Source: https://patents.google.com/patent/US8519973B1/en
Timestamp: 2019-02-23 18:09:03
Document Index: 467367244

Matched Legal Cases: ['Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 12', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 12', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 12', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11', 'Application No. 11']

US8519973B1 - Apparatus and methods for detecting a conductive object at a location - Google Patents
US8519973B1
US8519973B1 US13/442,716 US201213442716A US8519973B1 US 8519973 B1 US8519973 B1 US 8519973B1 US 201213442716 A US201213442716 A US 201213442716A US 8519973 B1 US8519973 B1 US 8519973B1
US13/442,716
2012-04-09 Application filed by Cypress Semiconductor Corp (US) filed Critical Cypress Semiconductor Corp (US)
2012-07-02 Assigned to CYPRESS SEMICONDUCTOR CORPORATION reassignment CYPRESS SEMICONDUCTOR CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: XIAOPING, JIANG
2013-08-27 Publication of US8519973B1 publication Critical patent/US8519973B1/en
2013-08-29 First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38711538&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US8519973(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
2014-08-20 PTAB case IPR2014-01343 filed (Settlement) litigation https://portal.unifiedpatents.com/ptab/case/IPR2014-01343 Petitioner: Institution date: 2015-02-09 Termination date: 2015-08-06 "Unified Patents PTAB Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
2014-09-11 PTAB case IPR2014-01483 filed (Settlement) litigation https://portal.unifiedpatents.com/ptab/case/IPR2014-01483 Petitioner: Termination date: 2014-12-01 "Unified Patents PTAB Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
This application is a continuation of U.S. patent application Ser. No. 13/204,543, filed Aug. 5, 2011, now U.S. Pat. No. 8,174,507, issued May 8, 2012, which is a continuation of U.S. patent application Ser. No. 11/437,517, filed May 18, 2006, now U.S. Pat. No. 8,004,497, issued Aug. 23, 2011.
determining capacitance variations of a first number of two or more sense elements of a touch screen device using a processing device to detect a presence of a conductive object on any one of a second number of three or more button areas of the touch screen device, wherein the first number of sense elements is less than the second number of button areas; and
recognizing an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements.
2. The method of claim 1, wherein the first number is two and the second number is three, and wherein the recognizing comprises:
detecting the presence of the conductive object at a first button area when the capacitance variation of a first sense element is greater than a reference value and the capacitance variation of a second sense element is not greater than the reference value;
detecting the presence of the conductive object at a second button area when the capacitance variation of the first sense element is not greater than the reference value and the capacitance variation of the second sense element is greater than the reference value; and
detecting the presence of the conductive object at a third button area when the capacitance variation of the first sense element and the capacitance variation of the second sense element are both greater than the reference value.
3. The method of claim 2, wherein the determining the capacitance variations comprises measuring a first capacitance of the first sense element and a second capacitance of the second sense element.
4. The method of claim 2, wherein the determining the capacitance variations comprises:
measuring a first capacitance of the first sense element on a first pin of the processing device; and
measuring a second capacitance of the second sense element on a second pin of the processing device.
5. The method of claim 1, wherein the recognizing comprises:
determining a combination of the capacitance variations of the first number of two or more sense elements; and
recognizing the activation using the determined combination.
6. The method of claim 1, wherein the second number is nine, and wherein the recognizing comprises recognizing the activation of one of the nine button areas using the determined capacitance variations of the first number of two or more sense elements.
a processing device coupled to a first number of two or more sense elements of a touch screen device, wherein the processing device is configured to determine capacitance variations of the first number of two or more sense elements to detect a presence of a conductive object on any one of a second number of three or more buttons areas of the touch screen device, wherein the first number of sense elements is less than the second number of button areas, and wherein the processing device is configured to recognize an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements.
8. The apparatus of claim 7, wherein the first number is two and the second number is three, and wherein the processing device is configured to:
detect the presence of the conductive object at a first button area when the capacitance variation of a first sense element is greater than a reference value and the capacitance variation of a second sense element is not greater than the reference value;
detect the presence of the conductive object at a second button area when the capacitance variation of the first sense element is not greater than the reference value and the capacitance variation of the second sense element is greater than the reference value; and
detect the presence of the conductive object at a third button area when the capacitance variation of the first sense element and the capacitance variation of the second sense element are both greater than the reference value.
