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Pedersen, NO
Arne Richard Pedersen, Tolvsrod NO
| Patent application number | Description | Published |
|---|---|---|
| 20100024540 | ADJUSTABLE TESTING TOOL AND METHOD OF USE - Methods and systems for testing a subterranean formation penetrated by a wellbore are provided. A testing tool has a plurality of packers spaced apart along the axis of the tool, and at least a testing port. The testing tool is positioned into the wellbore and packers are extended into sealing engagement with the wellbore wall, sealing thereby an interval of the wellbore. In some embodiments, the wellbore interval sealed between two packers is adjusted downhole. In one embodiment, the location of the testing port is adjusted between two packers. The methods may be used to advantage for reducing the contamination of the formation fluid by fluids or debris in the wellbore. | 02-04-2010 |
| 20110139450 | ADJUSTABLE TESTING TOOL AND METHOD OF USE - Methods and systems for testing a subterranean formation penetrated by a wellbore are provided. A testing tool has a plurality of packers spaced apart along the axis of the tool, and at least a testing port. The testing tool is positioned into the wellbore and packers are extended into sealing engagement with the wellbore wall, sealing thereby an interval of the wellbore. In some embodiments, the wellbore interval sealed between two packers is adjusted downhole. In one embodiment, the location of the testing port is adjusted between two packers. The methods may be used to advantage for reducing the contamination of the formation fluid by fluids or debris in the wellbore. | 06-16-2011 |
Arve Pedersen, Sogne NO
| Patent application number | Description | Published |
|---|---|---|
| 20090101426 | Vehicle - Vehicle for operation on various grounds, including a hull ( | 04-23-2009 |
Astrid Pedersen, Skedsmolorset NO
| Patent application number | Description | Published |
|---|---|---|
| 20110198028 | LOW FORMALDEHYDE EMISSION ADHESIVE SYSTEM - The invention relates to an improved two component adhesive system, a kit comprising said two adhesive components, its use and a method for production of interior wood products, in particular form-pressed products, parquet floor elements and solid wood panels with very low formaldehyde emission and to the interior wood products obtainable having improved properties. | 08-18-2011 |
Egil Pedersen, Raufoss NO
| Patent application number | Description | Published |
|---|---|---|
| 20080309079 | Release Clip - The invention relates to a release clip ( | 12-18-2008 |
| 20100308572 | TUBE COUPLING SYSTEM FOR A PRESSURISED FLUID SYSTEM - This invention relates to a tube coupling system ( | 12-09-2010 |
Frode Milch Pedersen, Trondheim NO
| Patent application number | Description | Published |
|---|---|---|
| 20090249136 | ACCESSING SEQUENTIAL DATA IN A MICROCONTROLLER - System and methods transfer data over a microcontroller system test interface. The system can read data from and write data to microcontroller system memory using the described method. The method provides for the efficient transfer of data, minimizing redundancies and overhead present in conventional microcontroller test system protocols. | 10-01-2009 |
| 20100011250 | MICROCONTROLLER INFORMATION EXTRACTION SYSTEM AND METHOD - A system for debugging a device under test may include a processor register with a program count and a debug program register that receives the program count upon execution of an instruction by a processor. In one implementation, a microcontroller under test by a debugger is accessed using a serial interface, such as a JTAG interface. The interface can communicate directly with a debug register to retrieve program count values, both when the microcontroller is halted and when it is executing instructions. The polling interval to retrieve the program count values may be adjusted by a user of the debugger based on considerations such as bandwidth and accuracy. The microcontroller may transmit the program count value to the debug register from a processing register that is not accessible to the debugger. | 01-14-2010 |
| 20100064173 | MECHANISM FOR STORING AND EXTRACTING TRACE INFORMATION USING INTERNAL MEMORY IN MICRO CONTROLLERS - This document relates to apparatus and methods to store and retrieve trace information in on-chip system memory of microcontrollers. A microcontroller comprises a microprocessor and a memory device accessible through a data bus and an address bus coupled to the microprocessor. The microcontroller includes on-chip debug logic coupled to the microprocessor. Trace data can be retrieved from system memory using a debug port of the debug logic. A system in accordance with the present invention will lower the cost of implementation of trace features in microcontrollers, and strongly reduce the cost of supporting such features in debug tools. | 03-11-2010 |
