JP5886211B2 - スイッチ上またはスイッチ周辺に取り付けたインピーダンスセンサグリッドアレーを使用した電子的撮像装置 - Google Patents
スイッチ上またはスイッチ周辺に取り付けたインピーダンスセンサグリッドアレーを使用した電子的撮像装置 Download PDFInfo
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- G—PHYSICS
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- 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
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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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
- G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger
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Description
成要素は、筐体(図示せず)に収容されることができ、電気接続は、装置またはかかる装置を利用するシステムと接続するために曝露され得る。当業者は、本明細書に記載する実施形態によって構成されるセンサが異なる産業セクターで広範に使用されている筐体にどのようにして組み込まれ得るかを即座に理解するであろう。従って、例えば、システムにおいて、機械的な接続、設計、及び構造が、特定のアプリケーションのために必然的に変化し得る。例えば、指紋センサとしての使用のためにラップトップに組み込まれると、表面取り付けモジュールが、センサグリッドラインをユーザに曝露するために採用される必要があるだろう。携帯電話や携帯情報端末(PDA)などに組み込まれる場合は、センサの動作能力を提供しつつ特定の装置設計に適合させるために、別種の取り付けモジュールが、必要となるだろう。再び、図14は、図示されてはいないが、実施形態によって構成された、上部層1406と底部層1408を有し、アプリケーションに応じてそれぞれピックアップラインかプレート及び駆動ラインかプレートを有し、折り畳んだフレキシブルまたは硬質な基板1404を有するセンサ1402を組み込んだシステム1400を図示するものである。二次元感知領域1411が上部に物体1410を伴って示されているが、ここでの物体は、指紋センサの場合、指とすることができ、その他のアプリケーションの場合はその他の物体とすることができる。上部層のピックアッププレートまたはライン(図示せず)は、受信した合成信号を送るために通信リンク1412を介して上部プレート処理回路と通信する。駆動ラインまたはプレートは、本明細書では図示していないが底部層1408に配置され、通信ライン1416を介して底部プレート処理回路1414から駆動信号を受信する。上部プレート処理回路は、ピックアッププレートまたはラインから受信した合成信号を受信し、増幅し、及び/またはバッファーリングし、或いは保存するように構成されたフロントエンドバッファー及びアンプ1416を含む。図9に示すようなスイッチアレー1418が、フロントエンド1416から信号を受信し、切り替え信号をデジタル信号に変換するために、アナログ・デジタル(A/D)コンバータ1420に送信するように構成される。デジタル信号プロセッサ(DSP)1422は、A/Dコンバータ1420からデジタル信号を受信し、送信のために信号を処理するように構成される。
Claims (22)
- 近接して配置された物体から指紋画像を形成するように構成された、積層された平面の指紋センサと、
スイッチであって、ユーザが前記センサに接触している間に同時に該スイッチを駆動できるように前記積層された平面の指紋センサ内に埋め込まれた該スイッチと、
を含むことを特徴とする、指紋感知システム。 - 前記スイッチが、ユーザが前記センサに接触すると同時に前記スイッチを作動できるようにさらに構成されることを特徴とする、請求項1に記載の指紋感知システム。
- 前記スイッチが、ユーザが前記センサに接触すると同時に前記スイッチを押し下げることができるようにさらに構成されることを特徴とする、請求項1に記載の指紋感知システム。
- 前記スイッチが、ユーザが前記センサに接触すると同時に前記スイッチを押すことができるようにさらに構成されることを特徴とする、請求項1に記載の指紋感知システム。
- 前記スイッチ及び前記指紋センサが、前記センサに電力を供給するため、及び、ユーザに対して装置へのアクセスを許可する前に、予めメモリに保存された1つまたは複数の指紋画像と照合して前記形成された指紋画像を認証するユーザ認証シーケンスを開始するため、前記ユーザが前記スイッチに接触することができるように構成されることを特徴とする、請求項1に記載の指紋感知システム。
- 積層された平面の指紋センサと、
前記センサを保持するように構成された取り付けモジュールと、
スイッチであって、ユーザが前記センサに接触している間に同時に該スイッチを駆動できるように前記積層された平面の指紋センサ内に埋め込まれた該スイッチと、
を含むことを特徴とする、センサ取り付けシステム。 - 前記取り付けモジュールが、へこみを伴って構成されたベゼルを含み、センサ上に取り付けられることを特徴とする、請求項6に記載のセンサ取り付けシステム。
- 前記センサが、シリコン配置センサであることを特徴とする、請求項6に記載のセンサ取り付けシステム。
- 前記センサが、容量性シリコン配置センサであることを特徴とする、請求項6に記載のセンサ取り付けシステム。
- 前記センサが、指紋スワイプセンサであることを特徴とする、請求項6に記載のセンサ取り付けシステム。
- 前記センサが、チップオンフレックス(COF)スワイプセンサであることを特徴とする、請求項6に記載のセンサ取り付けシステム。
- 前記センサが、
