Patent application number | Description | Published |
20110094670 | FLEX CIRCUIT WITH SINGLE SIDED ROUTING AND DOUBLE SIDED ATTACH - A flex circuit having conductive traces formed on only one side of a base film for attaching to both sides of a DITO touch sensor panel is disclosed. By having conductive traces formed on only one side of the base film, the number of process steps and fabrication cost can be reduced because only a single etching step is needed. Furthermore, because the flex circuit is thinner, the resultant space savings can be utilized for other features in a device without enlarging the overall device package. | 04-28-2011 |
20120026123 | Compensation for Capacitance Change in Touch Sensing Device - This relates to compensation for undesirable capacitance changes in a touch sensing device, where the capacitance changes are not indicative of a touch at the device. The touch sensing device can include a touch sensor panel having touch sensors for sensing a touch at the panel, a flexible circuit for transmitting the sensed touch signal from the panel, and a touch controller for receiving and processing the transmitted signal. To compensate for the capacitance changes, the touch sensing device can include one or more reference conductive traces decoupled from touch sensors of the device to measure non-touch capacitances in the device. The touch sensing device can then adjust a touch signal from the touch sensors using the non-touch capacitance measurements to substantially reduce or eliminate the non-touch capacitances from the signal. | 02-02-2012 |
20120032895 | METHOD FOR DISAMBIGUATING MULTIPLE TOUCHES ON A PROJECTION-SCAN TOUCH SENSOR PANEL - A touch sensor panel is disclosed. The touch sensor panel includes a plurality of rows, at least one of the rows being a split row including a plurality of row subsections; and a plurality of columns, at least one of the columns being a split column including a plurality of column subsections. The touch sensor panel is configured with at least one split row and at least one split column located to increase a likelihood that a touch anywhere on the touch sensor panel overlaps with at least one split row and at least one split column. The rows and columns are individually charged electrodes capable of detecting a change in capacitance in a corresponding area of the touch sensor panel. | 02-09-2012 |
20120092273 | TRACE BORDER ROUTING - The border routing of conductive traces in devices, such as displays, touch sensor panels, and touch screens, to improve border area space usage, thereby reducing device size, and to reduce trace resistance, thereby improving device operation, is disclosed. The conductive traces can form a staggered stair-step configuration in the device border area, in which the average widths of the traces can be different from each other and each trace can have segments with different widths. The conductive traces can be coupled to an active area of the device to transmit signals to and from the active area in accordance with a device operation. The varying widths can help improve the border area space usage, reduce trace resistance, and reduce the differences in resistance between traces. | 04-19-2012 |
20130018489 | COMBINED FORCE AND PROXIMITY SENSINGAANM GRUNTHANER; Martin PaulAACI Mountain ViewAAST CAAACO USAAGP GRUNTHANER; Martin Paul Mountain View CA USAANM ROTHKOPF; Fletcher R.AACI Los AltosAAST CAAACO USAAGP ROTHKOPF; Fletcher R. Los Altos CA USAANM MULLENS; Christopher TenzinAACI San FranciscoAAST CAAACO USAAGP MULLENS; Christopher Tenzin San Francisco CA USAANM HOTELLING; Steven PorterAACI Los GatosAAST CAAACO USAAGP HOTELLING; Steven Porter Los Gatos CA USAANM O'CONNOR; Sean ErikAACI Palo AltoAAST CAAACO USAAGP O'CONNOR; Sean Erik Palo Alto CA US - Combined force and proximity sensing is disclosed. One or more sensors can concurrently sense a force applied by an object on a device surface and a proximity of the object to the surface. In an example, a single sensor can sense both force and proximity via a resistance change and a capacitance change, respectively, at the sensor. In another example, multiple sensors can be used, where one sensor can sense force via either a resistance change or a capacitance change and another sensor can sense proximity via a capacitance change. | 01-17-2013 |
20130076646 | FORCE SENSOR INTERFACE FOR TOUCH CONTROLLER - A force sensor interface in a touch controller of a touch sensitive device is disclosed. The force sensor interface can couple to touch circuitry to integrate one or more force sensors with touch sensors of the device. The force sensor interface can include one portion to transmit stimulation signals generated by the touch circuitry to the force sensors to drive the sensors. The interface can also include another portion to receive force signals, indicative of a force applied to the device, from the force sensors for processing by the touch circuitry. The device can use the touch circuitry to concurrently and seamlessly operate both the force sensors and the touch sensors. | 03-28-2013 |
