FAST ECHO GAIN CHANGE DETECTION
    1.
    发明申请
    FAST ECHO GAIN CHANGE DETECTION 有权
    快速ECHO增益变化检测

    公开(公告)号:US20120288084A1

    公开(公告)日:2012-11-15

    申请号:US13295385

    申请日:2011-11-14

    IPC分类号: H04M9/08

    CPC分类号: H04B3/23

    摘要: An apparatus generally having a first circuit and a second circuit is disclosed. The first circuit may be configured to synthesize a first vector by filtering a second vector based on a third vector. The second circuit may be configured to (i) generate a gain corresponding to a fourth vector, (ii) compare the gain to a plurality of thresholds and (iii) update the third vector as a function of the gain where the compare determines that the gain is not between the thresholds. The fourth vector may be received from a network as an echo of the second vector.

    摘要翻译: 公开了一种通常具有第一电路和第二电路的装置。 第一电路可以被配置为通过基于第三矢量对第二矢量进行滤波来合成第一矢量。 第二电路可以被配置为(i)生成与第四矢量相对应的增益,(ii)将增益与多个阈值进行比较,以及(iii)根据增益的函数更新第三矢量,其中比较确定 增益不在阈值之间。 第四矢量可以作为第二矢量的回波从网络接收。

    Acrylate composite barrier coating
    2.
    发明授权
    Acrylate composite barrier coating 失效
    丙烯酸酯复合阻挡涂层

    公开(公告)号:US06420003B2

    公开(公告)日:2002-07-16

    申请号:US09745083

    申请日:2000-12-20

    IPC分类号: B29D2200

    摘要: A thermoplastic container or packaging material is given low oxygen permeability by coating with a crosslinked acrylate layer and a layer of oxygen barrier material deposited over the acrylate layer. Another acrylate layer may be deposited over the oxygen barrier. The oxygen barrier is selected from the group consisting of silicon oxide, aluminum oxide and metal. The acrylate layer may be formed from a photopolymerizable polyfunctional acrylate that is sufficiently low viscosity to be sprayed on the substrate or applied by dipping. Alternatively, the acrylate layer is a polymerization product of an acrylate monomer which is evaporated in a vacuum, condensed on the substrate and polymerized by irradiation by ultraviolet or an electron beam. The surface of the thermoplastic substrate is prepared for deposition of the acrylate by either flame treating the surface of the substrate to heat it above its melting point without deforming the substrate to thereby smooth the surface, or by plasma treating the surface for enhancing adhesion of the acrylate. Chilling the substrate enhances deposition efficiency.

    摘要翻译: 热塑性容器或包装材料通过用交联的丙烯酸酯层和沉积在丙烯酸酯层上的氧阻隔材料层进行涂覆而被赋予低氧渗透性。 另外的丙烯酸酯层可以沉积在氧阻隔层上。 氧阻挡层选自氧化硅,氧化铝和金属。 丙烯酸酯层可以由可光聚合的多官能丙烯酸酯形成,其具有足够低的粘度以喷涂在基材上或通过浸渍施加。 或者,丙烯酸酯层是在真空中蒸发的丙烯酸酯单体的聚合产物,在基材上冷凝并通过紫外线或电子束的照射进行聚合。 制备热塑性基材的表面,通过对基材表面进行火焰处理以将其加热到熔点以上而不使基材变形,从而使表面光滑,或通过等离子体处理表面以提高粘合性 丙烯酸酯。 冷却衬底增强了沉积效率。

    High speed apparatus for forming capacitors
    4.
    发明授权
    High speed apparatus for forming capacitors 失效
    用于形成电容器的高速设备

    公开(公告)号:US5097800A

    公开(公告)日:1992-03-24

    申请号:US551645

    申请日:1990-07-10

    摘要: A high speed apparatus for forming capacitors includes a vacuum chamber in which is located a carrier defining a continuous surface configured to move at a rate of from about 150 feet per minute to about 600 feet per minute during the forming operation, a metal depositing device, a dielectric depositing device, and a radiation source. The metal depositing device is configured to deposit layers of metal onto the moving surface, and the dielectric depositing device includes (a) a device for atomizing a radiation-curable polyfunctional acrylic monomer to form liquid droplets of the monomer, (b) a heated surface on which the atomized monomer droplets impinge and are flash vaporized, and (c) device for thereafter condensing the flash-vaporized monomer on the metal layers to form a monomer coating on successive layers. The radiation source is positioned for curing successive monomer coatings after each such coating has been deposited, to thereby form a polymer dielectric layer. Apparatus are provided for controlling each of the devices so that metal is deposited, a monomer coating is deposited, and the monomer coating is cured to form the polymer dielectric layer before the continuous surface passes the devices again for successive metal layers, monomer coatings, and curings.

