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31. 发明授权

US4837830A Multiple parameter speaker recognition system and methods 失效
标题翻译：多参数扬声器识别系统及方法
公开(公告)号：US4837830A
公开(公告)日：1989-06-06
申请号：US3971
申请日：1987-01-16
申请人： Edwin H. Wrench, Jr. , Robert Wohlford , Joe Naylor
发明人： Edwin H. Wrench, Jr. , Robert Wohlford , Joe Naylor
IPC分类号： G10L17/00
CPC分类号： G10L17/00
摘要： An apparatus operates to identify the speech signal of an unknown speaker as one of a finite number of speakers. Each speaker is modeled and recognized with any example of their speech. The input to the system is analog speech and the output is a list of scores that measure how similar the input speaker is to each of the speakers whose models are stored in the system. The system includes front end processing means which is responsive to the speech signal to provide digitized samples of the speech signal at an output which are stored in a memory. The stored digitized samples are then retrieved and divided into frames. The frames are processed to provide a series of speech parameters indicative of the nature of the speech content in each of the frames. The processor for producing the speech parameters is coupled to either a speaker modeling means, whereby a model for each speaker is provided and consequently stored, or a speaker recognition mode, whereby the speech parameters are again processed with current parameters and compared with the stored parameters during each speech frame. The comparison is accomplished over a predetermined number of frames whereby a favorable comparison is indicative of a known speaker for which a model is stored.
摘要翻译：一种装置用于将未知扬声器的语音信号识别为有限数量的扬声器之一。每个演讲者都以其演讲的任何例子进行建模和认可。系统的输入是模拟语音，输出是测量输入扬声器与模型存储在系统中的每个扬声器的相似程度的分数列表。该系统包括响应于该语音信号的前端处理装置，以在存储在存储器中的输出处提供语音信号的数字化采样。然后检索存储的数字化样本并将其分成帧。帧被处理以提供指示每个帧中的语音内容的性质的一系列语音参数。用于产生语音参数的处理器耦合到扬声器建模装置，由此提供并因此存储每个说话者的模型，或者说话者识别模式，由此语音参数再次用当前参数处理并与存储的参数进行比较在每个语音帧。比较在预定数量的帧上实现，由此有利的比较指示存储模型的已知扬声器。

32. 发明授权

US4837721A Digital divider with integer and fractional division capability 失效
$Digital divider with integer and fractional division capability$
标题翻译：具有整数和分数除法功能的数字分频器
公开(公告)号：US4837721A
公开(公告)日：1989-06-06
申请号：US880405
申请日：1986-06-30
申请人： Philip D. Carmichael , Thomas E. Finley
发明人： Philip D. Carmichael , Thomas E. Finley
IPC分类号： G06F7/62 , H03K23/66 , H03K23/68
CPC分类号： G06F7/62 , H03K23/662 , H03K23/68
摘要： A digital divider with both integral and fractional division capabilities is provided by utilization of a counter and one decoder to trigger phase reversal and a second decoder to trigger short-cycling of the counter. The first decoder provides phase reversal to cause extra half pulses during the period established by the second decoder to thus create the fractional count needed for fractional division. A control input is included to select either whole number division or fractional division.
摘要翻译：通过使用计数器和一个解码器来触发相位反转来提供具有积分和分数除法功能的数字除法器，以及第二解码器来触发计数器的短循环。第一解码器在由第二解码器建立的周期期间提供相位反转以产生额外的半脉冲，从而创建分数除法所需的分数计数。包括一个控制输入以选择整数或分数除法。

33. 发明授权

US4814836A FET photoconductor with a heterojunction in the channel 失效
标题翻译： FET光电导体在通道中具有异质结
公开(公告)号：US4814836A
公开(公告)日：1989-03-21
申请号：US842104
申请日：1986-03-20
申请人： George H. B. Thompson
发明人： George H. B. Thompson
IPC分类号： H01L31/0248 , H01L31/10 , H01L31/112 , H01L29/80 , H01L27/14 , H01L29/161
CPC分类号： H01L31/1129
摘要： A photoconductor comprising an optically sensitive FET in which an abrupt heterojunction (18) is inserted in the channel (11) at a certain distance from the gate contact (16). This provides a potential barrier (17, FIG. 4) in the valence band that accumulates minority carriers (carriers of the lower mobility type) and controls their release. A gate bias resistor which is conventionally used in a receiver circuit including the FET is no longer required, instead the potential barrier height determines the time constant and a response comparable in length with an input optical pulse is achieved. This overcomes the problems of integrated manufacture, and slow response, associated with the large value of the bias resistor which is needed to reduce noise.
摘要翻译：一种光电导体，包括光敏FET，其中突出异质结（18）以与栅极触点（16）一定距离插入沟道（11）中。这提供了在价带中累积少量载流子（较低迁移率型载流子）并控制其释放的势垒（17，图4）。常规用于包括FET的接收器电路中的栅极偏置电阻器不再需要，而是取决于势垒高度确定时间常数，并且实现与输入光脉冲长度相当的响应。这克服了降低噪声所需的偏置电阻值大的集成制造和慢响应的问题。

