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1. 发明授权

US4717907A Remote parameter monitoring system with location-specific indicators 失效
标题翻译：具有位置特定指标的远程参数监控系统
公开(公告)号：US4717907A
公开(公告)日：1988-01-05
申请号：US837961
申请日：1986-03-10
申请人： Stephen R. Troy
发明人： Stephen R. Troy
IPC分类号： G08C19/30 , G01M5/00 , B64C27/04
CPC分类号： G08C19/30
摘要： A remote parameter monitoring system utilizes a series of half-wave rectifier diodes in combination with a unique overlapping wiring arrangement to provide for location-specific detection of a parameter condition existing at a plurality of spaced locations. In one embodiment of the invention, the system is used for monitoring cracks in helicopter rotor blades and indicating to the crew in the cockpit both the fact of a cracked blade and the specific blade which is cracked. In such embodiment, the system includes a three-phase alternating current transformer whose primary windings are supplied by the helicopter's three-phase alternating current generators and whose secondary windings make up part of the wiring loops between the cockpit and the rotor blades. By controlling currents flowing in opposite directions in the wiring loops, the system allows for blade-specific crack detection of up to six rotor blades by means of only three wires between the rotor blade assembly and the cockpit area.
摘要翻译：远程参数监测系统利用一系列半波整流二极管与独特的重叠布线装置组合，以提供存在于多个间隔位置处的参数条件的位置特异性检测。在本发明的一个实施例中，该系统用于监测直升机转子叶片中的裂缝，并向驾驶舱的乘务员指示裂纹刀片和特定刀片破裂的事实。在这种实施例中，系统包括三相交流变压器，其初级绕组由直升机的三相交流发电机提供，其次级绕组构成驾驶舱和转子叶片之间的接线环路的一部分。通过控制布线回路中相反方向流动的电流，该系统允许通过仅在转子叶片组件和驾驶舱区域之间的三根线路来对多达六个转子叶片进行刀片特定的裂纹检测。

2. 发明授权

US4128835A Method and apparatus for measuring distance between an aircraft and a ground station 失效
标题翻译：用于测量飞机和地面站之间的距离的方法和装置
公开(公告)号：US4128835A
公开(公告)日：1978-12-05
申请号：US874480
申请日：1978-02-02
申请人： James L. Russell
发明人： James L. Russell
IPC分类号： G01S13/79 , G01S13/84 , G01S9/04 , G01S9/56
CPC分类号： G01S13/84 , G01S13/79
摘要： A distance measuring system is provided including a ground station transponder continuously transmitting a repeating pseudorandom coded bit pattern, and at least one aircraft interrogator receiving and locking onto the ground station signal. The aircraft interrogator transmits a coded interrogation signal in precise synchronism with an arbitrarily selected any one of the repetitive code words (bit patterns) that comprise the repeating pseudorandom coded bit pattern which are coded identically with the interrogation signal and waits for a reply. If the ground station receives the coded interrogation signal in synchronism with an identically coded word in its continuous transmission, it transmits a reply signal to the aircraft interrogator optionally encoded with synchronism error or interrogation steering information. If no reply is received by the aircraft interrogator, it transmits its next coded interrogation signal shifted by one or more bits relative to the arbitrarily selected received code word from the ground station. Successive interrogation signals are each shifted an additional predetermined number of bits until synchronism is attained and a reply signal is received. The number of bits of shifting performed by the aircraft needed for synchronization when combined with the number of bits representing the whole code word intervals elapsing between transmission of an interrogation and receipt of a reply represents the distance between the ground station and aircraft. The optionally encoded synchronism error and steering information is respectively utilized by the aircraft to more precisely calculate distance and alter its time of interrogation.
摘要翻译：提供了一种距离测量系统，包括地面站应答器连续地发送重复的伪随机编码比特模式，以及至少一个飞机询问器，接收并锁定到地面站信号上。飞机询问器以与询问信号相同的编码重复码元编码比特模式的任意一个重复码字（比特码型）任意一个进行精确同步发送编码询问信号，并等待回复。如果地面站在其连续传输中与相同编码的字同步地接收到编码的询问信号，则它向飞机询问器发送应答信号，该信号可选地用同步错误或询问指导信息进行编码。如果飞机询问器没有接收到应答，则它发送其相对于来自地面站的任意选择的接收码字移位一个或多个比特的下一个编码询问信号。连续询问信号各自移位额外的预定数量的位，直到获得同步并且接收到应答信号。当与询问的发送和回复的接收之间经过的表示整个码字间隔的位的数量组合时，由同步所需的飞机执行的位移的位数表示地面站和飞行器之间的距离。航空器分别利用可选地编码的同步误差和驾驶信息来更精确地计算距离并改变其询问时间。

