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    • 2. 发明申请
    • A SMALL FORM-FACTOR DEVICE IMPLEMENTING PROTOCOL CONVERSION
    • 实现协议转换的小形式因素设备
    • WO2006092781A1
    • 2006-09-08
    • PCT/IL2006/000247
    • 2006-02-23
    • RAD DATA COMMUNICATIONS LTDSTEIN, YaakovSILBERMAN, Hugo
    • STEIN, YaakovSILBERMAN, Hugo
    • H04L29/06
    • H01R31/065H01R24/64H01R2201/04H04L69/08
    • A small form-factor transceiver module performs protocol translation, in addition to the conventional electrical and/or optical transmission media conversion. Such protocol conversion may enable transport of traffic from limited-range primary networks over long-range secondary networks, such as extension of Ethernet networks over low-rate TDM links. Additionally, such protocol conversion may enable interworking between different networks of differing technologies, such as transport of ATM traffic over Ethernet networks. The transceiver module may be a Small Form Factor transceiver (SFF), Small Form Factor pluggable module (SFP), Gigabit Interface Converter (GBIC) or any similar small form-factor module consisting of a housing, internal electronic circuitry and optionally optical components, and associated electrical or optical connectors. The transceiver module performs protocol translation by means of an integral protocol translation unit that performs standards-based or proprietary conversion between network protocols.
    • 除了传统的电和/或光传输介质转换之外,小尺寸收发模块执行协议转换。 这种协议转换可以使得能够通过远程次级网络传输来自有限范围的主要网络的业务,例如通过低速率TDM链路来扩展以太网。 此外,这样的协议转换可以实现不同技术的不同网络之间的互通,诸如在以太网上传输ATM业务。 收发器模块可以是小外形因子收发器(SFF),小尺寸可插拔模块(SFP),千兆位接口转换器(GBIC)或由外壳,内部电子电路和可选的光学部件组成的任何类似的小尺寸模块, 以及相关的电气或光学连接器。 收发器模块通过在网络协议之间执行基于标准或专有转换的整合协议转换单元执行协议转换。
    • 5. 发明申请
    • A SYSTEM AND METHOD FOR LOW BIT-RATE COMPRESSION OF COMBINED SPEECH AND MUSIC
    • 用于组合的语音和音乐的低比特率压缩的系统和方法
    • WO2004029935A1
    • 2004-04-08
    • PCT/IB2003/004856
    • 2003-09-24
    • RAD DATA COMMUNICATIONSSTEIN, Yaakov
    • STEIN, Yaakov
    • G10L19/00
    • G10L19/20G10L19/167
    • A system and method of compressing audio signals (110, 116, 130, 136, 140, 146) which simultaneously contain speech (110, 116), music (130,136, 140, 146) and possibly other audio in such fashion as to reduce the required bandwidth or storage capacity. Audio (110, 116, 130, 136, 140, 146) is transmitted as simultaneous but separate streams of speech audio (110, 116) and music (or other non-speech) audio (130, 136, 140, 146), as well as other streams such as video (210, 216), text (120, 220), computer graphics (230), etc. By keeping the music (130, 136, 140, 146) separate from the speech (110, 116), each can be maximally compressed. By synchronizing these streams (110,, 116, 130, 136, 140, 146, 210, 216, 220, 230), the desired combination can be recreated at the receiver with the user being unaware of the separation. Instead of analog or digital mixing of the music or other non-speech audio (130, 136, 140, 146) with the speech audio (110, 116) to create a composite audio stream (110, 116, 130, 136, 140, 146), the streams are kept logically separate, and, thus, can be optimally compressed using existing technologies.
    • 一种压缩音频信号(110,116,130,136,140,​​146)的系统和方法,其同时包含语音(110,116),音乐(130,136,140,​​146)以及可能的其它音频,以减少 所需带宽或存储容量。 音频(110,116,130,136,140,​​146)作为同时但分开的语音音频流(110,116)和音乐(或其他非语音)音频(130,136,140,​​146)被传输,如 以及诸如视频(210,216),文本(120,220),计算机图形(230)等的其他流。通过将音乐(130,136,140,​​146)与语音(110,116)分离, ,每个可以最大程度地压缩。 通过同步这些流(110,116,130,136,140,​​146,210,216,220,230),可以在用户不知道分离的情况下在接收机处重新创建期望的组合。 代替将音乐或其他非语音音频(130,136,140,​​146)与语音音频(110,116)进行模拟或数字混合来创建复合音频流(110,116,130,136,140, 146),流在逻辑上保持分离,因此可以使用现有技术进行最佳压缩。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR EXTENDING THE RANGE OF XDSL SERVICES
    • 扩展XDSL服务范围的系统和方法
    • WO2002078269A1
    • 2002-10-03
    • PCT/US2002/007840
    • 2002-03-13
    • RAD DATA COMMUNICATIONS LTD.SILBERMAN, HugoEITANE, Tsvi, HenriSTEIN, Yaakov
    • SILBERMAN, HugoEITANE, Tsvi, HenriSTEIN, Yaakov
    • H04L12/28
    • H04L12/2878H04L12/2885H04Q11/00H04Q2213/13039H04Q2213/13094
    • A system and method for extending the distance that xDSL services are able to be provided to subscribers (310a-310e). A DSLAM (300) located at a Central Office (301) is connected to a general-purpose network, such as the Internet. The DSLAM (300) is additionally connected to a first fiber optic transceiver. The first fiber optic transceiver (302) is connected via a fiber optic link (316)to a second fiber optic transceiver (306) located proximate to the subscribers' premises, preferably in a street cabinet (305). Each subscriber premise's equipment (310a-310e) is connected to the broadband transceiver (306) via subscriber lines (308a-308e). Electrical signals to be transmitted between the Central Office (301) and the subscribers' premises are utilized to form a frequency division multiplexed signal. The frequency division multiplexed signal is used to modulate a light subcarrier for transmission across the fiber optic link (316). At the respective receiving transceiver, the frequency division multiplexed signal is reconverted to the electrical signals, which are then applied to the subscriber premises equipment or DSLAM (300) depending upon the direction of communication.
    • 一种用于扩展xDSL服务能够被提供给订户(310a-310e)的距离的系统和方法。 位于中心局(301)的DSLAM(300)连接到诸如因特网的通用网络。 DSLAM(300)另外连接到第一光纤收发器。 第一光纤收发器(302)经由光纤链路(316)连接到位于订户的房屋附近的优选在街道柜(305)中的第二光纤收发器(306)。 每个用户住宅的设备(310a-310e)经由用户线(308a-308e)连接到宽带收发器(306)。 在中心局(301)和用户房屋之间传送的电信号被用来形成频分复用信号。 频分多路复用信号用于调制用于通过光纤链路(316)传输的光副载波。 在相应的接收收发器处,频分复用信号被转换为电信号,然后根据通信方向将其应用于用户住宅设备或DSLAM(300)。