JP2016533152A - マイクロプロセッサ制御されたeクラスドライバ - Google Patents
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36125—Details of circuitry or electric components
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
- A61N1/37223—Circuits for electromagnetic coupling
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- H—ELECTRICITY
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- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- H—ELECTRICITY
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Abstract
Description
本出願は、2013年7月29日出願の米国仮出願第61/859,471号、発明の名称「MICROPROCESSOR CONTROLLED CLASS E DRIVER」の利益を主張するものであり、参照によりその全体が本明細書に組み込まれる。
本発明は、例えば、以下を提供する。
(項目1)
充電器であって、
充電コイルであって、埋め込み可能なデバイスと磁気的に結合して、前記埋め込み可能なデバイスを再充電するように構成される、充電コイルと、
充電コイルに電気的に接続されたEクラスドライバであって、
切替回路であって、前記切替回路への第1の電圧の印加によって切替えられる、切替回路、及び
前記充電コイルを通過する電流を感知するように位置付けられる電流センサと、を備える、Eクラスドライバと、
前記Eクラスドライバに電気的に接続されて、前記充電コイルを通過する前記電流を示すデータを受信し、かつ前記Eクラスドライバに電気的に接続されて、前記切替回路への第1の電圧の印加を介して前記切替回路を制御するプロセッサであって、前記充電コイルを通過する前記電流を示すデータを受信し、かつ前記受信されたデータに応答して前記切替回路を制御するように構成される、プロセッサと、を備える、充電器。
(項目2)
前記切替回路がトランジスタを備える、項目1に記載の充電器。
(項目3)
前記トランジスタがMOSFETを備える、項目2に記載の充電器。
(項目4)
前記プロセッサが、前記Eクラスドライバに電気的に接続されて、前記切替回路の第2の電圧を示すデータを受信する、項目3に記載の充電器。
(項目5)
前記プロセッサが、
前記切替回路の前記第2の電圧を示すデータを受信し、かつ
前記切替回路の前記第2の電圧を示す前記受信されたデータに応答して前記切替回路を制御するように更に構成される、項目4に記載の充電器。
(項目6)
前記第2の電圧が、前記切替回路のドレインで測定され、前記第1の電圧が、前記切替回路のゲートに印加される、項目4に記載の充電器。
(項目7)
前記プロセッサが、第1の抵抗器及び第2の抵抗器を備える電圧分割器を介して前記Eクラスドライバに電気的に接続される、項目6に記載の充電器。
(項目8)
前記プロセッサが、
電力切替トランジスタ電圧を感知し、かつ
前記第1の電圧が前記切替回路に印加される第1の周波数を調節するかどうかを判定するように構成され、前記第1の周波数の前記調節が、1つ又は複数の伝播遅延を減軽する、項目1に記載の充電器。
(項目9)
前記プロセッサが、前記第1の電圧が、前記感知された電力切替トランジスタ電圧に基づいて印加される第2の周波数を識別する記憶された値を取り出すように構成される、項目8に記載の充電器。
(項目10)
前記プロセッサが、第1の電圧が、1つ又は複数の周波数限界に印加される前記第2の周波数を識別する前記取り出された記憶された値を比較するように構成される、項目9に記載の充電器。
(項目11)
前記第1の周波数が、前記第2の周波数が、前記1つ又は複数の周波数限界を超えない場合、前記第2の周波数に設定される、項目10に記載の充電器。
(項目12)
前記第2の周波数が、前記1つ又は複数の周波数限界のうちの1つを超えるとき、前記第1の周波数が、前記1つ又は複数の周波数限界のうちの前記超えたものに設定される、項目10に記載の充電器。
(項目13)
充電器であって、
充電コイルであって、周波数を有する磁界を発生させ、かつ埋め込み可能なデバイスと磁気的に結合されて、前記埋め込み可能なデバイスを再充電するように構成される、充電コイルと、
