WO2013029391A1 - Communication system - Google Patents

Communication system Download PDF

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Publication number
WO2013029391A1
WO2013029391A1 PCT/CN2012/075462 CN2012075462W WO2013029391A1 WO 2013029391 A1 WO2013029391 A1 WO 2013029391A1 CN 2012075462 W CN2012075462 W CN 2012075462W WO 2013029391 A1 WO2013029391 A1 WO 2013029391A1
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WO
WIPO (PCT)
Prior art keywords
communication
communication terminal
circuit
terminal
mobile phone
Prior art date
Application number
PCT/CN2012/075462
Other languages
French (fr)
Chinese (zh)
Inventor
王志梁
吴鑫琦
张孝秋
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201120319113XU priority Critical patent/CN202222017U/en
Priority to CN201120319113.X priority
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013029391A1 publication Critical patent/WO2013029391A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

A communication system is provided by the present utility model. The system includes the following components: a first communication terminal; a communication interface circuit, which is connected to the first communication terminal and configured to switch communication services of the first communication terminal to a second communication terminal; the second communication terminal, which is connected to the communication interface circuit and configured to perform the communication services of the first communication terminal. By using the above technical solution provided by the present utility model, the problem that there is no effective solution in the relevant technology to reduce the power consumption of the communication terminal is solved, and therefore the effect of reducing the power consumption of the communication terminal without affecting the normal communication services is achieved.

Description

通信系统 技术领域 本实用新型涉及通信领域, 具体而言, 涉及一种通信系统。 背景技术 现有的手机,无论功能机型或智能机型,使用有线方式进行连接的情况有三种: 1、 使用充电线对手机充电, 2、使用数据线与]个人计算机 (Personal Computer, 简称为 PC) 或其他设备进行通用串行总线 (Universal Serial Bus, 简称为 USB ) 或串口连接, 3. 使用有线耳机进行通话。 这些应用形式中,手机的通信、通话功能都是通过本身的射频和音频电路实现的, 并且随着手机终端的智能化程度越来越高以及应用程序的越来越多, 对手机电池的容 量要求也越来越高, 因此, 如何在不影响正常通信业务的前提下, 减小手机功耗是亟 需解决的技术问题。 针对相关技术中的上述问题, 目前尚未提出有效的解决方案。 实用新型内容 本实用新型的主要目的在于提供一种通信系统, 以至少解决上述问题。 根据本实用新型的一个方面, 提供了一种通信系统, 包括: 第一通信终端; 通信 接口电路, 连接至第一通信终端, 设置为将第一通信终端的通信业务切换到第二通信 终端; 第二通信终端, 连接至通信接口电路, 设置为实现第一通信终端的通信业务。 上述通信接口电路, 包括: 数据通信接口电路, 连接于第一通信终端和第二通信 终端之间, 设置为实现第一通信终端和第二通信终端之间的数据通信; 通信切换电路, 设置为将第一通信终端的通信业务在第一通信终端和第二通信终端之间进行切换。 上述数据通信接口电路为通用串行总线 USB接口。 上述通信切换电路包括: 控制电路, 设置为在第一通信终端与第二通信终端连接 时, 产生低电平信号; 以及在第一通信终端与第二通信终端未连接时, 产生高电平信 号; 模拟开关, 设置为在低电平信号的触发下, 将第一通信终端的通信业务切换至第 二通信终端; 以及在高电平信号的触发下, 将第一通信终端的通信业务切换至第一通 信终端。 上述通信接口电路, 包括: 充电电路, 与第一通信终端的第一供电电路和第二通 信终端的第二供电电路相连, 设置为通过第二供电电路为第一供电电路供电和 /或充 电。 上述第一通信终端为手机, 第二通信终端为座机。 上述通信接口电路为两个, 分别设置于第一通信终端侧和第二通信终端侧, 两个 通信接口电路相互配合。 通过本实用新型, 采用在通信终端之间将利用设置的通信接口电路所述第一通信 终端的通信业务切换到第二通信终端的技术手段, 解决了相关技术中, 尚无有效减小 通信终端的功耗的问题, 进而达到了在不影响正常通信业务的前提下, 减小通信终端 功耗的效果。 附图说明 此处所说明的附图用来提供对本实用新型的进一步理解, 构成本申请的一部分, 本实用新型的示意性实施例及其说明用于解释本实用新型, 并不构成对本实用新型的 不当限定。 在附图中: 图 1为根据本实用新型实施例的通信系统的结构框图; 图 2为根据本实用新型优选实施例的通信系统的结构示意图; 图 3为根据本实用新型实施例 1的通信系统的结构示意图; 图 4为根据本实用新型实施例 2的通信系统结构示意图; 图 5a为根据本实用新型实施例 3的手机侧通信接口电路的电路示意图; 图 5b为根据本实用新型实施例 3的手机侧的通信接口电路与其它终端侧的接口电 路示意图; 图 5c为根据本实用新型实施例 3的其它终端侧的通信接口电路的电路示意图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本实用新型。 需要说明的是, 在不冲 突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。 图 1为根据本实用新型实施例的通信系统的结构框图。如图 1所示。该系统包括: 第一通信终端 10; 通信接口电路 12, 连接至第一通信终端 10, 设置为将第一通信终端 10的通信业 务切换到第二通信终端 14; 第二通信终端 14, 连接至通信接口电路 12, 设置为实现第一通信终端 10的通信 业务。 上述实施例, 由于可以通过通信接口电路将第一通信终端 (例如手机) 的通信业 务 (例如语音通话业务) 切换到第二通信终端, 由第二通信终端完成第一通信终端的 通信业务, 因此, 可以将减少第一通信终端的功耗, 同时, 不影响正常通信业务。 在本实用新型的一个优选实施例中, 如图 2所示, 上述通信接口电路 12, 包括: 数据通信接口电路 120, 连接于第一通信终端 10和第二通信终端 14之间, 设置 为实现第一通信终端 12和第二通信终端 14之间的数据通信, 这样, 便可以实现第一 通信终端与第二通信终端之间的文件共享, 例如, 可以共享第一通信终端的通信录、 多媒体文件等。 通信切换电路 122, 设置为将第一通信终端 10的通信业务在第一通信终端 10和 第二通信终端 14之间进行切换。 优选地, 上述数据通信接口电路 120为通用串行总线 (USB)接口。 采用 USB技术 较为简单易行, 便于应用推广。 优选地, 如图 2所示, 上述通信切换电路 122包括: 控制电路 1220, 设置为在第 一通信终端 10与第二通信终端 14连接时, 产生低电平信号; 以及在第一通信终端 10 与第二通信终端 14未连接时, 产生高电平信号; 模拟开关 1222, 设置为在低电平信 号的触发下, 将第一通信终端 10的通信业务切换至第二通信终端 14; 以及在高电平 信号的触发下, 将第一通信终端 10的通信业务切换至第一通信终端 10。 这样, 便可 以实现根据电平信号的高低控制第一通信终端的通信业务在第一通信终端和第二通信 终端之间的切换。 