3. 发明授权

US4527275A Correlation data communications system 失效
标题翻译：相关数据通信系统
公开(公告)号：US4527275A
公开(公告)日：1985-07-02
申请号：US390702
申请日：1982-06-21
申请人： James L. Russell
发明人： James L. Russell
IPC分类号： H04B7/01 , H04L7/04 , H04L23/02 , H04L27/20 , H04L27/227 , H04K1/04 , H04L27/10
CPC分类号： H04L7/042 , H04B7/01 , H04L23/02 , H04L27/2014 , H04L27/2278 , H04L7/043
摘要： A digital data communications system employing correlation detection is disclosed as comprising an encoding system which encodes successive k-bit data words from a data source into predetermined start-stop phases of either a 2.sup.k -bit repeating pseudorandom binary code or a 2.sup.k -l bit repeating pseudorandom binary code and a decoding system which receives the stream of ones and zeros in the pseudorandom binary code from the encoder and reproduces therefrom, using a correlation detector and associated circuitry, a replica of the original k-bit data word from the data source. Undesirable signal variations in the output of the correlation detector caused by a frequency translation error introduced in the transmission and reception of the pseudorandom binary code is eliminated by a feedback system which detects the effects of the frequency translation error at the output of the correlation detector and applies a frequency correction signal component to the pseudorandom binary code which offsets the frequency translation error prior to introduction of the pseudorandom binary code to the correlation detector. In lieu of the feedback system, a frequency translation error can also be minimized through the use of minimum shift keying (MSK) encoding and decoding apparatus respectively provided in the encoding and decoding systems, upstream of the correlation detector.
摘要翻译：公开了一种使用相关检测的数字数据通信系统，其包括将来自数据源的连续k位数据字编码为2k位重复伪随机二进制码或2k-1位重复的预定起始停止相位的编码系统伪随机二进制码和解码系统，其从编码器接收伪随机二进制码中的1和0的流，并使用相关检测器和相关联的电路从数据源再现原始k位数据字的副本。通过在相关检测器的输出端检测频率转换误差的影响的反馈系统来消除由在伪随机二进制码的发送和接收中引入的频率转换误差引起的相关检测器的输出中不期望的信号变化，将频率校正信号分量应用于伪随机二进制码，其在将伪随机二进制码引入相关检测器之前抵消频率转换误差。代替反馈系统，也可以通过使用分别在相关检测器的上游的编码和解码系统中提供的最小移位键控（MSK）编码和解码装置来最小化频率转换误差。

4. 发明授权

US5499187A Voltage sensing, autoselecting aircraft power supply interface 失效
标题翻译：电压感应，自动选择飞机电源接口
公开(公告)号：US5499187A
公开(公告)日：1996-03-12
申请号：US415502
申请日：1995-04-03
申请人： Gary B. Smith
发明人： Gary B. Smith
IPC分类号： H02H11/00 , H02M1/10 , H01H35/00
CPC分类号： H02M1/10 , H02H11/007 , Y10T307/858
摘要： An autoselecting interface for selectively connecting an input aircraft power source to one of two outputs according to a sensed voltage of the input aircraft power source comprises a pair of input terminals for connection to aircraft power sources; first and second pairs of output terminals; a first voltage sensor connected to the input terminals for producing a first trigger output when an AC aircraft voltage is present at the input terminals; a second voltage sensor connected to the input terminals for producing a second trigger output when a DC aircraft voltage is present at the input terminals; a first switch responsive to the first trigger output for electrically connecting the pair of input terminals to the first pair of output terminals; a second switch responsive to the second trigger output for electrically connecting the pair of input terminals to the second pair of output terminals; and an override circuit for disabling the second voltage sensor from producing the second trigger output when an AC aircraft voltage is present at the input terminals.
摘要翻译：根据所输入的飞行器电源的感测电压，选择性地将输入的飞行器电源连接到两个输出中的一个的自动选择接口包括用于连接到飞行器电源的一对输入端子; 第一和第二对输出端子; 连接到所述输入端子的第一电压传感器，用于当所述输入端子处存在AC飞机电压时产生第一触发输出; 连接到所述输入端的第二电压传感器，用于当所述输入端子处存在DC飞机电压时产生第二触发输出; 响应于所述第一触发输出的第一开关，用于将所述一对输入端子电连接到所述第一对输出端子; 响应于所述第二触发输出的第二开关，用于将所述一对输入端子电连接到所述第二对输出端子; 以及用于当在输入端子处存在AC飞机电压时禁止第二电压传感器产生第二触发输出的超控电路。

