identified, vehicle target positions are restrained according to the horizontal and vertical position information of the vehicles and correctly positioned, normally running vehicles are counted, traffic flow statistic is performed, and the problem of inaccurate traffic flow counting is solved. The traffic flow visual inspection method has high detecting accuracy and good anti-interference performance and real-timeliness.

A capacitance sensing structure includes a substrate, a sensing electrode layer, at least one stack layer and a conductive body. The sensing electrode layer is formed on or in the substrate. The stack layer is formed on the sensing electrode layer. The conductive body is disposed over and corresponding to the sensing electrode layer and the stack layer.

A wiring structure of a single layer of indium tin oxide (ITO) comprises a plurality of first touch electrodes and a plurality of second touch electrodes. The first touch electrodes and the second touch electrodes are used for obtaining position coordinates in the first direction and position coordinates in the second direction respectively, and the first direction is perpendicular to the second direction. The first touch electrodes comprise a plurality of V-shaped main touch electrodes which are arranged sequentially in the second direction and electrically connected. Gaps are formed between adjacent main touch electrodes. The second touch electrodes are arranged in the gaps between the adjacent main touch electrodes and electrically connected with the second touch electrodes arranged in the first direction. By means of the wiring structure of the ITO, the main touch electrodes of the first touch electrodes are designed to form a V shape, the second touch electrodes fill the gaps between the adjacent main touch electrodes, induction area can be increased, matching performance is better, and linearity is better.

An acoustic sensor integrated MEMS microphone structure and a fabrication method thereof. A diaphragm (3e) and back-pole (7) which forms a condenser structure are formed on a substrate (1) having at least one recessed slot (1a) on the top. A sensitive electrode is formed on the substrate (1), the sensitive electrode comprising a fixed portion (3b) fixed on the substrate (1) via a sacrificial layer (2), and a bending portion (3a) inserted into the recessed slot (1a), wherein the bending portion and the side wall of the recessed slot form the condenser structure. The integrated structure integrates the condenser structure of the microphone and condenser structure of the acoustic sensor on a substrate (1), thereby increasing the integration level thereof and reducing the overall size of the package. Meanwhile, the microphone diaphragm (3e) and the sensitive electrode of the acoustic sensor can be fabricated on a same substrate (1) at the same time, from the same material, and using the same fabricating process to increase production efficiency.

The invention discloses a touch display device and a display screen thereof. The display device comprises the display screen and a processing unit which is electrically connected with the display screen, wherein the display screen comprises a plurality of pixel units; each pixel unit comprises a fixed substrate, at least one supporting block, a mirror plane and at least one sensor; the mirror plane is semi-transparent, semi-reflecting and deformable; a high-reflecting film is coated on an internal surface of the fixed substrate; the supporting block is fixed on the fixed substrate and pressedagainst the back of the mirror plane to keep a predetermined distance between the fixed substrate and the mirror plane; the sensor is fixed on an observation plane of the mirror plane; a touch objectpresses the mirror plane to make the mirror plane deformed; the sensor senses deformation to generate resistance or voltage variation; and the processing unit determines a touch position according toa resistance or voltage variation value. In the invention, sensing area is increased by arranging the sensor on each pixel unit of the display screen, so the sensitivity of a touch screen is improved.

A single layer indium tin oxide (ITO) wiring structure comprises a plurality of first induction electrodes and a plurality of second induction electrodes, the first induction electrodes are mutually connected correspondingly in a row direction, the second induction electrodes are mutually connected correspondingly in a column direction, and the second induction electrodes are nested in the first induction electrodes. Due to the fact that second induction electrodes are nested in the first induction electrodes, the single layer ITO wiring structure is large in induction area, more sensitive in induction and good in linearity.

An apparatus and system for detecting and measuring particles entrained in an air stream. The apparatus and system include an enclosure configured to define an aerosol sampling path and an optical path. The aerosol sampling path allows an air stream having entrained particles to pass therethrough. The aerosol sampling path intersects with the optical path. The intersection defines a sensing region. The sensing region may use a band pass filter to improve signal to noise ratio. At least one flow rate sensor may be located near the sensing region. A light source provides a light beam along the optical path. The light beam intersects with the air stream in the sensing region, wherein the light beam may be scattered by entrained particles contained in the aerosol sampling path.

An interference-free fingerprint identification device includes a TFT substrate, a TFT layer having plural TFTs, a sensing electrode layer having plural fingerprint sensing electrodes, a gate line layer having plural gate lines, a data line layer having plural data lines, and a first shielding layer. Each fingerprint sensing electrode corresponds to a plurality of the TFTs, and is connected to sources or drains of at least two corresponding TFTs. At least two gate lines are electrically connected to gates of a plurality of the TFTs corresponding to a fingerprint sensing electrode. Each data line is electrically connected to a source or drain of a TFT in a plurality of the TFTs corresponding to a fingerprint sensing electrode. The first shielding layer is electrically connected to a source or drain of a TFT in a plurality of the TFTs corresponding to each fingerprint sensing electrode.