优选地, 如图 2所示, 上述通信接口电路, 包括: 充电电路 124, 与第一通信终 端 10的第一供电电路和第二通信终端 14的第二供电电路相连, 设置为通过第二供电 电路为第一供电电路供电和 /或充电。 这样, 在节省第一通信终端的功耗的同时, 由于 可以通过第二供电电路为第一供电电路供电和 /或充电,可以更有效地延长第一通信终 端的续航时间。 在本实用新型的一个具体实施方式中, 当上述第一通信终端 10为手机时, 由于手 机通话会对人体带来辐射, 因此, 上述第二通信终端 12可以座机或无线座机, 这样, 可以有效降低手机通话对人体的辐射。 当然, 在不考虑辐射因素的情况下, 上述第二 通信终端也可以为手机。 在具体实施时, 上述通信接口电路 12可以为两个, 分别设置于第一通信终端 10 侧和第二通信终端 14侧,两个通信接口电路 12相互配合,将第一通信终端 10的通信 业务切换到第二通信终端 14。 这样, 扩展了通信接口电路的应用方式。 为了更好地理解上述实施例, 以下结合相关附图和具体实施例详细说明。 需要说 明的是, 以下实施例所涉及到的通信功能, 包括但不限于通信业务。 实施例 1 在介绍本实施例之前, 需要说明的是, 本实施例中, 用户手机相当于上述实施例 中的第一通信终端 10,其他通信终端相当于上述实施例中的第二通信终端 14,接口收 发电路相当于上述实施例中的通信接口电路 12。 本实施例中, 将手机的通信功能 (业务) 通过一定接口引到手机之外, 以减小手 机功耗并降低其对使用者的辐射。 为实现上述目的, 本实施例提供一种易实现的手机与其他通信终端进行通讯的有 线接口方案。 通过该方案, 用户可将自己手机的通信功能迁移到与之连接其他通信设 备 (如固定台、 座机等) 中, 用户通过使用上述通信设备的硬件资源 (如听筒、 话筒、 喇叭、 显示屏, 以及电源和通信电路等) 实现手机的通信功能。 具体地, 如图 3所示, 本实施例的通信系统, 包括: 用户手机 30 (相当于第一通信终端 10), 可以是功能手机或智能手机, 手机根据 自身选用芯片组方案和 SIM卡的不同, 可以是支持不同的通信制式, 如全球移动通信 (Global system for Mobile Communication, 简称为 GSM)、 时分同步码分多址接入 (Time Division-Synchronous Code Division Multiple Access, 简称为 TD-SCDMA)、 宽 带码分多址接入(Wideband Code Division Multiple Access, 简称为 WCDMA)、码分多 址接入 2000 (Code Division Multiple Access 2000, 简称为 CDMA2000)、 个人便携式电 话系统 (Personal Handyphone System, 简称为 PHS) 等; 接口收发电路 32 (相当于通信接口电路 12), 在上述手机侧和其他终端侧各配置 一套接口收发电路, 设置为实现相对应的通信制式之间的信号收发, 该接口收发电路 32完成的功能包括: 供电电路, 包括手机侧利用此电路实现电池充电, 也包括其他终端侧利用此电路 实现对外供电; 数据连接接口 (相当于数据通信接口电路 120), 可以采用 USB或其他总线连接 方式, 在有需要时完成手机与其他终端的文件共享 (如通信录、 多媒体文件等); TECHNICAL FIELD The present invention relates to the field of communications, and in particular to a communication system. BACKGROUND OF THE INVENTION Existing mobile phones, regardless of functional models or smart models, are connected by wired means: 1. charging the mobile phone using a charging cable, 2. using a data cable and a personal computer (Personal Computer, referred to as PC) or other device for Universal Serial Bus (USB) or serial port connection, 3. Use wired headset to make calls. In these application forms, the communication and call functions of the mobile phone are realized by their own radio frequency and audio circuits, and as the mobile terminal is more intelligent and the application is more and more, the capacity of the mobile phone battery The requirements are also getting higher and higher. Therefore, how to reduce the power consumption of mobile phones without affecting the normal communication service is an urgent technical problem to be solved. In view of the above problems in the related art, an effective solution has not yet been proposed. SUMMARY OF THE INVENTION A primary object of the present invention is to provide a communication system that solves at least the above problems. According to an aspect of the present invention, a communication system is provided, including: a first communication terminal; a communication interface circuit, connected to the first communication terminal, configured to switch communication service of the first communication terminal to the second communication terminal; The second communication terminal is connected to the communication interface circuit and configured to implement the communication service of the first communication terminal. The communication interface circuit includes: a data communication interface circuit connected between the first communication terminal and the second communication terminal, configured to implement data communication between the first communication terminal and the second communication terminal; and a communication switching circuit configured to The communication service of the first communication terminal is switched between the first communication terminal and the second communication terminal. The above data communication interface circuit is a universal serial bus USB interface. The communication switching circuit includes: a control circuit configured to generate a low level signal when the first communication terminal is connected to the second communication terminal; and generate a high level signal when the first communication terminal is not connected to the second communication terminal The analog switch is set to switch the communication service of the first communication terminal to the first trigger under the trigger of the low level signal a communication terminal; and, under the trigger