5. 发明授权

US5335363A Signal interference reduction device and method 失效
标题翻译：信号干扰减少装置及方法
公开(公告)号：US5335363A
公开(公告)日：1994-08-02
申请号：US814470
申请日：1991-12-30
申请人： Nicholas J. Basciano
发明人： Nicholas J. Basciano
IPC分类号： H04B1/12 , H04B1/40 , H04B15/02 , H04B1/38
CPC分类号： H04B1/123 , H04B1/40 , H04B15/02
摘要： This invention provides for separating undesired signals from spectra of desired signals in a communication system. Specifically, a communication system for transmitting and receiving spectra of signals having undesired signals and desired signals comprising: a transceiver system; a TEE-junction coupled to the transceiver system and having first and second ports, the undesired and desired signals being separated at the TEE-junction; an Off-line signal interference reduction device coupled to the first port, the Off-line signal interference reduction device receiving the undesired signals from the first port; and an In-line signal interference reduction device coupled to the second port and an antenna system. The Off-line signal interference reduction device connected to the TEE-junction of the communication system for shunting undesired signals included: a SIRD switch coupled to the TEE-junction for selectively coupling the Off-line signal interference reduction device; a main load coupled to a ground for dissipating the undesired signals; and a filtering system coupled between the SIRD switch and the main load. The In-line interference reduction device comprises: a first SIRD switch having first and second terminals and coupled to the TEE-junction; a second SIRD switch having first and second terminals and coupled to the antenna system; a filtering system having a plurality of filtering channels connected between the first and second SIRD switches; and a signal line connected between the first terminals of the first and second SIRD switches, wherein the filtering system is connected between the second terminals of the first and second SIRD switches, the SIRD switches for selectively bypassing the filtering system by coupling the TEE-junction and the antenna through the signal line.
摘要翻译：本发明提供了在通信系统中从期望信号的频谱中分离不需要的信号。具体地，涉及用于发送和接收具有不期望信号和期望信号的信号的频谱的通信系统，包括：收发器系统; 耦合到所述收发器系统并具有第一和第二端口的TEE结，所述不期望的和期望的信号在TEE结处被分离; 耦合到第一端口的离线信号干扰减少装置，离线信号干扰减少装置从第一端口接收不期望的信号; 以及耦合到第二端口和天线系统的在线信号干扰减少装置。连接到通信系统的TEE结的用于分流不需要的信号的离线信号干扰降低装置包括：耦合到TEE结的SIRD开关，用于选择性地耦合离线信号干扰减少装置; 耦合到接地以耗散不期望信号的主负载; 以及耦合在SIRD开关和主负载之间的滤波系统。在线干扰减少装置包括：具有第一和第二端子并耦合到TEE结的第一SIRD开关; 第二SIRD开关，具有第一和第二端子并耦合到所述天线系统; 滤波系统，具有连接在第一和第二SIRD开关之间的多个滤波通道; 以及连接在第一和第二SIRD开关的第一端子之间的信号线，其中滤波系统连接在第一和第二SIRD开关的第二端子之间，SIRD开关用于选择性地旁路滤波系统，通过耦合TEE结天线通过信号线。

6. 发明授权

US5130936A Method and apparatus for diagnostic testing including a neural network for determining testing sufficiency 失效
标题翻译：用于诊断测试的诊断测试的方法和设备，包括用于确定测试可靠性的神经网络
公开(公告)号：US5130936A
公开(公告)日：1992-07-14
申请号：US582383
申请日：1990-09-14
申请人： John W. Sheppard , William R. Simpson , Jerry L. Graham
发明人： John W. Sheppard , William R. Simpson , Jerry L. Graham
IPC分类号： G06F11/25
CPC分类号： G06F11/2257 , Y10S128/925 , Y10S706/911
摘要： A diagnostic tester evaluates at least one inputted test signal corresponding to test data relating to at least one predetermined parameter of a system being tested, to produce first and second candidate signals corresponding respectively to first and second possible diagnoses of the condition of the system respectively having the first and second highest levels of certainty of being valid, and first and second certainty signals corresponding respectively to values of the first and second highest levels of certainty. The diagnostic tester further determines the sufficiency of the testing that has taken place responsive to the first and second certainty signals, and produces an output signal indicative of whether sufficient test data has been evaluated to declare a diagnosis. Preferably, an uncertainty signal corresponding to a measure of the uncertainty that the evaluated at least one test signal can be validly evaluated is also produced and used to produce the output signal.