| 20100229011 | Power Reduction in Microcontrollers - The disclosed implementations provide for power reduction in microcontrollers by reactivating a clock in the microcontroller for one or more peripheral modules in response to an internal or external trigger event, thus allowing the one or more peripheral modules to respond to events while operating in a low-power sleep mode. In some implementations, one or more peripheral modules in a microcontroller provide a clock request signal to a clock generator in the microcontroller. In response to the clock request signal, the clock generator reactivates one or more oscillator sources. The clock generator resumes clock generation only for the one or more requesting peripheral modules, keeping power consumption in the microcontroller to a minimum and not disturbing other modules in the microcontroller. | 09-09-2010 |
| 20110145665 | ACCESSING SEQUENTIAL DATA IN A MICROCONTROLLER - System and methods transfer data over a microcontroller system test interface. The system can read data from and write data to microcontroller system memory using the described method. The method provides for the efficient transfer of data, minimizing redundancies and overhead present in conventional microcontroller test system protocols. | 06-16-2011 |
| 20120068775 | Frequency Locking Oscillator - A delay line of individually selectable delay elements can operate as an oscillator in an open loop mode to track process variation or drive a clock signal that varies with temperatures and voltages in the system. The delay line oscillator can also operate in a closed loop mode to match a frequency given by a tuner ratio and a reference clock. The delay line can also be used for measuring clock jitter or duty cycle. | 03-22-2012 |
| 20120139767 | CHARGE INJECTION MECHANISM FOR ANALOG-TO-DIGITAL CONVERTERS - A low-cost charge injection mechanism may enable oversampling to be used on low frequency signals by injecting dither noise into the ADC input. The dither noise can reduce the quantization noise allowing even direct current (DC) signals to be oversampled correctly. A low-cost charge injection mechanism can also be used to improve the ENOB by characterizing the ADC and digitally correcting the converted signal for non-linearity errors such as INL. Reducing INL errors may also allow a higher degree of oversampling to be used to further improve the ENOB. | 06-07-2012 |
| 20120161732 | Voltage Regulator Configuration - A voltage regulator is configurable to operate in a linear regulator mode or a buck regulator mode. To operate in the buck regulator mode, the voltage regulator is coupled to an inductor. To determine whether an inductor is coupled to voltage regulator, and thus whether the voltage regulator can be configured in the buck regulator mode, a detection circuit determines whether a regulator output of the voltage regulator resists a change in current driven to the regulator output. | 06-28-2012 |
| 20120254668 | Mechanism For Storing And Extracting Trace Information Using Internal Memory In Micro Controllers - This document relates to apparatus and methods to store and retrieve trace information in on-chip system memory of microcontrollers. A microcontroller comprises a microprocessor and a memory device accessible through a data bus and an address bus coupled to the microprocessor. The microcontroller includes on-chip debug logic coupled to the microprocessor. Trace data can be retrieved from system memory using a debug port of the debug logic. A system in accordance with the present invention will lower the cost of implementation of trace features in microcontrollers, and strongly reduce the cost of supporting such features in debug tools. | 10-04-2012 |
| 20130027103 | Frequency Locking Oscillator - A delay line of individually selectable delay elements can operate as an oscillator in an open loop mode to track process variation or drive a clock signal that varies with temperatures and voltages in the system. The delay line oscillator can also operate in a closed loop mode to match a frequency given by a tuner ratio and a reference clock. The delay line can also be used for measuring clock jitter or duty cycle. | 01-31-2013 |
Jan Erik Pedersen, Kristiansand S NO
| Patent application number | Description | Published |
|---|---|---|
| 20110233017 | MOUSE HOLE DAMPER DEVICE - A mouse hole damper device positioned at the bottom portion of a mouse hole pipe, the mouse hole damper being arranged to dampen an impact from an object falling in the mouse hole pipe, and the mouse hole damper including a material which has been worked into forming walls around elongated openings, and the material being arranged in such a way that the openings are substantially parallel to the longitudinal axis of the mouse hole pipe. | 09-29-2011 |
Karstein Pedersen, Storebo NO
| Patent application number | Description | Published |
|---|---|---|
| 20110033889 | APPARATUS AND METHOD FOR HYDROLYSIS OF A PROTEIN CONTAINING RAW MATERIAL AND APPLICATION OF THE RESULTING HYDROLYSIS PRODUCTS - Apparatus and methods for hydrolyzing protein-containing raw material into water soluble protein and other products. The apparatuses and methods comprise an optional collection or processing stage in which protein-containing raw material, such as fish or animal carcasses from food production plants, are collected and optionally processed. The raw material is then reacted with one or more enzymes to hydrolyze the protein present, after which the one or more enzymes are inactivated and the components separated. The processes and apparatuses, which can be run as a batch processes or, advantageously as a continuous processes, can yield water soluble protein, oils, bone meal and other products that have utility as food or food additives. | 02-10-2011 |