of the high level signal, switching the communication service of the first communication terminal to the first communication terminal. The communication interface circuit includes: a charging circuit connected to the first power supply circuit of the first communication terminal and the second power supply circuit of the second communication terminal, configured to supply and/or charge the first power supply circuit through the second power supply circuit. The first communication terminal is a mobile phone, and the second communication terminal is a landline. The above communication interface circuits are two, which are respectively disposed on the first communication terminal side and the second communication terminal side, and the two communication interface circuits cooperate with each other. The utility model adopts the technical means for switching the communication service of the first communication terminal to the second communication terminal by using the set communication interface circuit between the communication terminals, and solves the related art, and has not effectively reduced the communication terminal The problem of power consumption, in turn, achieves the effect of reducing the power consumption of the communication terminal without affecting the normal communication service. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate, FIG. Improperly qualified. 1 is a structural block diagram of a communication system according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a communication system according to a preferred embodiment of the present invention; FIG. 3 is a communication according to Embodiment 1 of the present invention. 4 is a schematic structural diagram of a communication system according to Embodiment 2 of the present invention; FIG. 5a is a schematic circuit diagram of a mobile phone side communication interface circuit according to Embodiment 3 of the present invention; FIG. 5b is a schematic diagram of a mobile phone side communication interface circuit according to Embodiment 3 of the present invention; 3 is a schematic diagram of a communication interface circuit on the mobile phone side and an interface circuit on the other terminal side; FIG. 5c is a circuit diagram of another communication terminal circuit on the terminal side according to Embodiment 3 of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. 1 is a block diagram showing the structure of a communication system in accordance with an embodiment of the present invention. As shown in Figure 1. The system comprises: a first communication terminal 10; a communication interface circuit 12, connected to the first communication terminal 10, configured to switch the communication service of the first communication terminal 10 to the second communication terminal 14; the second communication terminal 14, connected to The communication interface circuit 12 is arranged to implement the communication service of the first communication terminal 10. In the above embodiment, since the communication service (for example, voice call service) of the first communication terminal (for example, a mobile phone) can be switched to the second communication terminal through the communication interface circuit, the communication service of the first communication terminal is completed by the second communication terminal, The power consumption of the first communication terminal can be reduced, and at the same time, the normal communication service is not affected. In a preferred embodiment of the present invention, as shown in FIG. 2, the communication interface circuit 12 includes: a data communication interface circuit 120 connected between the first communication terminal 10 and the second communication terminal 14, configured to implement Data communication between the first communication terminal 12 and the second communication terminal 14, so that file sharing between the first communication terminal and the second communication terminal can be realized, for example, the communication record and multimedia of the first communication terminal can be shared. Documents, etc. The communication switching circuit 122 is arranged to switch the communication service of the first communication terminal 10 between the first communication terminal 