Group array photodetector combiner
    73.
    发明授权

    公开(公告)号:US10715254B2

    公开(公告)日:2020-07-14

    申请号:US16357248

    申请日:2019-03-18

    Abstract: High-performance ultra-wideband Phased Array Sensors (PAS) are disclosed, which have unique capabilities, enabled through photonic integrated circuits and novel optical architectures. Unique capabilities for a Receive PAS are provided by wafer scale photonic integration including heterogeneous integration of III-V materials and ultra-low-loss silicon nitride waveguides, combining key component technologies into complex PIC devices. Novel aspects include optical multiplexing combining wavelength division multiplexing and/or a novel extension to array photodetectors providing the capability to combine many RF photonic signals with very low loss. The architecture also includes optical down-conversion, as well as digital signal processing to improve the linearity of the system. Simultaneous multi-channel beamforming is achieved through optical power splitting of optical signals to create multiple exact replicas of the signals that are then processed independently.

    Communication control apparatus
    75.
    发明授权
    Communication control apparatus 失效
    通讯控制装置

    公开(公告)号:US5732070A

    公开(公告)日:1998-03-24

    申请号:US749184

    申请日:1996-11-14

    Applicant: Shigeru Hiroki

    Inventor: Shigeru Hiroki

    Abstract: Disclosed is a communications-exchange apparatus which can re-establish a communication link with a plurality of terminals using a re-assigned TEI after the apparatus is reset. When the exchange is reset, built-in Terminal Endpoint Identifier (TEI) management procedure execution unit 202 sets the contents of a TEI table 204 to "not-in-use" and performs a TEI check procedure on an ISDN transmission path 106. The TEI management procedure execution unit 202 sets the status of the TEI table 204 corresponding to a TEI confirmed to have been used to "in-use", or performs a TEI removal procedure.

    Abstract translation: 公开了一种通信交换装置,其可以在设备复位之后使用重新分配的TEI重新建立与多个终端的通信链路。 当交换被重置时,内置终端标识符(TEI)管理过程执行单元202将TEI表204的内容设置为“不使用”,并在ISDN传输路径106上执行TEI校验过程。 TEI管理过程执行单元202将TEI表204的状态设置为对应于被确认为已被使用为“使用中”的TEI,或者执行TEI删除过程。

    ISDN private local switching system
    78.
    发明授权
    ISDN private local switching system 失效
    ISDN专用本地交换系统

    公开(公告)号:US5398246A

    公开(公告)日:1995-03-14

    申请号:US61388

    申请日:1993-05-14

    Inventor: Masahito Fujioka

    CPC classification number: H04Q11/0428

    Abstract: In a private branch exchange connected to an Integrated Services Digital Network, an ISDN user interface unit separates a signal from each user terminal into a B-channel packet and a D-channel packet and further separates the latter into a signaling message and a D-channel packet mode signal. The separated D-channel packet mode signal is multiplexed with D-channel packet mode signals from other user terminals into a D-channel packet mode multiplex signal and applied through a channel to an ISDN network interface unit, while the signaling message is applied to a controller for processing. In the ISDN network interface unit, the D-channel packet mode multiplex signal is multiplexed with the signaling message processed by the controller into an outgoing D-channel signal and transmitted with the B-channel packet to the ISDN.

    Abstract translation: 在连接到综合业务数字网络的专用交换机交换机中,ISDN用户接口单元将每个用户终端的信号分离成B信道分组和D信道分组,并进一步将其分为信令消息和D- 信道分组模式信号。 分离的D信道分组模式信号与来自其他用户终端的D信道分组模式信号复用为D信道分组模式多路复用信号,并通过信道应用于ISDN网络接口单元,同时将信令消息应用于 控制器进行处理。 在ISDN网络接口单元中,D信道分组模式复用信号与由控制器处理的信令消息多路复用到输出D信道信号中,并与B信道分组一起发送到ISDN。

    Management system capable of quickly assigning a terminal endpoint
identifier to a terminal equipment unit
    79.
    发明授权
    Management system capable of quickly assigning a terminal endpoint identifier to a terminal equipment unit 失效
    管理系统能够快速地将终端终端标识符分配给终端设备单元

    公开(公告)号:US5125082A

    公开(公告)日:1992-06-23

    申请号:US367180

    申请日:1989-06-16

    Inventor: Ryuhei Fujiwara

    Abstract: In a management system for managing a plurality of terminal endpoint identifiers which are to be assigned to terminal equipment units, an up-down counter is selectively operable in a count-up mode and a count-down mode to count the number of the terminal equipment units which are currently practically connected to the management system and to produce a count signal and to which the terminal endpoint identifiers are assigned, respectively. A read-only memory memorizes a first threshold value and a second threshold value greater than the first threshold value. A comparator compares the count signal with the first threshold value to produce a coincidence signal when the count signal is coincident with the first threshold value. On production of the coincidence signal, the terminal equipments to which the terminal endpoint identifiers are assigned are monitored by a central processing unit to judge whether or not the terminal equipments in question are actually connected to the management system. The first threshold value is changed to the second threshold value under control of a central processing unit in response to the coincidence signal.

    Abstract translation: 在用于管理要分配给终端设备单元的多个终端端点标识符的管理系统中,升降计数器可选择性地以递增模式和递减计数模式操作以对终端设备的数量进行计数 目前实际上连接到管理系统并且产生计数信号并且分配了终端端点标识符的单元。 只读存储器存储大于第一阈值的第一阈值和第二阈值。 当计数信号与第一阈值一致时,比较器将计数信号与第一阈值进行比较,以产生一致信号。 在产生符合信号时,终端终端标识符被分配到的终端设备由中央处理单元监视,以判断所讨论的终端设备是否实际连接到管理系统。 响应于一致信号,第一阈值在中央处理单元的控制下被改变为第二阈值。

    Exchange system for incoming calls from direct-in lines
    80.
    发明授权
    Exchange system for incoming calls from direct-in lines 失效
    来自直接线路的来电的Exchange系统

    公开(公告)号:US5099511A

    公开(公告)日:1992-03-24

    申请号:US448840

    申请日:1989-12-12

    CPC classification number: H04M3/38 H04Q3/625 H04M3/533

    Abstract: A private branch exchange for controlling the calls terminated from a direct-in line receives a call set-up message containing termination information including termination address information and termination subaddress information. The termination subaddress information is supplied by the originating station and includes a security code and an internal station number. A dial signal deciding part converts the security code into a class-of-service number in accordance with a security code table containing to class-of-service numbers. The services of the private branch exchange which are offered to a subscriber, for example termination to station or origination of call, are determined by indexing a class-of-service table containing class-of-service information using the class-of-service number.

    Abstract translation: 用于控制从直接线路终止的呼叫的专用交换机接收包含终止信息的呼叫建立消息,包括终止地址信息和终止子地址信息。 终端子地址信息由始发站提供,并包括安全码和内部站号。 拨号信号判定部分根据包含服务等级号码的安全码表将安全码转换成服务等级号码。 通过使用服务等级号码对包含服务类别信息的服务等级表进行索引来确定提供给订户的私人分支机构的服务,例如终止或呼叫的发起 。

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