WO2011140761A1 - 管理移动通信终端的天线的方法及移动通信终端 - Google Patents
管理移动通信终端的天线的方法及移动通信终端 Download PDFInfo
- Publication number
- WO2011140761A1 WO2011140761A1 PCT/CN2010/076263 CN2010076263W WO2011140761A1 WO 2011140761 A1 WO2011140761 A1 WO 2011140761A1 CN 2010076263 W CN2010076263 W CN 2010076263W WO 2011140761 A1 WO2011140761 A1 WO 2011140761A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication terminal
- mobile communication
- antenna
- circuit
- antenna circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Definitions
- the present invention relates to the field of radio frequency for mobile communication terminals, and in particular, to an antenna method for managing a mobile communication terminal and a mobile communication terminal.
- the antenna is an important component in mobile communication.
- the performance of the antenna will affect the communication distance to a large extent.
- the cell range can be expanded, the transmission power of the terminal can be reduced, and the emission current can be reduced.
- the performance of the antenna in free space is quite different from that after human intervention. Since the terminal antenna is small, it is difficult to achieve ultra-wideband, and its resonant frequency is generally narrow. It can meet the design requirements in the free space state, but when the human is operating on the terminal, since the human body is an electrical conductor, human intervention will This causes the antenna's resonant frequency to shift, reducing the radiation efficiency of the antenna, resulting in severe performance degradation.
- the present invention provides an antenna method for managing a mobile communication terminal and a mobile communication terminal
- the present invention provides the following technical solutions:
- a mobile communication terminal includes a proximity sensor, a control conversion circuit and an antenna adjustment circuit, wherein:
- the proximity sensor is configured to: detect a proximity state of the mobile communication terminal and a human body, and send the proximity state to the control conversion circuit when the proximity state changes;
- the control conversion circuit is connected to the proximity sensor, and configured to: determine, according to a preset relationship between the proximity state and the antenna circuit, an antenna circuit required by the mobile communication terminal in a current proximity state, and notify the The antenna adjustment circuit adjusts the current antenna circuit of the mobile communication terminal to a desired antenna circuit;
- the antenna adjustment circuit is connected to the control conversion circuit, and is configured to: adjust an antenna circuit of the mobile communication terminal to a desired antenna circuit according to the antenna circuit determined by the control conversion circuit.
- the mobile communication terminal further includes:
- a detector configured to: detect whether the mobile communication terminal is in a call state, and trigger the proximity sensor to detect a proximity state of the mobile communication terminal and the human body when detecting that the mobile communication terminal is in a call.
- the proximity sensor is located on the front side of the upper portion of the mobile communication terminal, the side of the lower portion, or the back of the lower portion.
- the control conversion circuit is configured to determine an antenna circuit required by the mobile communication terminal in a current proximity state according to a preset relationship between a proximity state and an antenna circuit in a manner of: combining logic or the movement
- the microprocessor of the communication terminal recognizes the proximity state and determines an antenna circuit required by the mobile communication terminal based on the recognized proximity state.
- the antenna adjustment circuit includes a plurality of antenna circuits, and the antenna adjustment circuit is configured to switch and adjust a current antenna circuit of the mobile communication terminal by using a single-pole multi-throw switch;
- the antenna adjustment circuit includes an antenna circuit with an adjustable reactance element, the antenna adjustment circuit being configured to adjust an antenna circuit of the mobile communication terminal by adjusting an adjustable reactance element of the antenna circuit;
- the antenna adjustment circuit includes an antenna radiator with an adjustable reactance element, and the antenna adjustment circuit is configured to adjust an antenna circuit of the mobile communication terminal by an adjustable reactance element of the antenna radiator.
- a method for managing an antenna of a mobile communication terminal comprising:
- the antenna circuit required by the mobile communication terminal in the current proximity state is determined; and the current antenna circuit of the mobile communication terminal is adjusted to a desired antenna circuit.
- the step of detecting the proximity state of the mobile communication terminal and the human body includes:
- the approach state of the mobile communication terminal to the human body is detected.
- the step of detecting the proximity state of the mobile communication terminal and the human body includes:
- Whether the mobile communication terminal is in proximity to a human body is detected by a proximity sensor on the mobile communication terminal, wherein the proximity sensor is located on a front side, a lower side or a lower side of an upper portion of the mobile communication terminal.
- determining, according to the preset proximity state and the corresponding relationship of the antenna circuit, determining the antenna circuit required for the mobile communication terminal in the current proximity state includes:
- the proximity state is identified by a combinational logic circuit or a microprocessor of the mobile communication terminal, and an antenna circuit required by the mobile communication terminal is determined based on the identified proximity state.
- the step of adjusting the current antenna circuit of the mobile communication terminal to a desired antenna circuit includes:
- the mobile communication terminal includes a plurality of antenna circuits, switching the current antenna circuit of the mobile communication terminal with a single-pole multi-throw switch;
- the mobile communication terminal includes an antenna circuit with an adjustable reactance element, adjusting a current antenna circuit of the mobile communication terminal by adjusting an adjustable reactance element of the antenna circuit;
- the current antenna circuit of the mobile communication terminal is adjusted by the adjustable reactance element of the antenna radiator.
- the technical solution provided by the present invention by detecting whether the mobile communication terminal is close to the human body, determining an antenna circuit required by the mobile communication terminal according to the detection result, and adjusting an antenna circuit of the mobile communication terminal For the required antenna circuit, it is only necessary to detect whether the mobile communication terminal is close to the human body during the antenna performance management process, and the antenna performance can be quickly adjusted.
- the implementation is simple, and the number of devices for detecting whether it is close to the human body is small and the cost is low, which reduces the hardware cost for implementing antenna performance management, and is more suitable for a low-cost and small-sized mobile communication terminal, which is beneficial to daily life. Wide range of applications.
- FIG. 1 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention.