10 and the second communication terminal 14. Preferably, the data communication interface circuit 120 is a universal serial bus (USB) interface. The use of USB technology is relatively simple and easy to implement and promote. Preferably, as shown in FIG. 2, the communication switching circuit 122 includes: a control circuit 1220 configured to generate a low level signal when the first communication terminal 10 is connected to the second communication terminal 14; and at the first communication terminal 10 When not connected to the second communication terminal 14, a high level signal is generated; the analog switch 1222 is configured to switch the communication service of the first communication terminal 10 to the second communication terminal 14 under the trigger of the low level signal; The communication service of the first communication terminal 10 is switched to the first communication terminal 10 under the trigger of the high level signal. In this way, it is possible to control the switching of the communication service of the first communication terminal between the first communication terminal and the second communication terminal according to the level of the level signal. Preferably, as shown in FIG. 2, the communication interface circuit includes: a charging circuit 124 connected to the first power supply circuit of the first communication terminal 10 and the second power supply circuit of the second communication terminal 14, and configured to be powered by the second power supply The circuit supplies and/or charges the first power supply circuit. In this way, while saving the power consumption of the first communication terminal, since the first power supply circuit can be powered and/or charged by the second power supply circuit, the battery life of the first communication terminal can be more effectively extended. In a specific embodiment of the present invention, when the first communication terminal 10 is a mobile phone, since the mobile phone call causes radiation to the human body, the second communication terminal 12 can be a landline or a wireless landline, so that it can be effective. Reduce the radiation of the phone to the human body. Of course, the second communication terminal may also be a mobile phone without considering the radiation factor. In a specific implementation, the foregoing communication interface circuit 12 may be two, respectively disposed on the first communication terminal 10 side and the second communication terminal 14 side, and the two communication interface circuits 12 cooperate with each other to communicate the communication service of the first communication terminal 10. Switching to the second communication terminal 14. In this way, the application of the communication interface circuit is expanded. In order to better understand the above embodiments, the following detailed description will be made in conjunction with the accompanying drawings and specific embodiments. It should be noted that the communication functions involved in the following embodiments include, but are not limited to, communication services. Embodiment 1 Before the present embodiment is described, it should be noted that, in this embodiment, the user mobile phone is equivalent to the first communication terminal 10 in the above embodiment, and the other communication terminals are equivalent to the second communication terminal 14 in the above embodiment. The interface transceiver circuit is equivalent to the communication interface circuit 12 in the above embodiment. In this embodiment, the communication function (service) of the mobile phone is introduced to the mobile phone through a certain interface to reduce the power consumption of the mobile phone and reduce the radiation to the user. To achieve the above objective, the embodiment provides a wired interface solution for easily communicating between a mobile phone and other communication terminals. Through this scheme, users can migrate the communication function of their mobile phones to other communication devices (such as fixed stations, landlines, etc.) connected to them, and the users use the hardware resources of the above communication devices (such as earpieces, microphones, speakers, and display screens). And power and communication