TW201042877A - Wireless power for charging devices - Google Patents
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- TW201042877A TW201042877A TW99103580A TW99103580A TW201042877A TW 201042877 A TW201042877 A TW 201042877A TW 99103580 A TW99103580 A TW 99103580A TW 99103580 A TW99103580 A TW 99103580A TW 201042877 A TW201042877 A TW 201042877A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
- H02J9/007—Detection of the absence of a load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
201042877 六、發明說明： 【發明所屬之技術領域】 本發明大體而言係關於無線充電’且更具體言之’係關 於包括攜帶型充電裝置之充電裝置及充電裝置之電力管 理。 本申請案根據35 U.S.C. §119(e)之規定主張以下專利申 請案之優先權： 2009年2月5日申請之名為 「WIRELESS POWER O CHARGER IN A PORTABLE DEVICE」之美國臨時專利申 請案61/150,3 02，該案之全部揭示内容特此以引用的方式 併入本文中； 2009年2月5曰申請之名為 「WIRELESS POWER ACCESSORY」之美國臨時專利申請案61/150,254，該案之 全部揭示内容特此以引用的方式併入本文中； 2009年7月28日申請之名為「POWER MANAGEMENT FOR WIRELESS CHARGING」之美國臨時專利申請案 〇 61/229,218，該案之全部揭示内容特此以引用的方式併入 本文中； 2009年7月29日申請之名為「CHARGING MODULE ACCESSORY」之美國臨時專利申請案61/229,664，該案之 全部揭示内容特此以引用的方式併入本文中；及 2009年 8 月 20 日申請之名為「DEPLOYABLE WIRELESS POWER CHARGING SYSTEM」之美國臨時專利申請案 61/235,660，該案之全部揭示内容特此以引用的方式併入 146370.doc 201042877 本文中。 【先前技術】 通常，每一電池供電裝置需要其 (其通常為从電源插座）。當許多裝置的充電器及電源 難以使用。 要充電時’此變得 正開發在傳輸器與待充電之裝置 的方法。此等方法通常落入兩個類別中。一^電力傳輸 Ο 傳輸天線與待充電之裝置上之接收天線之間的 (亦稱作遠場輻射)的麵合，該待充：面波輪射 力且餅i敕、ά 、置收集所輪射電 長产以便改ΤΙ人於對電池進行充電。天線通常具有譜振 隨著天線效率。此方法遭受以下事實：電力耗合 _ : 增加而快速衰退。因此，跨越合理距 公尺至2公尺）來充電變得困難。另外，由於 :…克輕射平面波，故若未經由渡波來進行適當控制，則益 意之輻射可干擾其他系統。 …、 ❹ 其他方法係'基於嵌人於（例如）「充電」塾或表面中之傳 輸天線與嵌入於待充電之主機裝置中之接收天線加上整流 電路之間的電感耗合。此方法具有以下缺點：傳輸天線與 接收天線之間的間隔必須非f接近（例如，幾毫米）。儘管 此方法確實具有對相同區域中之多個裝置同時進行充電的 月b力，但此區域通常為小的，因此使用者必須將該等裝置 定位至一特定區域。 需要經組態以搞接至電子裝置之攜帶型充電裝置。另 外萬要經組態以便利地置放電子裝置來使其能夠提供其 146370.doc 201042877 無線電力之電子充電裝置。亦需要經組態以在處於電力節 省模式中時偵測電子裝置之存在之充電裝置。 【實施方式】 詞語「例示性」在本文中用以意謂「充當一實例、例項 或說明」。本文中經描述為「例示性」之任一實施例未必 解釋為較其他實施例較佳或有利。
σ附加圖式所闡述之詳細描述意欲作為對本發明 之例不性實施例之描述，且並不意欲表示可實踐本發明之 僅有實施例。貫穿此描述所使用之術語「例示性」意謂 一用=一實例、例項或說明」，且未必應解釋為較其他例 π ί生實施例較佳或有利。該詳細描述出於提供對本發明之 :示性實施例之澈底理解之目的而包括特^細節。對於熟 習此貝技術者而言將顯而易&，可在無此等特定細節之情 況下實踐本發明之例示性實施例。在—些例項中，以方塊 圖形式展示熟知*士播芬姑# 、，无 ° 裝置，以便避免混淆本文中所呈現 之例示性實施例之新穎性。 導：二：」在本文中用以意謂在不使用實體電磁 p月：下在自傳輸器至接收器之間傳輸的與電場、磁 野-磁场或其他者相關聯的任何形式之能量。 ^說明根據本發明之各種例示性實施例的 =統1〇〇。將輸入電力1〇2提供至傳輪器1〇4二 詩提供能量傳送之輻㈣⑽㈣ 場106，且產生—於山+丄 主孕田射 m来H計 1〇以供輕合至輸出電力叫之 裝置（未圖不）儲存或消耗。傳輸器叫與接收器⑽兩者隔 146370.doc 201042877 開距離U2。在-例示性實施例中，根據相互餘關係來 組態傳輸器iG4與接收器1G8，且#接收器⑽之譜振頻率 與傳輸器1()4之諧振頻率非常接近時’當接收器⑽定位於 輻射场106之近場」中時，傳輸器1〇4與接收器⑽之間 的傳輸損耗為最小的。 傳輸器1G4進-步包括—用於提供用於能量傳輸之構件 的，輸天線114 ’且接收器丨崎—步包括—用於提供用於 能量接收之構件的接收天線118。根據應用及待與之相關 聯之裝置來設^傳輸天線及接收天線之大小。如所陳述， 有效能量傳送藉由將傳輸天線之近場中之大部分能量耗合 至接收天線而非以電磁波形式將大部分能量傳播至遠場而 發生°當處於此近場中肖’可在傳輸天線114與接收天線 118之間產生-耦合模式。天線114及118周圍的可發生此 近場耦合之區域在本文中稱作耦合模式區。 圖2展示無線電力傳送系統之簡化示意圖。傳輸器ι〇4包 括振靈器122、一電力放大器124及一遽波器及匹配電路 U6。該振盪器經組態以產生一所要頻率，該所要頻率可 回應於調整信號丨23來調整。振盪器信號可由電力放大器 124以回應於控制信號125之放大量來放大。