近接して配置された物体へ信号を送信するように構成される、複数のほぼ平行な駆動ラインと、
前記駆動ラインにほぼ垂直に配置される複数のほぼ平行なピックアップラインと、
を含み、
前記駆動ラインが、インピーダンスを感知できるクロスオーバー位置を形成するために誘電体層によって前記ピックアップラインから分離される
ことを特徴とする、請求項6に記載のセンサ取り付けシステム。 - 前記指紋センサは、さらに、
基準プレートと、
前記基準プレートと1以上のピックアップラインとに接続する差動アンプと、
を含み、
前記差動アンプは、前記1以上のピックアップラインのうちの1つのピックアップラインからの信号と前記基準プレートからの信号との間の差分を求めるように構成される
ことを特徴とする、請求項12に記載のセンサ取り付けシステム。 - 前記駆動ライン及び前記ピックアップラインは、指が接触する領域を形成し、
前記基準プレートは、前記指が接触する領域の外部に配置される
ことを特徴とする、請求項13に記載のセンサ取り付けシステム。 - 前記センサ取り付けシステムは、さらに、
前記差動アンプに接続し、前記複数の駆動ラインのうちの1つの駆動ラインの信号のキャリア周波数に同調するバンドパスフィルター
を含むことを特徴とする、請求項13に記載のセンサ取り付けシステム。 - 前記指紋センサ及び前記スイッチは、移動通信装置に組み込まれている
ことを特徴とする、請求項1に記載の指紋感知システム。 - 前記センサは、
近接して配置された物体へ信号を送信するように構成される、複数のほぼ平行な駆動ラインと、
前記駆動ラインにほぼ垂直に配置される複数のほぼ平行なピックアップラインと
を含み、
前記駆動ラインが、インピーダンスを感知できるクロスオーバー位置を形成するために誘電体層によって前記ピックアップラインから分離される
ことを特徴とする、請求項1に記載の指紋感知システム。 - 前記指紋センサは、さらに、
基準プレートと、
前記基準プレートと1以上のピックアップラインとに接続する差動アンプと、
を含み、
前記差動アンプは、前記1以上のピックアップラインのうちの1つのピックアップラインからの信号と前記基準プレートからの信号との間の差分を求めるように構成される
ことを特徴とする、請求項17に記載の指紋感知システム。 - 前記駆動ライン及び前記ピックアップラインは、指が接触する領域を形成し、
前記基準プレートは、前記指が接触する領域の外部に配置される
ことを特徴とする、請求項18に記載の指紋感知システム。 - 前記指紋感知システムは、さらに、
前記差動アンプに接続し、前記複数の駆動ラインのうちの1つの駆動ラインの信号のキャリア周波数に同調するバンドパスフィルター
を含むことを特徴とする、請求項18に記載の指紋感知システム。 - 前記指紋センサは、前記複数の駆動ラインのうちの少なくとも1つの駆動ライン、または、前記複数のピックアップラインのうちの少なくとも1つのピックアップラインに接続する処理回路を含み、
前記処理回路は、順に全ての前記駆動ラインを駆動して前記複数のピックアップラインのうちの1以上のピックアップラインの1以上の信号を検出することにより、第1の安全モードで動作するように構成され、且つ、順に前記複数の駆動ラインの一部のみを駆動して前記複数のピックアップラインのうちの1以上のピックアップラインの1以上の信号を検出することにより、第2の安全モードで動作するように構成される
ことを特徴とする、請求項17に記載の指紋感知システム。 - 前記指紋センサは、前記複数の駆動ラインのうちの少なくとも1つの駆動ライン、または、前記複数のピックアップラインのうちの少なくとも1つのピックアップラインに接続する処理回路を含み、
前記処理回路は、順に前記複数のピックアップラインのうちの各々のピックアップラインを検出器に接続して前記接続されたピックアップラインに隣接するピックアップラインを接地することにより、前記複数のピックアップラインのうちの1以上のピックアップラインの1以上の信号を検出するように構成される
ことを特徴とする、請求項17に記載の指紋感知システム。
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US12/688,790 | 2010-01-15 | ||
US12/688,790 US8421890B2 (en) | 2010-01-15 | 2010-01-15 | Electronic imager using an impedance sensor grid array and method of making |
US12/820,100 US8791792B2 (en) | 2010-01-15 | 2010-06-21 | Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making |
US12/820,100 | 2010-06-21 | ||
PCT/US2011/021196 WO2011088252A1 (en) | 2010-01-15 | 2011-01-13 | Electronic imager using an impedance sensor grid array mounted on or about a switch |
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JP2012549092A Active JP5886211B2 (ja) | 2010-01-15 | 2011-01-13 | スイッチ上またはスイッチ周辺に取り付けたインピーダンスセンサグリッドアレーを使用した電子的撮像装置 |
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US8447077B2 (en) | 2006-09-11 | 2013-05-21 | Validity Sensors, Inc. | Method and apparatus for fingerprint motion tracking using an in-line array |
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