circuits, etc.) to achieve the communication function of the mobile phone. Specifically, as shown in FIG. 3, the communication system of this embodiment includes: a user mobile phone 30 (corresponding to the first communication terminal 10), which may be a function mobile phone or a smart phone, and the mobile phone selects a chipset solution and a SIM card according to itself. Different, it can support different communication standards, such as Global System for Mobile Communication (GSM), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA). , width Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access 2000 (CDMA2000), Personal Handyphone System (PHS) The interface transceiver circuit 32 (corresponding to the communication interface circuit 12) is provided with a set of interface transceiver circuits on the mobile phone side and other terminal sides, and is configured to implement signal transmission and reception between corresponding communication systems, and the interface transceiver circuit 32 completed functions include: Power supply circuit, including the mobile phone side to use this circuit to achieve battery charging, also includes other terminal side to use this circuit to achieve external power supply; Data connection interface (equivalent to data communication interface circuit 120), can use USB or other bus Connection mode, complete file sharing between mobile phones and other terminals (such as address book, multimedia files, etc.) when needed;
SIM卡信号切换电路(相当于通信切换电路 122), 切换上述手机侧和其他终端侧 的 SIM卡通路, 实现 SIM卡信号共享, 当未使用此接口电路进行连接时, 手机和其他 终端分别使用自身的 SIM卡信号实现通信, 当使用此接口电路进行连接时, 二者均不 能访问自身的 SIM卡, 而是通过接口由上述终端设备访问上述手机的 SIM卡; 专用接口 34, 可包含于上述接口收发电路 32中, 通过该专用接口可以输出以下 信号: 供电信号、 USB信号、 SIM卡信号及控制信号, 实现上述手机与终端设备的通 信连接, 在物理上, 可采用数据线的方式连接, 也可采用公母座直连等方式进行连接。 其他通信终端 36 (相当于第二通信终端 14), 可以是固定台或座机等终端设备, 要能与 A中所述用户手机进行通讯, 一般要求与手机支持同一种通信制式, 如 GSM、 TD-SCDMA, WCDMA等, 除此之外, 此类通信终端具有听筒、话筒、 喇叭、显示屏、 电源和通信电路, 其中听筒、 话筒、 喇叭可设置为实现语音通话, 显示屏可设置为来 电、 短信、 邮件显示等, 电源为本机的各电路进行供电还可实现电池充电, 通信电路 既可以是射频通信电路 (支持无线通信模式, 如 GSM、 TD-SCDMA, WCDMA等), 也可以是有线通信电路 (支持有线通信模式, 如固定电话等) 采用本实施例所述技术方案, 当用户将上述手机和其他终端设备通过专用接口及 接口收发电路连接后, 手机关闭通信功能, 进入充电状态, 同时其他终端设备在连接 后共享手机的 SIM卡信号, 用户可以使用其他终端的听筒、 话筒、 显示屏等资源进行 通信, 一方面可以减小手机通话带来的辐射, 另一方面可以延长手机的续航时间。 实施例 2 本实施例中, 对于不支持 SIM卡的上述其他终端设备 34, 如座机, 可采用如附图 4中所示的实现形式, 可在专用接口 34中包括供电信号、 USB信号以及音频信号, 相 应地, 双方的接口收发电路 32可以实现座机对手机充电、 座机与手机之间的 USB数 据通信, 同时可将手机的送、 受话音频信号切换到座机中, 此种情况下, 用户可使用 座机的听筒、 麦克等资源实现语音通话功能。 对于有外部电源供电、 有点阵显示屏的 座机, 用户可通过供电信号实现对手机的充电, 通过 USB信号接口实现文件共享, 对 于不具有外部电源或点阵显示屏的座机, 也可省略上述供电或 USB信号接口。在此种 实现形式中, 手机通话或收发信息是通过手机侧的射频和音频电路实现的, 但由于使 用座机的听筒、 麦克、 供电和显示屏等资源, 同样可以减小手机通话带来的辐射, 并 延长手机续航时间。 实施例 3 下面结合具体实施例对以上方案进行说明, 以一个手机和固定台 (即无线座机) 的连接举例, 本实施例的通信接口电路, 包括手机侧接口电路 (图 5a)、 固定台侧接口 电路 (图 5c) 以及接口连线关系 (图 5b)三部分。 如图 5a所示, 手机侧接口电路包括以下几个部分: 充电及 USB数据接口, 包括 VBUS、 USB_D -、 USB_D+、 USB ID, 同时还包 括地信号 (GND), 其中 VBUS设置为接收来自固定台的供电, 进行手机电池充电, USB_D -、 USB_D+、 USB_ID可设置为与固定台进行 USB通信; SIM卡接口及 SIM卡切换电路, SIM卡接口信号包括 SIM_VCC、 SIM_CLK、The SIM card signal switching circuit (corresponding to the communication switching circuit 122) switches the SIM card path on the mobile phone side and the other terminal side to realize SIM card signal sharing. When the interface circuit is not used for connection, the mobile phone and other terminals respectively use the same. The SIM card signal realizes communication. When the interface circuit is used for connection, neither of them can access the SIM card of the mobile phone, but the SIM card of the mobile phone is accessed by the terminal device through the interface; the dedicated interface 34 can be included in the interface. In the transceiver circuit 32, the following signals can be output through the dedicated interface: a power supply signal, a USB signal, a SIM card signal, and a control signal to implement a communication connection between the mobile phone and the terminal device, and physically connected by a data line. It can be connected by means of direct connection of male and female. The other communication terminal 36 (corresponding to the second communication terminal 14) may be a terminal device such as a fixed station or a landline. To communicate with the user's mobile phone in the A, it is generally required to support the same communication system as the mobile phone, such as GSM, TD. -SCDMA, WCDMA, etc., in