- FIG. 2 is another schematic structural diagram of a mobile communication terminal in the embodiment shown in FIG. 1;
- FIG. 3 is a schematic diagram showing a placement position of a proximity sensor on a mobile communication terminal according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of another placement position of a proximity sensor on a mobile communication terminal according to an embodiment of the present invention.
- FIG. 5 is a schematic structural view of a first embodiment of the antenna adjusting circuit in the embodiment shown in FIG. 1.
- FIG. 6 is a schematic structural view of the second embodiment of the antenna adjusting circuit in the embodiment shown in FIG. 1.
- FIG. 8 is a schematic flowchart diagram of a method for managing an antenna of a mobile communication terminal according to an embodiment of the present invention. detailed description
- FIG. 1 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention.
- the mobile communication terminal shown in Fig. 1 mainly includes a proximity sensor 101, a control conversion circuit 102, and an antenna adjustment circuit 103, wherein:
- the proximity sensor 101 is configured to detect whether the mobile communication terminal is close to a human body, and send the detection result to the control conversion circuit;
- the control conversion circuit 102 is connected to the proximity sensor 101, and is configured to determine, according to a preset relationship between the proximity state and the antenna circuit, the mobile communication in the current proximity state. Transmitting an antenna circuit required by the terminal, and notifying the antenna adjustment circuit to adjust a current antenna circuit of the mobile communication terminal to a desired antenna circuit;
- the antenna adjustment circuit 103 is connected to the control conversion circuit 102 for adjusting the current antenna circuit of the mobile communication terminal to a desired antenna circuit according to the antenna circuit determined by the control conversion circuit.
- FIG. 2 is another schematic structural diagram of a mobile communication terminal in the embodiment shown in FIG. 1.
- the mobile communication terminal shown in Figure 2 further includes:
- the detector 201 is configured to detect whether the mobile communication terminal is in a call state, and when detecting that the mobile communication terminal is in a call, triggering the proximity sensor to detect a proximity state of the mobile communication terminal and the human body.
- the user has high performance on the antenna during the call, and the proximity sensor 101 is detected by the detector 201 in the mobile communication terminal to detect the proximity state, and the proximity sensor 101 is prevented from continuously detecting whether the mobile communication terminal is close to the human body, consuming mobile communication.
- the power of the terminal saves power and ensures that the mobile communication terminal has better antenna performance during the call and after the call ends.
- the proximity sensor 101 is mainly used to detect whether the head and the hand of the human body are close to the mobile communication terminal, and the user may use the mobile communication terminal during the handheld or normal call with the mobile communication terminal. Contacting, so that a proximity sensor is disposed near the top of the handset of the mobile communication terminal to sense whether the head of the human body is in contact with the mobile communication terminal, and a proximity sensor is placed on the back or side of the bottom of the mobile communication terminal to sense Whether the human hand has contact with the mobile communication terminal.
- the schematic diagram of the placement position of the proximity sensor on the mobile communication terminal in this embodiment can be seen in Figs. 3 and 4.
- the proximity sensor is triggered when the head or hand of the human body approaches the mobile communication terminal.
- the usage state of the mobile communication terminal is divided into several types: free space, hand-held, and normal call. among them:
- the free space state is that none of the proximity sensors at the top and bottom of the mobile communication terminal are triggered.
- the handheld state is that only the proximity sensor at the bottom of the mobile communication terminal is triggered.
- the normal call state is that the proximity sensors at the top and bottom of the mobile communication terminal are touched hair.
- the top sensor is triggered separately, for example, the terminal is placed in the pocket, the display screen is close to the human body, and the top sensor is triggered, which can be defined as a state or ignored according to needs, depending on The designer's trade-offs in cost, complexity, and final performance.
- the three states defined above can be reduced to two states, such as free space and hand or free space and normal calls.
- the proximity sensor 101 transmits the current trigger state of the proximity sensor to the control conversion circuit 102.
- the control conversion circuit 102 identifies the detection result of the proximity sensor through a combinational logic circuit or a microprocessor of the mobile communication terminal, and determines an antenna circuit required by the mobile communication terminal based on the detected detection result.
- the combination logic circuit has a series of logic gates, and the input end of the combination logic circuit is connected to all proximity sensors on the mobile communication terminal, and when the trigger state of the proximity sensor changes, that is, the input signal of the combination logic circuit changes, the combination logic The circuit can automatically output a corresponding matching signal according to the trigger state change response, and the matching signal is used to notify the antenna adjusting circuit of an antenna circuit required by the current mobile communication terminal.
- the combination logic is composed of an AND gate and an OR gate, wherein the AND gate and the control conversion circuit 102 are in a call state.
- the antenna circuit is connected, and the OR gate is connected to the antenna circuit in the non-talk state of the control conversion circuit 102, and the signal sent by the two proximity triggers triggers one of the logic gates to be in an open state, thereby realizing the antenna circuit. select.
- the microprocessor pre-stores a correspondence between a trigger state of the proximity sensor and a contact state of the human body
- the microprocessor is connected to all proximity sensors on the mobile communication terminal, and if a trigger state change of the proximity sensor is detected, Recording the changed trigger state, and comparing the changed trigger state with a pre-stored list, and re-determining the proximity state of the mobile communication terminal and the human body, wherein the list has a correspondence relationship between the proximity state and the antenna circuit, wherein The approach state is obtained according to the trigger state of the proximity sensor, and generates a pair according to the determined proximity state.
- the matching signal is used to notify the antenna adjustment circuit of the antenna circuit required by the current mobile communication terminal.
- Combinatorial logic works the same as a microprocessor, except that combinatorial logic is simpler, requires no software intervention, but requires increased hardware costs, while the microprocessor does not require hardware costs, but requires software intervention.
- the antenna adjustment circuit 103 adjusts the mobile communication terminal to a desired antenna circuit.
