Patent application number | Description | Published |
20100264938 | Method and Device for Position Detection - A method and the device for position detection are disclosed. The device comprises a plurality of conductive strips intersecting each other to form a plurality of intersecting regions. A pair of depressed strips intersecting on any intersecting region contact each other to form a depressed intersecting region. When a high voltage and a low voltage are separately provided to the first ends of each pair of overlapping strips, the voltages at the second ends of each pair of overlapping strips are detected so as to determine each depressed intersecting regions. | 10-21-2010 |
20110084923 | Device and Method for Parallel-scanning Differential Touch Detection - A method for parallel-scanning differential touch detection is disclosed herein. The method includes generating a plurality of first outputs by a differential unit according to a plurality of first inputs provided by a plurality of sensors of a touch panel in each scan of total i scans, herein, the kth first output in the jth scan of the total i scans is the (i*(k−1)+j)th output in the continuous first outputs, i≧2, j≧1, k≧1, and i, j, k are natural numbers. Wherein, the differential unit has a plurality of subtractors and the inputs of the subtractors are connected in series. By doing so, the noises between a touch panel and a display can be eliminated. | 04-14-2011 |
20110084924 | METHOD AND DEVICE FOR SIGNAL DETECTION - A method and device for signal detection is disclosed. At least one detection period is predefined for detecting a signal of a signal source, a differential signal of a pair of signal sources, or a dual-differential signal of three signal sources during at least one clock cycle. | 04-14-2011 |
20110084926 | Method and device for converting sensing information - The method and device for converting sensing information are disclosed. Each first touch related sensing information of a first sensing information is detected. At least one of the first touch related sensing information is converted. Each converted first touch related sensing information is replaced by a corresponding second touch related sensing information, whereby the first sensing information is converted into a second sensing information. | 04-14-2011 |
20110084927 | Method and device for determining a touch or touches - A method and device for determining a single touch or multiple touches is disclosed. A touch related sensing information with a single zero-crossing is used for determining a pair of values, and the locations of a pair of centroids are calculated depending on the pair of values. The distance between the locations of the pair of centroids can be used to determine whether the number of touches is one or more. | 04-14-2011 |
20110084928 | Method and device for analyzing two-dimension sensing information - The method and device for analyzing two-dimension sensing information are disclosed. The two-dimension (2-D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner lower values within outer high values and with inner higher values within outer low values. | 04-14-2011 |
20110084929 | Method and device for position detection - A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection. | 04-14-2011 |
20110084930 | Method and device for dual-differential sensing - A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively. | 04-14-2011 |
20110084931 | Method and device for position detection - The method and device for position detection are disclosed. Corresponding to a first touch related sensing information, a second touch related sensing information is acquired for determining at least one position. Each position is used separately for determining the position of a centroid according to the first touch related sensing information or the second touch related sensing information. | 04-14-2011 |
20110084936 | Method and device for capacitive position detection - The method and device for capacitive position detection are disclosed. The touch related sensors within a sensing device with a plurality of sensors are detected first. Therefore at least a range of the mutual capacitance detection for detecting sensing information can be determined according to the touch related sensors. The sensing information within the range of the mutual capacitance detection can be used for generating a two-dimension sensing information. | 04-14-2011 |
20110084937 | Method and device for analyzing positions - A method and device for analyzing positions are disclosed. In sensing information, at least one position is determined according to a first characteristic of a touch related sensing information. The sensing information also has a touch related sensing information with a second characteristic, which is opposite to the first characteristic. The touch related sensing information with the second characteristic is neglected or filtered. In addition, another method and device for analyzing positions are disclosed. An AC signal is provided through a pen, and a first characteristic of a touch related sensing information corresponding to a finger is opposite to the second characteristic of the touch related sensing information corresponding to the pen. The first characteristic and the second characteristic can be used to distinguish the touch of the finger from the touch of the pen or for palm rejection. | 04-14-2011 |
20110087455 | Method and device for analyzing positions - The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one. | 04-14-2011 |