Kenneth Pedersen, Oslo NO
| Patent application number | Description | Published |
|---|---|---|
| 20100020647 | SEISMIC SENSOR HOUSING - An example of a cable positioning mechanism for directing a cable into a seismic sensor housing for connection with the seismic sensor includes a member sized to connect with a seismic sensor housing, the cable passing through the member at opposing anchor points for operational connection to the seismic sensor between the anchor points, wherein the cable is oriented through the member at an angle that is not perpendicular to a vertical axis of the sensor housing. | 01-28-2010 |
Lars M. Pedersen, Radal NO
| Patent application number | Description | Published |
|---|---|---|
| 20120217007 | ACOUSTIC MONITORING OF HYDROCARBON PRODUCTION - The present invention relates to a method for monitoring hydro-carbon production from a hydrocarbon reservoir comprising the steps of performing a reservoir treatment process for stimulating hydrocarbon production including injection of a fluid into the reservoir, performing a seismic survey on the reservoir, obtaining a set of acoustic signals from said seismic survey and determine from the obtained acoustic signals the distribution of different contents within the reservoir, wherein the method comprises an intermediate step of adding a substance for increasing the acoustic contrast of the fluid prior to or in conjunction with injecting the fluid into the reservoir. | 08-30-2012 |
Remi Pedersen, Trondheim NO
| Patent application number | Description | Published |
|---|---|---|
| 20100020090 | Monitoring graphics processing - A graphics processing apparatus 6 is provided with rendering circuitry | 01-28-2010 |
| 20120075321 | MONITORING GRAPHICS PROCESSING - A graphics processing apparatus is provided with rendering circuitry which separately renders different areas of a frame of pixel values. Monitoring circuitry coupled to the rendering circuitry captures for each area rendered one or more parameters and stores these parameters to a parameter memory. A performance frame can be generated from the captured and stored parameters with performance-representing pixel values for each area within the performance frame corresponding to an area within the image frame and having a visual characteristic selected in dependence upon the performance parameter which was captured. The visual characteristic may be a grey-scale value, a pixel intensity or a pixel colour. | 03-29-2012 |
Roald Pedersen, Gjovik NO
| Patent application number | Description | Published |
|---|---|---|
| 20120299263 | METHOD FOR PRODUCING A CONTROL ARM, AND A CONTROL ARM - In a method for producing a control arm for arrangement on an automobile axle formed as one-piece part from a light-metal extruded profile, a semi-finished product made from a light-metal extruded profile having a Pi-shaped cross-sectional configuration with a bottom web, side webs extending from the bottom web, and legs projecting from the webs is processed by cutting, whereafter bearing seat openings are introduced and sections of the processed semi-finished product are expanded. A control arm produced with the method of the invention for arrangement on an automobile axle is also disclosed. | 11-29-2012 |
| 20120299264 | TRANSVERSE LINK, AND METHOD FOR PRODUCING A TRANSVERSE LINK - In a method of producing a transverse link for arrangement on a motor vehicle axle, a semifinished product is produced from an extrusion profile of light metal with at least three hollow chambers in side-by-side relationship. A top side and a bottom side of a middle one of the chambers is trimmed at ends thereof so that outer ones of the chambers form bearing arms which project beyond a base body. The middle chamber is formed with flanges which are bent and coupled with the base body. The bearing arms are bent and mounts for attachment are formed. | 11-29-2012 |
Roald Helland Pedersen, Gjovk NO
| Patent application number | Description | Published |
|---|---|---|
| 20090095554 | Roll Over Protection System - Roll over protection system for a passenger car, comprising at least one extended top unit ( | 04-16-2009 |
Roald Helland Pedersen, Gjovik NO
| Patent application number | Description | Published |
|---|---|---|
| 20090121466 | Releasable holding mechanism and method of use - The invention relates to a releasable holding mechanism which may be used to hold and release a roll bar in a roll over protection system. The roll bar is often made part of the seat structure of vehicle, or a part of the chassis of the vehicle. The releasable holding mechanism will be fastened rigidly or slightly loose to the roll bar frame, seat frame or the chassis of the vehicle. Between the roll bar and the releasable holding mechanism there will be a connection element that is rigidly or slightly loosely fastened to the roll bar. The arrangement of fastening the connection element rigidly or slightly loosely depends on the tolerances for positioning the actuator towards the roll bar. The connection element is locked or released by the releasable holding mechanism. The releasable holding mechanism is locked/-engaged when the roll bar is pushed downwards whereby the connection element is forced into the releasable holding mechanism. The releasable holding mechanism is to release the connecting element when a signal is sent to the release element of the holding mechanism. The releasable holding mechanism can be activated by one short duration pulse, for instance a pulse from an electronic control unit for activation of airbags in a vehicle. The system can be activated with low energy demands. | 05-14-2009 |