9. The apparatus of claim 7, wherein the processing device comprises:
a capacitance sensing circuit; and
a selection circuit coupled to the capacitance sensing circuit and the first number of two or more sense elements.
10. The apparatus of claim 7, wherein the processing device comprises:
a first capacitance sensing circuit;
a second capacitance sensing circuit; and
a selection circuit coupled to the first number of two or more sense elements, the first capacitance sensing circuit, and a second capacitance sensing circuit, wherein the selection circuit is configured to selectively couple the capacitance sensing circuit to one of the first number of two or more sense elements and to selectively couple the second capacitance sensing circuit to another one of the first number of two or more sense elements.
11. The apparatus of claim 7, wherein the first number is two and the second number is three, and wherein the processing device is configured to:
detect a conductive object proximate to a first button area based on a first change in capacitance of a first sense element;
detect the conductive object proximate to a second button area based on a first change in capacitance of a second sense element; and
detect the conductive object proximate to a second button area based on a second change in capacitance of the first sense element and a second change in capacitance of the second sense element.
12. The apparatus of claim 7, wherein the processing device comprises one or more capacitance sensing circuits configured to measure capacitance of the first number of two or more sense elements.
13. The apparatus of claim 12, wherein the one or more capacitance sensing circuits comprises a relaxation oscillator configured to measure the capacitance of the first number of two or more sense elements.
14. The apparatus of claim 12, wherein the processing device comprises:
a first pin coupled to the one or more capacitance sensing circuits; and
a second pint coupled to the one or more capacitance sensing circuits.
15. The apparatus of claim 7, wherein the processing device is configured to determine a combination of the capacitance variations of the first number of two or more sense elements and to recognize the activation using the determined combination.
16. The apparatus of claim 7, wherein the second number is nine, and wherein the processing device is configured to recognize the activation of one of the nine button areas using the determined capacitance variations of the first number of two or more sense elements.
a touch screen device comprising a first number of two or more sense elements and a second number of three or more button areas, wherein the first number of sense elements is less than the second number of button areas; and
a processing device coupled to the touch screen device, wherein the processing device is configured to determine capacitance variations of the two or more sense elements of the touch screen device, and to recognize an activation of one of the three or more buttons areas using the capacitance variations of the two or more sense elements.
18. The system of claim 17, wherein the first number is two and the second number is three, and wherein the processing device is configured to:
19. The system of claim 17, wherein the processing device is configured to:
determine a combination of the capacitance variations of the two or more sense elements; and
recognize the activation using the determined combination.
20. The system of claim 17, wherein the second number is nine, and wherein the processing device is configured to recognize the activation of one of the nine button areas using the determined capacitance variations of the two or more sense elements.
US13/442,716 2006-05-18 2012-04-09 Apparatus and methods for detecting a conductive object at a location Active US8519973B1 (en)
US13/204,543 Continuation US8174507B2 (en) 2006-05-18 2011-08-05 Apparatus and methods for detecting a conductive object at a location
US8519973B1 true US8519973B1 (en) 2013-08-27
Application No. 11/493,350: "Technique for Increasing the Sensitivity of Capacitive Sensor Arrays," Lee et al., filed on Jul. 25, 2006; 48 pages.
USPTO Advisory Action for Application No. 11/230,719 dated Nov. 30, 2007; 3 pages.
USPTO Advisory Action for Application No. 11/395,417 dated Jul. 6, 2007; 3 pages.
USPTO Advisory Action for Application No. 11/437,517 dated Apr. 7, 2010; 3 pages.
USPTO Advisory Action for Application No. 11/477,179 dated Jun. 7, 2010; 3 pages.
USPTO Advisory Action for Application No. 12/367,279 dated Jun. 25, 2010; 3 pages.
USPTO Final Rejection for Application No. 11/230,719 dated Sep. 7, 2007; 9 pages.
USPTO Final Rejection for Application No. 11/273,708 dated Jul. 5, 2007; 8 pages.
USPTO Final Rejection for Application No. 11/395,417 dated Apr. 24, 2007; 9 pages.
USPTO Final Rejection for Application No. 11/437,517 dated Jan. 26, 2010; 11 pages.