20110304585 | METHOD AND DEVICE FOR SIGNAL DETECTION - A method and device for signal detection is disclosed. At least one detection period is predefined for detecting a signal of a signal source, a differential signal of a pair of signal sources, or a dual-differential signal of three signal sources during at least one clock cycle, wherein the detection evades the period of a predictable noise. | 12-15-2011 |
20120007609 | Method and Device for Position Detection - A method and the device for position detection are disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of depressed strips intersecting on an intersecting region contact to each other to form a depressed intersecting region. According to the depressed intersecting regions, each depression can be determined. The total contact impedance of a depressing crossover a plurality of intersecting regions is the parallel contact impedance of the contact impedances of all intersecting regions corresponding to the same depression. | 01-12-2012 |
20120007610 | Method and Device for Determining Impedance of Depression - A method and the device for position detection are disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of depressed strips intersecting on an intersecting region contact to each other on a contact point to form a depressed intersecting region, wherein the contact impedance of the contact point is determined according to the position of the contact point and the voltages on the contact point of one and the other of the pair depressed strips. | 01-12-2012 |
20120007611 | Method and Device for Correcting Position Error - A method and the device for position detection are disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of depressed strips intersecting on an intersecting region contact to each other on a contact point to form a depressed intersecting region. According to the voltages of each strip before and after the strip is depressed, an error ratio can be determined. Based on the error ration, the position error caused by the contact impedance crossover strips can be corrected. | 01-12-2012 |
20120007612 | Method and Device for Position Detection - A device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of strips intersecting on an intersecting region contact to each other on a contact point to form a depressed intersecting region. The erroneously determined intersecting regions can be detected by comparing the contact points with the corresponding intersecting regions so as to provide the only correct contact points. | 01-12-2012 |
20120007614 | Method and Device for Position Detection with Palm Rejection - The method and the device for position detection with palm rejection are disclosed. The invention provides a sensor and a controller for controlling the sensor. The sensor includes a plurality of strips. The controller execute a first kind of position detection and a second kind of position detection on the sensor. The first kind of position detection identifies an ignored zone, and the second kind of position detection executes the position detection outside the ignored zone. | 01-12-2012 |
20120007616 | Method and Device for Determining Impedance of Depression - A method and the device for position detection are disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of depressed strips intersecting on an intersecting region contact to each other on a contact point to form a depressed intersecting region, wherein the contact impedance of the contact point is determined according to the position of the depressed intersecting region and the voltages on the contact point of one and the other of the pair depressed strips. | 01-12-2012 |
20120007618 | Method and Device for Position Detection with Palm Rejection - A method and the device for palm ignoring disclosed. The device comprises a plurality of strips intersecting each other to form a plurality of intersecting regions. A pair of strips intersecting on an intersecting region contact to each other on a contact point to form a depressed intersecting region. The depression depressed by the palm can be determined by comparing the total impedance of the depression with a threshold so as to be ignored. | 01-12-2012 |
20120007831 | METHOD AND DEVICE FOR POSITION DETECTION - A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection. | 01-12-2012 |
20120013393 | METHOD AND DEVICE FOR ANALYZING POSITIONS - The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one. | 01-19-2012 |
20120013561 | METHOD AND DEVICE FOR DETERMINING A TOUCH OR TOUCHES - A method and device for determining a single touch or multiple touches is disclosed. A touch related sensing information with a single zero-crossing is used for determining a pair of values, and the locations of a pair of centroids are calculated depending on the pair of values. The distance between the locations of the pair of centroids can be used to determine whether the number of touches is one or more. | 01-19-2012 |
20120016628 | METHOD AND DEVICE FOR ANALYZING POSITIONS - The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one. | 01-19-2012 |
20120068953 | METHOD AND DEVICE FOR POSITION DETECTION - The method and device for position detection are disclosed. Corresponding to a first touch related sensing information, a second touch related sensing information is acquired for determining at least one position. Each position is used separately for determining the position of a centroid according to the first touch related sensing information or the second touch related sensing information. | 03-22-2012 |
20120068954 | METHOD AND DEVICE FOR CONVERTING SENSING INFORMATION - The method and device for converting sensing information are disclosed. A dual-differential sensing information is obtained and then converted into a sensing information, wherein the touch related sensing information having two peaks in a pair of zero-crossings is converted into quasi signal values. | 03-22-2012 |