可包括濾波器 及匹配電路126以濾除諧波或其他非所要之頻率且使傳輪 器1 04之阻抗與傳輸天線114匹配。 接收器108可包括一匹配電路132及一整流器及切換電路 134以產生—Dc電力輸出以對電池136(如圖2中所展示）充 电或對耦合至接收器之裝置（未圖示）供電。可包括匹配電 146370.doc 201042877 路132以使接收器108之阻抗與接收天線118匹配。接收器 1〇8與傳輪器104可在一單獨通信頻道119(例如，藍芽、紫 蜂（zigbee)、蜂巢式等）上通信。 如圖3中所說明’例示性實施例中所使用之天線可經組 態為「環形」天線150，其在本文中亦可稱作「磁性」天 線。％形天線可經組態以包括一空心磁心或一實體磁心 (諸如，鐵氧體磁心）。空心磁心環形天線可能更可容許置 q 放於該磁心附近之外來實體裝置。此外，一空心磁心環形 天線允許其他組件置放於磁心區域内。另外，一空心磁心 裱可更易於使得能夠將接收天線118(圖2)置放於傳輸天線 114(圖2)之平面内，在該平面中，傳輸天線114(圖2)之耦 合模式區之電力可更大。 如所陳述，傳輸器1〇4與接收器1〇8之間的有效能量傳送 在傳輸盗104與接收器108之間的匹配或接近匹配之諧振期 間發生。然而，甚至當傳輸器1〇4與接收器1〇8之間的諧振 〇 ^配時’亦可讀低效率傳送能量。能量傳送藉由將來 自傳輸天線之近場的能量耗合至駐留於建立了此近場之鄰 域中之接收天線而非將能量自傳輸天線傳播至自由空間中 而發生。 環形天線或磁性天線之諧振頻率係基於電感及電容。環 線中之電感大體上僅為由該環形天線產生之電感，而 體上將電4添加至環形天線之電感以在所要諧振頻率下 f生一諸振結構。作為非限制性實例，可將電容器152及 電容器154添加至天線以產生—產生諸振信號156的諸振電 146370.doc 201042877 路因此，對於較大直徑之淨开;ί *持 之電容的大小ρ荖产形 〜線而言，誘發諧振所需 外帏4 現衣 > 天線之直徑或電感增加而減小。此 外，隨著環形天線或磁性天線之直… 量傳送區域掸加片妙^ 近％之有效能 ㈣曰。L、、’其他魅電路係可能的。作為另 非限制性實例，__雷资 個端子之間… 於環形天線的兩 ，一般熟習此項技術者將認識到，對於 輸天線，譜振信號156可為至環形天線15〇的輸入。 ❹ ❹ 本發明之例示性實施例包括在處於彼此之近場中之兩個 天線^間#合電力。如所陳述’近場為在天線周圍的存在 電磁場但可能並不遠離該天線傳播或輻射的區域。其通常 於接近該天線之實體體積的體積。在本發明之例示性 實施例中，磁型天線（諸如，單匝環形天線及多匝環形天 線）用於傳輸（Tx)天線系統與接收（尺4天線系統兩者，此係 因為與電型天線（諸如，小型偶極天線）之電近場相比，磁 型天線之磁近場振幅傾向於較高。此允許該對天線之間的 潛在較高耦合。此外，亦預期「電」天線（例如，偶極及 單極）或磁性天線與電天線之組合。 Τχ天線可在足夠低之頻率下且在天線大小足夠大之情況 下操作，以在顯著大於較早所敍述之遠場及電感性途徑所 允許之距離的距離下達成至小型RX天線的良好耦合（例 如，>-4 dB)。若Τχ天線經正確設定大小，則當將主機裝 置上之Rx天線置放於受驅動Τχ環形天線之耦合模式區内 (亦即’在近場中）時，可達成高耦合位準（例如，·2至_4 dB)。 146370.doc 201042877 圖4為根據本發明之例示性實施例之傳輸器2〇〇的簡化方 塊圖。傳輪器200包括傳輸電路2〇2及一傳輸天線2〇4。大 體上γ傳輸電路202藉由提供一導致產生傳輸天線2〇4四周 之近場能量之振盪信號來將RF電力提供至傳輸天線2〇4。 作為實例，傳輸器200可在13 56 MHzISM頻帶下操作。 例示性傳輸電路202包括—固定阻抗匹配電路2〇6，其用 於將傳輸電路2G2之阻抗（例如，5G歐姆）與傳輸天線2〇4匹
及低通濾波器（LPF)208，其經組態以將諧波發射減 少至防止耦合至接收器1〇8(圖”之裝置之自干擾的位準。 其他例示性實施例可包括不同滤波器拓撲(包括(但不限於) 使特定頻率衰減同時使其他頻率通過的陷波濾波器），且 :包括-可調適阻抗匹配，其可基於可量測之傳輸量度 (諸如’至天線之輸出電力或由電力放大器沒取之DC電流） 而變化。傳輸電路202進—步包括一電力放大器21()，其經 組態以驅動如由振|器212判定之RF信號。傳輸電路可由 離散裝置或電路組成’或者可由一積體總成組成。一來自 傳輸天線204之例示'_電力輸出可為約2.5至80瓦特。 傳輸電路2〇2進一步包括一控制器214，控制器214用於 ，針對特定接收器之傳輸階段（或工作循環）期間啟用振盈 益212 7於調整該振盪器之頻率，且用於調整輸出電力 位準以實施-通信協定（用於經由相鄰裝置所附接之接收 器與相鄰裝置互動）。 傳輸電路202可進-步包括一負載感測電路216，其用於 偵測作用中接收器在由傳輸天線204產生之近場附近的存 146370.doc 201042877 在與否。作為實例，_自 放大器⑽之電流，該電路216監測流動至電力 2〇4產生之近η斤μ兒仇又作用中接收器在由傳輸天線 2〇4產生之近％附近的存在 上之加載的改變之偵^〜響。對電力放大器210 俏挪係由控希J器214監測，纟用於判定 Γ 傳輸此篁從而與一作用中接收器通 傳輸天線204可經實施為一 ^ , 穴綠贡，其具有經選擇以使 電阻性損耗保持為低的厚度、 尤度及金屬類型。在習知眘 施令’傳輸天線2〇4可大許μ γ Λ α匕 了大體上經組態以與一較大結構（諸 ° ”子、墊子、燈或其他不便攜帶之組態”目關聯。因 此，傳輸天線2〇4大體上將不需I「阻」以便具有實用尺 寸。傳輸天線2 0 4之例示付每a 1劣「 J不性貝私可為「電學上小的」（亦 即’波長之分率）且經調譜以葬由4田+ ^ 6精由使用電容器界定諧振頻 率來在較低之可用頻率下諧振。在傳輸天線204相對於接 收天線而言在直徑上或邊長上（若為正方形環）可能較大（例 如，〇·50公尺)的例示性應用巾，傳輸天線204將未必需要 大量匝數來獲得合理電容。 傳輸器鳩可聚集及追蹤關於可與傳輸器_目關聯之接 收器裝置之行蹤及狀態的資訊。因此，傳輸器電路2〇2可 包括連接至控制H 214(在本文中亦稱作處理器）之—存在偵 測器280、一封閉式偵測器29〇’或其組合。控制器川可 回應於來自存在偵測器及封閉式價測器之存在信號 而調整由放大器2!0遞送之電力之量。傳輸器可接收經由 許多電源之電力多電源諸如用以轉換存在於建築物中 146370.doc •10- 201042877 之習知AC電力的AC至DC轉換器（未圖示）、肖以將習知dc 電源轉換成適合於傳輸器200之電壓的〇(：至DC轉換器（未 圖示）’或可接收直接來自習知！)