The invention provides a touch type liquid crystal display panel and a touch type liquid crystal display device. The touch type liquid crystal display panel comprises a color filter substrate, an array substrate, a plurality of gate lines, a plurality of data lines, a touch layer and a conductive layer. The data lines and the gate lines intersect mutually and are distributed by insulating mutually, and an area formed by enclosing of each two adjacent data lines and each two adjacent gate lines intersecting with the two adjacent data lines forms a pixel unit. The touch layer made of metal materials is positioned on the color filter substrate, and the conductive layer made of transparent conductive materials is positioned on the touch layer and contacts with the touch layer electrically. Inductive electrodes and drive electrodes are arranged on the touch layer, each of the inductive electrodes and the drive electrodes comprises a vertically-arranged wire and a horizontally-arranged wire, a perpendicular space is kept between each vertically-arranged wire and the corresponding data line, each vertically-arranged wire and the corresponding data line are in superposed arrangement in the perpendicular direction, a perpendicular space is kept between each horizontally-arranged wire and the corresponding gate line, each horizontally-arranged wire and the corresponding gate line are in superposed arrangement in the perpendicular direction, and one end of each horizontally-arranged wire is electrically connected with the corresponding vertically-arranged wire. Touch precision of the touch type liquid crystal display panel can be improved.

The invention discloses a mutual shielding type electric field sensor based on torsional vibration. The mutual shielding type electric field sensor comprises a substrate, an electric field sensing structure, torsional elastic beams connected with movable torsional electrodes and a driving structure, wherein the electric field sensing structure comprises at least one group of fixed electrodes and movable torsional electrodes, the fixed electrodes and the movable torsional electrodes are sensing electrodes and are mutual shielding electrodes, namely the fixed electrodes and the movable torsionalelectrodes produce relative movements and are mutually shielded when the movable torsional electrodes perform torsional vibration, and meanwhile the fixed electrodes and the movable torsional electrodes produce sensing charge change. The driving structure drives the movable torsional electrodes to perform torsional vibration around the torsional elastic beams, so that relative position change isproduced between the fixed electrodes and the movable torsional electrodes. The electric field sensor is simple in structure, small in size, high in sensing efficiency, wide in use range, suitable forcommon machining and micromachining technology preparation, easy to assemble and integrate and suitable for batched-type and large-scale production.

The invention relates to a high-vacuum high-speed rotating magnetic transmission device of a friction testing machine. The high-vacuum high-speed rotating magnetic transmission device comprises an outer driving shaft, an inner driven shaft, an inner permanent magnet, an inner permanent magnet fixing seat, an outer permanent magnet, an outer permanent magnet fixing seat, a rotating disc, a bearing support, a quartz separation component and a loading rod. The inner permanent magnet fixing seat is fixed to the lower portion of the inner driven shaft, and the inner permanent magnet is fixed to the lower portion of the inner permanent magnet fixing seat. The outer permanent magnet is opposite to the inner permanent magnet and fixed to the upper portion of the outer permanent magnet fixing seat, the outer permanent magnet fixing seat an the outer driving shaft are fixedly connected, and the inner permanent magnet and the outer permanent magnet are separated through the profiled quartz separation component. The quartz separation component and the bearing support cooperate to seal the inner driven shaft, the inner permanent magnet fixing seat and the inner permanent magnet in a sealed vacuum space. The outer driving shaft and the inner driven shaft are coaxially arranged. The rotating disc and the upper portion of the inner driven shaft are fixedly connected in a sealed mode. The loading rod is arranged above the rotating disc, and a friction test piece on the loading rod makes contact with the rotating disc.

The present invention provides a nanowire sensor comprising nanowires, in which the nanowires are stacked to form a three-dimensional structure so that they have a large exposed surface area compared to that of a conventional straight nanowire sensor in the same limited area, thereby increasing the probability of attachment of a target material to the nanowires to thereby increase the measurement sensitivity of the sensor. Thus, a change in the electrical conductivity (conductance or resistance) of the nanowires can be sensed with higher sensitivity, suggesting that the sensor has increased sensitivity.

