JP2005049193A - 入力装置、電子機器及び入力装置の駆動方法 - Google Patents
入力装置、電子機器及び入力装置の駆動方法 Download PDFInfo
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- JP2005049193A JP2005049193A JP2003280857A JP2003280857A JP2005049193A JP 2005049193 A JP2005049193 A JP 2005049193A JP 2003280857 A JP2003280857 A JP 2003280857A JP 2003280857 A JP2003280857 A JP 2003280857A JP 2005049193 A JP2005049193 A JP 2005049193A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
【解決手段】 入力装置100は、マトリクス状に配置される複数の静電容量検出回路31と、この静電容量検出回路31からの検出情報を出力する駆動回路40とを備える。出力処理部160は、複数回のフィールド走査による静電容量検出回路31からの指紋情報の読み出しにより、静電容量検出回路31を部分的に特定して、処理対象となる検出情報だけを取り出す。
【選択図】 図1
Description
Claims (8)
- マトリクス状に配置される複数のセンサセルと、前記各センサセルからの検出情報を出力する出力手段とを備えた入力装置において、
複数回のフィールド走査によって、前記センサセルから検出情報を読み出し、該センサセルを部分的に特定して処理対象となる検出情報を取り出す選択手段を備えたことを特徴とする入力装置。 - 前記選択手段は、第1回のフィールド走査により全ての前記センサセルからの検出情報を読み出して、次に選択すべき特定のセンサセルを決定する前処理手段と、第2回以降のフィールド走査により前記特定のセンサセルから検出情報を取り出す後処理手段とにより構成されることを特徴とする請求項1記載の入力装置。
- 前記前処理手段は、全ての前記センサセルから読み出した検出情報を予め定めた閾値と比較して、次に選択すべき特定のセンサセルを決定するものであることを特徴とする請求項2記載の入力装置。
- 複数の走査線と複数のデータ線との交差部に対応して前記センサセルを夫々設け、前記走査線を走査する走査ドライバと、前記データ線を前記出力手段に接続するデータドライバとを備えると共に、
前記後処理手段は、前記特定のセンサセルに対応する前記走査線だけを走査し、前記特定のセンサセルに対応する前記データ線だけから検査情報を取り出せるように、前記走査ドライバと前記データドライバを駆動させるものであることを特徴とする請求項2及び3記載の入力装置。 - 複数の走査線と複数のデータ線との交差部に対応して前記センサセルを夫々設け、前記走査線を順に走査する走査ドライバと、前記データ線を前記出力手段に順に接続するデータドライバとを備えると共に、
前記後処理手段は、前記特定のセンサセル以外に対応する走査線を、前記特定のセンサセルに対応する走査線よりも走査速度を高速にして、全ての前記走査線を走査し、前記特定のセンサセルに対応する前記データ線から検査情報を取り出せるように、前記走査ドライバと前記データドライバを駆動させるものであることを特徴とする請求項2及び3記載の入力装置。 - 前記センサセルは指紋の凹凸を検出するものであることを特徴とする請求項1〜5の何れか一つに記載の入力装置。
- 請求項1乃至請求項6に記載された入力装置のいずれかひとつを有することを特徴とする電子機器。
- マトリクス状に配置される複数の各センサセルから検出情報を出力する入力装置の駆動方法において、
前記センサセルに対し複数回のフィールド走査を行なって、該センサセルから検出情報を読み出し、
この読み出した検出情報を基に前記センサセルを部分的に特定して、該特定したセンサセルから処理対象となる検出情報を取り出すことを特徴とする入力装置の駆動方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003280857A JP3741282B2 (ja) | 2003-07-28 | 2003-07-28 | 入力装置、電子機器及び入力装置の駆動方法 |
KR1020040042104A KR100658997B1 (ko) | 2003-07-28 | 2004-06-09 | 입력 장치, 전자 기기 및 입력 장치의 구동방법 |
US10/881,108 US20050031175A1 (en) | 2003-07-28 | 2004-07-01 | Input device, electronic apparatus, and method for driving input device |
CNB2004100638288A CN1281916C (zh) | 2003-07-28 | 2004-07-12 | 输入装置、电子仪器和输入装置的驱动方法 |
TW093121937A TWI250464B (en) | 2003-07-28 | 2004-07-22 | Input device, electronic apparatus, and method for driving input device |
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JP2003280857A JP3741282B2 (ja) | 2003-07-28 | 2003-07-28 | 入力装置、電子機器及び入力装置の駆動方法 |
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JP2005049193A true JP2005049193A (ja) | 2005-02-24 |
JP3741282B2 JP3741282B2 (ja) | 2006-02-01 |
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US (1) | US20050031175A1 (ja) |
JP (1) | JP3741282B2 (ja) |
KR (1) | KR100658997B1 (ja) |
CN (1) | CN1281916C (ja) |
TW (1) | TWI250464B (ja) |
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2004
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- 2004-07-01 US US10/881,108 patent/US20050031175A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111382668A (zh) * | 2018-12-27 | 2020-07-07 | 联咏科技股份有限公司 | 电子装置及其指纹感测控制方法 |
US11893182B2 (en) | 2018-12-27 | 2024-02-06 | Novatek Microelectronics Corp. | Electronic device and method for performing fingerprint sensing control |
CN111382668B (zh) * | 2018-12-27 | 2024-04-16 | 联咏科技股份有限公司 | 电子装置及其指纹感测控制方法 |
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Publication number | Publication date |
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TW200511141A (en) | 2005-03-16 |
KR100658997B1 (ko) | 2006-12-21 |
KR20050013487A (ko) | 2005-02-04 |
TWI250464B (en) | 2006-03-01 |
US20050031175A1 (en) | 2005-02-10 |
CN1281916C (zh) | 2006-10-25 |
CN1576774A (zh) | 2005-02-09 |
JP3741282B2 (ja) | 2006-02-01 |
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