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    • 4. 发明授权
    • Communication apparatus with wireless intercommunication
    • 具有无线通信功能的通信设备
    • US5519763A
    • 1996-05-21
    • US364278
    • 1994-12-27
    • Takeshi NamekawaMasayuki MotekiHidenori HayashiYukari HashibeSatoshi FukudaIkuo Kitajima
    • Takeshi NamekawaMasayuki MotekiHidenori HayashiYukari HashibeSatoshi FukudaIkuo Kitajima
    • H04M1/725H04N1/00H04N1/32H04M11/00H04Q7/20
    • H04M1/725H04N1/00281
    • A communication (comm) apparatus coupled to a telephone (tel) line comprises a base having a tel portion, a fax portion including a fax modem, a first switch for switching the mode between fax and tel, and a first wireless comm portion, and at least a cordless unit having a second wireless comm portion for communicating with the base, and a second fax portion including a recording/reading portion. The cordless unit may further comprise a second tel portion and a second switch for switching the mode between fax and tel wherein the base can change the second switch to the other mode if necessary. A cordless phone may be further provided. In response to a fax call, the base holds the line but the cordless unit does the fax procedure and if there is no response from the cordless unit within a given interval, the line is disconnected wherein each of cordless unit responds with a different delay time to have a priority. During facsimile comm, an erroneous on-hook is neglected. A cordless unit has a guidance portion for outputting a given message and if there is an extension call to other cordless unit in fax mode, the other cordless unit transmits a control signal and the cordless unit outputs the message. The wireless comm portion has multi-channels to provide a comm between cordless units even when a cordless unit receives a fax signal.
    • 耦合到电话(tel)线路的通信(通信)设备包括具有电话部分的基座,包括传真调制解调器的传真部分,用于切换传真和电话之间的模式的第一开关和第一无线通信部分,以及 至少一个具有用于与基座通信的第二无线通信部分的无绳单元和包括记录/读取部分的第二传真部分。 无绳单元还可以包括第二电话部分和用于切换传真和电话之间的模式的第二开关,其中如果需要,基座可以将第二开关改变到另一模式。 可以进一步提供无绳电话。 响应于传真呼叫,基座保持线路,但无绳单元执行传真过程,如果在给定间隔内没有来自无绳单元的响应,则线路被断开,其中每个无绳单元以不同的延迟时间 优先考虑 在传真通信期间,错误的挂机被忽略。 无绳单元具有用于输出给定消息的引导部分,并且如果在传真模式下存在对其他无绳单元的分机呼叫,则另一个无绳单元发送控制信号,并且无绳单元输出该消息。 无线通信部分具有多通道以提供无绳单元之间的通信,即使无绳单元接收到传真信号。