Patent application number | Description | Published |
20090206845 | CAPACITIVE SENSING APPARATUS DESIGNS - A capacitive sensing apparatus includes a plurality of electrically conductive sensing elements that have widths that vary and lengths that traverse a sensing region. The sensing elements include a first sensing element including a first variable-width portion and a second variable-width portion that in combination produce a combined first sensor signal, a second sensing element including a third variable-width portion and a fourth variable-width portion that in combination produce a combined second sensor signal, and a third sensing element including a fifth variable-width portion and a sixth variable-width portion that in combination produce a combined third sensor signal. The first, third and fifth variable-width portions are arranged in a first pattern and the second, fourth and sixth variable-width portions are arranged in a second pattern, wherein the first pattern and the second pattern are bilaterally symmetrical about a median that is substantially equidistant from opposite edges of the sensing region. | 08-20-2009 |
20090314105 | BALANCED RESISTANCE CAPACITIVE SENSING APPARATUS - Embodiments for a capacitive sensing apparatus with attenuated electrical interference across a plurality of routing traces are provided. One embodiment forms a first sensor electrode on a substrate. In addition, a first routing trace is formed on the substrate, the first routing trace coupled with the first sensor electrode. One embodiment additionally forms a second sensor electrode on the substrate. A second routing trace differing in length from the first routing trace is also formed on the substrate, the second routing trace coupled with the second sensor electrode. To attenuate electrical interference, the second routing trace is formed having an approximately equal RC time constant characteristic as the first routing trace. | 12-24-2009 |
20090315570 | CAPACITIVE SENSING DEVICE - A capacitive sensing device including a substrate, a sensor electrode disposed over the substrate, a first trace electrically coupled to the sensor electrode, and a second trace proximate the first trace. The second trace is for distinguishing proximity of an object with the sensor electrode from proximity of the object with the first trace. | 12-24-2009 |
20100231555 | CAPACITIVE SENSING APPARATUS - A capacitive sensor apparatus comprises a first sensing element and a second sensing element. The first sensing element has a length oriented along a first axis of a contactable capacitive sensing reference surface; has a substantially constant width along its length; and is configured to have varying capacitive coupling, along the first axis, to an object proximate to the contactable capacitive sensing reference surface. The second sensing element has a length oriented along the first axis; has substantially constant width along its length; and is configured to have varying capacitive coupling, along the first axis, to the object proximate to the contactable capacitive sensing reference surface. The first sensing and second sensing elements are conductive and are configured to provide information corresponding to a spatial location of the object relative to the first axis. | 09-16-2010 |
20100238134 | CAPACITIVE SENSING USING A SEGMENTED COMMON VOLTAGE ELECTRODE OF A DISPLAY - An integrated display and touch sensor device comprises a plurality of display pixels and a processing system communicatively coupled with a plurality of common voltage electrode segments and with a plurality of receiver sensor electrodes. The plurality of display pixels is configured for displaying information on the display. The processing system is configured for driving a voltage transition onto a common voltage electrode segment of the plurality of common voltage electrode segments. The voltage transition provides a common voltage for refreshing at least one display pixel of the plurality of display pixels, and generates a first electrical signal on at least one receiver sensor electrode of the plurality of receiver sensor electrodes. The processing system is also configured for acquiring a first measurement of a capacitive coupling between the driven common voltage electrode segment and the at least one receiver sensor electrode by measuring the first electrical signal. | 09-23-2010 |
20110075382 | FLEXIBLE CIRCUIT ASSEMBLY FOR A CAPACITIVE-SENSING DEVICE - A flexible circuit assembly. The flexible circuit assembly includes a flexible circuit, a substrate of a capacitive-sensing device and an electronic component that are coupled to the flexible circuit. The flexible circuit includes a first portion having a first conductive contact pad, a second portion having a second conductive contact pad, and a third portion disposed between the first portion and the second portion. The flexible circuit is configured to fold at the third portion between the first portion and the second portion so that the first conductive contact pad couples to a first conductor disposed along a first edge of the substrate and the second conductive contact pad couples to a second conductor disposed along a second edge of the substrate of the capacitive-sensing device. The first edge of the substrate of the capacitive-sensing device is non-parallel to the second edge of the substrate of the capacitive-sensing device. | 03-31-2011 |
Patent application number | Description | Published |
20120273906 | DIELECTRIC BARRIERS FOR PIXEL ARRAYS - Pixel arrays are provided for image sensors that have barriers between color filters in an array of color filters. Color filter barriers may be formed from a transparent or semi-transparent material. Color filter barriers may be formed from a low refractive index material. Color filters may be etched and color filter barrier material may be formed in the etched regions of the color filters. If desired, a layer of color filter barrier material may be etched to form open regions and color filter material may be formed in the open regions of the color filter barrier material. An image sensor may be a front-side illuminated image sensor or a back-side illuminated image sensor. | 11-01-2012 |
20140078366 | IMAGING SYSTEMS WITH IMAGE PIXELS HAVING VARYING LIGHT COLLECTING AREAS - An image sensor may have an array of image sensor pixels having varying light collecting areas. The light collecting area of each image pixel may vary with respect to other image pixels due to varied microlens sizes and varied color filter element sizes throughout the array. The light collecting area may vary within unit pixel cells and the variability of the light collecting areas of pixels within each pixel cell may depend on the location of the pixel cell in the pixel array. Each unit pixel cell may include at least one clear pixel having a light collecting area that is smaller than the light collecting areas of other single color pixels in the unit pixel cell. | 03-20-2014 |
