JP7402811B2 - 車両警報装置 - Google Patents
車両警報装置 Download PDFInfo
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- JP7402811B2 JP7402811B2 JP2020550954A JP2020550954A JP7402811B2 JP 7402811 B2 JP7402811 B2 JP 7402811B2 JP 2020550954 A JP2020550954 A JP 2020550954A JP 2020550954 A JP2020550954 A JP 2020550954A JP 7402811 B2 JP7402811 B2 JP 7402811B2
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- oxide
- sound source
- conductor
- insulator
- transistor
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Images
Classifications
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Description
図2A、図2B、図2Cは車両警報装置および音源検知装置の構成例を説明するブロック図である。
図3は車両警報装置の動作を説明するフローチャートである。
図4は車両警報装置の動作を説明するフローチャートである。
図5は車両警報装置の動作を説明する図である。
図6は車両警報装置の動作を説明する図である。
図7は車両警報装置の動作を説明する図である。
図8は車両警報装置の動作を説明する図である。
図9は車両警報装置の動作を説明する図である。
図10A、図10Bはニューラルネットワークの構成例を説明する図である。
図11A、図11Bは音源検知装置の構成例を示すブロック図である。
図12は遅延回路の回路構成例を説明する図である。
図13A、図13Bは遅延回路の動作例を説明する図である。
図14は遅延回路の回路構成例を説明する図である。
図15は遅延回路の動作例を説明するタイミングチャートである。
図16A、図16Bは音源方向の推定技術を説明する図である。
図17は信号処理回路の回路構成例を説明する図である。
図18A、図18B、図18Cは信号処理回路の回路構成例を説明する図である。
図19A、図19Bは遅延回路の回路構成例を説明する図である。
図20A、図20Bは差動回路の回路構成例を説明する図である。
図21は半導体装置の構成例を説明する図である。
図22は半導体装置の構成例を説明する図である。
図23A、図23B、図23Cはトランジスタの構造例を示す図である。
図24A、図24B、図24C、図24D、図24Eは半導体ウエハおよび電子部品の構成を説明する図である。
図25A、図25Bは電子機器の構成例を示す図である。
図26は市場イメージを説明する図である。
本発明の一態様の車両警報装置について、図面を参照して説明する。図1Aは、車両警報装置200を有する車両100の外観を示す斜視図である。図1Bは、車両100の上面図である。なお、図面をわかりやすくするため、図1Bなどでは車両100の構成要素の記載を一部省略している。また、図2Aに車両警報装置200の構成例を説明するブロック図を示す。
図1Aおよび図1Bに示す車両100は、M個(Mは1以上の整数)の音源検知装置110を有する。本明細書などでは、1番目の音源検知装置110を音源検知装置110[1]と示し、k番目(kは1以上M以下の整数)の音源検知装置110を音源検知装置110[k]と示している。同様に、M番目の音源検知装置110を音源検知装置110[M]と示している。
次に、車両警報装置200の動作例について、図面を参照して説明する。図3および図4は車両警報装置200の動作を説明するフローチャートである。図5乃至図9は、車両警報装置200の動作を説明する図である。
図3に、車両警報装置200の動作例を説明するフローチャートを示す。まず、車両100の外の音響(「外来音」ともいう。)を取得する(ステップS310)。図5は、車両100から見て、壁状の構造物800の陰を移動する車両900が発する外来音901を取得する様子を示している。車両900の姿は、構造物800に遮られて車両100からは視認できない。
図4に、動作例1と異なる動作を説明するフローチャートを示す。図4は、車両警報装置200と連動して乗員保護装置(エアバッグ装置など)を用いる場合の動作例を示すフローチャートである。