20130100039 | OPAQUE THIN FILM PASSIVATION - A touch sensitive device that includes a touch sensor having an opaque passivation layer is disclosed. The opaque passivation layer can be made from an organic or inorganic material, such as acrylic. The opaque passivation layer can be positioned in the touch sensitive device between the cover material of the device and conductive traces located on the touch sensor to hide the conductive traces from the user's view and protect the conductive traces from corrosion. Processes for making the touch sensitive devices that include a touch sensor having an opaque passivation layer are also disclosed. | 04-25-2013 |
20130120303 | TOUCH SENSOR PANEL DESIGN - A touch sensor panel including a plurality of drive lines crossing a plurality of sense lines, forming an array. The plurality of drive lines and the plurality of sense lines are formed by interconnecting sections of at least one conductive material having a truncated diamond shape or formed of interconnected conductive lines. At least one conductive dummy region may be disposed in an area of the touch sensor panel around the truncated diamond shape sections or interconnected conductive lines of the plurality of drive lines and the plurality of sense lines. One or more lines may be formed overlapping the interconnected sections of each of the plurality of drive lines and the plurality of sense lines. | 05-16-2013 |
20130222324 | SPLIT SENSE LINES FOR NEGATIVE PIXEL COMPENSATION - A touch panel configured to compensate for negative pixel effect is disclosed. The panel can be configured to increase a capacitive sense signal, indicative of a touching or hovering object, in order to compensate for an increase in negative capacitance when the object is poorly grounded. To perform the compensation, the panel can be configured to have split sense lines so as to increase the number of electric fringe fields forming the sense signal, thereby providing a sense signal that is substantially stronger than the negative capacitance signal. Each sense line can be split into two or more strips. | 08-29-2013 |
20130265242 | TOUCH SENSOR COMMON MODE NOISE RECOVERY - A touch sensor panel configured to minimize the effect on touch or proximity event detection caused by a common mode noise event. The touch sensor panel includes circuitry that works to minimize the amount of time that the touch sensor panel is unable to accurately sense touch and proximity events due to a common mode noise event. The touch sensor panel can also re-acquire data that was collected during the time that the sensor panel was unable to accurately detect touch and proximity events, when a common mode noise event is detected. | 10-10-2013 |
20140028634 | STYLUS DEVICE - Styluses capable of generating stylus stimulation signals and touch sensitive devices capable of receiving stylus stimulation signals are disclosed. In one example, a stylus can receive a stimulation signal from a touch sensor of a touch sensitive device and generate a stylus stimulation signal by changing an amplitude or frequency of the received stimulation signal. The stylus can transmit the stylus stimulation signal back into the touch sensor of the touch sensitive device. The touch sensor can generate a touch signal based on the device's own stimulation signals and the stylus stimulation signal. The touch sensitive device can process the touch signal to determine a location of the stylus on the touch sensor. The stylus can include a force sensor to detect an amount of force applied to a tip of the stylus. The stylus stimulation signal can be modulated based on the force detected by the force sensor. | 01-30-2014 |
20140098051 | TOUCH SENSOR PANEL DESIGN - A touch sensor panel including a plurality of drive lines crossing a plurality of sense lines, forming an array. The plurality of drive lines and the plurality of sense lines are formed by interconnecting sections of at least one conductive material having a truncated diamond shape or formed of interconnected conductive lines. At least one conductive dummy region may be disposed in an area of the touch sensor panel around the truncated diamond shape sections or interconnected conductive lines of the plurality of drive lines and the plurality of sense lines. One or more lines may be formed overlapping the interconnected sections of each of the plurality of drive lines and the plurality of sense lines. | 04-10-2014 |
20140152582 | NOISE CORRECTION FOR STYLUS APPLICATIONS ON TABLETS AND OTHER TOUCH DEVICES - A touch sensitive device capable of detecting signals generated by a stylus and correcting the detected stylus signals for effects due to noise present on the device is disclosed. In one example, signals are taken from one or more electrodes that are a pre-determined distance away from an electrode in which a stylus signal is detected. The pre-determined distance can be empirically determined such that a noise estimate can be generated such that the electrodes have a higher probability of containing only noise that is highly correlated to the noise present on a detected stylus signal. The generated noise estimate is then subtracted from a detected stylus signal to reduce the effect of noise on the stylus signal. | 06-05-2014 |
20140306924 | DISAMBIGUATION OF TOUCH INPUT EVENTS ON A TOUCH SENSOR PANEL - A touch input device configured to detect a touch input event and determine if the touch input event is caused by a floating object is provided. The touch input device includes one or more electrodes that scanned with a set of stimulation signals to first detect the presence of a touch event and then scanned with subsequent sets of stimulation signals in order to determine if the touch event is from a grounded object, a poorly grounded object, or a floating object. | 10-16-2014 |