- the antenna adjustment circuit can have the following configuration:
- the antenna adjustment circuit includes a plurality of antenna circuits, and switches and adjusts a current antenna circuit of the mobile communication terminal by using a single-pole multi-throw switch;
- FIG. 5 is a schematic structural diagram of the first mode of the antenna adjusting circuit in the embodiment shown in FIG.
- the antenna adjustment circuit shown in FIG. 5 includes a plurality of antenna circuits, wherein the antenna circuit is obtained by: in a free space state, an optimal matching circuit SCH1 is obtained by statistical calculation; in the handheld state, the antenna debugging process The analog handheld state can be used. After the antenna frequency offset occurs, the antenna circuit SCH1 is adjusted to optimize the antenna performance. At this time, the antenna circuit SCH2; similarly, the antenna circuit SCH3 in the normal call state can be obtained.
- a matching circuit that connects the RF port to the antenna is selected by a set of single-pole multi-throw switches. For example, when the proximity sensor at the bottom of the mobile communication terminal is triggered, the terminal determines that the usage state is the handheld state, the antenna circuit switches to SCH2, and when the top and bottom proximity sensors are triggered, the terminal determines that the usage state is a normal call. State, the antenna circuit switches to SCH3.
- the antenna adjustment circuit includes an antenna circuit with an adjustable reactance component, and the current antenna circuit of the mobile communication terminal is adjusted by adjusting an adjustable reactance component of the antenna circuit.
- FIG. 6 is FIG. A schematic structural view of the second mode of the antenna adjusting circuit in the embodiment.
- the adjustable reactance element may be a varactor or a PIN tube connected to a branch line, and the length of the branch line is advanced according to needs Adjusted, the reactance can be changed by controlling the switching state of the PIN tube. In the free space state, the size of the adjustable reactance component is obtained by statistical calculation.
- the analog handheld state can be used during the antenna debugging process, and the antenna is adjusted after the frequency offset occurs.
- the adjustable reactance component makes the antenna performance the best, and the size of the adjustable reactance component is B; similarly, the size of the adjustable reactance component in the normal call state is C.
- the adjustable reactance component is adjusted to a size corresponding to the proximity state according to the changed proximity state.
- the antenna adjustment circuit includes an antenna radiator with an adjustable reactance element, and the current antenna circuit of the mobile communication terminal is adjusted by the adjustable reactance element of the antenna radiator.
- FIG. 7 is a schematic structural diagram of the third mode of the antenna adjusting circuit in the embodiment shown in FIG.
- the size of the required reactance of the adjustable reactance component in different proximity states is the same as that of the second method, and will not be described here.
- the adjustment of the adjustable reactance component according to the proximity state of the mobile communication terminal is also the same as that of the second method, and details are not described herein again.
- FIG. 8 is a schematic flow chart of a method for managing an antenna of a mobile communication terminal according to an embodiment of the present invention. Referring to the structural diagrams shown in Figures 1 through 7, the method shown in Figure 8 includes:
- Step 801 Detecting a proximity state of the mobile communication terminal and a human body
- Step 802 Determine, when the proximity state changes, an antenna circuit required by the mobile communication terminal in a current proximity state according to a preset relationship between the proximity state and the antenna circuit;
- Step 803 Adjust the current antenna circuit of the mobile communication terminal to a desired antenna circuit.
- the detecting the proximity status of the mobile communication terminal and the human body includes:
- the approach state of the mobile communication terminal to the human body is detected.
- the step of detecting whether the mobile communication terminal is close to the human body comprises:
- Whether the mobile communication terminal is in proximity to a human body is detected by a proximity sensor on the mobile communication terminal, wherein the proximity sensor is located on a front side, a lower side or a lower side of an upper portion of the mobile communication terminal.
- the step of determining the antenna circuit required by the mobile communication terminal includes: The proximity state is identified by a combinational logic circuit or a microprocessor of the mobile communication terminal, and an antenna circuit required by the mobile communication terminal is determined based on the identified proximity state.
- the adjusting the current antenna circuit of the mobile communication terminal to a required antenna circuit comprises: if the mobile communication terminal includes a plurality of antenna circuits, switching the current antenna of the mobile communication terminal by using a single-pole multi-throw switch Circuit
- the mobile communication terminal includes an antenna circuit with an adjustable reactance element, adjusting a current antenna circuit of the mobile communication terminal by adjusting an adjustable reactance element of the antenna circuit;
- the current antenna circuit of the mobile communication terminal is adjusted by the adjustable reactance element of the antenna radiator.
- the method provided by the embodiment of the present invention detects, by detecting, whether the mobile communication terminal is close to the human body, and then determines an antenna circuit required by the mobile communication terminal according to the detection result, and uses the current antenna circuit of the mobile communication terminal. Adjusting to the required antenna circuit, in the process of implementing antenna performance management, it is only necessary to detect whether the mobile communication terminal is close to the human body, and the antenna performance can be quickly adjusted, and the implementation is simple, and the number of devices for detecting whether the human body is close to the human body is very The cost is low and the hardware cost for implementing antenna performance management is reduced, and it is more suitable for low-cost and small-sized mobile communication terminals, which is beneficial to a wide range of daily applications.
- all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
- the invention is not limited to any particular combination of hardware and software.