〇電源（未圖示）之電力。 Ο ❹ 作為一非限制性實例，存在偵測器28〇可為一運動偵測 器，其用以感測插入於傳輸器之覆蓋區域中之待充電之襞 置的初始存在。在傾測之後，可將傳輸器接通且可使用由 裝置接收之RF電力來以一預定方式擦跳Rx裝置上之一開 關，其又導致傳輸器之驅動點阻抗之改變。 作為另一非限制性實例，存在偵測器28〇可為一偵測 器’其能夠(例如)藉由紅外線偵測、運動制或其他合適 手段偵測人類。在-些例示性實施例中，可能存在限制— 傳輸天線可在-特定頻率下傳輸之電力之量的規則。在— 些狀況下’此等規則意欲保護人類免受電磁輕射。然而， 可能存在傳輸天線置放於人類未佔據的或人類很少佔據之 區域（諸如，車庫、廠區、車間，及其類似者）中之環境。 =等環境無人類’則可能可准許增加傳輸天線之高於標 、，'力限制規則之電力輸出。換言之，控制器可回應 在而將傳輸天線_之電力輸出調整至-管㈣ 生3低位準，且當人類在距傳輸天線204之電磁場—管 制距離之外> α Β 管制準傳輪天線204之電力輸出調整至-高於 非限制性實例，封閉編器29 器或封閉式空間_)可為-諸: ^ 置其用於判定外罩何時處於關閉或打開狀 146370.doc 201042877 怠中“專輪器處於一為封閉狀態之外罩 輸器之電力位準。 曰加傳 ==性實施例中，可使用傳輸器扇藉以不會無限地 ,、、、之方法。在此狀況下，傳輸器200可經程式化以 (尤/、疋電力放大器21〇)在其周邊之無線裝置完全 電之後長時間運作。此事件可歸因於用以偵測自中繼 接收線圈所發送的指.示裝置完全充好電之信號的電路之故 障。為了防止傳輸器200在另一裝置置放於其周邊時自動 地切斷’可僅在伯測到其周邊缺乏運動之設定週期之後啟 動傳輸益2〇〇自動切斷特徵。使用者可能夠判定不活動時 間間h ’且在需要時改變該不活動時間間隔。作為一非限 制性=例’該相間隔可比在假定_特定類型之無線裝置 最初7C全放電之情況下對該裝置完全充電所需的彼 隔長。 圖5為根據本發明之例示性實施例之接收器300的簡化方 塊圖。接收器3〇〇包括接收電路⑽及一接收天線3〇4。接 收器300進—步耦合至裝置35〇以用於將所接收之電力提供 至裝置35〇。應注意，將接收器300說明為在裝置35〇外 部’但其可整合於裝置35〇中。大體而言，能量係無線地 傳播至接收天線3〇4且接著經由接收電路3〇2而耦合至裝置 350 〇 接收天線304經調諧以在與傳輸天線2〇4(圖4)之頻率相 同的頻率下或接近相同之頻率下諧振。接收天線3〇4可與 146370.doc • 12· 201042877 傳輪天線204類似地設定尺寸，或可基於相關聯裂置35〇之 尺寸來不同地設定大小。作為實例，裝置350可為具有較 小直徑或長度尺寸的該傳輪天線2〇4之長度的直徑之攜^ 型電子裝置。在此種實例中’接收天線3〇4可經實施為多 阻天線，以便減小調譜電容器（未圖示）之電容值且增加接 收天線之阻抗。作為實例，接收天線3〇4可置放於裝置乃〇 之實質圓周周圍’以便將天線直徑最大化並減少接收天線 之環匝（亦即，繞組）的數目及繞組間電容。 、 接收電路302提供與接收天線3〇4的阻抗匹配。接收電路 3〇2包括電力轉換電路3〇6，其用於將所接收之灯能源轉換 成供裝置350使用之充電電力。電力轉換電路3〇6包括―灯 至DC轉換器308且亦可包括一 〇(：至〇(：：轉換器3i〇。rf至 DC轉換|§ 308將於接收天線3〇4處所接收之RF能量信號整 流成非交變電力，而;00至1)〇：轉換器31〇將經整流之尺？能 量信號轉換成與裝置350相容的能量電位（例如，電壓）。預 ◎期各種叩至DC轉換器，包括部分及全整流器、調節器、 橋接器、倍加器以及線性及切換轉換器、 接收電路302可進—步包括切換電路312,其用於將接收 天線304連接至電力轉換電路3〇6或者用於將電力轉換電路 3 06斷開。將接收天線3〇4與電力轉換電路斷開不僅中 止對裝置350之充電，而且亦改變傳輸器2〇〇(圖2)所「看 到」的「負載」。 、如上文所揭不，傳輸器200包括負載感測電路216，負載 感測電路216_提供至傳輸器電力放大器21()之偏麼電流 146370.doc 201042877 於判定接收器何時存在 的波動。因此，傳輸器200具有用 於傳輸器之近場中之機制。 當多個接收器300存在於傳輸器之近場中時，可能需要 對一或多個接收器之加載及卸載進行時間多工以使其他接 收益能夠更有效_合至傳輸器。亦可遮蔽—接收器以便 消除至其他附近接收之叙人 盗之耦合或減少附近傳輸器上的加
載。接收器之此「卸載」在本文中亦稱為「遮蔽」。此 外’如下文更完全地解釋，由接收器3⑽控制且由傳輸器 2〇0偵測的卸載與加載之間的此切換提供自接收器3〇〇至傳 輸器2〇〇的通信機制。另外’ 一協定可與該切換相關聯， 該協定使得能夠將訊息自接收器3⑽發送至傳輸器2〇〇。作 為實例，切換速度可為約100微秒。 在一例示性實施例中，傳輸器與接收器之間的通信指代 裝置感測及充電控制機制而非習知雙向通信。換言之傳 輸器使用所傳輸之信號之開/關鍵控，以調整近場中之能 量是否可用。接收器將此等能量改變解譯為來自傳輸器之
訊息。自接收器側，接收器使用接收天線之調諧與去諧來 調整正自近場接收到之電力的量。傳輸器可偵測來自近場 之所使用之電力的此差異，且將此等改變解譯為來自接收 器之訊息。 接收電路302可進一步包括用以識別所接收之能量波動 的傳訊偵測器及信標電路3 14，該等能量波動可對應於自 傳輸斋至接收器之資訊性傳訊。此外，傳訊及信標電路 3 14亦可用以偵測減少之RF信號能量（亦即，信標信號）的 146370.doc •14- 201042877 力以用於喚醒 ’以便組態接 傳輸並將該減少之RF信號能量整流成標稱電 接收電路3 02内之未供電或耗盡電力之電路 收電路302以用於無線充電。 Ο
