本次调用的模型名称：DeepSeek-R1。
对比文件名称：2011-07-27_EP2347494A_发明公开_EP2347494A2 POWER SYSTEM
目标专利名称：391用于检测和识别无线电力装置的系统和方法CN103782521B
### 特征比对表格
| 技术特征描述以及公开性判断结果 | 对比文件原文引用 | 公开性论述 |
| 技术特征A《直接公开》 | [0089]段：“There is a wireless power supply 102 which takes electrical power and transmits this power to a portable device 104.”；[0091]段：“If there is a valid device requiring power and no foreign objects present, then the control unit 208 will activate the Inverter 210 to supply current to the tank circuit, which includes the primary coil 212 and capacitor 214, to deliver power to the portable device (not shown).”；[0128]段：“...deduce that the device is of a particular type and therefore adapt its frequency and/or voltage/current/power levels accordingly.” | 对比文件明确公开了无线电力供应单元（相当于无线电力发射器）向便携设备（具有无线电力接收器的装置）传递电力。例如，[0089]段描述了系统的基本功能，[0091]段描述了在检测到有效设备且无异物时，控制单元激活逆变器向初级线圈供电以向便携设备传递电力。这直接公开了技术特征A“所述无线电力发射器经配置以将电力传递到具有无线电力接收器的装置”。 |
| 技术特征B《直接公开》 | [0089]段：“The down-converted voltage is used to drive an Inverter 110. The Inverter 110 generates an AC voltage which is applied to the tank circuit, which includes a capacitor 114 and a primary coil 112.”；[0091]段：“...the control unit 208 will activate the Inverter 210 to supply current to the tank circuit, which includes the primary coil 212 and capacitor 214, to deliver power to the portable device...” | 对比文件中的逆变器（Inverter 110, 210）产生交流电压并施加到包含初级线圈的谐振回路，从而产生用于电力传递的场。逆变器及其驱动电路共同构成了产生驱动信号以驱动输出无线电力场的“驱动器”。因此，该技术特征被对比文件直接公开。 |
| 技术特征C《直接公开》 | [0091]段：“The Sense Circuit 206 detects when an object is placed in (or removed from) the proximity of the Wireless power supply 200...”；[0092]段：“Foreign objects may be detected using a method disclosed in GB2414121... The wireless power supply 200 measures the power being drawn from the primary coil 212...”；[0180]段：“...the wireless power supply 200 may simply detect that something is present merely by monitoring the power drawn from the primary coil 212.” | 对比文件公开了检测电路（Sense Circuit）用于检测物体接近，并且无线电力供应单元测量从初级线圈汲取的功率（power being drawn）。[0180]段更明确指出通过监视从初级线圈汲取的功率（monitoring the power drawn）来检测物体存在。虽然“驱动器”在对比文件中可能对应逆变器电路，但监测从初级线圈汲取的功率本质上等同于监测驱动该线圈的电路（即驱动器）所汲取的电力量。因此，本领域技术人员能够毫无疑义地得出对比文件公开了用于感测所汲取电力量并产生感测信号的传感器。 |
| 技术特征D《直接公开》 | [0091]段：“If a valid device is detected, then it communicates its power requirement to the Wireless Power Supply 200.”；[0128]段：“They could use a standard such as an I2C bus. The ULP processor 702 could communicate information to the main processor 706 relating to the measurements made.”；[0156]段：“...the system receives information from any secondary devices that may be present...” | 对比文件多次提及有效设备（次级设备）会向无线电力供应单元（初级单元）通信其电力需求或其他信息（如测量信息）。[0156]段更明确描述了初级单元从可能存在的任何次级设备接收信息。这直接公开了通信单元从无线电力接收器接收信号，该信号指示了接收器的状态（如电力需求），隐含了其所接收电力的改变。因此，技术特征D被直接公开。 |
| 技术特征E《隐含公开》 | [0091]段：“If a valid device is detected, then it communicates its power requirement to the Wireless Power Supply 200.”；[0180]段：“If the power drawn changes between successive measurements (or it is greater than a threshold value), then either there is a device drawing the power or alternatively a foreign object.” | 对比文件公开了次级设备向初级单元通信其“电力需求”（power requirement）。为了表达电力需求或变化，该通信信号必然包含关于电力状态的信息。本领域技术人员可以合理推断，为了进行有效的电力管理和异物识别（如[0180]段通过功率变化来区分设备或异物），该信号很可能包含关于电流和/或电压改变的方向以及改变量值的信息，这是实现此类判断的基础。因此，技术特征E被对比文件隐含公开。 |