20140354555 | DISPLAY, TOUCH, AND STYLUS SYNCHRONIZATION - A touch input device configured to synchronize a stylus acquisition process with both a touch data acquisition process and a display refresh process is provided. The touch input device can include one or more processors that can synchronize the stylus data acquisition process to the touch data acquisition process by coordinating stylus scans to take place in between touch scans. The one or more processors can also virtual data banks to synchronize both the touch data acquisition and the stylus scan acquisition with the display refresh process. | 12-04-2014 |
Patent application number | Description | Published |
20090283300 | Flex Circuit with Single Sided Routing and Double Sided Attach - A flex circuit having conductive traces formed on only one side of a base film for attaching to both sides of a DITO touch sensor panel is disclosed. By having conductive traces formed on only one side of the base film, the number of process steps and fabrication cost can be reduced because only a single etching step is needed. Furthermore, because the flex circuit is thinner, the resultant space savings can be utilized for other features in a device without enlarging the overall device package. | 11-19-2009 |
20090303189 | High Resistivity Metal Fan Out - The formation of metal traces in the border areas of a touch sensor panel to provide improved reliability, better noise rejection, and lower manufacturing costs is disclosed. The metal traces can be coupled to rows on the touch sensor panel in an interleaved manner, so that any two successive rows can be coupled to metal traces in border areas on opposite sides of the touch sensor panel. In addition, by utilizing the full width available in the border areas in some embodiments, the metal traces can be formed from higher resistivity metal, which can reduce manufacturing costs and improve trace reliability. The wider traces can also provide better noise immunity from noise sources such as an LCD by providing a larger fixed-potential surface area and by more effectively coupling the drive lines to the fixed potential. | 12-10-2009 |
20100079402 | TOUCH DETECTION FOR TOUCH INPUT DEVICES - Methods and apparatus for correcting electrical noise coupling from a liquid crystal module to a plurality of sense elements disposed within a touch sensor panel, and for reducing errors in touch detection algorithms. Erroneous signal values detected by the sense elements may be corrected by utilizing a set of reference elements for detecting noise common to both the sense elements and the reference elements, and a correction module for effectively subtracting out the noise from the sensed values. Errors in touch detection algorithms may be reduced by providing a more uniform spacing between successive sense elements. In some embodiments, one or more dummy ground elements may be inserted between adjacent sense elements in order to reduce signal interference. | 04-01-2010 |
20100149108 | SINGLE LAYER TOUCH PANEL WITH SEGMENTED DRIVE AND SENSE ELECTRODES - A touch sensor panels having segmented electrodes for both the drive and sense lines. The touch sensor panel may include a number of columns of sense electrodes and a number of rows of drive electrodes. Each of the drive and sense electrodes are connected to one of the metal bus lines using a connecting trace. Pixels on the touch sensor panel are formed by the unique pairings of individual drive electrodes and their adjacent sense electrodes. Electrically, the mutual capacitance of one touch-sensing pixel can be distinguished from the mutual capacitance of another touch sensing pixel because the two mutual capacitances are formed with combinations of different drive electrodes and sense electrodes. In one embodiment, the drive electrodes and sense electrodes in adjacent columns are staggered horizontally with respect to each other by half a Y-pitch of the electrodes. | 06-17-2010 |
20100321326 | Direct Connect Single Layer Touch Panel - A substantially transparent touch sensor panel having co-planar single-layer touch sensors and traces fabricated on a single side of a substrate for detecting single or multi-touch events. The touch sensor elements can be fabricated in columns and rows, with each sensor element in a row adjacent to a sensor element in a column. By using a board as the dielectric to connect traces from multiple sensor elements in each row, rather than using a dielectric layer on the substrate upon which the sensor elements and traces are formed, the sensor elements and traces on the substrate can be formed by simply patterning a single layer of conductive material on the substrate, which can simplify the manufacturing process of the substrate from a complexity and cost perspective. | 12-23-2010 |
Patent application number | Description | Published |