- the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
- each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
- the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
- the technical solution provided by the present invention by detecting whether the mobile communication terminal is close to the human body, determining an antenna circuit required by the mobile communication terminal according to the detection result, and adjusting an antenna circuit of the mobile communication terminal For the required antenna circuit, it is only necessary to detect whether the mobile communication terminal is close to the human body to quickly adjust the antenna performance during the antenna performance management process, and the implementation is simple, and the number of devices for detecting whether the human body is close to the human body is small. The cost is lower, the hardware cost for implementing antenna performance management is reduced, and the utility model is more suitable for a low-cost and small-sized mobile communication terminal, which is beneficial to a wide range of daily applications.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
本发明提供一种管理移动通信终端的天线方法及移动通信终端，涉及移动通信终端射频领域；解决现有技术中用于实现天线性能管理的硬件成本过高的问题。所述方法，包括：检测所述移动通信终端与人体的接近状态；当所述接近状态发生变化时，根据预先设置的接近状态和天线电路的对应关系，确定在当前的接近状态下所述移动通信终端所需的天线电路；将所述移动通信终端当前的天线电路调整为所需的天线电路。本发明提供的技术方案可应用于天线性能管理。
Description
管理移动通信终端的天线的方法及移动通信终端
技术领域
本发明涉及移动通信终端射频领域， 尤其涉及一种管理移动通信终端的 天线方法及移动通信终端。
背景技术
天线是移动通信中的重要部件， 其性能的好坏很大程度上会影响通信的 距离， 通过改善天线性能， 可以扩大小区范围， 降低终端的发射功率， 降低 发射电流。 然而， 对于移动终端， 一直有个难题是， 天线在自由空间下的性 能与人体干预后的性能相差很大。 由于终端天线很小， 其很难做到超宽带， 其谐振频率一般较窄， 在自由空间状态尚可满足设计要求， 但是当人对终端 进行操作时， 由于人体是导电体， 人的干预会引起天线谐振频率的偏移， 降 低天线的辐射效率， 导致性能严重下降。
在这方面， 也曾提出过一些解决办法， 现有技术中提出通过检测天线的 反射系数和电压驻波比， 然后通过调整匹配元件使天线达到匹配状态。 在实 现上述过程中， 发明人发现， 现有技术釆用的技术方案在是检测反射信号时 需要增加大量的元器件， 对于成本低且体积小的移动通信终端而言， 该技术 方案的硬件成本过高。
发明内容
本发明提供一种管理移动通信终端的天线方法及移动通信终端， 解决现
为解决上述技术问题， 本发明提供了如下技术方案：
一种移动通信终端， 包括接近传感器、 控制转换电路和天线调整电路， 其中：
所述接近传感器设置为： 检测所述移动通信终端与人体的接近状态， 当 所述接近状态发生变化时， 将所述接近状态发送给所述控制转换电路；
所述控制转换电路， 与所述接近传感器相连， 设置为： 根据预先设置的 接近状态和天线电路的对应关系， 确定在当前的接近状态下所述移动通信终 端所需的天线电路， 并通知所述天线调整电路将所述移动通信终端当前的天 线电路调整为所需的天线电路；
所述天线调整电路， 与所述控制转换电路相连， 设置为： 根据所述控制 转换电路确定的天线电路， 将所述移动通信终端当前的天线电路调整为所需 的天线电路。
所述移动通信终端还包括：
检测器， 其设置为： 检测所述移动通信终端是否处于通话状态， 在检测 到所述移动通信终端处于通话时， 触发所述接近传感器检测所述移动通信终 端与人体的接近状态。 所述接近传感器位于所述移动通信终端上部的正面、 下部的侧面或下部 的背面。
所述控制转换电路是设置为以如下方式根据预先设置的接近状态和天线 电路的对应关系， 确定在当前的接近状态下所述移动通信终端所需的天线电 路： 通过组合逻辑电路或所述移动通信终端的微处理器识别所述接近状态， 并根据识别得到的接近状态， 确定所述移动通信终端所需的天线电路。
所述天线调整电路包括多个天线电路， 所述天线调整电路是设置为釆用 单刀多掷开关切换调整所述移动通信终端当前的天线电路；
所述天线调整电路包括带有可调电抗元件的天线电路， 所述天线调整电 路是设置为通过调整所述天线电路的可调电抗元件调整所述移动通信终端当 前的天线电路； 或者
所述天线调整电路包括带有可调电抗元件的天线辐射体， 所述天线调整 电路是设置为通过所述天线辐射体的可调电抗元件调整所述移动通信终端当 前的天线电路。
一种管理移动通信终端的天线的方法， 包括：
检测所述移动通信终端与人体的接近状态；
当所述接近状态发生变化时， 根据预先设置的接近状态和天线电路的对
应关系， 确定在当前的接近状态下所述移动通信终端所需的天线电路； 以及 将所述移动通信终端当前的天线电路调整为所需的天线电路。
所述检测所述移动通信终端与人体的接近状态的步骤包括：
检测所述移动通信终端的通话状态； 以及
在检测到所述移动通信终端的通话状态发生变化时， 检测所述移动通信 终端与人体的接近状态。
所述检测所述移动通信终端与人体的接近状态的步骤包括：
通过所述移动通信终端上的接近传感器检测所述移动通信终端是否与人 体接近， 其中所述接近传感器位于所述移动通信终端上部的正面、 下部的侧 面或下部的背面。
当所述接近状态发生变化时， 根据预先设置的接近状态和天线电路的对 应关系， 确定在当前的接近状态下， 确定所述移动通信终端所需的天线电路 的步骤包括：
