JP2013533470A - 動きセンサ、方法、および状態チャターを低減した状態プロセッサを有する動きセンサを設けるコンピュータ読み取り可能記憶媒体 - Google Patents
動きセンサ、方法、および状態チャターを低減した状態プロセッサを有する動きセンサを設けるコンピュータ読み取り可能記憶媒体 Download PDFInfo
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Abstract
【選択図】図1
Description
ブロック860において、図3および図11のDIR_CHANGE_FLAG信号が検出されたか(セットされているか)否か判定を行う。DIR_CHANGE_FLAG信号が検出されないと判定された場合、本プロセスはブロック862に進む。
Claims (24)
- 動きセンサであって、
物体に伴う磁場を示す複数の磁場信号を生成するように構成されている複数の磁場検知エレメントと、
それぞれ複数の状態プロセッサであって、各状態プロセッサが、前記複数の磁場信号を表す複数の信号をそれぞれ受け取るように結合されており、前記複数の状態プロセッサのそれぞれが、前記複数の磁場信号の内それぞれの1つと関連のある複数の状態を示すそれぞれのSTATE_SM信号を生成するように構成されており、前記複数の状態のそれぞれが、信号値のそれぞれの範囲を示し、前記STATE_SM信号が、複数の第1方向状態遷移と複数の第2方向状態遷移とを備えており、前記複数の第1方向状態遷移および前記複数の第2方向状態遷移には状態遷移チャターが生ずる可能性がある、複数の状態プロセッサとを備えており、前記複数の状態プロセッサのそれぞれが、
前記それぞれのSTATE_SM信号を受け取るように結合され、それぞれのSTATE_PEAK信号を生成するように構成されているそれぞれの状態ピーク・ロジック・モジュールを備えており、前記STATE_PEAK信号が、複数の第1方向状態ピーク遷移と複数の第2方向状態遷移とを備えており、前記複数の第1方向状態遷移および前記複数の第2方向状態遷移が、低減された状態遷移チャターを有する、動きセンサ。 - 請求項1記載の動きセンサであって、前記STATE_SM信号の状態値をSTATE_SMレジスタに保持し、前記STATE_PEAK信号の状態値をSM_PEAKレジスタに保持する、動きセンサ。
- 請求項2記載の動きセンサであって、更に、前記複数の状態プロセッサに結合されている振動プロセッサを備えており、前記振動プロセッサが、
前記STATE_PEAK信号によって表される状態が、前記STATE_SM信号によって表される状態よりも所定数の状態だけ異なるときに現れる状態遷移を有する二状態POSCOMP_PK信号を生成するように構成されている屈曲プロセッサを備えている、動きセンサ。 - 請求項3記載の動きセンサにおいて、前記状態ピーク・ロジック・モジュールが、前記POSCOMP_PK信号が第1状態に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ大きい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定するように構成されており、前記状態ピーク・ロジック・プロセッサが、更に、前記POSCOMP_PK信号の状態値が第2の異なる状態に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ小さい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定するように構成されている、動きセンサ。
- 請求項3記載の動きセンサにおいて、前記振動プロセッサが、前記STATE_PEAK信号、前記STATE_SM信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成するように構成されている、動きセンサ。
- 請求項3記載の動きセンサにおいて、前記状態プロセッサが、更に、前記STATE_SM信号または前記STATE_PEAK信号の少なくとも1つがそれぞれの第1および第2状態を表すときに現れる第1および第2の異なる状態遷移を有する二状態POSCOMP信号を生成するように構成されている、動きセンサ。
- 請求項6記載の動きセンサにおいて、前記第1および第2状態が異なる状態である、動きセンサ。
- 請求項6記載の動きセンサにおいて、前記振動プロセッサが、前記STATE_PEAK信号、前記STATE_SM信号、前記POSCOMP信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成するように構成されている、動きセンサ。
- 物体の動きを検出する方法であって、
前記物体に伴う磁場を示す複数の磁場信号を生成するステップと、
前記複数の磁場信号のそれぞれの1つと関連のある複数の状態を示すSTATE_SM信号を生成するステップであって、前記複数の状態のそれぞれが信号値のそれぞれの範囲を示し、前記STATE_SM信号が、複数の第1方向状態遷移と複数の第2方向状態遷移とを備えており、前記複数の第1方向状態遷移および前記複数の第2方向状態遷移には状態遷移チャターが生ずる可能性がある、ステップと、
前記STATE_SM信号に関係があるSTATE_PEAK信号を生成するステップであって、前記STATE_PEAK信号が、複数の第1方向状態ピーク遷移と、複数の第2方向状態ピーク遷移とを備えており、前記複数の第1方向状態遷移ピークおよび前記複数の第2方向状態ピーク遷移が、低減された状態遷移チャターを有する、ステップと、
を備えている、方法。 - 請求項9記載の方法であって、
前記STATE_SM信号の状態値をSTATE_SMレジスタに保持するステップと、
前記STATE_PEAK信号の値をSM_PEAKレジスタに保持するステップと、
を備えている、方法。 - 請求項10記載の方法であって、更に、
前記STATE_PEAK信号によって表される状態が、前記STATE_SM信号によって表される状態から所定の状態数だけ異なるときに現れる状態遷移を有する二状態POSCOMP_PK信号を生成するステップを備えている、方法。 - 請求項11記載の方法であって、更に