20140139763 | HIGH RESISTIVITY METAL FAN OUT - The formation of metal traces in the border areas of a touch sensor panel to provide improved reliability, better noise rejection, and lower manufacturing costs is disclosed. The metal traces can be coupled to rows on the touch sensor panel in an interleaved manner, so that any two successive rows can be coupled to metal traces in border areas on opposite sides of the touch sensor panel. In addition, by utilizing the full width available in the border areas in some embodiments, the metal traces can be formed from higher resistivity metal, which can reduce manufacturing costs and improve trace reliability. The wider traces can also provide better noise immunity from noise sources such as an LCD by providing a larger fixed-potential surface area and by more effectively coupling the drive lines to the fixed potential. | 05-22-2014 |
20140146014 | DIRECT CONNECT SINGLE LAYER TOUCH PANEL - A substantially transparent touch sensor panel having co-planar single-layer touch sensors and traces fabricated on a single side of a substrate for detecting single or multi-touch events. The touch sensor elements can be fabricated in columns and rows, with each sensor element in a row adjacent to a sensor element in a column. By using a board as the dielectric to connect traces from multiple sensor elements in each row, rather than using a dielectric layer on the substrate upon which the sensor elements and traces are formed, the sensor elements and traces on the substrate can be formed by simply patterning a single layer of conductive material on the substrate, which can simplify the manufacturing process of the substrate from a complexity and cost perspective. | 05-29-2014 |
20150227240 | TOUCH SENSOR PANEL DESIGN - A touch sensor panel including a plurality of drive lines crossing a plurality of sense lines, forming an array. The plurality of drive lines and the plurality of sense lines are formed by interconnecting sections of at least one conductive material having a truncated diamond shape or formed of interconnected conductive lines. At least one conductive dummy region may be disposed in an area of the touch sensor panel around the truncated diamond shape sections or interconnected conductive lines of the plurality of drive lines and the plurality of sense lines. One or more lines may be formed overlapping the interconnected sections of each of the plurality of drive lines and the plurality of sense lines. | 08-13-2015 |
20150277664 | SPLIT SENSE LINES FOR NEGATIVE PIXEL CONPENSATION - A touch panel configured to compensate for negative pixel effect is disclosed. The panel can be configured to increase a capacitive sense signal, indicative of a touching or hovering object, in order to compensate for an increase in negative capacitance when the object is poorly grounded. To perform the compensation, the panel can be configured to have split sense lines so as to increase the number of electric fringe fields forming the sense signal, thereby providing a sense signal that is substantially stronger than the negative capacitance signal. Each sense line can be split into two or more strips. | 10-01-2015 |
20160062499 | TOUCH PIXEL DESIGN FOR REDUCING VISUAL ARTIFACTS - A touch sensor panel is disclosed. In some examples, the touch sensor panel comprises a first touch pixel electrode formed in a first layer, the first touch pixel electrode comprising a plurality of electrically coupled touch pixel segments separated by one or more touch pixel gaps. In some examples, the touch sensor panel comprises a sense connection formed in the first layer and coupled to the first touch pixel electrode, the sense connection configured to couple the first touch pixel electrode to sense circuitry. In some examples, the touch pixel segments and the touch pixel gaps are configured to provide optical uniformity on the touch sensor panel. | 03-03-2016 |
Patent application number | Description | Published |
20130019014 | SYSTEM AND METHOD FOR SUPPORTING VIRTUAL MACHINE MIGRATION IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support virtual machine migration in a middleware machine environment. The middleware machine environment can comprise one or more network switch instances with one or more external ports, each of which is adapted to receive data packets from an external network. Furthermore, the middleware machine environment can comprise a plurality of virtual interfaces on one or more host servers. Each said host server is associated with one or more virtual machines that can process the one or more data packets. A virtual machine on a first host server is allowed to migrate from the first host server to a second host server and operates to receive one or more packets via a virtual interface on the second host server and process the one or more data packets. | 01-17-2013 |
20150160937 | SYSTEM AND METHOD FOR SUPPORTING IN-BAND/SIDE-BAND FIRMWARE UPGRADE OF INPUT/OUTPUT (I/O) DEVICES IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support controlled and secure firmware upgrade in a middleware machine environment. The system can provide an input/output (I/O) device, which is associated with a host node. The host node can use the I/O device to connect to a shared resource, and the I/O device operates to receive at least one of a firmware image and a firmware update from a fabric administrator that manages the shared resource, and upgrade firmware in the I/O device. Furthermore, the system allows the fabric administrator to send said at least one of a firmware image and a firmware update to the I/O device, using either an in-band connection or a side-band connection. | 06-11-2015 |