addition, such communication terminals have an earpiece, a microphone, a speaker, a display screen, a power supply, and a communication circuit, wherein the handset, the microphone, and the speaker can be set to implement a voice call, and the display can be set to an incoming call. SMS, mail display, etc., the power supply can also be used to power the various circuits of the machine, and the communication circuit can be a radio frequency communication circuit (supporting wireless communication mode, such as GSM, TD-SCDMA, WCDMA, etc.), or can be wired. The communication circuit (supports a wired communication mode, such as a fixed telephone, etc.) adopts the technical solution described in this embodiment. When the user connects the mobile phone and other terminal devices through a dedicated interface and an interface transceiver circuit, the mobile phone turns off the communication function and enters the charging state. At the same time, other terminal devices share the SIM card signal of the mobile phone after connecting, and the user can use the SIM card signal. Earpiece, microphone, display and other resources of the terminal to communicate, one can reduce the radiation caused by the phone call, the phone on the other hand can extend battery life. Embodiment 2 In this embodiment, for the other terminal devices 34 that do not support the SIM card, such as a landline, an implementation form as shown in FIG. 4 may be adopted, and the power supply signal, the USB signal, and the audio may be included in the dedicated interface 34. The signal, correspondingly, the interface transceiver circuit 32 of the two sides can realize the charging of the mobile phone by the landline, the USB data communication between the landline and the mobile phone, and at the same time, the sending and receiving audio signals of the mobile phone can be switched to the landline, in this case, the user Voice calls can be implemented using the handset, microphone, and other resources of the base unit. For landlines with external power supply and a bit of array display, the user can charge the mobile phone through the power supply signal, and share the file through the USB signal interface. For the landline without external power supply or dot matrix display, the above power supply can also be omitted. Or USB signal interface. In this implementation form, the mobile phone talks or sends and receives information through the radio frequency and audio circuits on the mobile phone side, but the use of the handset, microphone, power supply and display screen resources of the landline can also reduce the radiation caused by the mobile phone call. And extend the phone's battery life. Embodiment 3 The following is a description of the above embodiment in conjunction with a specific embodiment. The connection interface of a mobile phone and a fixed station (ie, a wireless base station), the communication interface circuit of the embodiment includes a mobile phone side interface circuit (FIG. 5a), and a fixed station side. The interface circuit (Fig. 5c) and the interface connection relationship (Fig. 5b) are three parts. As shown in FIG. 5a, the mobile phone side interface circuit includes the following parts: charging and USB data interface, including VBUS, USB_D -, USB_D+, USB ID, and also includes a ground signal (GND), wherein VBUS is set to receive from the fixed station. Power supply, charge the mobile phone battery, USB_D -, USB_D+, USB_ID can be set to USB communication with the fixed station; SIM card interface and SIM card switching circuit, SIM card interface signals include SIM_VCC, SIM_CLK,
SIM_DATA、 SIM_RST四根信号线, SIM卡切换电路包括一个模拟开关 S及其外围电 路, 同时还包括一个对外的接口控制信号 FLAG, 该信号控制上述模拟开关的切换, 当 FLAG=H时, SIM卡与手机 BB相连, 当 FLAG=L时, SIM卡信号被切换到外部接 口上。 当手机未连接到固定台时, FLAG在上拉电阻使用下为高电平, SIM卡信号被模 拟开关 S切换到手机基带控制侧 (BB侧), 用户可正常使用手机; 当手机与固定台相 连接时, 由于 FLAG信号在接口连线中被拉到 GND, 因此 FLAG=L, SIM卡信号被 切换到接口侧, 可与固定台通信, 同时, USB和充电接口也可通过接口与固定台的相 应信号相连, 实现 USB充电及数据通信。 