20120075224 | METHOD AND DEVICE FOR DUAL-DIFFERENTIAL SENSING - A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively. | 03-29-2012 |
20120075227 | METHOD AND DEVICE FOR ANALYZING TWO-DIMENSION SENSING INFORMATION - The method and device for analyzing two-dimension sensing information are disclosed. The two-dimension (2D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner low values within outer high values and with inner higher values within outer low values. | 03-29-2012 |
20120075228 | METHOD AND DEVICE FOR ANALYZING TWO-DIMENSION SENSING INFORMATION - The method and device for analyzing two-dimension sensing information are disclosed. The two-dimension (2D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner low values within outer high values and with inner higher values within outer low values. | 03-29-2012 |
20120075245 | METHOD AND DEVICE FOR CAPACITIVE POSITION DETECTION - The method and device for capacitive position detection are disclosed. The touch related sensors within a sensing device with a plurality of sensors are detected first. Therefore at least a range of the mutual capacitance detection for detecting sensing information can be determined according to the touch related sensors. The sensing information within the range of the mutual capacitance detection can be used for generating a two-dimension sensing information. | 03-29-2012 |
20120075246 | METHOD AND DEVICE FOR ANALYZING POSITIONS - A method and device for analyzing positions are disclosed. In sensing information, at least one position is determined according to a first characteristic of a touch related sensing information. The sensing information also has a touch related sensing information with a second characteristic, which is opposite to the first characteristic. The touch related sensing information with the second characteristic is neglected or filtered. In addition, another method and device for analyzing positions are disclosed. An AC signal is provided through a pen, and a first characteristic of a touch related sensing information corresponding to a finger is opposite to the second characteristic of the touch related sensing information corresponding to the pen. The first characteristic and the second characteristic can be used to distinguish the touch of the finger from the touch of the pen or for palm rejection. | 03-29-2012 |
20120075247 | METHOD AND DEVICE FOR ANALYZING POSITIONS - A method and device for analyzing positions are disclosed. In sensing information, at least one position is determined according to a first characteristic of a touch related sensing information. The sensing information also has a touch related sensing information with a second characteristic, which is opposite to the first characteristic. The touch related sensing information with the second characteristic is neglected or filtered. In addition, another method and device for analyzing positions are disclosed. An AC signal is provided through a pen, and a first characteristic of a touch related sensing information corresponding to a finger is opposite to the second characteristic of the touch related sensing information corresponding to the pen. The first characteristic and the second characteristic can be used to distinguish the touch of the finger from the touch of the pen or for palm rejection. | 03-29-2012 |
20120075248 | METHOD AND DEVICE FOR ANALYZING POSITIONS - A method and device for analyzing positions are disclosed. In sensing information, at least one position is determined according to a first characteristic of a touch related sensing information. The sensing information also has a touch related sensing information with a second characteristic, which is opposite to the first characteristic. The touch related sensing information with the second characteristic is neglected or filtered. In addition, another method and device for analyzing positions are disclosed. An AC signal is provided through a pen, and a first characteristic of a touch related sensing information corresponding to a finger is opposite to the second characteristic of the touch related sensing information corresponding to the pen. The first characteristic and the second characteristic can be used to distinguish the touch of the finger from the touch of the pen or for palm rejection. | 03-29-2012 |
20120075250 | METHOD AND DEVICE FOR ANALYZING TWO-DIMENSION SENSING INFORMATION - The method and device for analyzing two-dimension sensing information are disclosed. The two-dimension (2D) sensing information is analyzed for determining touch related sensing information. The touch related sensing information may include touch related sensing information with inner low values within outer high values and with inner higher values within outer low values. | 03-29-2012 |
20130093834 | Device, Method and System for Real-time Screen Interaction in Video Communication - The present invention discloses a communication apparatus for real-time screen interaction in video communications, which includes: a video output conversion device for generating a first video stream based on a sound input and a video input; a communication device for transmitting the first video stream and receiving a second video stream; | 04-18-2013 |
20130169592 | METHOD AND DEVICE FOR ANALYZING POSITIONS - A method and device for analyzing positions are disclosed. In sensing information, at least one position is determined according to a first characteristic of a touch related sensing information. The sensing information also has a touch related sensing information with a second characteristic, which is opposite to the first characteristic. The touch related sensing information with the second characteristic is neglected or filtered. In addition, another method and device for analyzing positions are disclosed. An AC signal is provided through a pen, and a first characteristic of a touch related sensing information corresponding to a finger is opposite to the second characteristic of the touch related sensing information corresponding to the pen. The first characteristic and the second characteristic can be used to distinguish the touch of the finger from the touch of the pen or for palm rejection. | 07-04-2013 |