The invention relates to the field of the display technology and discloses a display device. The display device comprises an array composed of a plurality of driving electrodes and a plurality of sensing electrodes, and the driving electrodes and the sensing electrodes are of the same structure, the structure comprises a T-shaped electrode main body and a plurality of symmetrically-distributed electrode branch bodies connecting the electrode main body to form a first sub electrode and a second sub electrode which are symmetric to each other; every sensing electrode comprises a first sensing electrode and a second sensing electrode, which are arranged between every two of the corresponding three neighboring driving electrode respectively; the electrode branch bodies of every driving electrode are arranged inside the gap of the neighboring electrode branch bodies of the neighboring sensing electrode. The invention also discloses a touch display device. According to the display device, by means of the graphic structure of a sensing layer and the staggered arrangement mode of the driving electrodes and the sensing electrodes, the sensing area between the driving electrodes and the sensing electrodes can be enlarged, and better capacitive coupling among the electrodes can be obtained.

The invention discloses a stylus pen, comprising a penholder, a writing point and an elastic element, wherein, the penholder and the writing point are connected into a carrier which can transmit the induction current of human bodies; the writing point comprises a first pen point and a second pen point which connects the penholder and the first pen point, and the first pen point is thinner than the second pen point; one end of the first pen point is provided with a first writing surface; one end of the second pen point is provided with a second writing surface the touch screen of which generates capacitance; the second pen point forms a cavity along the axis of the stylus pen for the first pen point to pass through flexibly; and the elastic element is arranged in the cavity between the penholder and the first pen point. The stylus pen can be accurately located on the touch screen through the first pen point, can be retracted into the second pen point through the retractable first pen point to lead the writing surface of the first pen point and the writing surface of the second pen point to form a complete writing surface, so as to increase the capacitance between the stylus pen and the touch screen, thus the touch screen system can detect touch events to realize handwritten input.

The invention discloses an induction type automatically photographing digital camera and an automatically photographing method thereof. The digital camera comprises a photographing lens (1), a first thermoelectric infrared sensor (2), a second thermoelectric infrared sensor (4) and a first Fresnel lens (3) which is arranged in the forefront, wherein the capture region of the photographing lens (1) is completely covered on the induction region of the first thermoelectric infrared sensor (2); the induction region of the second thermoelectric infrared sensor (4) is completed covered on the capture region of the photographing lens (1); and the first Fresnel lens (3) is covered on the induction region of the second thermoelectric infrared sensor (4). Compared with the prior art, the method enlarges the total induction region of the thermoelectric infrared sensors to save the preparing time of waking up the camera, so that the required time from the first thermoelectric infrared sensor inducing a moving target to the camera photographing the moving target is greatly reduced, and the moving target is ensured to be positioned in the capture region of the photographing lens, thereby ensuring that the moving target is positioned in the center of the picture.

The invention relates to the field of fingerprint identification and discloses a sensing unit scanning method and a fingerprint identification method of a fingerprint identification sensor. The sensing unit scanning method of the fingerprint identification sensor comprises the following steps of A, simultaneously scanning a sensing unit currently in a working state and a plurality of sensing units around the currently-working sensing unit to obtain scanning results; B, finding out a sensing unit working in a next time sequence and a plurality of sensing units around the sensing unit working in the next time sequence according to a present sequence; C, repeating steps A and B until scanning of all the sensing unit needs to work finished. According to the sensing unit scanning method of the fingerprint identification sensor, the number of the sensing units which can be scanned with the currently-working sensing unit simultaneously can be increased, sensing area during scanning each time can be expanded, by means of the improvement in scanning methods of the sensing units, sensing areas during scanning each time can be increased, sensitivity of the fingerprint identification sensor can be improved and user experience can further be improved.

The invention discloses a touch module and a display device. The first electrode and the second electrode are adjacent to each other and are electrically connected with each other. The compensation electrode is insulated from the second electrode. The sensing areas of the first electrode and the second electrode are increased. In this way, before touch control, touch control is carried out, a first capacitance value is arranged between the first electrode and the second electrode; a second capacitance value is arranged between the compensation electrode and the second electrode. Namely, the capacitance value before touch control is the sum of the first capacitance value and the second capacitance value. Compared with the prior art, the capacitor before touch control is only a first capacitance value coupled between the first electrode and the second electrode. According to the touch module, the capacitance value before touch is large, and the difference between the capacitance values generated after a user touches the touch module is not large, so that the variation of the capacitance value after touch can be increased by increasing the capacitance value before touch, and the touchsensitivity of the touch module is improved.

A microbolometer pixel and a reduced-step process for manufacturing it comprising the step of ion implantation of vanadium oxide whereby VOx is converted to a low resistivity mixed phase vanadium oxide (VOx / V2O3 / VO / V) in the leg, metallized support post, and detector contact areas. Masking maintains high temperature coefficient of resistance (TCR) VOx in the sensing portion of the pixel bridge region. The implanted area resistivity and TCR can be controlled by ion implantation dose and energy.