| 技术特征F《直接公开》 | [0091]段：“...load sensing circuit 516 monitors flowing to the driver 524, which can be affected by the presence or absence of an effective receiver...”；[0092]段：“The wireless power supply 200 measures the power being drawn from the primary coil 212...” | 对比文件明确公开了负载感测电路（load sensing circuit）监视流向驱动器的电流（[0091]段），以及无线电力供应单元测量从初级线圈汲取的功率（[0092]段）。这些操作均由控制单元（control unit 208）执行或协调。因此，对比文件直接公开了控制器基于感测信号监视驱动器所汲取电力的改变。 |
| 技术特征G《隐含公开》 | [0091]段：“If a valid device is detected, then it communicates its power requirement to the Wireless Power Supply 200. The wireless power supply 200 measures the power being drawn from the primary coil 212 and compares it to the power requirement communicated by the device. ...if there is no significant difference between the two values then the wireless power supply 200 determines that there is a valid device and no foreign objects present...”；[0190]段：“...ferrite or other similar material in the secondary coil which exactly balances the impedance of the load.” | 对比文件公开了系统通过比较从初级线圈汲取的功率（对应所汲取电力的改变）与设备通信的功率需求（对应所接收的信号），来识别有效设备并排除异物（[0091]段）。同时，[0190]段暗示了通过阻抗/相位变化（涉及电压/电流关系）来区分物体类型。本领域技术人员可以合理推断，为了实现更精确的物体类型识别（如区分NFC、金属、授权/未授权接收器），控制器需要基于更具体的参数进行比较，包括电流/电压改变的方向和量值。对比文件公开的比较和识别逻辑为这种推断提供了基础。因此，技术特征G被隐含公开。 |
| 技术特征H《直接公开》 | [0092]段：“...if there is no significant difference between the two values then...”；[0101]段：“If the frequency is outside the threshold limits determined by the Cal State then the system switches on the Mains...”；[0180]段：“If the power drawn changes between successive measurements (or it is greater than a threshold value)...” | 对比文件多处公开了将测量值与阈值进行比较。例如，[0092]段将测量的功率与通信的功率需求（可视为一种阈值）进行比较；[0101]段将感测的频率与阈值限制进行比较；[0180]段将汲取功率的变化与阈值进行比较。这些比较操作由控制单元或处理器执行。因此，技术特征H（将所汲取电力的改变与第一阈值比较，将所接收信号与第二阈值比较）被直接公开。 |
| 技术特征I《隐含公开》 | [0091]段：“...if there is no significant difference between the two values then the wireless power supply 200 determines that there is a valid device and no foreign objects present and therefore enables full power delivery to the device.”；[0112]段：“If the system enters the Operate State (S6) from the Look state (S3), then it is because the main processor 706 determined that there was a valid device present and no foreign objects present. The main circuit 704 therefore activates all the circuits to supply power to the device.”；[0140]段：“If the system enters the Operate state 1408, the system looks at the Device Present pin on each state transition. The system remains in the operate state 1408 until Device Present=0...” | 对比文件公开了系统根据识别结果（如有效设备存在且无异物）来启用完全功率传递（[0091]、[0112]段），或在设备不再需要功率时停止功率传递（[0140]段）。调整输出功率是系统响应识别结果的必然行为。虽然对比文件未明确使用“调整无线电力场的输出功率”的表述，但根据其公开的控制逻辑，本领域技术人员能够直接且毫无疑义地得出，当超过特定阈值（如识别出有效设备）时，系统会调整（如开启或增加）无线电力场的输出功率；反之，则会限制或停止功率输出。因此，技术特征I被对比文件隐含公开。 |
| 技术特征J《直接公开》 | [0096]段：“At point K, the system performs a calibration inductance measurement. This is the inductance measurement that subsequent measurements will be compared to in order to trigger the Sense Circuit 206.”；[0100]段：“The MPU 406 will initially take a measurement and store it.”；[0123]段：“The calibration routine may set the upper and lower thresholds in order to trigger the Sense Circuit 206.” | 对比文件明确公开了校准（Calibration）过程：系统执行初始测量（如电感测量）并将其存储，作为后续比较的基线（[0096]、[0100]段）。该校准测量用于确定触发检测电路的阈值（[0123]段）。虽然基线值针对的是电感频率，但根据对比文件[0091]和[0180]段，感测电路和检测逻辑也涉及功率测量。本领域技术人员能够理解，为了检测“改变”，需要先确定一个初始水平或基线值。因此，对比文件直接公开了感测初始水平并确定基线值的技术特征。 |
