130results 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.

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.

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.

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.

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 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.

A microbolometer pixel and a reduced-step process for manufacturing it comprising the step of ion implantation of vanadium oxide whereby VO_x is converted to a low resistivity mixed phase vanadium oxide (VO_x/V₂O₃/VO/V) in the leg, metallized support post, and detector contact areas. Masking maintains high temperature coefficient of resistance (TCR) VO_x 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 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.