接收電路302進-步包括處理器316，其用於協調本文中 所描述之接收器扇之處理（包括對本文中所描述之切換電 路312的控制）。接收器则之遮蔽亦可在其他事件（包括偵 測到將充電電力提供至裝置35〇之外部有線充電源（例如， 壁式/USB電力))發生後即發生。除了控制接收器之遮蔽之 外，處理器316亦可監測信標電路314以判定―信標狀態並 提取自傳輸器發送之訊息。處理器316亦可為獲得改良之 效能而調整DC至DC轉換器310。 圖6展不傳輸電路之用於執行傳輸器與接收器之間的訊 心傳遞之#分的簡化示意圖。在本發明之一些例示性實 施例中，可在傳輸器與接收器之間啟用一用於通信之構 件。在圖6中，電力放大器21〇驅動傳輸天線2〇4以產生輻 射％。電力放大器由載波信號22〇驅動，載波信號22〇係以 傳輸天線204之所要頻率振盪。傳輸調變信號2]4用以控制 電力放大器210之輸出。 傳輸電路可藉由使用電力放大器21〇上之開/關鍵控過程 來向接收器發送信號。換言之，當傳輸調變信號224確證 日寸，電力放大器210將在傳輸天線204上向外驅動載波信號 220之頻率。當傳輸調變信號224否定時’電力放大器將不 在傳輸天線204上向外驅動任何頻率。 圖6之傳輸電路亦包括一負載感測電路216，其將電力供 146370.doc 15 201042877 應至電力放大器2i〇且產生一接收信號235輸出。在負載感 測電路216中，電阻器仏上之電壓降產生於電力輸入信號 226與至電力放大器210之電力供應228之間。由電力放大 器210消耗之電力之任何改變將引起電壓降之改變，電壓 降之改變將由差動放大器230放大。當傳輸天線處於與接 收器（圖6中未展示）中之接收天線的耦合模式中時由電力 放大器210汲取之電流之量將改變。換言之，若傳輸天線 204不存在耦合模式諧振，則驅動輻射場所需之電力將為 第一量。若存在耦合模式諧振，則由電力放大器21〇消耗 之電力之量將上升（因為大量電力耦合至接收天線）。因 此’接收信號23 5可指示耦合至傳輸天線204之接收天線之 存在且亦可偵測自接收天線所發送之信號。另外，接收器 電流汲取之改變將可在傳輸器之電力放大器電流汲取中觀 察到，且此改變可用以偵測來自接收天線之信號。 遮蔽信號、信標信號及用於產生此等信號之電路之一些 例示性實施例的細節可參看以下美國實用專利申請案： 2008年 10 月 10 曰申請之名為「REVERSE LINK SIGNALING VIA RECEIVE ANTENNA IMPEDANCE MODULATION」之美 國實用專利申請案12/249,873 ;及2008年10月10曰申請之 名為「TRANSMIT POWER CONTROL FOR A WIRELESS CHARGING SYSTEM」之美國實用專利申請案12/249,861， 該兩個申請案之全文以引用的方式併入本文中。
例示性通信機制及協定之細節可參看2008年10月10曰申 請之名為「SIGNALING CHARGING IN WIRELESS 146370.doc • 16 201042877 POWER ENVIR0NMENT」之美國實用專利申請案12/249 866， 該申請案之内容之全文以引用的方式併入本文中。 圖7至圖17說明一主機裝置4〇〇，其具有傳輸電路（例 如，圖4之傳輸電路202)及可操作耦接至其且經組態以在 相關聯之近場區内無線地傳輸電力的至少一傳輸天線 402注思、，傳輸電路及相關聯之一或多個傳輸天線在本 文中亦可稱為「充電設備」、「充電平台」或「主機裝置周 邊設備」。因此，主機裝置周邊設備經組態以耦接至一主 〇 機裝置。儘管在圖7至圖17中將主機裝置料為膝上型 電腦，但並非如此限制本發明之實施例。實情為，主機裝 置400可包含任何已知且合適之電子裝置。 傳輸天線402可以任何合適方式及在任何合適位置處耦 接至主機裝置400。舉例而言，如圖7及圖8中所說明，傳 輸天線402可耦接至主機裝置4〇〇之外罩4〇8(在圖7及圖8中 之每一者中經說明為處於「打開」位置）。更具體言之， 〇 參看圖7 ’傳輸天線402可鄰近於外罩4〇8之表面4〇6而定 位，其中表面406與具有顯示螢幕之表面（未圖示）相對。作 為另一實例，如圖8中所說明，傳輸天線4〇2可定位於外罩 408之另一表面410周圍且鄰近該表面41〇，其中表面41〇實 質上垂直於表面406及具有顯示螢幕之表面（未圖示）中之每 一者。作為又一實例，如圖9中所說明，傳輸天線4〇2可鄰 近於主機裝置400之基座414之表面412而定位，其中表面 4i2可鄰近於主機裝置彻之鍵盤416。注意，傳輸天線術 可以-方式輕接至主機裝置4〇〇,以避免傳輸天線術與主 146370.doc •17 - 201042877 機裝置400之任何金屬組件（例如，主機裝置4〇〇之金屬顯 示器）之間的電子干擾。進一步注意，儘管圖7至圖9說明 具有輕接至其之單一傳輸天線的主機裝置4〇〇，但並非如 此限制本發明之實施例。實情為，具有複數個傳輸天線之 主機裝置在本發明之範嘴内。 圖1〇說明具有傳輸天線402的主機裝置400，該傳輸天線 402耦接至g亥主機裝置4〇〇且鄰近於外罩之表面而定 位，该外罩408在圖1〇中經描繪為處於「閉合」位置。此 卜電子凌置420可定位於表面406上且處於傳輸天線402 Ο 之近場區内，且因此可接收由傳輸天線4〇2無線地傳輸之 電力。更具體言之’自傳輸天線4〇2傳輸之電力可由接收 天線（例如’圖2之接收天線11 8)及接收器（例如，圖2之接 收器1 0 8 )接收到，該接 §亥接收器耦接至電子裝置42〇。注意，
電之裝置。
該附接裝置 146370.doc •18- 201042877 422耦接至外罩4〇8。作為又一實例，外罩4〇8及電子裝置 420中之母一者可包括一 Velcro®墊，以使得外罩4〇8與電 子裝置420能夠附接在一起。另外，如圖12中所說明，主 機裝置4GG可包括—口袋似，該口袋似緊靠外罩彻而定 • 位且經組態以固持一或多個電子裝置（諸如，電子裝置420) 使其緊靠外罩408且處於傳輸天線4〇2之近場内。另外，如 ^13中所說明’―或多個電子裝置（諸如’電子裝置420)可 ❹疋位於基座414之表面4丨2上且處於傳輸天線4〇2之近場區 内，該傳輸天線402鄰近於表面412而定位。 圖14及圖15說明附接至主機裝置4〇〇之充電墊。具體 言之，圖14說明鄰近外罩4〇8之表面4〇6(見圖7)而定位之充 電塾426。另外’圖15說明在—遠離表面傷之向下撰疊位 置（folded down position)中的充電墊426。根據一例示性實 施例，充電塾426可以-方式附接至主機裝置4⑻以使充電 墊426能夠繞主機襄置4〇〇之基座414樞轉。更呈體令之， ◎ A電墊426可經組態以以一類似於外罩但獨线外罩 彻）之方式繞基座414樞轉。根據另一例示性實施例，充 電塾426可經組態以自主機裝置4⑼之—部分滑出及縮回至 主機褒置彻之該部分中。此外，充電墊426可包含一麵接 至主機裝置400且經組態以接收來自主機装置侧之電力的 傳輸天線403。如圖15中所說明，電子裳置42()可定位於充 電墊426之内表面（亦即，經組態以鄰接表面傷之表面） 上，且可接收自傳輸天線4〇3無線地傳輸之電力。