通过组合逻辑电路或所述移动通信终端的微处理器识别所述接近状态， 并根据识别得到的接近状态， 确定所述移动通信终端所需的天线电路。
所述将所述移动通信终端当前的天线电路调整为所需的天线电路的步骤 包括：
如果所述移动通信终端包括多个天线电路， 则釆用单刀多掷开关切换调 整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线电路， 则通过调整 所述天线电路的可调电抗元件调整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线辐射体， 则通过所 述天线辐射体的可调电抗元件调整所述移动通信终端当前的天线电路。
本发明提供的技术方案， 通过检测检测所述移动通信终端是否与人体接 近， 再根据所述检测结果， 确定所述移动通信终端所需的天线电路， 将所述 移动通信终端当前的天线电路调整为所需的天线电路， 在实现天线性能管理 过程中只需检测所述移动通信终端是否与人体接近就能快速调整天线性能，
实现简单， 而用于检测是否与人体接近的器件个数很少且成本较低， 降低了 用于实现天线性能管理的硬件成本， 更适用于成本低且体积小的移动通信终 端， 有利于日常的广泛应用。
附图说明 图 1为本发明实施例提供的移动通信终端的结构示意图；
图 2为图 1所示实施例中移动通信终端的另一结构示意图；
图 3为本发明实施例提供的接近传感器在移动通信终端上的放置位置示 意图；
图 4为本发明实施例提供的接近传感器在移动通信终端上的另一放置位 置示意图；
图 5为图 1所示实施例中天线调整电路的方式一的 结构示意图； 图 6为图 1所示实施例中天线调整电路的方式二的结构示意图； 图 7为图 1所示实施例中天线调整电路的方式三的结构示意图； 图 8 为本发明实施例提供的管理移动通信终端的天线的方法流程示意 图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图及具体 实施例对本发明作进一步的详细描述。
图 1为本发明实施例提供的移动通信终端的结构示意图。 图 1所示移动 通信终端主要包括接近传感器 101、 控制转换电路 102和天线调整电路 103 , 其中：
所述接近传感器 101 , 用于检测所述移动通信终端是否与人体接近， 并 将检测结果发送给所述控制转换电路；
所述控制转换电路 102, 与所述接近传感器 101相连， 用于根据预先设 置的接近状态和天线电路的对应关系， 确定在当前的接近状态下所述移动通
信终端所需的天线电路， 并通知所述天线调整电路将所述移动通信终端当前 的天线电路调整为所需的天线电路；
所述天线调整电路 103 , 与所述控制转换电路 102相连， 用于根据所述 控制转换电路确定的天线电路， 将所述移动通信终端当前的天线电路调整为 所需的天线电路。
图 2为图 1所示实施例中移动通信终端的另一结构示意图。 图 2所示移 动通信终端还包括：
检测器 201 , 用于检测所述移动通信终端是否处于通话状态， 在检测到 所述移动通信终端处于通话时， 触发所述接近传感器检测所述移动通信终端 与人体的接近状态。
由于实际应用中， 用户在通话过程中对天线性能要求高， 通过在移动通 信终端增加检测器 201触发接近传感器 101检测接近状态， 避免接近传感器 101 持久检测移动通信终端是否与人体接近， 消耗移动通信终端的电量， 节 省电量， 同时保证移动通信终端在通话中和通话结束后有较好的天线性能。
其中所述接近传感器 101主要用于检测人体的头部和手部是否与所述移 动通信终端接近， 而用户在使用移动通信终端的过程中， 会在手持或正常通 话时与所述移动通信终端有接触， 所以在所述移动通信终端顶部听筒附近配 置接近传感器， 以感知人体的头部是否与所述移动通信终端有接触， 在所述 移动通信终端底部的背面或侧面放置接近传感器， 以感知人体的手是否与所 述移动通信终端有接触。 其中本实施例中接近传感器在移动通信终端上的放 置位置示意图可参见图 3和图 4。
在人体的头部或手部接近所述移动通信终端时， 所述接近传感器会被触 发。 根据接近传感器的触发状态， 将所述移动通信终端的使用状态划分为几 种： 自由空间、 手持和正常通话。 其中：
自由空间状态为所述移动通信终端顶部和底部的接近传感器均未被触 发。
手持状态为只有所述移动通信终端底部的接近传感器被触发。
正常通话状态为所述移动通信终端顶部和底部的接近传感器均会被触
发。
在实际使用中， 还可能出现顶部传感器被单独触发的情况， 比如终端被 放在口袋内， 显示屏幕贴近人体， 导致顶部传感器被触发， 该种情况根据需 要可定义为一种状态或者忽略， 取决于设计者在成本、 复杂度与最终性能的 权衡。 同理， 以上定义的 3种状态也可简化为两种状态， 比如自由空间和手 持或者自由空间和正常通话。
当所述接近传感器 101的触发状态发生变化时， 所述接近传感器 101向 所述控制转换电路 102发送接近传感器当前的触发状态。
所述控制转换电路 102通过组合逻辑电路或所述移动通信终端的微处理 器识别所述接近传感器的检测结果， 并根据识别得到的检测结果， 确定所述 移动通信终端所需的天线电路。
其中该组合逻辑电路有一系列逻辑门构成， 该组合逻辑电路输入端与所 述移动通信终端上全部接近传感器相连， 当接近传感器的触发状态发生变化， 即组合逻辑电路的输入信号发生变化， 组合逻辑电路能自动根据该触发状态 变化响应输出对应的匹配信号， 该匹配信号用于通知所述天线调整电路当前 移动通信终端所需的天线电路。
简单以两种状态为例进行说明：
移动终端上有两个接近传感器， 参见本实施例中图 3所示， 该组合逻辑 由 "与" 门和 "或" 门， 其中 "与" 门与所述控制转换电路 102中通话状态 下的天线电路相连， "或" 门与所述控制转换电路 102中未通话状态下的天 线电路相连， 通过两个接近触发器发送的信号， 触发其中一个逻辑门处于开 启状态， 从而实现对天线电路的选择。
其中该微处理器预先存储有接近传感器的触发状态与人体的接触状态的 对应关系， 该微处理器与所述移动通信终端上全部接近传感器相连， 如果检 测到有接近传感器的触发状态变化， 则记录变化后的触发状态， 并将变化后 的触发状态与预先存储的列表进行比较， 重新确定所述移动通信终端与人体 的接近状态， 其中该列表中有接近状态和天线电路的对应关系， 其中该接近 状态是根据接近传感器的触发状态得到的， 并根据确定的接近状态， 生成对
应的匹配信号， 该匹配信号用于通知所述天线调整电路当前移动通信终端所 需的天线电路。
组合逻辑电路和微处理器作用相同， 只是组合逻辑更简单， 无需软件介 入， 但需要增加硬件成本， 而通过微处理器则无需硬件成本， 但需要软件介 入。
在所述控制转换电路 102确定所述移动通信终端所需的天线电路后， 所 述天线调整电路 103将所述移动通信终端调整为所需的天线电路。
其中所述天线调整电路可以有如下构成方式：
方式一： 所述天线调整电路包括多个天线电路， 釆用单刀多掷开关切换 调整所述移动通信终端当前的天线电路；