20140015788 | Device and Method for Parallel-scanning Differential Touch Detection - A method for parallel-scanning differential touch detection is disclosed herein. The method includes generating a plurality of first outputs by a differential unit according to a plurality of first inputs provided by a plurality of sensors of a touch panel in each scan of total i scans, herein, the kth first output in the jth scan of the total i scans is the (i*(k−1)+j)th output in the continuous first outputs, i≧2, j≧1, k≧1, and i, j, k are natural numbers. Wherein, the differential unit has a plurality of subtractors and the inputs of the subtractors are connected in series. By doing so, the noises between a touch panel and a display can be eliminated. | 01-16-2014 |
20140015798 | METHOD AND DEVICE FOR POSITION DETECTION - A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection. | 01-16-2014 |
20140022213 | METHOD AND DEVICE FOR POSITION DETECTION - A method and device for position detection are disclosed. A self-capacitance detection can be performed by a sensing device. According to the result of the self-capacitance detection, a first mutual-capacitance detection can be performed for determining one or more first 1-D positions. According to the result of the first mutual-capacitance detection, a second mutual-capacitance detection can be performed for determining one or more second 1-D positions corresponding to each first 1-D position. One or more 2-D positions can be provided according to the one or more second 1-D positions corresponding to each first 1-D position. Besides, during the self-capacitance detection, the first mutual-capacitance detection, and the second mutual-capacitance detection, a touch related sensing information corresponding to a touch that covers a wide area can be neglected for palm rejection. | 01-23-2014 |
20140049270 | METHOD AND DEVICE FOR ANALYZING POSITIONS - The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one. | 02-20-2014 |
20140059460 | METHOD FOR DISPLAYING GRAPHICAL USER INTERFACES AND ELECTRONIC DEVICE USING THE SAME - The invention provides an electronic device for displaying GUIs (graphical user interfaces) including a touch screen and a processor. The touch screen displays one or more of a plurality of GUIs and detects a first and a second touch signal. When the processor determines the first touch signal existing at the overlap of the GUIs and the second touch signal, switches the top GUI to another GUI based on the relative positions between the first and the second touch signals or the direction in which the second touch signal is moving. | 02-27-2014 |
20140078087 | METHOD FOR TOUCH CONTACT TRACKING - A method for touch contact tracking is provided. A parameter is adjusted according to the number of external objects approaching or touching a touch sensor. Besides, the detected location corresponding to each external object is also detected. The parameter is used to generate a reported location corresponding to each external object according to the detected location separately, whereby the larger the number of external objects is, the closer the distance between the reported location and the detected location is. | 03-20-2014 |
20140114607 | METHOD AND DEVICE FOR DUAL-DIFFERENTIAL SENSING - A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively. | 04-24-2014 |
20140145990 | METHOD FOR UNLOCKING TOUCH SCREEN, ELECTRONIC DEVICE THEREOF, AND RECORDING MEDIUM THEREOF - A method for unlocking touch screen, electronic device thereof, and recording medium thereof are disclosed. A graph with a boundary is displayed on a touch screen. Then two fingers touch the outside, the inside or the boundary of the graph and move outward or inward separately. Whether the touch screen of the electronic device is unlocked is determined based on whether the distance between the moved two fingers is larger or smaller than a default value, or whether the distance difference between the two fingers before and after moving is larger than a default value. | 05-29-2014 |
20140149945 | ELECTRONIC DEVICE AND METHOD FOR ZOOMING IN IMAGE - An electronic device and method for zooming in image are provided. The electronic device includes a touch screen and a processer. At first, the processer recognizes an object closing or touching the touch screen so as to generate a pointer at the touch screen. Then the touch screen zooms in the image within a predetermined range based on the pointer when the processer recognizes another object adjacent to the before-mentioned object. | 05-29-2014 |
20150029127 | METHOD AND DEVICE FOR DUAL-DIFFERENTIAL SENSING - A method and device for dual-differential sensing is disclosed. The sensing information can be generated from signals provided by a sensing device with a plurality of sensors. Each value of the sensing information corresponds to signals of three sensors, respectively. The sensing device is flexible and configured on a display. The noise effect of the display on the signal of each sensor corresponds to the distance between the display and the sensor. Besides, the noise effect of the display on each value of the sensing information corresponds to the distances between the display and the three sensors, respectively. | 01-29-2015 |