前記POSCOMP_PK信号が第状態1に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ大きい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定するステップと、
前記POSCOMP_PK信号の状態値が第2の異なる状態に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ小さい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定するステップと、
を備えている、方法。 - 請求項11記載の方法であって、更に、
前記STATE_PEAK信号、前記STATE_SM信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成するステップを備えている、方法。 - 請求項11記載の方法であって、更に、
前記STATE_SM信号または前記STATE_PEAK信号の少なくとも1つがそれぞれの第1および第2状態を表すときに現れる第1および第2の異なる状態遷移を有する二状態POSCOMP信号を生成するステップを備えている、方法。 - 請求項14記載の方法において、前記第1および第2状態が異なる状態である、方法。
- 請求項14記載の方法であって、更に、
前記STATE_PEAK信号、前記STATE_SM信号、前記POSCOMP信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成するステップを備えている、方法。 - 物体の動き検出を行うためのコンピュータ読み取り可能コードを有するコンピュータ読み取り可能記憶媒体であって、
前記物体に伴う磁場を示す複数の磁場信号を受け取る命令と、
前記複数の磁場信号のそれぞれの1つと関連のある複数の状態を示すSTATE_SM信号を生成する命令であって、前記複数の状態のそれぞれが信号値のそれぞれの範囲を示し、前記STATE_SM信号が、複数の第1方向状態遷移と複数の第2方向状態遷移とを備えており、前記複数の第1方向状態遷移および前記複数の第2方向状態遷移には状態遷移チャターが生ずる可能性がある、命令と、
前記STATE_SM信号に関係があるSTATE_PEAK信号を生成する命令であって、前記STATE_PEAK信号が、複数の第1方向状態ピーク遷移と、複数の第2方向状態ピーク遷移とを備えており、前記複数の第1方向状態ピーク遷移および前記複数の第2方向状態ピーク遷移が、低減された状態遷移チャターを有する、命令と、
を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項19記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記STATE_SM信号の状態値をSTATE_SMレジスタに保持する命令と、
前記STATE_PEAK信号の値をSM_PEAKレジスタに保持する命令と、
を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項18記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記STATE_PEAK信号によって表される状態が、前記STATE_SM信号によって表される状態から、所定の状態数だけ異なるときに現れる状態遷移を有する二状態POSCOMP_PK信号を生成する命令を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項19記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記POSCOMP_PK信号が第1状態に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ大きい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定する命令と、
前記POSCOMP_PK信号の状態値が第2の異なる状態に等しく、前記STATE_SM信号の状態値が前記STATE_PEAK信号の状態値よりも所定の状態数だけ小さい場合、前記STATE_PEAKレジスタに保持されている状態値を、前記STATE_SMレジスタに保持されている状態値に等しく設定する命令と、
を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項19記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記STATE_PEAK信号、前記STATE_SM信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成する命令を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項19記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記STATE_SM信号または前記STATE_PEAK信号の少なくとも1つがそれぞれの第1および第2状態を表すときに現れる第1および第2の異なる状態遷移を有する二状態POSCOMP信号を生成する命令を備えている、コンピュータ読み取り可能記憶媒体。 - 請求項22記載のコンピュータ読み取り可能記憶媒体において、前記第1および第2状態が異なる状態である、コンピュータ読み取り可能記憶媒体。
- 請求項22記載のコンピュータ読み取り可能記憶媒体であって、更に、
前記STATE_PEAK信号、前記STATE_SM信号、前記POSCOMP信号、または前記POSCOMP_PK信号の内少なくとも1つに応答して、前記物体または前記複数の磁場検知エレメントの内少なくとも1つの振動を示す振動信号を生成する命令を備えている、コンピュータ読み取り可能記憶媒体。
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