20140125838 | IMAGING SYSTEMS WITH MODIFIED CLEAR IMAGE PIXELS - An image sensor may have an array of image sensor pixels arranged in unit pixel cells each having at least one modified clear image pixel. Each modified clear image pixel may include a modified clear color filter element formed from a transparent material such as an oxide material that is modified with a colored pigment or colored dye such as yellow pigment. Each unit pixel cell may include one or more color pixels of other colors such as red pixels, blue pixels, and green pixels. Image signals such as yellow image signals from the modified clear pixels may be processed along with other color image signals such as red image signals and blue image signals to generate standard red, green, and blue image data. Image processing operations may include chroma demosaicing or point filtering of the image signals from the modified clear image pixels. | 05-08-2014 |
20140313379 | IMAGING SYSTEMS WITH CROSSTALK REDUCTION STRUCTURES - An imaging system may include a camera module with an image sensor having an array of image sensor pixels. The image sensor may include a substrate having an array of photodiodes, an array of microlenses formed over the array of photodiodes, and an array of color filter elements interposed between the array of microlenses and the array of photodiodes. The color filter elements may be separated from each other by color filter barriers. Each color filter barrier may include an upper portion formed from dielectric material and a lower portion formed from metal. The metal portion of each color filter barrier may form a crosstalk reduction structure that prevents stray light from passing from one pixel to an adjacent pixel. The color filter barriers may have a grid shape with an array of openings. The color filter elements may be deposited in the openings. | 10-23-2014 |
20150054103 | IMAGING SYSTEMS WITH BAFFLE GRIDS - An imaging system may include a camera module with an image sensor having an array of image sensor pixels. The image sensor may include a substrate having an array of photodiodes, an array of microlenses formed over the array of photodiodes, and an array of color filter elements interposed between the array of microlenses and the array of photodiodes. A grid of baffles may be formed over the array of image pixels and may be configured to block stray light from striking the image pixels. The baffles may extend above the microlens array and may be tilted at an angle with respect to the optical axis of the image sensor. The angle at which each baffle is tilted may be proportional to the chief ray angle of an associated microlens. Baffles may be formed from a light-blocking material such as metal, photoresist, carbon, graphite, or other suitable material. | 02-26-2015 |
Patent application number | Description | Published |
20120137708 | LIQUID DISPENSER - Embodiments of the disclosure may include a dispenser for dispensing a liquid. The dispenser may include a measurement chamber configured to receive the liquid, a temperature probe positioned within the measurement chamber, and a capacitance probe positioned within the measurement chamber. The capacitance probe may house the temperature probe. The dispenser may also include a first conduit fluidly coupled to the measurement chamber and configured to deliver the liquid out of the dispenser. | 06-07-2012 |
20130263609 | PUMPLESS FLUID DISPENSER - Embodiments of the disclosure may include a fluid dispensing system. The system may include a first tank configured to contain a first fluid and a second tank configured to contain a second fluid. The system may also include a plurality of conduits fluidly connecting the first and second tanks, wherein the first fluid in the first tank is configured to be gravity-fed or pressure-fed to the second tank. The system may also include a conditioning system fluidly connected to the second tank. The conditioning system may include at least one conduit fluidly coupled to a lower region of the second tank. The conditioning system may also include a heat exchanger. In addition, the conditioning system may include at least one conduit fluidly coupled to an upper region of the second tank. The conditioning system may be capable of a first configuration that returns fluid from the heat exchanger to a lower region of the second tank, and a second configuration that returns fluid from the heat exchanger to an upper region of the second tank. | 10-10-2013 |
20130263610 | PUMPLESS FLUID DISPENSER - A fluid dispensing system. The system may include a first tank configured to contain a first fluid and a second tank configured to contain a second fluid. The system may also include a conditioning system fluidly connected to the second tank. The conditioning system may include at least one conduit fluidly coupled to a lower region of the second tank. The conditioning system may also include a heat exchanger. In addition, the conditioning system may include at least one conduit fluidly coupled to an upper region of the second tank. | 10-10-2013 |
20140007943 | FUEL TANK PARTITION AND METHOD OF USE - Embodiments of the present disclosure may include a partition for a fuel tank. The partition may include a sheet of material extending laterally within an interior mid-region of the fuel tank. The sheet may have a length and a width that are at least substantially equal to a length and a width of the mid-region of the fuel tank, and the sheet may be shaped to conform to an interior perimeter of the mid-region of the fuel tank. The partition may also be configured to substantially divide the fuel tank into an upper interior region located above the partition and a lower interior region located below the partition. | 01-09-2014 |
20140034162 | Multiple Pump System - A multiple pump system is disclosed. The multiple pump system may include a fluid tank and a multiple pump vessel connected to the fluid tank. The multiple pump vessel may include at least one first pump and at least one second pump located therein. In addition, the at least one first pump may be configured to dispense a fluid from the fluid tank at a first pressure, and the at least one second pump may be configured to dispense the fluid from the fluid tank at a second pressure. The first pressure may be different from the second pressure, such that the at least one first pump may be configured to dispense liquefied natural gas, and the at least one second pump may be configured to dispense compressed natural gas. | 02-06-2014 |
20140217116 | LIQUID DISPENSER - Embodiments of the disclosure may include a dispensing system for dispensing a cryogenic fluid. The dispensing system may include a cryogenic fluid dispenser, a pump, and a conduit connecting the pump to the dispenser. The system may also include a processor and a vehicle detection subsystem configured to detect a vehicle. When the vehicle detection subsystem provides to the processor a signal reflecting detection of a vehicle, the processor may initiate a pre-chill operation that prepares at least one of the pump or the dispenser to dispense the cryogenic fluid. | 08-07-2014 |