| 技术特征K《直接公开》 | [0096]段：“This is the inductance measurement that subsequent measurements will be compared to in order to trigger the Sense Circuit 206.”；[0100]段：“The MPU 406 will initially take a measurement and store it. It will periodically take measurements until a measurement is taken that is sufficiently different from the initial measurement indicating that an inductance change has occurred...” | 对比文件清晰地描述了将新的感测信号（如频率测量值）与存储的基线值（初始测量值）进行比较，以确定是否发生了足够大的变化（如电感变化）（[0096]、[0100]段）。这直接对应于“基于所述感测信号与基线值的比较来确定所汲取的电力的所述改变”的技术手段。因此，技术特征K被直接公开。 |
| 技术特征L《隐含公开》 | [0091]段：“If a valid device is detected, then it communicates its power requirement to the Wireless Power Supply 200.”；[0180]段：“If the power drawn changes between successive measurements (or it is greater than a threshold value), then either there is a device drawing the power or alternatively a foreign object.” | 对比文件公开了次级设备向初级单元通信其“电力需求”（[0091]段）。为了确定这个“需求”或检测到变化（如[0180]段），次级设备内部必然需要对其接收的电力进行测量，并与某个基准（可能是先前状态或预设值）进行比较，以确定是否需要请求电力或感知到变化。虽然对比文件未明确描述次级设备“预先确定”基线量的细节，但这是无线电力接收器实现通信和功率管理的常规技术手段。本领域技术人员能够合理推断，指示接收电力改变的信号是基于接收器内部对测得量与基线量的比较来确定的。因此，技术特征L被隐含公开。 |
| 技术特征M《隐含公开》 | [0091]段：“The wireless power supply 200 measures the power being drawn from the primary coil 212 and compares it to the power requirement communicated by the device.”；[0180]段：“If the power drawn changes between successive measurements (or it is greater than a threshold value), then either there is a device drawing the power or alternatively a foreign object.”；[0190]段提及通过相位/幅度变化区分物体。 | 对比文件公开了控制器（控制单元208或处理器）测量从初级线圈汲取的功率（对应所汲取电力的改变量值），并与设备通信的信息进行比较（[0091]段）。同时，系统通过监测功率变化来推断存在设备还是异物（[0180]段）。为了更准确地区分物体类型（如金属、NFC、不同接收器），本领域技术人员可以合理推断，控制器需要确定更具体的参数，如电流和电压改变的方向及量值，并基于这些信息进行识别。对比文件[0190]段关于通过相位/幅度（与电压/电流相关）变化进行检测的启示，支持了这一推断。因此，技术特征M被隐含公开。 |
| 技术特征N《直接公开》 | [0048]段：“...such as a Near Field Communications (NFC) device or RFID card.”；[0091]段：“...determines i) whether there is a valid device present, ii) if there is a valid device whether it desires power; iii) whether there is a foreign object present.”；[0203]-[0204]段明确提及RFID、NFC设备作为应用实例。 | 对比文件明确列举了需要识别的物体类型：有效设备（valid secondary device）、异物（foreign object）（[0091]段）。异物可以包括金属物体。此外，对比文件专门描述了将本发明应用于射频识别（RFID）和近场通信（NFC）设备（[0203]-[0204]段），并在一开始就将NFC装置或RFID卡作为可能出现在充电区内的组件（[0048]段）。因此，技术特征N中列举的所有物体类型（NFC装置、RFID装置、未授权的无线电力接收器（可对应无效设备或异物）、经授权的无线电力接收器（可对应有效设备）和金属物体（典型的异物））均被对比文件直接或等同公开。 |
| 技术特征O《直接公开》 | [0091]段：“...load sensing circuit 516 monitors flowing to the driver 524, which can be affected by the presence or absence of an effective receiver...” | 对比文件明确公开了负载感测电路（load sensing circuit）监视（monitors）流向驱动器（driver）的电流。这直接对应于“控制器经配置以监视所述驱动器所汲取的电流的改变”。因此，技术特征O被直接公开。 |
| 技术特征P《隐含公开》 | [0089]段：“This voltage is rectified with rectifier 120 and is down-converted to a lower voltage using a DC/DC converter 122 to supply the Load 124.”；[0180]段讨论了次级设备可能通过负载调制进行通信。 | 对比文件公开了接收器侧包含整流器和DC/DC转换器（电压调节器）（[0089]段）。为了管理充电或与发射器通信（如[0180]段提及的负载调制），接收器监控其输入电压是常见技术手段。本领域技术人员能够合理推断，接收器发送的关于接收电力改变的信号，可以基于对电压调节器输入处电压的测量，并包含该电压改变的量值和方向信息。因此，技术特征P被对比文件隐含公开。 |
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