注意， 電子裝置420亦可定位於充電墊426之外表面（亦即^經 146370.doc -19· 201042877 組態以鄰接表面406之表面相對的表面）上，且可接收自傳 輸天線403無線地傳輪之電力。 ύ 圖16及圖17各自說明-充電系統5〇〇，其包括一經组離 以可操作純至一電源（例如，主機裝置4〇〇)且接收來自該 電源之電力的充電塾502。更具體言之，充電塾5〇2可包括 可細作耗接至其之-或多個傳輸天線5()3，且可經組態以 用於在操作中經由電連接器5〇6而辆接至一電源(例如，主 機^置400)。作為非限制性實例，電連接器咖可包含一 仏組W㈣至主機裝置彻之電連接器（例如，刪淳或 外部電力插頭）的抽取式電力線。圖16說明與主機裝置_ 電_之充電墊5〇2’且圖17說明經由電連接器5〇6而電輛 接至主機裳置400之充雷執so， ^ . 一、， 兄冤墊502。儘官將充電墊502說明為 〇 平面充電墊’但並非如此限制本發明之實施例。實情 為，具有任何形狀（包括三維物件）之充電塾在本發明之範 嘴内。另外，如圖17中所說明，-或多個電子裝置(例 如，電子裝置420)可定位於充電塾5〇2之表面上且可接 收自傳輸天線5〇3無線地傳輸之電力。 圖18為根據本發明之另一例示性實施例之攜帶型主機褒 =周邊設借別。主機裘置周邊設備55〇可包括無線電力傳 輸器(例如，圖4之傳輸器2〇〇)及無線電力接收器(例如，圖 5之接收器·)兩者。因此，主機裝置周邊設備⑽可包括 專用傳輪與接收電路及至少一天線55】，該至少一天線如 讀態以在相關聯之近場區内無線地傳輸電力。注音，傳 輸與接收電路連同相關聯之天線在本文中可稱為「無線電 1463 70.doc -20- 201042877 力充電-又備」。結果，主機裝置周邊設備5 5 〇可經組態以用 於雙向無線充電，即，接收無線電力與傳輸無線電力之能 力此雙向無線充電之例示性方法描述於2〇〇9年9月1曰申 '月之名為「BIDIRECTIONAL WIRELESS POWER TRANSMISSION」之美國專利申請案第12/552，11〇號中， »亥案之細筇以引用的方式併入本文中。無線電力裝置 可進步包含—能量儲存裝置552，該能量儲存裝置552可 包3 (僅舉例而言）可充電電池、儲存電容器、MEMS能量 儲存裝置或其任何組合。 根據一例示性實施例，主機裝置周邊設備55〇經組態以 耦接至一主機装置。舉例而言，主機裝置周邊設備550可 經組態以用於至一主機裝置（諸如（僅舉例而言），電腦）之 電耦接及機械耦接兩者。僅舉例而言，參看圖19，主機裝 置周邊叹備550可經組態以用於插入（由箭頭555描繪）電子 裝置556之標準空腔554(例如，驅動器機架⑽)） 〇 内，該電子裝置556在本文中亦可稱為「主機裝置」。作為 一較特定實例，主機裝置周邊設備MO可經組態以定位於 膝上型電腦之驅動器機架内且附接至該驅動器機架。另 外，如一般熟習此項技術者將理解，驅動器機架（例如， 空腔554)可包括—電埠（eleetHeal p(m)，該電埠經組態以 將定位於其中之裝置（例如，無線電力袭置55〇)經由電連接 器562電純至能量儲存裝置⑸。僅舉例而言，能量儲存 裝置558可包含可充電電池、儲存電容器、姻副能量儲 存裝置或，、任何組合。注思，根據一例示性實施例，主機 146370.doc -21 - 201042877 裝置周邊設備550可整合於一電子裝置内。根據另一例示 性實施例’如上文所提及，主機裝置周邊設備550可經組 態以插入於一主機裝置内且可與該主機裝置分開。 圖20說明一無線系統560，其具有定位於電子裝置556之 空腔554内的主機裝置周邊設備55〇。另外，若所說明，主 機裝置周邊設備550可在操作中經由電連接器562耦接至能 量儲存裝置5 5 8。此外，根據一例示性實施例，無線系統 560可包括一電源565，該電源565在電子裝置556外部且經 組態以經由電連接器566將電力傳送至電子裝置556。僅舉❹ 電源565可包含電源插座。在圖2〇中所描繪之例 示性實施例中，主機裝置周邊設備55〇可經組態以經由電 §亥傳輸天線
主機裝置周邊設備55〇可經組態以爽 ;以無線地接收 量儲存裝置552 來自傳輸天線553之電力且將電力儲存於能 連接器566及562接收電力 另外’在接收到電力後，無線
明，另一無線系統561可包括一傳輸天線553,該傳輸天線 553經組態以無線地傳輸電力，該電力可由主機裝置周邊 1463 70.doc •22· 201042877 如圖23中所說明，且根據另一例示性實施例，主機裝置 周邊設備550可包括一可展開部分（㈣丨^… P〇=1〇n)564。因此，在將主機裝置周邊設備550定位於電 子裝置556之空腔554内之後’部分可經組態以自電子 裝置556伸出(亦即’向外展開)。換言之，主機裝置周邊設 備。。之&刀564可以類似於CD驅動器之一部分或DVD驅 動器之-部分會自相關聯之電腦「彈出」@方式自電子裝 置556彈出。注意，主機裝置周邊設備55〇之部分可包 括天線551(見圖18)。因此，主機裝置周邊設備55〇之部分 564可經組態以將電力無線地傳輸至定位於天線55 1之近場 區内的另一電子裝置（例如，行動電話）。注意，部分564可 包括一經組態以用於將一或多個電子裝置定位於其上之表 面。提供一經組態以用於插入一主機結構内且具有一經組 態以用於無線地傳輸電力之可展開部分的充電裝置可減少 耦接至該部分之無線天線與主機結構之間的不合需要之耦 合。 根據圖24中所說明之例示性實施例，主機裝置周邊設備 550可經組態以接收來自電源565、能量儲存裝置”/、能 量儲存裳置552(見圖18)或其任何組合之電力，且將電力無 線地傳輸至-或多個電子裝置57〇，該—或多個電子裝置 570定位於天線551(見圖18)之相關聯之近場區内。更具體 言之’僅舉例而言’主機裝置周邊設備55〇可經組態:二 電力無線地傳輸至定位於部分564之表面上的—或多個電 子裝置570。另外，根據圖25中所描繪之另一例示性實施 146370.doc -23- 201042877 例，主機裝置周邊設備550可經組態以接收來自傳輪天線 553、能㈣存裝置558、能量儲存裝置说（見圖18)或其任 何組合之電力，且將電力無線地傳輸至一或多個電子裝置 570’該-或多個電子裝置別定位於天線551(見圖18):相 關聯之近場區内。另外’在圖25中所描綠之例示性實施例 中，無線電力裝置可經組態以將自傳輸天線553接收到之 電力傳送至能量儲存裝置558、能量儲存裝置552(見圖Μ) 或其任何組合。 此外，在圖26中所說明之例示性實施例中，主機裝置^ 邊設備550可經組態以將儲存於能量儲存裝置552(見圖^ 中之電力無線地傳輸至一或多個電子裝置57〇、將電力击 供至能量儲存裝置558,或其任何組合。此外，如圖Π