34. 发明授权

US4803490A Horizon stabilized antenna beam for shipboard radar 失效
标题翻译：用于船载雷达的天线稳定天线波束
公开(公告)号：US4803490A
公开(公告)日：1989-02-07
申请号：US665275
申请日：1984-10-26
申请人： Bradford E. Kruger
发明人： Bradford E. Kruger
IPC分类号： H01Q1/18 , G01S13/46 , H01Q1/34 , H01Q3/46
CPC分类号： H01Q1/185
摘要： A shipboard search radar in which an antenna beam is stepped up and down in elevation to keep the beam pointed approximately toward the horizon even though the ship may be rolling and/or pitching.

35. 发明授权

US4782299A Methods of arc and corona monitoring for high voltage generators 失效
标题翻译：高压发电机电弧和电晕监测方法
公开(公告)号：US4782299A
公开(公告)日：1988-11-01
申请号：US23363
申请日：1987-03-09
申请人： Michael A. Argentieri
发明人： Michael A. Argentieri
IPC分类号： G01R31/12
CPC分类号： G01R31/1218
摘要： There is disclosed a method for determining the location of an arc or corona as occurring in a high voltage power supply. The technique utilizes sheets of sensitive photographic film which are placed between printed circuit boards of the supply or between high voltage components and the metallic chassis walls of the power supply. During supply operation if an arc or corona occurs the film becomes exposed. The amount of exposure is determinative of the magnitude of the arc as well as indicative of the location of the arc or corona discharge which location and magnitude is determined by developing the film after supply operation. In this manner a comparative analysis of the amount of corona or arc as a function of time can be made by comparing the film density after photographic chemical development. The technique enables one to, therefore, accurately determine not only the magnitude of the arc or corona discharge but the exact location of the same.
摘要翻译：公开了一种用于确定在高压电源中发生的电弧或电晕的位置的方法。该技术使用放置在电源的印刷电路板之间或高压部件和电源的金属底盘壁之间的敏感摄影胶片。在供电操作期间，如果发生电弧或电晕，则电影曝光。曝光量决定了电弧的大小以及电弧或电晕放电的位置，该位置和幅度是通过在供电操作之后开发薄膜来确定的。以这种方式，可以通过比较摄影化学显影后的膜密度来进行电晕或弧的量作为时间的函数的比较分析。因此，该技术不仅可以精确地确定电弧或电晕放电的大小，而且精确地确定其位置。

36. 发明授权

US4781426A Optical fiber collimator/switch including liquid crystal polarizing material 失效
标题翻译：光纤准直器/开关包括液晶偏振材料
公开(公告)号：US4781426A
公开(公告)日：1988-11-01
申请号：US913874
申请日：1986-09-30
申请人： Anthony P. Baker
发明人： Anthony P. Baker
IPC分类号： G02B6/28 , G02B6/32 , G02F1/1333 , G02F1/13
CPC分类号： G02F1/1326 , G02B6/2817 , G02B6/32
摘要： A collimator includes a transparent base member defined by a planar surface and a spherical reflecting surface and includes an opening therein whereby an optical fiber may be terminated in the focal plane of the spherical reflecting surface.
摘要翻译：准直器包括由平面表面和球面反射表面限定的透明基底构件，并且在其中包括开口，由此光纤可以端接在球面反射表面的焦平面中。