    摘要翻译: 用于形成电容器的高速装置包括真空室,其中定位有形成连续表面的载体,所述载体构造成在成形操作期间以约150英尺/分钟的速度移动至约600英尺/分钟;金属沉积装置, 介电沉积装置和辐射源。 金属沉积装置被配置为将金属层沉积到移动表面上,并且电介质沉积装置包括(a)用于雾化可辐射固化的多官能丙烯酸单体以形成单体的液滴的装置,(b)加热表面 其上雾化的单体液滴在其上喷射并闪蒸,和(c)此后将闪蒸汽化的单体在金属层上冷凝以在连续层上形成单体涂层的装置。 辐射源被定位用于在每个这样的涂层被沉积之后固化连续的单体涂层,从而形成聚合物介电层。 提供了用于控制每个器件以使得沉积金属,沉积单体涂层的装置,并且在连续表面再次穿过器件之前,将单体涂层固化以形成聚合物电介质层,用于连续的金属层,单体涂层和 治愈。

    Miniaturized monolithic multi-layer capacitor and apparatus and method
for making
    5.
    发明授权
    Miniaturized monolithic multi-layer capacitor and apparatus and method for making 失效
    微型单片多层电容器及其制造方法

    公开(公告)号:US5018048A

    公开(公告)日:1991-05-21

    申请号:US408471

    申请日:1989-09-15

    摘要: A monolithic multi-layer capacitor is disclosed having a central capacitively active area and two electrode joining sections separated from the active area by sloped sections. The dielectric layers are about 1 micron thick in the active area and taper gradually to zero thickness in the sloped sections. Electrode layers in the active area have a thickness in the range from 200 to 500 Angstroms and sufficient thickness throughout the sloped sections for adequate current carrying capacity. Various acrylates are used for the dielectric layers, the number of layers ranging from a few to many thousands.Apparatus and methods are disclosed for the fabrication of such capacitors on a high speed, production scale basis. Such employ techniques for the flash evaporation of highly reactive monomers of acrylate dielectric materials so as to form a gaseous stream of such materials. The gas stream is controllably directed to a deposition surface for condensation and subsequent curing by a field enhanced gas discharge electron beam source. The control of the dielectric gas stream is accomplished by means of adjacent gas streams of an inert gas directed to areas of the deposition surface where deposition of the electrode material is unwanted. Means are disclosed for the atomization of the monomers of the dielectric material in preparation for its flash evaporation.

    摘要翻译: 公开了一种单片多层电容器,其具有中心电容有源面积和两个电极接合部分,其通过倾斜部分与有源区域分离。 电介质层在有源区域中约为1微米厚,并且在倾斜部分中逐渐变细至零厚度。 有源区域中的电极层的厚度在200至500埃的范围内,并且在整个倾斜部分具有足够的厚度以具有足够的载流能力。 各种丙烯酸酯用于电介质层,层数从几到数千。 公开了用于以高速,生产规模为基础制造这种电容器的装置和方法。 这种采用技术用于快速蒸发丙烯酸酯介电材料的高反应性单体以形成这种材料的气流。 气流被可控地引导到沉积表面以进行冷凝,然后通过场强气体放电电子束源固化。 电介质气流的控制是通过相邻的惰性气体气流来实现的,该惰性气体指向沉积表面的区域,其中电极材料的沉积是不需要的。 公开了为准备其闪蒸而使介电材料的单体雾化的方法。

    Local loop test arrangement in an echo canceller based full duplex modem
    7.
    发明授权
    Local loop test arrangement in an echo canceller based full duplex modem 失效
    基于回波消除器的全双工调制解调器中的本地环路测试布置

    公开(公告)号:US4825459A

    公开(公告)日:1989-04-25

    申请号:US814673

    申请日:1985-12-30

    IPC分类号: H04B3/23 H04L1/24 H04B17/00

    CPC分类号: H04B3/23 H04L1/24

    摘要: In accordance with the present invention, local loop testing in an echo canceller based modem is provided in a manner in which proper operation of both the receiver and echo canceller can be assessed simultaneously. Specifically, the modem includes means for generating data and interfering symbol sequences and for applying the interfering sequence to both the echo canceller and the modem transmitter, while applying the data sequence only to either the transmitter or the echo canceller. During closed loop testing, the modem connection to the transmission line is opened, and a portion of the output of the modem transmitter is applied to the modem receiver via a leakage path through the hybrid. The received symbol is subtracted from the echo canceller output, resulting in application to the receiver of only a version of the data symbol sequence. Advanced knowledge of the characteristics of the data symbol sequence allows proper receiver operation to be verified.