Ronny Pedersen, Trondheim NO
| Patent application number | Description | Published |
|---|---|---|
| 20090265410 | Packed add-subtract operation in a microprocessor - A packed half-word addition and subtraction operation is performed by a microprocessor in parallel upon half-word operands obtained from designated top or bottom half-word locations of designated source registers of a register file and the sum and difference results of such operation are packed into respective top and bottom half-word locations of a designated destination register. The microprocessor includes an arithmetic-logic unit (ALU) with adder circuitry that can be selectively split into separate half-word adders that are independently selectable to perform either an addition operation or subtraction operation upon the selected half-word operands. The half-word adders of the ALU access the operands from source registers via a set of multiplexers that select among the top and bottom half-word locations. Operations with halving and saturation modifications to the sum and difference results may also be provided. | 10-22-2009 |
Rune Pedersen, Heggedal NO
| Patent application number | Description | Published |
|---|---|---|
| 20110074443 | LIVE FINGER DETECTION BY FOUR-POINT MEASUREMENT OF COMPLEX IMPEDANCE - A method and sensor assembly for determining the condition of a structure, especially for confirming if a measured fingerprint is on a live finger, measures characteristics of close to the structure surface. The sensor includes a first pair of current supply electrodes coupled to a current source, providing an electrical current to the skin, at least two pickup electrodes at chosen and different positions relative to the current supply electrodes, at least a first of the pickup electrodes being coupled to an instrument for measuring the voltage between the first pickup electrode and at least one of the pickup or current supply electrodes, storage for a predetermined set of values characterizing a certain condition of the surface, and means for comparing the characteristics from each pickup electrode with the measurements of the other pickup electrodes and with the predetermined set of characteristics for determining the surface condition. | 03-31-2011 |
Stein Inge Pedersen, Stavanger NO
Stein Inge Pedersen, Tananger NO
| Patent application number | Description | Published |
|---|---|---|
| 20090167556 | Method and System for Transmitting Borehole Image Data - A method of transmitting borehole image data from a borehole location to a remote location includes obtaining a set of image data describing formation surrounding a borehole using a logging tool at a selected depth or range of depths in the borehole, extracting one or more image features from the set of image data downhole, and transmitting a representation of the extracted image features to the surface. | 07-02-2009 |
Steve Tveit Pedersen, Oslo NO
| Patent application number | Description | Published |
|---|---|---|
| 20080300808 | Method for Signal Processing of Capacitive Measurement Scales - A method for the signal processing of capacitive measurement scales intended for the measurement of lengths or angles, consisting of two parts moveable relative to each other provided with electrodes that together form condensers, whose magnitudes are variable and depend on the relative position as specified by a sinusoidal relationship between the two parts. The first part has n electrodes evenly distributed over one measurement period and the second part has one electrode per measurement period. The electrodes in the first part are fed with n alternating voltages whereby the time displacements of the alternating voltages relative to each other are | 12-04-2008 |
Svein Pedersen, Askim NO
| Patent application number | Description | Published |
|---|---|---|
| 20110084471 | Ski pole - The present invention concerns a ski pole. More specifically, the invention is directed to an aerodynamically favorable ski pole, which is designed to allow glue less or adhesive less directionally controllable fixation of replaceable means for limiting the sinking of the ski pole into ground surfaces. | 04-14-2011 |
| 20110084472 | Releasably attachable end piece to a pole - The present invention pertains to a solution for releasably attaching and fastening an end piece to a pole such as a ski pole suited for cross country skiing, downhill skiing roller skiing or walking. The end piece may be a basket providing a thrust bearing surface on snow or it may be an end piece with a sharp point for use in walking or roller skiing. | 04-14-2011 |