前記充電コイルに電気的に接続される、Eクラスドライバと、
少なくとも3つの周波数の間で前記磁界の前記周波数を変調するように構成される、FSKモジュールと、を備える、充電器。
(項目14)
前記少なくとも3つの周波数が、第1の周波数、第2の周波数、及び第3の周波数を含み、前記第3の周波数が最も高い周波数であり、前記第2の周波数が最も低い周波数である、項目13に記載の充電器。
(項目15)
前記FSKモジュールに電気的に接続され、かつ前記FSKモジュールを制御するように構成される、プロセッサを更に備える、項目14に記載の充電器。
(項目16)
前記プロセッサが、データ非伝送状態又はデータ伝送状態のいずれかにおいて、前記充電器を選択的に動作させるように構成される、項目15に記載の充電器。
(項目17)
前記充電器が前記
データ非伝送状態において動作するとき、搬送波信号が前記第1の周波数を有する、項目16に記載の充電器。
(項目18)
前記充電器が前記データ伝送状態において動作するとき、前記プロセッサが、前記FSKモジュールを制御して、前記第2の周波数と前記第3の周波数との間で前記搬送波信号を変調する、項目16に記載の充電器。
(項目19)
前記FSKモジュールが、2つのコンデンサ及び2つのトランジスタを備える、項目13に記載の充電器。
(項目20)
前記FSKモジュールの前記2つのコンデンサ及び前記2つのトランジスタが、前記2つのコンデンサが前記FSKモジュールによって前記回路内に選択的に含まれ得るように電気的に接続される、項目19に記載の充電器。
(項目21)
前記プロセッサが、前記FSKモジュールの前記2つのトランジスタを制御して、前記FSKモジュールによって前記回路内に前記2つのコンデンサを選択的に含むように構成される、項目20に記載の充電器。
(項目22)
前記FSKの前記回路内に前記2つのコンデンサを選択的に含むことが、前記第1、第2、及び第3の周波数の間で前記磁界の周波数を変調する、項目21に記載の充電器。
(項目23)
埋め込み可能なデバイスの充電の間、前記埋め込み可能なデバイスと通信する方法であって、
充電コイルで充電信号を発生させることであって、前記充電信号が初期の第1の周波数を有する、発生させることと、
前記第1の周波数より低い第2の周波数と前記第1の周波数より高い第3の周波数との間で前記充電信号の前記周波数を変調することによって、データを伝送することと、を含む、方法。
(項目24)
前記埋め込み可能なデバイスの前記充電の間に、バイナリ伝送データを生成することを更に含み、前記伝送データが前記伝送されたデータである、項目23に記載の方法。
(項目25)
前記第2の周波数と前記第3の周波数との間で充電信号の前記周波数を変調することが、前記バイナリ伝送データを伝送する、項目24に記載の方法。
(項目26)
前記充電信号の前記周波数が、FSKモジュールによって変調される、項目23に記載の方法。
(項目27)
前記FSKモジュールが、2つのコンデンサ及び2つのトランジスタを備える、項目26に記載の方法。
(項目28)
前記FSKモジュールの前記2つのコンデンサ及び前記2つのトランジスタが、前記2つのコンデンサが前記FSKモジュールによって前記回路内に選択的に含まれ得るように電気的に接続され、それによって、前記充電信号の前記周波数を変調する、項目27に記載の方法。
(項目29)
充電器を制御する方法であって、
充電器と埋め込み可能なデバイスとの間の磁気的結合を作り出すことであって、前記磁気的結合が、前記埋め込み可能なデバイスを充電する、作り出すことと、
駆動信号の初期周波数を設定することであって、前記駆動信号の前記周波数が、プロセッサによって設定され、前記駆動信号が、スイッチの開放及び閉鎖を制御する、設定することと、
第1の時間における前記スイッチでの電圧を感知することと、
前記第1の時間における前記スイッチでの前記電圧に基づいて、第2の周波数を識別する値を取り出すことと、
前記駆動信号の前記周波数を変更することと、を含む、方法。
(項目30)
前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記第2の周波数に変更することを含む、項目29に記載の方法。
(項目31)
1つ又は複数の周波数限界を取り出すことを含み、前記周波数限界が、前記駆動信号の許容可能な周波数の範囲に対する上限及び下限を提供する、項目29に記載の方法。
(項目32)
前記第2の周波数を前記1つ又は複数の周波数限界と比較することを含む、項目31に記載の方法。