具体的，图 5为图 1所示实施例中天线调整电路的方式一的结构示意图。 图 5所示的天线调整电路包括多个天线电路， 其中所述天线电路是通过如下 方式获取的：在自由空间状态，通过统计计算得到一个最优的匹配电路 SCH1； 在手持状态， 天线调试过程中可以使用模拟手持状态， 在天线发生频偏后， 调整天线电路 SCH1 , 使天线性能最佳， 此时天线电路 SCH2; 同理， 可得到 在正常通话状态下的天线电路 SCH3。
通过一组单刀多掷开关， 选择连接射频口和天线的匹配电路。 比如， 当 所述移动通信终端底部的接近传感器被触发， 此时终端判断使用状态为手持 状态， 天线电路切换到 SCH2, 当顶部及底部的接近传感器均被触发， 则终端 判断使用状态为正常通话状态， 天线电路切换到 SCH3。
方式二： 所述天线调整电路包括带有可调电抗元件的天线电路， 通过调 整所述天线电路的可调电抗元件调整所述移动通信终端当前的天线电路； 具体的，图 6为图 1所示实施例中天线调整电路的方式二的结构示意图。 在所述移动通信终端的天线电路中增加一个或多个可调电抗元件， 其中该可 调电抗元件可以为变容管， 也可使用 PIN管接一段分支线的方法， 分支线长 度根据需要预先调整好， 通过控制 PIN管的开关状态， 可实现电抗的改变。 其中在自由空间状态， 通过统计计算得到可调电抗元器件的大小为 A; 在手 持状态， 天线调试过程中可以使用模拟手持状态， 在天线发生频偏后， 调整
可调电抗元件， 使天线性能最佳， 得到可调电抗元器件的大小为 B; 同理， 可得到在正常通话状态下可调电抗元器件的大小为 C。
当所述移动通信终端的接近状态发生变化时， 根据变化后的接近状态， 将可调电抗元件调整为该接近状态对应的大小。
方式三： 所述天线调整电路包括带有可调电抗元件的天线辐射体， 通过 所述天线辐射体的可调电抗元件调整所述移动通信终端当前的天线电路。
具体的，图 7为图 1所示实施例中天线调整电路的方式三的结构示意图。 其中获取可调电抗元件在不同接近状态下所需电抗大小与方式二相同， 此处 不再赘述。 而根据移动通信终端的接近状态调整可调电抗元件也与方式二相 同， 此处不再赘述。
方式三中的电抗元件与实施例二中的电抗元件相同， 此处不再赘述。 图 8 为本发明实施例提供的管理移动通信终端的天线的方法流程示意 图。 结合图 1至 7所示的结构示意图， 图 8所示方法包括：
步骤 801、 检测所述移动通信终端与人体的接近状态；
步骤 802、 当所述接近状态发生变化时， 根据预先设置的接近状态和天 线电路的对应关系， 确定在当前的接近状态下所述移动通信终端所需的天线 电路；
步骤 803、 将所述移动通信终端当前的天线电路调整为所需的天线电路。 所述检测所述移动通信终端与人体的接近状态包括：
检测所述移动通信终端的通话状态；
在检测到所述移动通信终端的通话状态发生变化时， 检测所述移动通信 终端与人体的接近状态。
检测所述移动通信终端是否与人体接近的步骤包括：
通过所述移动通信终端上的接近传感器检测所述移动通信终端是否与人 体接近， 其中所述接近传感器位于所述移动通信终端上部的正面、 下部的侧 面或下部的背面。
根据所述检测结果，确定所述移动通信终端所需的天线电路的步骤包括：
通过组合逻辑电路或所述移动通信终端的微处理器识别所述接近状态， 并根据识别得到的接近状态， 确定所述移动通信终端所需的天线电路。
所述将所述移动通信终端当前的天线电路调整为所需的天线电路包括： 如果所述移动通信终端包括多个天线电路， 则釆用单刀多掷开关切换调 整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线电路， 则通过调整 所述天线电路的可调电抗元件调整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线辐射体， 则通过所 述天线辐射体的可调电抗元件调整所述移动通信终端当前的天线电路。
本发明实施例提供的方法， 通过检测检测所述移动通信终端是否与人体 接近， 再根据所述检测结果， 确定所述移动通信终端所需的天线电路， 将所 述移动通信终端当前的天线电路调整为所需的天线电路， 在实现天线性能管 理过程中只需检测所述移动通信终端是否与人体接近就能快速调整天线性 能， 实现简单， 而用于检测是否与人体接近的器件个数很少且成本较低， 降 低了用于实现天线性能管理的硬件成本， 更适用于成本低且体积小的移动通 信终端， 有利于日常的广泛应用。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计 算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中， 所述计算机程序在相应的硬件平台上（如系统、 设备、 装置、 器件等）执行， 在执行时， 包括方法实施例的步骤之一或其组合。
可选地， 上述实施例的全部或部分步骤也可以使用集成电路来实现， 这 些步骤可以被分别制作成一个个集成电路模块， 或者将它们中的多个模块或 步骤制作成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬 件和软件结合。
上述实施例中的各装置 /功能模块 /功能单元可以釆用通用的计算装置来 实现， 它们可以集中在单个的计算装置上， 也可以分布在多个计算装置所组 成的网络上。
上述实施例中的各装置 /功能模块 /功能单元以软件功能模块的形式实现 并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。 上述提到的计算机可读取存储介质可以是只读存储器， 磁盘或光盘等。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以权利要求所述的保护范围为准。
工业实用性
本发明提供的技术方案， 通过检测检测所述移动通信终端是否与人体接 近， 再根据所述检测结果， 确定所述移动通信终端所需的天线电路， 将所述 移动通信终端当前的天线电路调整为所需的天线电路， 在实现天线性能管理 过程中只需检测所述移动通信终端是否与人体接近就能快速调整天线性能， 实现简单， 而用于检测是否与人体接近的器件个数很少且成本较低， 降低了 用于实现天线性能管理的硬件成本， 更适用于成本低且体积小的移动通信终 端， 有利于日常的广泛应用。
Claims
1、 一种移动通信终端， 其包括接近传感器、 控制转换电路和天线调整电 路， 其中：
所述接近传感器设置为： 检测所述移动通信终端与人体的接近状态， 当 所述接近状态发生变化时， 将所述接近状态发送给所述控制转换电路；
所述控制转换电路， 与所述接近传感器相连， 设置为： 根据预先设置的 接近状态和天线电路的对应关系， 确定在当前的接近状态下所述移动通信终 端所需的天线电路， 并通知所述天线调整电路将所述移动通信终端当前的天 线电路调整为所需的天线电路；
所述天线调整电路， 与所述控制转换电路相连， 设置为： 根据所述控制 转换电路确定的天线电路， 将所述移动通信终端当前的天线电路调整为所需 的天线电路。
2、 根据权利要求 1所述的移动通信终端， 所述移动通信终端还包括： 检测器， 其设置为： 检测所述移动通信终端是否处于通话状态， 在检测 到所述移动通信终端处于通话时， 触发所述接近传感器检测所述移动通信终 端与人体的接近状态。