如图 5c所示, 固定台侧接口电路包括以下几个部分: 充电及 USB数据接口, 包括 VBUS、 USB_D -、 USB_D+、 USB ID, 同时还包 括地信号 (GND), 其中 VBUS 设置为向手机供电, 实现对手机的充电, USB_D -、 USB_D+、 USB_ID设置为与手机进行 USB通信; SIM卡接口及 SIM卡切换电路, SIM卡接口信号包括 SIM_VCC、 SIM_CLK、SIM_DATA, SIM_RST four signal lines, SIM card switching circuit includes an analog switch S and its peripheral circuits, and also includes an external interface control signal FLAG, which controls the switching of the above analog switch, when FLAG=H, SIM card Connected to the mobile phone BB, when FLAG=L, the SIM card signal is switched to the external interface. When the mobile phone is not connected to the fixed station, FLAG is high level when the pull-up resistor is used, and the SIM card signal is switched to the baseband control side (BB side) of the mobile phone by the analog switch S, and the user can use the mobile phone normally; when the mobile phone and the fixed station When connected, since the FLAG signal is pulled to GND in the interface connection, FLAG=L, the SIM card signal is switched to the interface side, and can communicate with the fixed station. At the same time, the USB and charging interface can also pass through the interface and the fixed station. The corresponding signals are connected to realize USB charging and data communication. As shown in FIG. 5c, the fixed station side interface circuit includes the following parts: charging and USB data interface, including VBUS, USB_D -, USB_D+, USB ID, and also includes a ground signal (GND), wherein VBUS is set to supply power to the mobile phone. To realize charging of the mobile phone, USB_D -, USB_D+, USB_ID are set to perform USB communication with the mobile phone; SIM card interface and SIM card switching circuit, SIM card interface signals include SIM_VCC, SIM_CLK,
SIM_DATA、 SIM_RST四根信号线, SIM卡切换电路包括一个模拟开关 S及其外围电 路, 同时还包括一个对外的接口控制信号 FLAG, 该信号控制上述模拟开关的切换, 当 FLAG=H时, SIM卡与固定台 BB相连, 当 FLAG=L时, SIM卡信号被切换到外部 接口上。 当固定台未与手机连接时, FLAG在上拉电阻使用下为高电平, SIM卡信号被模 拟开关 S切换到固定台 BB侧, 用户可正常使用手机; 当手机与固定台相连接时, 由 于 FLAG信号在接口连线中被拉到 GND, 因此 FLAG=L, SIM卡信号被切换到接口 侧, 可与手机 SIM卡信号连接, 同时, USB和充电接口也可通过接口与手机侧相应信 号相连, 实现 USB充电及数据通信。 上述两个接口可通过专用数据线进行连接,数据线的连接关系如图 5b所示, 该数 据线除了保证两个设备进行互连外, 还将 FLAG信号短接到 G D, 当信号线连接后, 实现 SIM卡信号的切换。 以上所述仅为本实用新型的优选实施例而已, 并不用于限制本实用新型, 对于本 领域的技术人员来说, 本实用新型可以有各种更改和变化。 凡在本实用新型的精神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本实用新型的保护范围 之内。 SIM_DATA, SIM_RST four signal lines, SIM card switching circuit includes an analog switch S and its peripheral circuits, and also includes an external interface control signal FLAG, which controls the switching of the above analog switch, when FLAG=H, SIM card Connected to the fixed station BB, when FLAG=L, the SIM card signal is switched to the external interface. When the fixed station is not connected to the mobile phone, FLAG is high level when the pull-up resistor is used, and the SIM card signal is switched to the fixed station BB side by the analog switch S, and the user can use the mobile phone normally; when the mobile phone is connected with the fixed station, Since the FLAG signal is pulled to GND in the interface connection, FLAG=L, the SIM card signal is switched to the interface side, and can be connected with the SIM card signal of the mobile phone. At the same time, the USB and charging interface can also be corresponding signals through the interface and the mobile phone side. Connected to achieve USB charging and data communication. The above two interfaces can be connected through a dedicated data line, and the connection relationship of the data lines is as shown in FIG. 5b. In addition to ensuring interconnection between the two devices, the data line also shorts the FLAG signal to the GD, and when the signal lines are connected, , to achieve the switching of the SIM card signal. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. For those skilled in the art, the present invention may be variously modified and changed. Any modifications, equivalent substitutions, improvements, etc. within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

权 利 要 求 书 Claim
1. 一种通信系统, 包括: 1. A communication system comprising:
第一通信终端;  First communication terminal;
通信接口电路, 连接至所述第一通信终端, 设置为将所述第一通信终端的 通信业务切换到第二通信终端;  a communication interface circuit, connected to the first communication terminal, configured to switch the communication service of the first communication terminal to the second communication terminal;
所述第二通信终端, 连接至所述通信接口电路, 设置为实现所述第一通信 终端的通信业务。  The second communication terminal is connected to the communication interface circuit and configured to implement communication services of the first communication terminal.