Tarald Tveit Pedersen, Hundvag NO
| Patent application number | Description | Published |
|---|---|---|
| 20130009033 | Shock Absorbing System for Load Carrier - A load carrier device is provided with a support structure and means arranged for connection to a lifting means. The support structure comprises one or more shock absorbers provided with a telescoping element which in an initial position projects downwards from an underside of the support structure and is arranged for damped compressive telescoping at the contact of the load carrier with a base. | 01-10-2013 |
Terje Pedersen, Nesoya NO
| Patent application number | Description | Published |
|---|---|---|
| 20120160505 | LOAD TRANSFERRING SUBSEA STRUCTURE - A load transferring subsea structure ( | 06-28-2012 |
| 20120263541 | SUBSEA STRUCTURE FOR PIPE ASSEMBLIES - A subsea structure for supporting pipes/pipe assemblies ( | 10-18-2012 |
Terje S. Pedersen, Sandnes NO
| Patent application number | Description | Published |
|---|---|---|
| 20090048625 | Apparatus, Particularly for use in Laparoscopic Surgery - The present invention is constituted by an instrument ( | 02-19-2009 |
| 20090131974 | INSTRUMENT, PARTICULARLY FOR USE IN LAPAROSCOPIC SURGERY - A laparoscopic instrument ( | 05-21-2009 |
| 20110130790 | Pacifier - A pacifier ( | 06-02-2011 |
Thomas A. Pedersen, Fjell NO
| Patent application number | Description | Published |
|---|---|---|
| 20110094717 | Systems and Methods for Cooling Optical Fiber - In one embodiment, an optical fiber cooling system includes a first cooling tube oriented substantially in parallel with and spaced apart from a second cooling tube such that an optical fiber pathway is positioned between the first cooling tube and the second cooling tube. The first cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the first cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the second cooling tube. The second cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the second cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the first cooling tube. | 04-28-2011 |
| 20120260697 | SYSTEMS AND METHODS FOR COOLING OPTICAL FIBER - In one embodiment, an optical fiber cooling system includes a first cooling tube oriented substantially in parallel with and spaced apart from a second cooling tube such that an optical fiber pathway is positioned between the first cooling tube and the second cooling tube. The first cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the first cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the second cooling tube. The second cooling tube includes a plurality of cooling fluid outlets positioned along an axial length of the second cooling tube which are oriented to direct a flow of cooling fluid across the optical fiber pathway towards the first cooling tube. | 10-18-2012 |
Torbjorn Pedersen, Raufoss NO
| Patent application number | Description | Published |
|---|---|---|
| 20100045073 | BEAM, AND METHOD FOR MAKING SUCH BEAM - An impact-absorbing member for impact protection of a vehicle made from a work piece including a hollow profile provided with walls and an inner space. At least a part of at least one wall of the profile is cut in such a way that it forms a lip. The lip is bent away from the wall thereby forming at least one additional reinforcing wall. A method for reinforcing an impact-absorbing member used in a vehicle includes making a cut in at least one section of a wall of a work piece thereby forming at least one lip, which is bent away from the wall thereby forming at least one additional reinforcing wall. | 02-25-2010 |
Torstein Kanstad Pedersen, Oslo NO
| Patent application number | Description | Published |
|---|---|---|
| 20080239869 | System and Method for Determining Directional and Non-directional Fluid Wave and Current Measurements - A system for determining the directional properties of surface waves or internal waves of a fluid medium includes a sonar system having a plurality of transducers for generating respective, separate acoustic beams and receiving echoes from one or more range cells located substantially within the beams; and a computer program for determining the directional properties associated with the surface waves or internal waves from the received echoes, wherein the computer program determines along-beam velocities along the separate acoustic beams and combines the along-beam velocities to form an equivalent orbital velocity vector. The system is mounted on or in a sub surface buoy that can move or rotate during measurement and includes a motion sensor measuring six degrees of freedom to account for horizontal velocity and vertical displacement in the subsurface buoy mounted sonar system. | 10-02-2008 |
Trond Pedersen, Trondheim NO
| Patent application number | Description | Published |
|---|---|---|