The invention discloses a display panel and a display device. The display panel comprises a display region and a non-display region and also comprises a substrate, a pixel unit and biometric feature identification units, wherein the pixel unit and the biometric feature identification unit are arranged at the display region, the display region comprises a plurality of pixel regions, the plurality of pixel regions are arranged in an array way, each pixel region comprises a plurality of pixel units and at least one biometric feature identification unit, the plurality of pixel units in each pixelregion are arranged in a way encircling at least one biometric feature identification unit, each pixel unit comprises a plurality of sub-pixels, the corresponding sub-pixels in arbitrary two adjacentpixel units are symmetrically arranged, the corresponding sub-pixels in two adjacent pixel units can share an opening of a mask, and thus, the process accuracy and the cost of the high-accuracy metalmask can be reduced; and moreover, the biometric feature identification units are arranged in each pixel region, the sensing areas of the biometric feature identification units can be expanded, and the performance of the biometric feature identification units is improved.

The process of preparing carbon nanotube / silicon nest array includes the following steps: setting P-type monocrystalline silicon chip inside a autoclave, and filling solution of 8.00-22.00 mol / l concentration hydrofluoric acid and 0.01-0.50 mol / l ferric nitrate solution to etch at 50-200 deg.c for 10 min to 36 hr to preparing silicon with nanometer pore array as the substrate material; setting the substrate material inside a tubular furnace, heating to 500-1200 deg.c in protective atmosphere, feeding carbon source solution with dissolved organic metal salt along with the carrier gas to in-situ grow carbon nanotube for 1-60 min, and cooling to room temperature under the protection of gas to obtain carbon nanotube / silicon nest array with field emitting and humidity sensing functions. The carbon nanotube / silicon nest array device has the performance as shown, and the preparation process is simple and high in repetition rate.

The invention discloses a 4F system-based novel angle modulation SPR (Surface Plasmon Resonance) imaging system. According to the 4F system-based novel angle modulation SPR imaging system disclosed by the invention, when angle scanning is carried out by a scanning galvanometer, P polarized light emitted to a first 4F system can be kept in parallel incidence and emergence, and the position of a spot formed by irradiating incident light to a sensing film is always kept unchanged no matter how the angle of the incident light changes; a second 4F system is added in a reflection light path, an imaging position of a receiver is enabled not to move at different angles, the stability is good, and the imaging quality is high, so that an SPR excitation and detection zone during a scanning process is always enabled to be the same and unchanged, a sensing zone on the sensing film can be increased, a sensing surface is enabled to have good sensing consistency, quick detection can be effectively realized, and the requirement on high-sensitivity detection during a quick detection process can be met; further, the 4F system-based novel angle modulation SPR imaging system also has the advantages of simple structure, small size and the like.

The invention relates to a wiring structure of an induction layer. The induction layer comprises a plurality of touch electrode groups which are longitudinally arranged, wherein each touch electrode group comprises two opposite touch electrodes; each touch electrode comprises a main body; the longitudinal width of each main body is reduced gradually from one end to the other end; and at least one bump is formed on the opposite edges of each main body and formed at the end with the smaller longitudinal width of each main body. The bump is formed at the end with the smaller longitudinal width of each touch electrode, so that an induction area is increased, and edge coordinates are easier to detect.

The invention discloses a touch screen, a manufacturing method thereof, a touch response method and a touch device, and belongs to the technical field of display. The touch screen comprises a touch area, wherein an additional touch area is formed on the edge of the touch area; additional touch electrodes are arranged on the additional touch area; when touch signals are received by the additional touch electrodes, the additional touch electrodes are used for controlling the touch area according to the touch signals. The problem of high probability of mistaken touch of the touch screen is solved, the mistaken touch is reduced, and the touch screen is applied to the touch device.

The invention provides a metal microstructure electric field sensor which comprises a shielding electrode, a substrate, a first driving structure, a second driving structure and an induction electrode. The first driving structure, the second driving structure and the induction electrode are arranged on the substrate. The first driving structure and the second driving structure are symmetrically arranged at the two sides of the induction electrode. In this way, the shielding electrode is clamped between the first driving structure and the second driving structure which drive the shielding electrode to move periodically in response to the induction electrode. The shielding electrode, the first driving structure, the second driving structure, and the induction electrode are all made from metal materials. According to the invention, metal materials are adopted for the making of the sensor with greater electrode elasticity, enhanced resolution and sensitivity for electric field measurement and an enlarged effective charge induction area. The vertical vibration mode adopted by the electrode sensor greatly raises the resolution and sensitivity for electric field measurement. The damping holes opened on the surface of a moving electrode cut down driving voltage and noise caused by the driving voltage, but on contrary, increase the ratio of signal to noise.