20150161391 | SYSTEM AND METHOD FOR SUPPORTING HOST-BASED FIRMWARE UPGRADE OF INPUT/OUTPUT (I/O) DEVICES IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support controlled and secure firmware upgrade in a middleware machine environment. The system can provide a boot image of an operating system (OS) in a host node, wherein the host node connects to a shared resource, such as a network fabric, via an input/out (I/O) device. The boot image can receive at least one of a firmware image and a firmware update from the host node, and upgrade firmware in the I/O device associated with the host node. Furthermore, the host-based firmware upgrade can be based on a special boot image that is prevented from accessing local information on the host node, or a normal boot image that is prevented from controlling the I/O device. | 06-11-2015 |
Patent application number | Description | Published |
20130016718 | SYSTEM AND METHOD FOR USING A MULTICAST GROUP TO SUPPORT A FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support a flooding mechanism using a multicast group in a middleware machine environment. The middleware machine environment can comprise a gateway instance that includes an external port for receiving one or more data packets from an external network. The middleware machine environment also comprises one or more host servers, each of which is associated with one or more virtual machines that can process the data packets. Furthermore, said host servers can provide virtual interfaces that belong to a virtual hub associated with the gateway instance. At least one said packet is a flooded packet that is specified with an unknown destination address when it is received at the external port. The gateway instance operates to send the flooded packet to the multicast group that operates to forward the flooded packet to one or more said host servers in the multicast group. | 01-17-2013 |
20130016719 | SYSTEM AND METHOD FOR SUPPORTING A SCALABLE FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support a scalable packet forwarding mechanism in a middleware machine environment. The middleware machine environment can comprise one or more network switch instances, wherein each network switch instance is associated with one or more external ports that are adapted to receive data packets from an external network. Furthermore, the middleware machine environment can comprise a plurality of packet dispatching components, each of which is responsible for forwarding a data packet to a virtual machine on a host server that operates to process the data packet. Additionally, a link aggregation component can combine multiple external ports into a logical port, and wherein the bandwidth of the logical port is linearly scaled accordingly to a total number of the multiple external ports. | 01-17-2013 |
20130016730 | SYSTEM AND METHOD FOR USING A PACKET PROCESS PROXY TO SUPPORT A FLOODING MECHANISM IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support flooding mechanism using a packet process proxy in a middleware machine environment. The middleware machine environment can comprise a gateway instance that includes an external port for receiving data packets from an external network. The middleware machine environment also comprises one or more host servers, each of which is associated with one or more virtual machines. Furthermore, said host servers can provide virtual interfaces that belong to a virtual hub associated with the gateway instance. At least one said packet is a flooded packet that is specified with an unknown destination address when it is received at the external port. The gateway instance can send the flooded packet to a designated virtual interface on a host server, and a packet process proxy on the host server can forward the flooded packet to a virtual machine on another host server for processing this packet. | 01-17-2013 |
20130016731 | SYSTEM AND METHOD FOR SUPPORTING DIRECT PACKET FORWARDING IN A MIDDLEWARE MACHINE ENVIRONMENT - A system and method can support packet direct forwarding in a middleware machine environment. The middleware machine environment comprises one or more external ports on at least one network switch instance, wherein each external port can receive one or more data packets from an external network. Furthermore, the middleware machine environment comprises a plurality of host channel adapter (HCA) ports on one or more host servers, wherein each said HCA port is associated with a said host server, and each said host server can support one or more virtual machines that operate to process the one or more data packets. The at least one network switch operate to send a packet received at an external port to a designated HCA port associated with the external port. An external switch in the external network can send the data packet to the particular external port based on a packet distribution algorithm. | 01-17-2013 |
Patent application number | Description | Published |
20090128236 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 05-21-2009 |
20120212291 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 08-23-2012 |
20130300513 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 11-14-2013 |
20140232470 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 08-21-2014 |
20140285269 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 09-25-2014 |
20150194933 | High Efficiency Amplification - A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage. | 07-09-2015 |