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    • 17. 发明授权
    • Digital audio disc system
    • 数字音频光盘系统
    • US4613965A
    • 1986-09-23
    • US722434
    • 1985-04-15
    • Katsuya HoriTsuneo Furuya
    • Katsuya HoriTsuneo Furuya
    • H03M13/00G11B3/00G11B7/00G11B7/004G11B20/10G11B20/18G11B27/10G11B27/11G11B27/30G11B27/34G11B31/00
    • G11B27/11G11B20/10527G11B20/1803G11B20/1813G11B27/105G11B27/3063G11B27/34G11B2220/20G11B2220/2545G11B2220/65
    • A digital audio disc system having a main channel in which main data consisting of audio PCM signals and codes for error correction are recorded and a subchannel in which information digital signals other than said main data are recorded is disclosed. The code signals comprising a sync signal which has a prescribed bit pattern, a display position data, a command for a computer, and a display data relating a content of said audio PCM signals are also recorded multi-times on the disc together with said main data so as to enable the error check of said code signals. Both code signals and main data are reproduced and supplied to a display unit so as to indicate the correct display information data on a display screen under control of a microcomputer provided in the playback side. When a pickup device moves on the disc in the radial direction at a speed higher than that in an ordinary playback operation, the display screen of said display unit is cleared or previously reproduced normal display data is held on the screen. When the pickup device does not start the playback of said display data from the display start position, the display data thus reproduced is made invalid until the display data at the display start position is reproduced. In this way, it is possible to prevent indication of abnormal display data.
    • 一种具有主通道的数字音频盘系统,其中记录了由音频PCM信号和纠错码组成的主要数据,以及其中记录除了所述主数据之外的信息数字信号的子信道。 包括具有规定位图案的同步信号,显示位置数据,计算机命令以及与所述音频PCM信号的内容有关的显示数据的代码信号也与所述主体一起多次记录在盘上 数据,以便能够对所述码信号进行错误检查。 代码信号和主数据被再现并提供给显示单元,以便在设置在重放侧的微型计算机的控制下在显示屏幕上指示正确的显示信息数据。 当拾取装置以比普通重放操作更高的速度在径向方向上移动时,所述显示单元的显示屏幕被清除或预先再现,普通显示数据被保持在屏幕上。 当拾取装置没有从显示开始位置开始显示所述显示数据的再现时,由此再现的显示数据变为无效,直到再现显示开始位置的显示数据。 以这种方式,可以防止异常显示数据的指示。
    • 18. 发明授权
    • Private network system and method of transferring an incoming call
    • 专用网络系统和传入呼叫的​​方法
    • US5761620A
    • 1998-06-02
    • US455565
    • 1995-05-31
    • Tsuneo FuruyaYohichi Ogawa
    • Tsuneo FuruyaYohichi Ogawa
    • H04W4/00H04Q7/26
    • H04W8/02H04W8/12H04W4/00H04W84/16
    • A private network system including mobile radio telephones is able to originate connection and terminate connection even when any of the mobile radio telephones are moved from one exchange where the position of the mobile radio telephone is registered to another exchange. In the private network system which comprises a plurality of exchanges for switching telephones, each of the exchanges includes one or more radio connection controllers for radio communicating with mobile radio telephones, and a plurality of mobile radio telephones connected through the radio connection controller to the exchange for switching, the radio connection controller has an area in which the controller can communicate with the mobile radio telephones. Each of the mobile radio telephones has detection means for detecting movement thereof from the area to a different area and position registration means, upon movement of the telephone to the different area, for reporting the position thereof to the home exchange through the radio connection controller, and each of the exchanges has determination means for determining whether or not a mobile radio telephone has moved from an area of radio connection controller contained in a different exchange and transfer means for transferring the terminating call to the different exchange when appropriate.
    • 包括移动无线电话的私有网络系统能够发起连接并终止连接,即使当任何移动无线电话从移动无线电话的位置被注册到另一交换机的一个交换机移动时。 在包括用于切换电话的多个交换机的专用网络系统中,每个交换机包括用于与移动无线电话无线电通信的一个或多个无线电连接控制器,以及通过无线电连接控制器连接到交换机的多个移动无线电话 为了切换,无线电连接控制器具有控制器可以与移动无线电话进行通信的区域。 每个移动无线电话具有用于检测从该区域到另一区域的移动的检测装置,并且当电话机移动到不同区域时,位置登记装置用于通过无线电连接控制器将其位置报告给家庭交换机, 并且每个交换机具有用于确定移动无线电话是否已经从包含在不同交换机中的无线电连接控制器的区域移动的确定装置和用于在适当时将终接呼叫转移到不同交换机的传送装置。
    • 20. 发明授权
    • Mobile communication system and location registration method in mobile
communication system
    • 移动通信系统中的移动通信系统和位置登记方法
    • US5379451A
    • 1995-01-03
    • US972547
    • 1992-11-06
    • Arata NakagoshiHideya SuzukiYoshinobu YamamotoIsao ShimboTsuneo FuruyaHiroshi Kuwahara
    • Arata NakagoshiHideya SuzukiYoshinobu YamamotoIsao ShimboTsuneo FuruyaHiroshi Kuwahara
    • H04W60/00H04W60/04H04W88/02H04B7/00
    • H04W60/00H04W60/04H04W88/02
    • A mobile station, operable in a mobil communication system that executes a location registration processing by using the channel quality of a base station and an information concerning a base station the mobile station includes a base station information memory unit for storing therein information concerning a plurality of base stations and an amount in which the channel quality of the base station is changed with time and a location judging unit for judging on the basis of the amount in which the base station information is changed with time and which is stored in the base station information memory unit whether or not location registration processing is to be executed indicating a location in service area. Whether the location registration processing is to be executed or not is determined in accordance with the moving speed of the mobile station, thereby limiting the occurrence of a location registration request which becomes invalid with a large possibility in a short period of time because the mobile station moves to another location registration area or to the calling area in a short period of time.
    • 一种在通过使用基站的信道质量执行位置登记处理的移动通信系统和与基站有关的信息中可操作的移动站,所述移动站包括:基站信息存储单元,用于在其中存储关于多个 基站和基站的信道质量随时间变化的量,以及基于基站信息随时间而变化并存储在基站信息中的位置判断单元的位置判断单元 存储单元是否要执行指示服务区域中的位置的位置注册处理。 根据移动台的移动速度来确定位置登记处理是否被执行,从而在短时间内限制了在很短的时间内以很大的可能性变得无效的位置登记请求的出现,因为移动站 在短时间内移动到另一个位置登记区域或呼叫区域。