JP5357547B2 - ディジタル符号を使用して物体の位置に基づく属性を検出するための方法およびシステム - Google Patents
ディジタル符号を使用して物体の位置に基づく属性を検出するための方法およびシステム Download PDFInfo
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- JP5357547B2 JP5357547B2 JP2008541174A JP2008541174A JP5357547B2 JP 5357547 B2 JP5357547 B2 JP 5357547B2 JP 2008541174 A JP2008541174 A JP 2008541174A JP 2008541174 A JP2008541174 A JP 2008541174A JP 5357547 B2 JP5357547 B2 JP 5357547B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04186—Touch location disambiguation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
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- Position Input By Displaying (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
Claims (10)
- 第1の複数の電極と第2の複数の電極とによって画定されるタッチセンス領域を有するタッチパッド装置内において前記タッチセンス領域に対する物体の位置に基づく属性を検出する方法であって、
前記物体の位置によって電気的に影響された結果信号を前記第2の複数の電極の少なくとも1つにより得るために、前記第1の複数の電極の関連する少なくとも1つに印加される、複数の別個のデジタル符号に基づく複数の変調信号を印加するステップと、
前記複数の別個のデジタル符号を使用して前記結果信号を復調し、前記物体によって引き起こされた電気的効果を選別するステップと、
前記電気的効果から、前記第1及び第2の複数の電極に対する前記物体の前記位置に基づく属性を決定するステップとを含む方法。 - 複数の相補的検出信号を前記第2の複数の電極の前記少なくとも1つにおいて得るために、前記第1の複数の電極の前記関連する少なくとも1つに印加される、前記複数の別個のデジタル符号の補数に基づく複数の相補的変調信号を印加するステップと、
前記複数の電極のうちの少なくとも一つに関連する前記別個のデジタル符号を用いて前記複数の相補的検出信号のそれぞれを復号し、前記複数の電極から相補的電気的効果を特定するステップと、
前記電気的効果と前記相補的電気的効果とを比較することによって二重差動変換を実行するステップとをさらに含む、請求項1に記載の方法。 - 前記印加するステップはキャリア信号を前記複数の別個のデジタル符号のそれぞれで振幅変調するステップをさらに含む、請求項1又は2に記載の方法。
- 前記第1の複数の電極が第1の方向を有し、前記第2の複数の電極が第2の方向を有し、前記第2の方向は、前記第1の方向に実質的に直交している、請求項1乃至3のいずれか一項に記載の方法。
- 前記第2の複数の電極の少なくとも1つの非駆動電極に保護信号を印加するステップを更に有する、請求項1乃至4のいずれか一項に記載の方法。
- 前記印加するステップは、前記複数の別個の変調信号の同一信号を前記第1の複数の電極のうちの少なくとも2つに実質的に同時に印加するステップを含む、請求項1乃至5のいずれか一項に記載の方法。
- 前記電気的効果に応答して前記別個のデジタル符号の少なくとも1つを調整するステップを更に含む、請求項1乃至6のいずれか一項に記載の方法。
- 前記電気的効果に応答して前記別個の変調信号の少なくとも1つを調整するステップを更に含む、請求項1乃至6のいずれか一項に記載の方法。
- 前記印加するステップは、前記複数の変調信号の第1信号を前記第1の複数の電極の前記関連する少なくとも1つの電極の一の電極に、前記複数の変調信号の第2信号を前記第2の複数の電極の前記関連する少なくとも1つの電極の第2の電極に、同時に印加するステップを含む、請求項1乃至8のいずれか一項に記載の方法。
- 物体の位置に基づく属性を検出するためのタッチパッド装置において、
前記物体の近接度に影響されるように構成された電気的特性を有する複数の電極であって、該複数の電極は、第1方向を持つ第1電極と、前記第1方向とは異なる第2方向を持つ第2電極とを有する複数の電極と、
前記複数の電極の各電極と関連する回路と、
前記複数の電極に関連する復調器と、
前記回路および前記復調器に結合されたプロセッサとを備え、
前記プロセッサは、複数の別個の相互に直交するデジタル符号の関数としての複数の変調信号を生成させ、
前記回路を介して前記第1電極の一又は複数へ前記複数の変調信号をそれぞれ印加させ、
前記物体によって前記複数の電極のうちの少なくとも1つの電極に引き起こされた電気的効果を選別するために、前記デジタル符号を使用して前記第2電極の少なくとも1つから受信した検知信号を復調し、
前記電気的効果から、前記複数の電極に対する前記物体の前記位置に基づく属性を決定するように構成されている、装置。
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US11/274,999 | 2005-11-15 | ||
US11/274,999 US7868874B2 (en) | 2005-11-15 | 2005-11-15 | Methods and systems for detecting a position-based attribute of an object using digital codes |
PCT/US2006/040266 WO2007058727A1 (en) | 2005-11-15 | 2006-10-13 | Methods and systems for detecting a position-based attribute of an object using digital codes |
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JP2013100309A Division JP5512016B2 (ja) | 2005-11-15 | 2013-05-10 | ディジタル符号を使用して物体の位置に基づく属性を検出するための方法およびシステム |
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JP2009516295A JP2009516295A (ja) | 2009-04-16 |
JP2009516295A5 JP2009516295A5 (ja) | 2009-11-26 |
JP5357547B2 true JP5357547B2 (ja) | 2013-12-04 |
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JP2013100309A Active JP5512016B2 (ja) | 2005-11-15 | 2013-05-10 | ディジタル符号を使用して物体の位置に基づく属性を検出するための方法およびシステム |
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EP (2) | EP3101515A1 (ja) |
JP (2) | JP5357547B2 (ja) |
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WO (1) | WO2007058727A1 (ja) |
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US8338724B2 (en) | 2012-12-25 |
CN101310246A (zh) | 2008-11-19 |
WO2007058727A1 (en) | 2007-05-24 |
JP2009516295A (ja) | 2009-04-16 |
JP5512016B2 (ja) | 2014-06-04 |
US8952916B2 (en) | 2015-02-10 |
CN102841704B (zh) | 2017-09-08 |
US20150185920A1 (en) | 2015-07-02 |
US20110074723A1 (en) | 2011-03-31 |
JP2013229032A (ja) | 2013-11-07 |
US20130093725A1 (en) | 2013-04-18 |
US20110074732A1 (en) | 2011-03-31 |
US8558811B2 (en) | 2013-10-15 |
CN102841704A (zh) | 2012-12-26 |
EP1949208B1 (en) | 2016-06-15 |
US9696863B2 (en) | 2017-07-04 |
EP3101515A1 (en) | 2016-12-07 |
US20140168145A1 (en) | 2014-06-19 |
US20140160071A1 (en) | 2014-06-12 |
US7868874B2 (en) | 2011-01-11 |
EP1949208A1 (en) | 2008-07-30 |
CN101310246B (zh) | 2012-07-18 |
US8314351B2 (en) | 2012-11-20 |
US8809702B2 (en) | 2014-08-19 |
US9012793B2 (en) | 2015-04-21 |
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