2. 根据权利要求 1所述的系统, 其中, 所述通信接口电路, 包括: 2. The system according to claim 1, wherein the communication interface circuit comprises:
数据通信接口电路, 连接于所述第一通信终端和所述第二通信终端之间, 设置为实现所述第一通信终端和所述第二通信终端之间的数据通信;  a data communication interface circuit, connected between the first communication terminal and the second communication terminal, configured to implement data communication between the first communication terminal and the second communication terminal;
通信切换电路, 设置为将所述第一通信终端的通信业务在所述第一通信终 端和所述第二通信终端之间进行切换。  The communication switching circuit is configured to switch the communication service of the first communication terminal between the first communication terminal and the second communication terminal.
3. 根据权利要求 2所述的系统,其中,所述数据通信接口电路为通用串行总线 USB 接口。 3. The system of claim 2 wherein the data communication interface circuit is a universal serial bus USB interface.
4. 根据权利要求 1所述的系统, 其中, 所述通信切换电路包括: 4. The system according to claim 1, wherein the communication switching circuit comprises:
控制电路, 设置为在所述第一通信终端与所述第二通信终端连接时, 产生 低电平信号; 以及在所述第一通信终端与所述第二通信终端未连接时, 产生高 电平信号;  a control circuit configured to generate a low level signal when the first communication terminal is connected to the second communication terminal; and to generate a high power when the first communication terminal is not connected to the second communication terminal Flat signal
模拟开关, 设置为在所述低电平信号的触发下, 将所述第一通信终端的通 信业务切换至所述第二通信终端; 以及在所述高电平信号的触发下, 将所述第 一通信终端的通信业务切换至所述第一通信终端。  An analog switch configured to switch a communication service of the first communication terminal to the second communication terminal under the trigger of the low level signal; and to trigger the high level signal The communication service of the first communication terminal is switched to the first communication terminal.
5. 根据权利要求 1至 4任一项所述的系统, 其中, 所述通信接口电路, 包括: 充电电路, 与所述第一通信终端的第一供电电路和所述第二通信终端的第 二供电电路相连, 设置为通过所述第二供电电路为所述第一供电电路供电和 / 或充电。 The system according to any one of claims 1 to 4, wherein the communication interface circuit comprises: a charging circuit, and a first power supply circuit of the first communication terminal and a second communication terminal The two power supply circuits are connected to be configured to supply and/or charge the first power supply circuit through the second power supply circuit.
6. 根据权利要求 1至 4任一项所述的系统, 其中, 所述第一通信终端为手机, 所述第二通信终端为座机。 根据权利要求 1至 4任一项所述的系统, 其中, 所述通信接口电路为两个, 分 别设置于所述第一通信终端侧和所述第二通信终端侧, 两个所述通信接口电路 相互配合。 The system according to any one of claims 1 to 4, wherein the first communication terminal is a mobile phone, and the second communication terminal is a landline. The system according to any one of claims 1 to 4, wherein the communication interface circuit is two, and is respectively disposed on the first communication terminal side and the second communication terminal side, and the two communication interfaces are The circuits work together.
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CN201910827U (en) * 2010-11-12 2011-07-27 深圳市天讯龙软件技术有限公司 Double-network wireless parent-subsidiary telephone

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