本実施の形態では、上記実施の形態で説明した音源検知装置110の構成および動作について、図面を参酌しながら詳細に説明する。図11Aは、上記実施の形態で説明した音源検知装置110[k]の構成例を示すブロック図である。なお、図11Aは図2Cと同等のブロック図である。よって、説明の繰り返しを減らすため、主に上記実施の形態で説明した内容と異なる部分について説明する。
本実施の形態では、上記実施の形態で説明した車両警報装置200などの半導体装置に適用可能なトランジスタの構成ついて説明する。具体的には、異なる電気特性を有するトランジスタを積層して設ける構成について説明する。当該構成とすることで、半導体装置の設計自由度を高めることができる。また、異なる電気特性を有するトランジスタを積層して設けることで、半導体装置の集積度を高めることができる。
本実施の形態では、半導体装置の一例として、ICチップ、電子部品、電子機器等について説明する。
図24Aは、電子部品の作製方法例を示すフローチャートである。電子部品は、半導体パッケージ、またはIC用パッケージともいう。この電子部品は、端子取り出し方向や、端子の形状に応じて、複数の規格や名称が存在する。そこで、本実施の形態では、その一例について説明することにする。以下述べる電子部品は、半導体装置を構成する遅延回路が有する各トランジスタを備えた電子部品に相当する。
次いで、移動体、構造体などの電子機器あるいは筐体に、上述の電子部品を適用する場合について説明する。
本実施の形態では、OSトランジスタを用いることができる市場イメージについて説明する。
まず、OSトランジスタを用いることができる市場イメージを図26に示す。図26において、領域701は、OSトランジスタを用いたディスプレイ(Display)に応用可能な製品領域(OS Display)を表し、領域702は、OSトランジスタを用いたLSI(Large Scale Integration)をアナログ(analog)処理に応用可能な製品領域(OS LSI analog)を表し、領域703は、OSトランジスタを用いたLSIをデジタル(digital)処理に応用可能な製品領域(OS LSI digital)を表す。OSトランジスタは、図26に示す領域701、領域702、および領域703の3つの領域、別言すると3つの大きな市場に好適に用いることができる。
Gate型のOS FETには、TGSA(Top Gate Self-Aligned)型のFETも含まれる。
Dot)とを組み合わせることも好適である。
Claims (5)
- 音源検知装置と、制御装置と、信号出力装置と、を有し、
前記音源検知装置は、外来音を取得する機能と、前記外来音の音源の位置を特定する機能と、を有し、
前記制御装置は、前記音源の位置の変化を取得する機能と、前記音源と車両とが衝突の危険がある場合に前記信号出力装置に信号を供給する機能と、前記音源の種類を特定する機能と、前記音源の種類と前記車両の相対速度から衝突時の衝撃の大きさを推定する機能と、を有し、
前記信号出力装置は、前記信号を受信して、前記車両の搭乗者に向けて音響信号を出力する機能を有する、車両警報装置。 - 音源検知装置と、制御装置と、信号出力装置と、を有し、
前記音源検知装置は、外来音を取得する機能と、前記外来音の音源の位置を特定する機能と、を有し、
前記制御装置は、前記音源の位置の変化を取得する機能と、前記音源と車両とが衝突の危険がある場合に前記信号出力装置に信号を供給する機能と、前記音源の種類を特定する機能と、前記音源の種類と前記車両の相対速度から衝突時の衝撃の大きさを推定する機能と、前記音源と前記車両とが衝突確実と判断した場合に、乗員保護装置を起動する機能と、を有し、
前記信号出力装置は、前記信号を受信して、前記車両の搭乗者に向けて音響信号を出力する機能を有する、車両警報装置。 - 請求項2において、
前記制御装置は、前記推定した衝撃の大きさに応じて、前記乗員保護装置の到達圧力を決定する機能を有する、車両警報装置。 - 請求項1乃至請求項3のいずれか一項において、
前記制御装置は、記憶装置と、ニューラルネットワークとを有し、
前記記憶装置に事前学習により記憶された重み情報又は音響情報と、前記ニューラルネットワークとを用いて前記音源の種類を特定する、車両警報装置。 - 請求項1乃至請求項4のいずれか一項において、
前記信号出力装置として、前記車両に搭載されたオーディオシステム又はナビゲーションシステムを用いる、車両警報装置。
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