37. 发明授权

US4736390A Zero IF radio receiver apparatus 失效
标题翻译：零IF无线电接收设备
公开(公告)号：US4736390A
公开(公告)日：1988-04-05
申请号：US919106
申请日：1986-10-15
申请人： Charles R. Ward , Ning H. Lu
发明人： Charles R. Ward , Ning H. Lu
IPC分类号： H03D1/22 , H04B1/30 , H03K9/02
CPC分类号： H03D1/22 , H04B1/30
摘要： There is described a zero IF receiver which affords to reduce offsets normally associated with quadrature mixers employed in such receivers. In order to reduce the effect of such offsets the local oscillator signal is modulated with a balanced pseudo-random phase code signal. This signal is then stripped off by means of additional mixers, one for each of the quadrature channels. The effect of the pseudo-random phase code signal is to spread the spectrum which is associated with the offsets so that the receiver can now respond to desired signals with a minimum of interference.
摘要翻译：描述了一种零IF接收机，其提供通常与在这样的接收机中使用的正交混频器相关联的偏移。为了减少这种偏移的影响，本地振荡器信号用平衡伪随机相位码信号进行调制。然后通过附加的混频器剥离该信号，每个正交通道一个。伪随机相位码信号的效果是扩展与偏移相关联的频谱，使得接收机现在可以以最小的干扰来响应期望的信号。

38. 发明授权

US4709300A Jumper for a semiconductor assembly 失效
标题翻译：半导体组件的跳线
公开(公告)号：US4709300A
公开(公告)日：1987-11-24
申请号：US859962
申请日：1986-05-05
申请人： Richard C. Landis
发明人： Richard C. Landis
IPC分类号： H01L21/00 , H01L25/065 , H01R31/00 , H01R9/00
CPC分类号： H01L21/67138 , H01L25/0657 , H01R31/00 , H01L2225/06555 , H01L2225/06579 , H01L2225/06582 , H01L2924/0002
摘要： A jumper for interconnecting a plurality of wafer scale assemblies includes pair of grooves proximate the bending points thereof to relieve stresses introduced by bending forces.
摘要翻译：用于互连多个晶片级组件的跳线包括靠近其弯曲点的一对凹槽以减轻由弯曲力引入的应力。

39. 发明授权

US4704613A Radar ranging system 失效
标题翻译：雷达测距系统
公开(公告)号：US4704613A
公开(公告)日：1987-11-03
申请号：US660186
申请日：1984-10-12
申请人： Damian F. Albanese , Kanji F. Sayano
发明人： Damian F. Albanese , Kanji F. Sayano
IPC分类号： G01S11/10 , G01S13/00 , G01S3/02
CPC分类号： G01S11/10 , G01S13/003
摘要： A system for determining the range R of a stationary emitter on the ground from an airborne bistatic radar as a function of velocity V, direction .beta., antenna spacing d, wavelength .lambda. and rate of change of phase with respect to time .theta. is discussed herein: ##EQU1##
摘要翻译：本文讨论了一种用于确定作为速度V，方向β，天线间距d，波长λ和相位相对于时间θ的变化率的函数的来自空中双基地雷达的地面上固定发射器的距离R的系统。

40. 发明授权

US4679210A Soft-limited digital pulse compressor 失效
标题翻译：软限数字脉冲压缩机
公开(公告)号：US4679210A
公开(公告)日：1987-07-07
申请号：US756480
申请日：1985-07-18
申请人： Devdas D. Rathi
发明人： Devdas D. Rathi
IPC分类号： G01S13/28 , H03M7/30 , G06F15/34
CPC分类号： G01S13/288
摘要： A circuit is provided for correlating both the phase and amplitude of received radar signals with the phase of a transmitted binary reference phase code, which enables implementation by off-the-shelf hardware. The received signal is demodulated and quadrature detected, and each segment of small duration of the received signal is converted to a three-bit data code word, with each data word defining both the phase and the amplitude of the demodulated received signal. Each bit of the same significance (e.g., most significant bit or least significant bit) of a series of data words is delivered to a different one of a group of one-bit correlators. Each correlator correlates the series of bits of the same significance from a sequence of data words, with the bits of the binary reference phase code. The outputs of the correlators whose bits represent the amplitude of the received signal, are multiplied according to the significance or position of the bit, and the products are added.
摘要翻译：提供电路用于将接收到的雷达信号的相位和幅度与传输的二进制参考相位代码的相位相关联，这使得能够由现成的硬件实现。接收到的信号被解调并正交检测，并且接收信号的小持续时间的每个段被转换成三位数据码字，每个数据字定义解调的接收信号的相位和幅度。一系列数据字的相同重要性（例如，最高有效位或最低有效位）的每个位被递送到一比特相关器组中的不同的一个。每个相关器将来自数据字序列的相同重要性的一系列比特与二进制参考相位码的比特相关联。其比特表示接收信号的幅度的相关器的输出根据比特的重要性或位置相乘，并且产品被相加。

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