| 20130038476 | Analog to Digital Converter with Dual Integrating Capacitor Systems - In one embodiment, an apparatus comprises a first capacitor system and a second capacitor system. Each capacitor system is removably coupled to the same portion of an analog to digital converter (ADC) and the same sensing circuit. Each capacitor system stores charge received through the sensing circuit when coupled to the sensing circuit and provides the charge received through the sensing circuit to the ADC for conversion into a digital value when coupled to the ADC. When the control signals are in a first state, the first capacitor system receives charge through the sensing circuit and the second capacitor system is coupled to the portion of the ADC. When the one or more control signals are in a second state, the second capacitor system is coupled to the sensing circuit to receive charge through the sensing circuit and the first capacitor system is coupled to the portion of the ADC. | 02-14-2013 |
| 20130038481 | Analog to Digital Converter with Adjustable Conversion Window - In one embodiment, an apparatus includes a first capacitor system and a second capacitor system. Each capacitor system comprises one or more engaged capacitors from respective pluralities of selectively engagable capacitors. The first capacitor system and second capacitor system are respectively selectively coupled to a first reference voltage and a second reference voltage. The apparatus further includes a switch configured to transfer charge between the first capacitor system and the second capacitor system when the switch is closed such that the first capacitor system and the second capacitor system each store the same first voltage. The apparatus further includes a node coupled to the first capacitor system, the second capacitor system, and a first input of a differential amplifier of an analog to digital converter. The node is configured to bias the differential amplifier to the first voltage. | 02-14-2013 |
| 20130038566 | Capacitive Touch Sensor Control Unit With Sampling Capacitors For Differential Integration - In one embodiment, an apparatus comprises a pulse driver configured to generate an electrical pulse for transmission to a capacitive touch sensor. The apparatus further comprises a timing circuit configured to hold a first switch closed and a second switch open during a first edge of the electrical pulse, and hold the second switch closed and the first switch open during of a second edge of the electrical pulse. The apparatus further comprises a first capacitor configured to receive a first amount of charge that is indicative of a capacitance of an area of the capacitive touch sensor and a second capacitor configured to discharge a second amount of charge that is indicative of the capacitance of the area of the capacitive touch sensor. The apparatus further comprises a differential output configured to provide a measure of the voltage difference between the first capacitor and second capacitor. | 02-14-2013 |
Trond Jarle Pedersen, Sjetnemarka NO
| Patent application number | Description | Published |
|---|---|---|
| 20100060494 | Analog to Digital Converter - An analog to digital converter (ADC) can operate in an amplifier configuration or a converter configuration. In the amplifier configuration, the ADC receives an input voltage and scales the input voltage by a factor during at least one clock cycle. In the converter configuration, the ADC uses the scaled input voltage to determine a digital value corresponding to the input voltage. | 03-11-2010 |
Trond Jarle Pedersen, Saupstad NO
| Patent application number | Description | Published |
|---|---|---|
| 20110037513 | Controlling Bias Current for an Analog to Digital Converter - A converter includes an analog to digital converter having a bias current input, a control input, and an analog input to provide a digital output as a function of the analog input. A bias module is coupled to the bias current input to provide bias current to the analog to digital converter. A controller is coupled to the bias module and to the control input of the analog to digital converter. The controller controls the analog to digital converter to sample an analog input and controls the bias module to provide an operating bias current during sampling of the analog input and an idle bias current when not sampling the analog input. | 02-17-2011 |
| 20120001784 | Integrating (SLOPE) DAC Architecture - A current source is used to pre-charge a capacitor to a known value. The capacitor can then be connected to a unity gain buffer to provide a low cost DAC. The DAC can include a self-calibration stage to improve accuracy. The DAC can include two or more circuit branches, each including a current source and a capacitor, where each branch can be calibrated and operated separately to reduce mismatch and to provide a continuous analog voltage output. | 01-05-2012 |
Trond Jarle Pedersen, Trondheim NO
| Patent application number | Description | Published |
|---|---|---|
| 20130038378 | Touch Sensing With A Common Driver - In one embodiment, an apparatus includes a touch sensor including drive electrodes. The apparatus also includes sense electrodes arranged along a first axis and a second axis. The first and second axes are substantially perpendicular to each other. The apparatus also includes one or more computer-readable non-transitory storage media coupled to the touch sensor that embody logic that drives all the drive electrodes substantially simultaneously with a common drive signal. | 02-14-2013 |