최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0830801 (2007-07-30) |
등록번호 | US-8576177 (2013-11-05) |
발명자 / 주소 |
|
출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 23 인용 특허 : 371 |
Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, multi-touch surface. Identification and classification of intuitive hand configurations and motions enables unprecedented integration of t
Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, multi-touch surface. Identification and classification of intuitive hand configurations and motions enables unprecedented integration of typing, resting, pointing, scrolling, 3D manipulation, and handwriting into a versatile, ergonomic computer input device.
1. A method of input of a computing system including a touch sensing surface, the method comprising: detecting a plurality of contacts, including a first contact, a second contact, and a third contact, touching down on or near the surface, the detecting including determining a touchdown time of each
1. A method of input of a computing system including a touch sensing surface, the method comprising: detecting a plurality of contacts, including a first contact, a second contact, and a third contact, touching down on or near the surface, the detecting including determining a touchdown time of each of the contacts;evaluating the touchdown times based on a predetermined temporal threshold, the evaluating including determining that the difference between the touchdown times of the first and second contacts is less than the predetermined temporal threshold and determining that the difference between the touchdown times of the first and third contacts is greater than the predetermined temporal threshold;determining, based on the evaluation of the touchdown times, a synchronized set of the contacts concurrently touching the touch sensing surface, wherein the synchronized set includes the first and second contacts and excludes the third contact; andgenerating a first input of the computing system based on the synchronized set. 2. The method of claim 1 wherein the contacts comprise a plurality of fingers and a portion of a hand other than a finger. 3. The method of claim 1 wherein evaluating the touchdown times comprises determining the difference between the touchdown times of the first and second contacts at time t0; and determining the difference between the touchdown times of the first and third contacts at time t1. 4. The method of claim 1, wherein the touchdown time of the second contact is between the touchdown times of the first and third contacts. 5. The method of claim 4, wherein a magnitude of the temporal threshold is based on a number of touchdowns between the touchdowns of the contacts being evaluated, such that the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and second contacts is different than the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and third contacts. 6. The method of claim 5, wherein the magnitude of the temporal threshold increases as the number of touchdowns between the touchdowns of the contacts being examined increases. 7. The method of claim 1, wherein the plurality of contacts includes a fourth contact, the touchdown time of the fourth contact being between the touchdown times of the first and second contacts, evaluating the touchdown times further includes determining that the difference between the touchdown times of the first and fourth contacts is less than the predetermined temporal threshold, and the synchronized set further includes the fourth contact. 8. A sensing apparatus comprising: a touch sensing surface;a contact identification unit that detects a plurality of contacts, including a first contact, a second contact, and a third contact, touching down on or near the surface, the detecting including determining a touchdown time of each of the contacts;a synchronous contact unit that evaluates the touchdown times based on a predetermined temporal threshold, the evaluating including determining that the difference between the touchdown times of the first and second contacts is less than the predetermined temporal threshold, determining that the difference between the touchdown times of the first and third contacts is greater than the predetermined temporal threshold, determining, based on the evaluation of the touchdown times, a synchronized set of the contacts concurrently touching the touch sensing surface, wherein the synchronized set includes the first and second contacts and excludes the third contact; anda result production unit that determines an input of a computing system based on the synchronized set. 9. The apparatus of claim 8 wherein the contacts comprise a plurality of fingers and a portion of a hand other than a finger. 10. The apparatus of claim 8, wherein the touchdown time of the second contact is between the touchdown times of the first and third contacts. 11. The apparatus of claim 10, wherein a magnitude of the temporal threshold is based on a number of touchdowns between the touchdowns of the contacts being evaluated, such that the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and second contacts is different than the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and third contacts. 12. The apparatus of claim 11, wherein the magnitude of the temporal threshold increases as the number of touchdowns between the touchdowns of the contacts being examined increases. 13. The apparatus of claim 8, wherein the plurality of contacts includes a fourth contact, the touchdown time of the fourth contact being between the touchdown times of the first and second contacts, evaluating the touchdown times further includes determining that the difference between the touchdown times of the first and fourth contacts is less than the predetermined temporal threshold, and the synchronized set further includes the fourth contact. 14. A non-transitory computer-readable storage medium storing computer-executable instructions executable to perform a method of input of a computing system including a touch sensing surface, the method comprising: detecting a plurality of contacts, including a first contact, a second contact, and a third contact, touching down on or near the surface, the detecting including determining a touchdown time of each of the contacts;evaluating the touchdown times based on a predetermined temporal threshold, the evaluating including determining that the difference between the touchdown times of the first and second contacts is less than the predetermined temporal threshold and determining that the difference between the touchdown times of the first and third contacts is greater than the predetermined temporal threshold;determining, based on the evaluation of the touchdown times, a synchronized set of the contacts concurrently touching the touch sensing surface, wherein the synchronized set includes the first and second contacts and excludes the third contact; andgenerating a first input of the computing system based on the synchronized set. 15. The non-transitory computer-readable storage medium of claim 14, wherein the contacts comprise a plurality of fingers and a portion of a hand other than a finger. 16. The non-transitory computer-readable storage medium of claim 14, wherein evaluating the touchdown times comprises determining the difference between the touchdown times of the first and second contacts at time t0; and determining the difference between the touchdown times of the first and third contacts at time t1. 17. The non-transitory computer-readable storage medium of claim 14, wherein the touchdown time of the second contact is between the touchdown times of the first and third contacts. 18. The non-transitory computer-readable storage medium of claim 17, wherein a magnitude of the temporal threshold is based on a number of touchdowns between the touchdowns of the contacts being evaluated, such that the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and second contacts is different than the magnitude of the temporal threshold of the determining of the difference between the touchdown times of the first and third contacts. 19. The non-transitory computer-readable storage medium of claim 18, wherein the magnitude of the temporal threshold increases as the number of touchdowns between the touchdowns of the contacts being examined increases. 20. The non-transitory computer-readable storage medium of claim 14, wherein the plurality of contacts includes a fourth contact, the touchdown time of the fourth contact being between the touchdown times of the first and second contacts, evaluating the touchdown times further includes determining that the difference between the touchdown times of the first and fourth contacts is less than the predetermined temporal threshold, and the synchronized set further includes the fourth contact.
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