    摘要翻译: 根据本发明,以可以同时评估接收机和回波消除器两者的适当操作的方式提供基于回波消除器的调制解调器中的本地环路测试。 具体地,调制解调器包括用于生成数据和干扰符号序列并用于将干扰序列应用于回波消除器和调制解调器发送器的装置,同时仅将数据序列应用于发射器或回波消除器。 在闭环测试期间,与传输线路的调制解调器连接打开,并且调制解调器发射机的输出的一部分经由混合器的泄漏路径被应用于调制解调器接收器。 从回波消除器输出中减去接收到的符号,导致只向数据符号序列的版本应用于接收器。 对数据符号序列特征的高级知识允许验证适当的接收机操作。

    Simultaneous transmission of speech and data over an analog channel
    8.
    发明授权
    Simultaneous transmission of speech and data over an analog channel 失效
    通过模拟通道同时传输语音和数据

    公开(公告)号:US4523311A

    公开(公告)日:1985-06-11

    申请号:US672155

    申请日:1984-11-16

    IPC分类号: H04J1/20 H04M11/06 H04J1/02

    CPC分类号: H04M11/062 H04J1/20

    摘要: The present invention relates to a technique for recovering each of an entire analog speech signal and a modulated data signal simultaneously received over a transmission channel such as a common analog telephone speech channel. In the received composite signal, the entire modulated data signal is multiplexed within the normal analog speech signal frequency band where the speech is present and its signal power density characteristic is at a low level. Separation of the speech and data signals at the receiver is effected by recovering the modulation carrier frequency and demodulating the received signal to recover the data signal. The data signal is then (a) remodulated with the recovered carrier, (b) modified to cancel phase jitter and frequency offset errors detected during the data demodulating process and (c) convolved with an arbitrary channel impulse response in an adaptive filter whose output signal is subtracted from the received composite data and speech signal to generate the recovered speech signal. To improve the recovered speech signal, a least mean square algorithm is used to update the arbitrary channel impulse response output signal of the adaptive filter.

    摘要翻译: 本发明涉及用于恢复通过诸如公共模拟电话语音信道的传输信道同时接收的整个模拟语音信号和调制数据信号中的每一个的技术。 在接收到的复合信号中,整个调制数据信号被多路复用在语音存在的正常模拟语音信号频带内,其信号功率密度特性处于低电平。 通过恢复调制载波频率并解调接收到的信号以恢复数据信号来实现接收机处的语音和数据信号的分离。 数据信号然后(a)与恢复的载波重新调制,(b)被修改以消除在数据解调处理期间检测到的相位抖动和频率偏移误差,以及(c)与自适应滤波器中的任意信道脉冲响应相结合,其中输出信号 从接收的复合数据和语音信号中减去以产生恢复的语音信号。 为了改善恢复的语音信号,使用最小均方算法来更新自适应滤波器的任意信道脉冲响应输出信号。

    Process for impregnating a capacitor with a non-halogenated impregnant
    9.
    发明授权
    Process for impregnating a capacitor with a non-halogenated impregnant 失效
    用非卤化浸渍剂浸渍电容器的方法

    公开(公告)号:US4190682A

    公开(公告)日:1980-02-26

    申请号:US949409

    申请日:1978-10-10

    申请人: David G. Shaw

    发明人: David G. Shaw

    IPC分类号: H01G4/22 B05D5/12 H01G4/04

    CPC分类号: H01G4/221

    摘要: A process for impregnating capacitors with a gas absorbing impregnant is disclosed including the steps of purefying a phthalate ester by adsorptive filtration and adding 5 to 30% by volume of an alkene having from 10 to less than 20 carbon atoms and 0.1 to 10% by volume of an epoxy stabilizer to the phthalate ester prior to impregnating the capacitor.

    摘要翻译: 公开了一种用吸气浸渍剂浸渍电容器的方法,包括以下步骤:通过吸附过滤纯化邻苯二甲酸酯,并加入5至30体积%的具有10至小于20个碳原子和0.1至10体积%的烯烃 的环氧树脂稳定剂加入邻苯二甲酸酯中。