所說明’主機裝置周邊設備55G(其經描纷為與電子裂置（亦 即，電子裝置556)㈣）可將儲存於能㈣存裝置奶（見圖 18)中之電力無線地傳輸至定位於天線551之近場區内的一 或多個電子裝置57〇。另外，參相28，主機裝置周邊設 備550(其經描繪為與電子褒置（亦即，電子裝置州）解福） 可經組態以接收來自傳輸天線553、能量儲存裝置552(見 圖18)或其任何組合之電力’且將電力無線地傳輸至一或 多個電子裝置570，該—或多個電子裝置57〇定位於天線 551—之相關聯之近場區内。此外，在圖财所描緣之例示 只包例+自冑輸天線553無線地傳輸之電力可儲存於 能量儲存裝置552内。 圖2 9為說明根據一或多個例示性實施例之方法6 8 〇的流 146370.doc •24· 201042877 程圖。方法680可包括將主機裝置周邊設備電耦接至一主 機裝置（由數字682描繪）。方法68〇可進—步包括將電力自 主機裝置周邊設備傳輸至至少一可充電電池（由數字684描 繪）。 田 如一般熟習此項技術者將理解，電子裝置（諸如，充電 裝置）可經組態以在各種模式下操作，諸如 :作用中」模式、「待命」模式、「睡眠」模式或= 〇 模式。此外，如-般熟習此項技術者將理解，當在電力節 省模式（例如，「待命」模式或「睡眠」模式）下操作時，習 知之充電裝置可不會經組態以偵測緊靠其定位或耦接至其 之電子裝置的存在。 根據本發明之料性實施例，充電裝置可經組態則貞測 一電子裝置且在偵測到電子裝置之後自電力節省模式轉變 至充電模式。更具體言之，充電設備或裝置(例如，圖7至 圖17中所說明之電子裝置4〇〇)可經組態以在於電力節省模 〇 <下㈣的同時制電子裝置（❹，圖m子裝置叫 之存在。又，再具體言之，當在電力節省模式（諸如（僅舉 例而言），「待命」模式、「睡眠」模式或其任何組合）下操 作日守，充電裝置可經組態以伯測定位於相關聯之近場區内 抑或經由有線連接搞接至其之電子裝置的存在。 僅+例而5 ’可㈣充電裝置之傳輸天線（例如，傳輸 、: &圖7)與在電子裝置内且經組態以用於接收a 線電力之天線(未圖示)之間的近場通信來谓測電子裝置： 存在。作為另一實例，充電裝置mu以㈣連接至t 146370.doc -25- 201042877 =置之射頻識別（咖D)標鐵的存在。作為又—實例，充 u置可以在電子裝置經由有線連接器而電编接至 充電裝置之後偵測電子裝置的存在。 圖職明-經組態以用於在於電力節省模式下操作的同 時摘測電子裝置之存在的充電裝置之狀態機圖_。此 外’在圖30中亦說明與該充電裝置相關聯之傳輸器(例 如，圖4之傳輸器202)的狀態機圖9〇2。根據圖辦所說明 之-例示性實施例，當充電裝置在電力節省模式则下操 作時，相關聯之傳輸器可保持在正常操作㈣912下，且 因此可經組態以根據任何已知且合適之方法來_定位於 相關聯之近場區内之電子裝置的存在。在偵測到電子裝置 之後’充電裝置可自電力節省模式91〇轉變至充電 916。 省模式下操作的同 —狀態機圖920。 圖3 1說明一經組態以用於在於電力節 時偵測電子裝置之存在的充電裝置之另 此外，在圖3丨中亦說明與該充電裝置相關聯之傳輸μ例 如，圖4之傳輸器202)的狀態機圖922。根據另一例示性實 施例’當在電力節省模式924下操作時，充電裝置可經組 態以週期性地進入一「偵測」狀態中，在該「偵測」狀態 中，相關聯之傳輸器彳自電力節省模式93〇臨時轉變至正 常操作狀態932中。因此，當在正常操作狀態932中時，傳 輸器可根據任何已知且合適之方法約貞測^位於相關聯之 近场區内之電子裝置的存在。在價測到電子裝置之後，充 電裝置可自電力節省模式924轉變至充電模式926。 146370.doc -26 - 201042877 圖32為說明根據一或多個例示性實施例之另—方法69〇 的流程圖。方法69G可包括藉由—充電裝置㈣測至少 電，裝置（由數字69·會）。此外，方法_可包括在_ 到忒至；一電子裝置之後將該充電裝置自電力節省模式切 換至充電模式（由數字694描繪）。 熟習此項技術者應理解，可使用多種不同技術中之任一 者來表不育訊及信號。舉例而言，可藉由電壓、電流、電 磁波、磁場或磁粒子、光場或光粒子或其任何組合來表示 可能貫穿上述描述而參考之資料、指令、命令、資訊、作 號、位元、符號及碼片。 热習此項技術者應進一步瞭解，結合本文中所揭示之例 示性實施例所描述的各種說明性邏輯區塊、模组、電路及 演算法步驟可經實施為電子硬體、電腦軟體或兩者之組 合。為了清楚地說明硬體與軟體之此互換性，上文已大體 在功能性方面描述了各種說明性組件、區塊、模組、電路 〇 及步驟。將此功能性實施為硬體還是軟體視特定應用及強 加於整個系統之設計約束而定。熟習此項技術者可對於每 一特定應用以變化之方式實施所描述之功能性，但此等實 施決策不應被解釋為會引起偏離本發明之例示性實施例之 範疇。 結合本文中所揭示之例示性實施例所描述的各種說明性 邏輯區塊、模組及電路可用通用處理器、數位信號處理器 (DSP)、特殊應用積體電路（ASIC)、場可程式化閘陣列 (FPGA)或其他可程式化邏輯裝置、離散閘或電晶體邏輯、 146370.doc -27- 201042877 離散硬體組件或其經設計以執行本文中所描述之功能的任 何組合來實施或執杆。诵 通用處理态可為微處理器，但在替 ㈣中，處理器可為任何習知之處理器、控制器、微控制 器或狀態機。亦可將虚；^ & τ將處理咨實施為計算裝置之組合，例 如DSP與微處理器之組合、複數個微處理器、结合Dsp 核心之-❹個微處理器，或任何其他此組態。 、‘ 口本文中所揭示之例示性實施例所描述之方法或演算 可直接體現於硬財、由處判執行之軟體模組 兩者之組合中。軟體模組可駐留於隨機存取記憶 一 快閃圮憶體、唯讀記憶體（ROM)、電可程式化 M(EPROM)、電可抹除可程式化R〇M(E咖〇M)、暫存 器、硬碟、抽取式磁碟、CD_R〇M或此項技術中已知的任 :八他幵/式之儲存媒體中。將例示性儲存媒體耗接至處理 器，以使得該處理器可自該儲存媒體讀取資訊，並可將資 訊寫入至該儲存媒體。在替代例中，儲存媒體可整合至處 理器。處理器及儲存媒體可駐留於ASIC中。ask：可駐留 A離，者、端機中。在替代例中，處理器及儲存媒體可作 為離散組件駐留於❹者終端機中。 示性實施例中，可以硬體、軟體、動體或 .7、’且合來貫施所描述之功能。若以軟體來實施，則可 ^ 作為-或多個指令或程式瑪儲存於電腦可讀媒 存媒2電腦可讀媒體上傳輸。電腦可讀媒體包括電腦儲 、n㈣體（通信媒體包括促進電腦程式自一處至 傳送的任何媒體）兩者。儲存媒體可為可由電腦 146370.doc -28- 201042877