3、 根据权利要求 1所述的移动通信终端， 其中，
所述接近传感器位于所述移动通信终端上部的正面、 下部的侧面或下部 的背面。
4、 根据权利要求 1所述的移动通信终端， 其中，
所述控制转换电路是设置为以如下方式根据预先设置的接近状态和天线 电路的对应关系， 确定在当前的接近状态下所述移动通信终端所需的天线电 路： 通过组合逻辑电路或所述移动通信终端的微处理器识别所述接近状态， 并根据识别得到的接近状态， 确定所述移动通信终端所需的天线电路。
5、 根据权利要求 1所述的移动通信终端， 其中，
所述天线调整电路包括多个天线电路， 所述天线调整电路是设置为釆用 单刀多掷开关切换调整所述移动通信终端当前的天线电路；
所述天线调整电路包括带有可调电抗元件的天线电路， 所述天线调整电 路是设置为通过调整所述天线电路的可调电抗元件调整所述移动通信终端当 前的天线电路； 或者
所述天线调整电路包括带有可调电抗元件的天线辐射体， 所述天线调整 电路是设置为通过所述天线辐射体的可调电抗元件调整所述移动通信终端当 前的天线电路。
6、 一种管理移动通信终端的天线的方法， 其包括：
检测所述移动通信终端与人体的接近状态；
当所述接近状态发生变化时， 根据预先设置的接近状态和天线电路的对 应关系， 确定在当前的接近状态下所述移动通信终端所需的天线电路； 以及 将所述移动通信终端当前的天线电路调整为所需的天线电路。
7、 根据权利要求 6所述的方法， 其中， 所述检测所述移动通信终端与人 体的接近状态的步骤包括：
检测所述移动通信终端的通话状态； 以及
在检测到所述移动通信终端的通话状态发生变化时， 检测所述移动通信 终端与人体的接近状态。
8、 根据权利要求 6所述的方法， 其中， 所述检测所述移动通信终端与人 体的接近状态的步骤包括：
通过所述移动通信终端上的接近传感器检测所述移动通信终端是否与人 体接近， 其中所述接近传感器位于所述移动通信终端上部的正面、 下部的侧 面或下部的背面。
9、 根据权利要求 6所述的方法， 其中， 当所述接近状态发生变化时， 根 据预先设置的接近状态和天线电路的对应关系， 确定在当前的接近状态下， 确定所述移动通信终端所需的天线电路的步骤包括：
通过组合逻辑电路或所述移动通信终端的微处理器识别所述接近状态， 并根据识别得到的接近状态， 确定所述移动通信终端所需的天线电路。
10、 根据权利要求 6所述的方法， 其中， 所述将所述移动通信终端当前 的天线电路调整为所需的天线电路的步骤包括：
如果所述移动通信终端包括多个天线电路， 则釆用单刀多掷开关切换调 整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线电路， 则通过调整 所述天线电路的可调电抗元件调整所述移动通信终端当前的天线电路；
如果所述移动通信终端包括带有可调电抗元件的天线辐射体， 则通过所 述天线辐射体的可调电抗元件调整所述移动通信终端当前的天线电路。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010172885A CN101860377A (zh) | 2010-05-11 | 2010-05-11 | 管理移动通信终端的天线的方法及移动通信终端 |
| CN201010172885.5 | 2010-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011140761A1 true WO2011140761A1 (zh) | 2011-11-17 |
Family
ID=42946058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2010/076263 WO2011140761A1 (zh) | 2010-05-11 | 2010-08-23 | 管理移动通信终端的天线的方法及移动通信终端 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101860377A (zh) |
| WO (1) | WO2011140761A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704317A (zh) * | 2016-03-08 | 2016-06-22 | 北京小米移动软件有限公司 | 天线参数的调整方法及装置、电子设备 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958947A (zh) * | 2010-10-20 | 2011-01-26 | 宇龙计算机通信科技(深圳)有限公司 | 一种移动终端及其天线的调整方法和装置 |
| TWI474631B (zh) * | 2011-07-27 | 2015-02-21 | Jieng Tai Internat Electric Corp | 無線通訊電路與無線通訊方法 |
| CN102590867B (zh) * | 2012-02-03 | 2015-05-27 | 华为终端有限公司 | 移动终端 |
| CN103428350B (zh) * | 2012-05-23 | 2015-05-20 | 希姆通信息技术（上海）有限公司 | 手持终端及其姿态的判断方法 |
| CN102761640A (zh) * | 2012-07-04 | 2012-10-31 | 中兴通讯股份有限公司 | 一种优化天线指标的方法及移动终端 |
| US9130266B2 (en) | 2012-09-19 | 2015-09-08 | Htc Corporation | Handheld communication device and communication method of the same |
| CN103369135B (zh) * | 2013-06-20 | 2014-12-31 | 清华大学 | 移动设备位置识别的方法和系统 |
| CN103475386A (zh) * | 2013-09-25 | 2013-12-25 | 小米科技有限责任公司 | 一种射频前端模块和终端设备 |
| CN103634019A (zh) * | 2013-11-08 | 2014-03-12 | 小米科技有限责任公司 | 一种射频前端和通信设备 |
| CN103596296B (zh) * | 2013-11-18 | 2018-04-10 | 惠州Tcl移动通信有限公司 | 天线切换方法以及终端 |
| CN105703846A (zh) * | 2014-11-28 | 2016-06-22 | 展讯通信（上海）有限公司 | 检测移动终端使用状态自适应调整天线状态的系统及方法 |
| CN106331221A (zh) * | 2015-06-24 | 2017-01-11 | 中兴通讯股份有限公司 | 移动终端及其天线配置调节方法 |
| CN106534473A (zh) * | 2015-09-15 | 2017-03-22 | 中兴通讯股份有限公司 | 一种实现无线网络调整的方法及终端 |