USPTO Final Rejection for Application No. 11/477,179 dated Apr. 1, 2010; 10 pages.
USPTO Final Rejection for Application No. 11/477,179 dated Nov. 24, 2010; 10 pages.
USPTO Final Rejection for Application No. 11/484,085 dated Mar. 16, 2010; 7 pages.
USPTO Final Rejection for Application No. 11/502,267 dated Feb. 3, 2009; 10 pages.
USPTO Final Rejection for Application No. 11/600,896 dated Sep. 30, 2010; 19 pages.
USPTO Final Rejection for Application No. 12/367,279 dated Apr. 1, 2010; 6 pages.
USPTO Non-Final Rejection for Application No. 11/230,719 dated Aug. 28, 2006; 7 pages.
USPTO Non-Final Rejection for Application No. 11/230,719 dated Jan. 16, 2007; 8 pages.
Uspto Non-Final Rejection for Application No. 11/230,719 dated May 25, 2007; 6 pages.
USPTO Non-Final Rejection for Application No. 11/273,708 dated Mar. 19, 2007; 16 pages.
USPTO Non-Final Rejection for Application No. 11/395,417 dated Apr. 25, 2008; 7 pages.
USPTO Non-Final Rejection for Application No. 11/395,417 dated Nov. 1, 2007; 8 pages.
USPTO Non-Final Rejection for Application No. 11/395,417 dated Oct. 26, 2006; 13 pages.
USPTO Non-Final Rejection for Application No. 11/437,517 dated Aug. 3, 2010; 10 pages.
USPTO Non-Final Rejection for Application No. 11/437,517 dated Aug. 5, 2009; 9 pages.
USPTO Non-Final Rejection for Application No. 11/442,212 dated Feb. 25, 2011; 13 pages.
USPTO Non-Final Rejection for Application No. 11/477,179 dated Jul. 20, 2010; 10 pages.
USPTO Non-Final Rejection for Application No. 11/477,179 dated Jun. 9, 2009; 13 pages.
USPTO Non-Final Rejection for Application No. 11/477,179 dated Nov. 18, 2009; 10 pages.
USPTO Non-Final Rejection for Application No. 11/484,085 dated Sep. 17, 2009; 8 pages.
USPTO Non-Final Rejection for Application No. 11/493,350 dated Jun. 16, 2010; 8 pages.
USPTO Non-Final Rejection for Application No. 11/493,350 dated Nov. 9, 2010; 9 pages.
USPTO Non-Final Rejection for Application No. 11/502,267 dated Aug. 11, 2008; 10 pages.
USPTO Non-Final Rejection for Application No. 11/600,255 dated Mar. 29, 2010; 10 pages.
USPTO Non-Final Rejection for Application No. 11/600,896 dated Dec. 16, 2009; 13 pages.
USPTO Non-Final Rejection for Application No. 11/600,896 dated Jan 26, 2011; 12 pages.
USPTO Non-Final Rejection for Application No. 11/600,896 dated May 14, 2010; 15 pages.
USPTO Non-Final Rejection for Application No. 11/700,314 dated Mar. 26, 2010; 7 pages.
USPTO Non-Final Rejection for Application No. 12/367,279 dated Oct. 29, 2009; 8 pages.
USPTO Notice of Allowance for Application No. 11/230,719 dated Jan. 16, 2008; 4 pages.
USPTO Notice of Allowance for Application No. 11/273,708 dated Aug. 9, 2007; 4 pages.
USPTO Notice of Allowance for Application No. 11/395,417 dated Nov. 6, 2008; 7 pages.
USPTO Notice of Allowance for Application No. 11/437,517 dated Feb. 3, 2011; 10 pages.
USPTO Notice of Allowance for Application No. 11/437,517 dated Jun. 16, 2011; 9 pages.
USPTO Notice of Allowance for Application No. 11/437,517 dated May 19, 2011; 9 pages.
USPTO Notice of Allowance for Application No. 11/484,085 dated Jun. 10, 2010; 4 pages.
USPTO Notice of Allowance for Application No. 11/489,944 dated Apr. 9, 2007; 7 pages.
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:XIAOPING, JIANG;REEL/FRAME:028479/0418
Free format text: TRIAL NO: IPR2014-01343
Free format text: TRIAL NO: IPR2014-01483