存取之任何可用媒體。作為實例且非限制，此電腦可讀媒 體可包含RAM、ROM、EEPROM、CD_R0M或其他光碟儲 存器、磁碟儲存器或其他磁性儲存裝置，或可用於以指令 或資料結構之形式載運或儲存所要之程式碼且可由電腦存 取的任何其他媒體。又，將任何連接適當地稱為電腦可讀 媒體。舉例而言，若使用同軸電纜、光纖電纜、雙絞線、 數位用戶線（DSL)或諸如紅外線、無、線電及微波之無線技 術而自網站、伺服器或其他遠端源傳輸軟體，則同軸電 纔、光纖轉、雙絞線、DSL或諸如紅外線、無線電及微 波之無線技術包括在媒體之定義中。如本文中所使用之磁 碟及光碟包括光碟（CD)、雷射光碟、光學光碟、數位影音 光碟（DVD)、軟性磁碟及藍光（blu_ray)光碟，其中磁碟通 常磁性地再現資料’而光碟藉由雷射光學地再現資料。上 述之組合亦應包括在電腦可讀媒體之範疇内。 提供所揭示之例示性實施例之先前描述以使得任何孰習 此項技術者能夠製造或使用本發明。對於熟習此項技術者 而Q對此等例示性貫施例之各種修改將容易顯而易見， 且可在不偏離本發明之精神或範疇之情況下將本文中所定 義之-般原理應用於其他實施例。因&，本發明不意欲限 於本文中所展示之例示性實施例，而應符合與本文中所揭 示之原理及新穎特徵一致的最寬範疇。 【圖式簡單說明】 圖1展示無線電力傳送系統之簡化方塊圖。 圖2展示無線電力傳送系統之簡化示意圖。 146370.doc •29· 201042877 圖3展示用於本發明之例 意圖。 不性實施例中之環形天線的示 圖 圖4為根據本發明之例示性實施例之傳輸器的簡化方塊 圖 圖5為根據本發明之例示性實施例之接收器 的簡化方塊 器與接收器之間的訊 圖6展示傳輸電路之用於執行傳輸 息傳遞之一部分的簡化示意圖。
圖7說明根據本發明之例示性實施例之充電裝置，其具 有鄰近於其一纟面而定位<至少一傳輸天線。 _圖8為根據本發明之例示性實施例之圖7之充電裝置的另 -描繪’該充電裝置包括鄰近於其另一表面而定位之至少 一傳輸天線。 圖9為根據本發明之例示性實施例之圖7及圖8之充電裝 置的又-㈣，該充電裝置具有鄰近於其又—表面而定位 之至少一傳輸天線。 圖1 〇»兒明根據本發明之例示性實施例之充電裝置其具❹ 有定位於其上之電子裝置。 圖11»兒明根據本發明之例示性實施例之充電裝置，其具 有附接至其之電子裝置。 圖12 4明根據本發明之例示性實施例之充電裝置，其具 有口袋及定位於其中之電子裝置。 圖13說明根據本發明之例示性實施例之另一充電裝置， 其具有定位於其上之電子裝置。 1463 70.doc -30- 201042877 圖14及圖1 5說明根據本發明之例示性實施例之包含充電 墊的充電裝置。 圖1 6及圖17說明根據本發明之例示性實施例之包含電子 裝置及充電墊的充電系統。 圖1 8說明根據本發明之例示性實施例之攜帶型無線電力 裝置。
圖19說明根據本發明之例示性實施例之系統，其包括電 子裝置及攜帶型無線電力裝置。 〃 圖20說明根據本發明之例示性實施例之系統，其包括定 位於電子裝置内之攜帶型無線電力裝置。 圖21說明根據本發明之例示性實施例之系統，其包 靠定位於電子裝置内之攜帶型無線 ：’、 線。 机直的無線傳輪天 ’其包括緊 ’其包括具 裝置。 ’其包括耦 之攜帶型無 圖22說明根據本發明之例示性實施例之系統 靠攜帶型無線電力裝置之無線傳輸天線。 圖2 3說明根據本發明之例示性實施例之系統 有一自電子系統展開之部分之携帶型無線電力 圖24說明根據本發明之例示性實施例之系統 接至外部電源且具有一自電子系統展開之呷、八 線電力裝置，該部分上定位有電子裝置。刀 统’其包括緊 之攜帶型無線 土圖25說明根據本發明之例示性實施例之系 靠傳輪天線且具有一自電子系統展開之部分 電力裝置’該部分上定位有電子裝置。 圖26說明根據本發明 之例示性實施例之系統 其包括定 1463 70.doc 201042877 置，該攜帶型無線電 ’該部分上定位有電 位於電子裝置内之攜帶型無線電力裝 力裝置具有一自電子系統展開之部分 子裝置。 帶型無線電力 圖2 7 s兒明根據本發明之例示性實施例之攜 裝置，其具有定位於其上之電子裝置。 圖28說明根據本發明之例示性實施例之無線傳輸天線， 其緊靠具有定位於其上之電子裝置的攜帶型無線電力裝 圖29為說明根據本發明之例示性實施例之方法的流程 圖。 圖3 0說明根據本發明之例示性實施例之充電裝置的狀態 機圖。 圖3 1說明根據本發明之例示性實施例之充電裝置的另 狀態機圖。 圖3 2為說明根據本發明之例示性實施例之另一方法的流 程圖。 【主要元件符號說明】 100 無線傳輸或充電系統 102 輸入電力 104 傳輪器 106 輻射場 108 接收器 110 輸出電力 112 距離 146370.doc •32· 201042877
114 傳輸天線 118 接收天線 119 通信頻道 122 振盪器 123 調整信號 124 功率放大器 125 控制信號 126 濾波器及匹配電路 132 匹配電路 134 整流器及切換電路 136 電池 150 環形天線 152 電容器 154 電容器 156 諧振信號 200 傳輸器 202 傳輸電路 204 傳輸天線 206 固定阻抗匹配電路 208 低通濾波器（LPF) 210 功率放大器 212 振盪器 214 控制器 216 負載感測電路 146370.doc -33- 201042877 220 載波信號 224 傳輸調變信號 226 電力輸入信號 228 電力供應 230 差動放大器 235 接收信號 280 存在偵測器 290 封閉式偵測器 300 接收器 302 接收電路 304 接收天線 306 電力轉換電路 308 RF至DC轉換器 310 DC至DC轉換器 312 切換電路 314 傳訊偵測器及信標電路/信標電路 316 處理器 350 裝置 400 主機裝置 402 傳輸天線 403 傳輸天線 406 表面 408 外罩 410 表面 146370.doc -34- 201042877