| CN107835033B (zh) * | 2017-11-30 | 2020-06-05 | Oppo广东移动通信有限公司 | 天线调谐开关的控制方法、装置、终端设备及存储介质 |
| CN111953823A (zh) * | 2020-07-29 | 2020-11-17 | 北京小米移动软件有限公司 | 接近传感器状态检测方法、装置及终端 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6954180B1 (en) * | 1999-10-29 | 2005-10-11 | Amc Centurion Ab | Antenna device for transmitting and/or receiving radio frequency waves and method related thereto |
| CN2874799Y (zh) * | 2005-12-31 | 2007-02-28 | 中兴通讯股份有限公司 | 手机天线装置 |
| CN101540621A (zh) * | 2008-03-17 | 2009-09-23 | 英华达股份有限公司 | 天线频率偏移补偿装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100669048B1 (ko) * | 2005-08-26 | 2007-01-16 | 엘지전자 주식회사 | 음성 출력 전환 기능이 구비된 이동통신 단말기 및 그동작방법 |
-
2010
- 2010-05-11 CN CN201010172885A patent/CN101860377A/zh active Pending
- 2010-08-23 WO PCT/CN2010/076263 patent/WO2011140761A1/zh active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6954180B1 (en) * | 1999-10-29 | 2005-10-11 | Amc Centurion Ab | Antenna device for transmitting and/or receiving radio frequency waves and method related thereto |
| CN2874799Y (zh) * | 2005-12-31 | 2007-02-28 | 中兴通讯股份有限公司 | 手机天线装置 |
| CN101540621A (zh) * | 2008-03-17 | 2009-09-23 | 英华达股份有限公司 | 天线频率偏移补偿装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704317A (zh) * | 2016-03-08 | 2016-06-22 | 北京小米移动软件有限公司 | 天线参数的调整方法及装置、电子设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101860377A (zh) | 2010-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011140761A1 (zh) | 管理移动通信终端的天线的方法及移动通信终端 | |
| US9553637B2 (en) | Near field communications (NFC) and proximity sensor for portable devices | |
| CN106104916B (zh) | 用于外部机壳天线的手握传感器 | |
| US8204446B2 (en) | Adaptive antenna tuning systems and methods | |
| WO2019206057A1 (zh) | 智能调谐天线的方法、装置和移动终端 | |
| MX2014013713A (es) | Procedimiento para conectar/desconectar de manera inteligente antena de terminal móvil y terminal movil correspondiente. | |
| KR20140124803A (ko) | 안테나와 방향성 커플러 스위치를 이용한 근접 검출 | |
| CN103474071A (zh) | 嵌入式便携语音控制器及语音识别的智能家居系统 | |
| WO2011088665A1 (zh) | 一种改善通讯终端无线性能的方法及通讯终端 | |
| TWI436620B (zh) | 可攜式電子裝置及其控制方法 | |
| WO2012000405A1 (zh) | 天线系统切换方法及移动终端 | |
| WO2012079404A1 (zh) | 一种移动终端及其控制lcd的方法 | |
| CN106455027A (zh) | 一种网络制式调整方法及移动终端 | |
| CN112332093A (zh) | 一种天线调谐装置及移动终端 | |
| CN109039348A (zh) | 天线控制方法和天线控制装置 | |
| US10170837B2 (en) | Segmented antenna | |
| WO2006133594A1 (en) | Circuit and process for power management | |
| CN108810261A (zh) | 通话中天线切换方法及相关产品 | |
| CN111276793A (zh) | 一种金属框天线结构及移动终端 | |
| US20130122970A1 (en) | Mobile communication device and wireless communication signal adjusting method thereof | |
| CN113874808B (zh) | 设置传感器的轮询间隔 | |
| JP2017216707A (ja) | 可搬装置のための近距離場通信（ｎｆｃ）および近接センサー | |
| TW202145645A (zh) | 多天線模組的控制方法 | |
| TWM408882U (en) | Charge sensing device and mobile communication device having a charge sensing device | |
| KR100365612B1 (ko) | 이동통신단말기의 유효한 키눌림 자동 검출 회로 및 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10851266 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 10851266 Country of ref document: EP Kind code of ref document: A1 |