(項目33)
前記第2の周波数が前記1つ又は複数の周波数限界のうちの前記1つを超える場合、前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記1つ又は複数の周波数限界のうちの前記1つに変更することを含む、項目32に記載の方法。
(項目34)
前記第2の周波数が前記1つ又は複数の周波数限界を超えない場合、前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記第2の周波数に変更することを含む、項目32に記載の方法。
(項目35)
前記駆動信号の前記周波数を変更することが、伝播遅延の影響を減軽する、項目29に記載の方法。
(項目36)
前記駆動信号の前記周波数が、複数回調節されて、前記伝播遅延の前記影響を減軽し得る、項目35に記載の方法。
Claims (36)
- 充電器であって、
充電コイルであって、埋め込み可能なデバイスと磁気的に結合して、前記埋め込み可能なデバイスを再充電するように構成される、充電コイルと、
充電コイルに電気的に接続されたEクラスドライバであって、
切替回路であって、前記切替回路への第1の電圧の印加によって切替えられる、切替回路、及び
前記充電コイルを通過する電流を感知するように位置付けられる電流センサと、を備える、Eクラスドライバと、
前記Eクラスドライバに電気的に接続されて、前記充電コイルを通過する前記電流を示すデータを受信し、かつ前記Eクラスドライバに電気的に接続されて、前記切替回路への第1の電圧の印加を介して前記切替回路を制御するプロセッサであって、前記充電コイルを通過する前記電流を示すデータを受信し、かつ前記受信されたデータに応答して前記切替回路を制御するように構成される、プロセッサと、を備える、充電器。 - 前記切替回路がトランジスタを備える、請求項1に記載の充電器。
- 前記トランジスタがMOSFETを備える、請求項2に記載の充電器。
- 前記プロセッサが、前記Eクラスドライバに電気的に接続されて、前記切替回路の第2の電圧を示すデータを受信する、請求項3に記載の充電器。
- 前記プロセッサが、
前記切替回路の前記第2の電圧を示すデータを受信し、かつ
前記切替回路の前記第2の電圧を示す前記受信されたデータに応答して前記切替回路を制御するように更に構成される、請求項4に記載の充電器。 - 前記第2の電圧が、前記切替回路のドレインで測定され、前記第1の電圧が、前記切替回路のゲートに印加される、請求項4に記載の充電器。
- 前記プロセッサが、第1の抵抗器及び第2の抵抗器を備える電圧分割器を介して前記Eクラスドライバに電気的に接続される、請求項6に記載の充電器。
- 前記プロセッサが、
電力切替トランジスタ電圧を感知し、かつ
前記第1の電圧が前記切替回路に印加される第1の周波数を調節するかどうかを判定するように構成され、前記第1の周波数の前記調節が、1つ又は複数の伝播遅延を減軽する、請求項1に記載の充電器。 - 前記プロセッサが、前記第1の電圧が、前記感知された電力切替トランジスタ電圧に基づいて印加される第2の周波数を識別する記憶された値を取り出すように構成される、請求項8に記載の充電器。
- 前記プロセッサが、第1の電圧が、1つ又は複数の周波数限界に印加される前記第2の周波数を識別する前記取り出された記憶された値を比較するように構成される、請求項9に記載の充電器。
- 前記第1の周波数が、前記第2の周波数が、前記1つ又は複数の周波数限界を超えない場合、前記第2の周波数に設定される、請求項10に記載の充電器。
- 前記第2の周波数が、前記1つ又は複数の周波数限界のうちの1つを超えるとき、前記第1の周波数が、前記1つ又は複数の周波数限界のうちの前記超えたものに設定される、請求項10に記載の充電器。
- 充電器であって、
充電コイルであって、周波数を有する磁界を発生させ、かつ埋め込み可能なデバイスと磁気的に結合されて、前記埋め込み可能なデバイスを再充電するように構成される、充電コイルと、
前記充電コイルに電気的に接続される、Eクラスドライバと、
少なくとも3つの周波数の間で前記磁界の前記周波数を変調するように構成される、FSKモジュールと、を備える、充電器。 - 前記少なくとも3つの周波数が、第1の周波数、第2の周波数、及び第3の周波数を含み、前記第3の周波数が最も高い周波数であり、前記第2の周波数が最も低い周波数である、請求項13に記載の充電器。
- 前記FSKモジュールに電気的に接続され、かつ前記FSKモジュールを制御するように構成される、プロセッサを更に備える、請求項14に記載の充電器。