412 表面 414 基座 416 鍵盤 420 電子裝置 422 附接裝置 424 口袋 426 充電墊 500 充電系統 502 充電墊 503 傳輸天線 506 電連接器 550 主機裝置周邊設備 551 天線 552 能量儲存裝置 553 傳輸天線 554 標準空腔 555 箭頭 556 電子裝置. 558 能量儲存裝置 560 無線系統 561 無線糸統 562 電連接器 564 可展開部分 565 電源 146370.doc -35- 201042877 566 電連接器 570 電子裝置 900 狀態機圖 902 狀態機圖 910 電力節省模式 912 正常操作狀態 916 充電模式 920 狀態機圖 922 狀態機圖 924 電力節省模式 926 充電模式 930 電力節省模式 932 正常操作狀態 146370.doc -36-
Claims (1)
- 201042877 七、申請專利範圍： 1. 一種主機裝置周邊設備，其包含： 一無線電力充電設備，其包括： 傳輪電路；及 至少一天線，其耦接至該傳輪電路且經組態以在一 相關聯之近場區内無線地傳輸電力； 一中°亥主機裝置周邊設備經纟且態以耦接至一主機 裝置。 Ο2,如凊求項1之主機裝置周邊設備，其中該主機裳置周邊 設備經組態以定位於該主機裝置之—驅動器機架内。 3·如請求項1之主機裝置周邊設備，其中該主機裝置周邊 设備經組態以電耦接至該主機裝置之一可充電電池及一 電耦接至該主機裝置之外部電源中的每一者。 4·如請求項1之主機裝置周邊設備， 設備進—步包含—經組態以接收來 量健存聚置。 其中該主機裝置周邊 自一電源之電力的能 5.如请求項4之主機裝置周邊設備 门遭°又肖&中該主機裝置周邊 政備讀態以將電力傳送至該可充電電池、—電子裝置 及該能量儲存裝置中之至少一者。 6. 如請求項4之主機裝置周邊設備， Π透《又備其中邊主機裝置周邊 6又備，、翌組態以無線地傳輸自該可 驻英《一， 〇电€池、該能量儲存 裝置亥外部電源中之至少一者接收到之電力。 7. 如請求項1之主機裝置周邊設備，農 作一 η透°又備其進—步包含一經組 以接收無線電力之接收器。 146370.doc 201042877 8. 9. 10. 11. 12. 13. 14. 15. 16 如請求項1之主機裝置周邊設備，其中該主機裝置周邊 設備經整合至該主機裝置中。 如β求項1之主機裝置周邊設備，其中該主機裝置周邊 設備包含一經組態以自該主機裝置延伸且包含該至少一 天線之部分。 如請求項1之主機裝置周邊設備，其中主機裝置周邊設 備進—步包含—能量儲存裝置且可與該主機裝置分開。 如請求項1之主機裝置周邊設備，其中主機裝置周邊設 備進—步經組態以： 偵測—電子裝置；及 在偵測到該電子裝置之後自一電力節省模式轉變至一 充電模式。 如請求項11之主機裝置周邊設備，其中該至少一天線中 之一或多個天線耦接至該主機裝置之一外罩。 如明求項12之主機裝置周邊設備，其進一步包含一附接 裝置忒附接裝置耦接至該主機裴置之該外罩且經組態 以將至少一電子裝置附接至該外罩。 :°月求項12之主機裝置周邊設備，其進—步包含一口 衣°亥口袋緊靠該主機裝置之該外罩而定位且經组離以 用於置放一或多個電子袈置。 〜 項U之主機裝置周邊設備’其進-步包含一充電 ’ 5亥充電墊耦接至該充電裝置且包括該至少一天線中 之一或多個天線。 :項11之主機U周邊設備，其中該主機裝置周邊 146370.doc 201042877 §史傷機械地耦接至該主機裝置之一基座且經組態以繞該 主機裝置之該基座枢轉。 17·如凊求項u之主機裝置周邊設備，其中該主機裝置周邊 δ又備經組態以自該主機裝置之一部分滑出及縮回至該主 機裴置之該部分中。 18. 如請求項丨丨之主機裝置周邊設備，其中該至少一天線中 之—或多個天線耦接至該主機裴置之基座之一緊靠一鍵 盤的表面。 〇 19. 一種方法，其包含： 將—主機裝置周邊設備電耦接至一主機裝置；及 將無線電力自該主機裝置周邊設備傳輸至一可充電電 池及一電子裝置中之至少—者。 一步包含將該主機裝置周邊設機裝置之一可充電電池。 如請求項19之方法，其進一 備機械地耦接於一主機裝置之該可充電電池。 方法，其中將電力自該主機裝 可充電電池包含將電力傳輪至 裝置周邊設備 至該主機裝置 24.如請求項19之方法，其中 傳輸至一可充電電池及— 其中將電力自該主機裝 及—電子裝置中之至少 置周邊設備 一者包含將 146370.doc 201042877 電力無線地傳輸至一定位於該主機裝置周邊設備之一表 面上的電子裝置。 25·如請求項19之方法，其進一步包含將電力自一傳輪天線 無線地傳輸至該主機裝置周邊設備。 26. 如請求項19之方法，其進一步包含： 藉由該主機裝置周邊設備來偵測至少一電子裝置·，及 在偵測到該至少一電子裝置之後將該主機裝置自一電 力節省模式切換至一充電模式。 27. 如請求項26之方法，其中偵測包含藉由該主機裝置周邊 設備之一無線傳輸器來偵測該至少一電子裝置。 28. 如請求項26之方法，其中偵測包含經由一耦接至該主機 裝置周邊没備之傳輸天線與至少一電子裝置内之—天線 之間的近場通信來偵測該至少一電子襄置。 其中偵測包含偵測一連接至該至少 29.如請求項26之方法， 一電子裝置之射頻識別（RFID)標籤。 30.如請求項26之方法，其中將該主機裝置自一電力節省模 式切換至一《電模4包含在_到該至少一 後將該主機裝置自_ ^ ±*± V?— 例衣罝目符命模式及一睡眠模式中之至少— 者切換至一充電模式。 夕 31_ —種無線電力系統，該系統包含： 用於將一 一主機裝置周邊設備電耦接至一 件；及 主機裝置之構 至至少一可充 用於將電力自該主機裝置周邊設備傳輸 電電池之構件。 146370.doc
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| JP5560291B2 (ja) | 2014-07-23 |
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| CN102308454B (zh) | 2015-04-29 |
| EP2394349A2 (en) | 2011-12-14 |
| WO2010091292A2 (en) | 2010-08-12 |
| WO2010091292A3 (en) | 2011-05-19 |
| US9130394B2 (en) | 2015-09-08 |
| KR20110112867A (ko) | 2011-10-13 |
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