- 前記プロセッサが、データ非伝送状態又はデータ伝送状態のいずれかにおいて、前記充電器を選択的に動作させるように構成される、請求項15に記載の充電器。
- 前記充電器が前記
データ非伝送状態において動作するとき、搬送波信号が前記第1の周波数を有する、請求項16に記載の充電器。 - 前記充電器が前記データ伝送状態において動作するとき、前記プロセッサが、前記FSKモジュールを制御して、前記第2の周波数と前記第3の周波数との間で前記搬送波信号を変調する、請求項16に記載の充電器。
- 前記FSKモジュールが、2つのコンデンサ及び2つのトランジスタを備える、請求項13に記載の充電器。
- 前記FSKモジュールの前記2つのコンデンサ及び前記2つのトランジスタが、前記2つのコンデンサが前記FSKモジュールによって前記回路内に選択的に含まれ得るように電気的に接続される、請求項19に記載の充電器。
- 前記プロセッサが、前記FSKモジュールの前記2つのトランジスタを制御して、前記FSKモジュールによって前記回路内に前記2つのコンデンサを選択的に含むように構成される、請求項20に記載の充電器。
- 前記FSKの前記回路内に前記2つのコンデンサを選択的に含むことが、前記第1、第2、及び第3の周波数の間で前記磁界の周波数を変調する、請求項21に記載の充電器。
- 埋め込み可能なデバイスの充電の間、前記埋め込み可能なデバイスと通信する方法であって、
充電コイルで充電信号を発生させることであって、前記充電信号が初期の第1の周波数を有する、発生させることと、
前記第1の周波数より低い第2の周波数と前記第1の周波数より高い第3の周波数との間で前記充電信号の前記周波数を変調することによって、データを伝送することと、を含む、方法。 - 前記埋め込み可能なデバイスの前記充電の間に、バイナリ伝送データを生成することを更に含み、前記伝送データが前記伝送されたデータである、請求項23に記載の方法。
- 前記第2の周波数と前記第3の周波数との間で充電信号の前記周波数を変調することが、前記バイナリ伝送データを伝送する、請求項24に記載の方法。
- 前記充電信号の前記周波数が、FSKモジュールによって変調される、請求項23に記載の方法。
- 前記FSKモジュールが、2つのコンデンサ及び2つのトランジスタを備える、請求項26に記載の方法。
- 前記FSKモジュールの前記2つのコンデンサ及び前記2つのトランジスタが、前記2つのコンデンサが前記FSKモジュールによって前記回路内に選択的に含まれ得るように電気的に接続され、それによって、前記充電信号の前記周波数を変調する、請求項27に記載の方法。
- 充電器を制御する方法であって、
充電器と埋め込み可能なデバイスとの間の磁気的結合を作り出すことであって、前記磁気的結合が、前記埋め込み可能なデバイスを充電する、作り出すことと、
駆動信号の初期周波数を設定することであって、前記駆動信号の前記周波数が、プロセッサによって設定され、前記駆動信号が、スイッチの開放及び閉鎖を制御する、設定することと、
第1の時間における前記スイッチでの電圧を感知することと、
前記第1の時間における前記スイッチでの前記電圧に基づいて、第2の周波数を識別する値を取り出すことと、
前記駆動信号の前記周波数を変更することと、を含む、方法。 - 前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記第2の周波数に変更することを含む、請求項29に記載の方法。
- 1つ又は複数の周波数限界を取り出すことを含み、前記周波数限界が、前記駆動信号の許容可能な周波数の範囲に対する上限及び下限を提供する、請求項29に記載の方法。
- 前記第2の周波数を前記1つ又は複数の周波数限界と比較することを含む、請求項31に記載の方法。
- 前記第2の周波数が前記1つ又は複数の周波数限界のうちの前記1つを超える場合、前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記1つ又は複数の周波数限界のうちの前記1つに変更することを含む、請求項32に記載の方法。
- 前記第2の周波数が前記1つ又は複数の周波数限界を超えない場合、前記駆動信号の前記周波数を変更することが、前記駆動信号の前記周波数を、前記第1の周波数から前記第2の周波数に変更することを含む、請求項32に記載の方法。
- 前記駆動信号の前記周波数を変更することが、伝播遅延の影響を減軽する、請求項29に記載の方法。
- 前記駆動信号の前記周波数が、複数回調節されて、前記伝播遅延の前記影響を減軽し得る、請求項35に記載の方法。
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