7. 发明授权

US4477912A Correlation data communications system 失效
标题翻译：相关数据通信系统
公开(公告)号：US4477912A
公开(公告)日：1984-10-16
申请号：US348425
申请日：1982-02-12
申请人： James L. Russell
发明人： James L. Russell
IPC分类号： H04L7/04 , H04L23/02 , H04K1/04
CPC分类号： H04L7/042 , H04L23/02 , H04L7/043
摘要： A digital data communications system employing correlation detection is disclosed as comprising an encoding system which encodes successive k-bit data words from a data source into predetermined start-stop phases of either a 2.sup.k -bit repeating pseudorandom binary code or a 2.sup.k -1 bit repeating pseudorandom binary code and a decoding system which receives the stream of ones and zeros in the pseudorandom binary code from the encoder and reproduces therefrom, using a correlation detector and associated circuitry, a replica of the original k-bit data word from the data source. Undesirable signal variations in the output of the correlation detector caused by a frequency translation error introduced in the transmission and reception of the pseudorandom binary code is eliminated by a feedback system which detects the effects of the frequency translation error at the output of the correlation detector and applies a frequency correction signal component to the pseudorandom binary code which offsets the frequency translation error prior to introduction of the pseudorandom binary code to the correlation detector.
摘要翻译：公开了一种使用相关检测的数字数据通信系统，其包括编码系统，其将来自数据源的连续k比特数据字编码为2k位重复伪随机二进制码或2k-1比特重复的预定起始停止相位伪随机二进制码和解码系统，其从编码器接收伪随机二进制码中的1和0的流，并使用相关检测器和相关联的电路从数据源再现原始k位数据字的副本。通过在相关检测器的输出端检测频率转换误差的影响的反馈系统来消除由在伪随机二进制码的发送和接收中引入的频率转换误差引起的相关检测器的输出中不期望的信号变化，将频率校正信号分量应用于伪随机二进制码，其在将伪随机二进制码引入相关检测器之前抵消频率转换误差。

8. 发明授权

US4464141A Shaft coupling 失效
标题翻译：轴联轴器
公开(公告)号：US4464141A
公开(公告)日：1984-08-07
申请号：US373639
申请日：1982-04-30
申请人： Harry W. Brown
发明人： Harry W. Brown
IPC分类号： F16D3/18 , F16D3/52
CPC分类号： F16D3/185
摘要： A shaft coupling system for accommodating axial displacement and angular misalignment between two shafts. A hollow bushing is force fit into the hollow end of a first shaft. The bushing is provided with a plurality of part-circular recesses on its inner surface. A spline adapter is slip-fit onto a second shaft. The spline adapter cooperates with the bushing, and has spline teeth extending from its outer surface which are substantially boat-shaped. The shape of the teeth allows for extra clearance at the ends of the coupling system, which is necessary to accommodate angular misalignment. The bushing is made of readily replaceable and relatively inexpensive plastic materials.
摘要翻译：用于容纳两个轴之间的轴向位移和角度偏移的轴联接系统。中空衬套被强制配合到第一轴的中空端部。衬套在其内表面上设置有多个部分圆形的凹部。花键适配器滑配到第二个轴上。花键适配器与衬套配合，并且具有从其外表面延伸的花键齿，其基本上是舟形的。齿的形状允许在联接系统的端部具有额外的间隙，这是适应角度偏移所必需的。衬套由容易替换和相对便宜的塑料材料制成。

9. 发明授权

US4357137A Shaft coupling 失效
标题翻译：轴联轴器
公开(公告)号：US4357137A
公开(公告)日：1982-11-02
申请号：US179006
申请日：1980-08-18
申请人： Harry W. Brown
发明人： Harry W. Brown
IPC分类号： F16D1/06 , F16D3/06 , F16D3/50 , F16D3/52
CPC分类号： F16D3/50 , F16D1/06 , F16D3/06 , F16D2001/062 , F16D2001/103
摘要： A long wearing shaft coupling is comprised of metallic male and female members, and a plastic insert. The plastic insert is interference fitted into the female member, and the male member is slip fitted into the insert. The male member is provided with a number of part-circular shaped in transverse cross-section, radially outwardly extending projections which correspond to an equal number of similarly shaped and situated recesses in the insert. The plastic insert transmits the load between the male member and the female member, and is readily replaceable. The projections can be of a slightly smaller radius than the recesses, to allow for misalignments in the shaft. The slip fit nature allows for easy disassembling of the coupling.
摘要翻译：长时间佩戴的联轴器由金属公和母构件和塑料插入件组成。塑料插入件干涉配合到阴构件中，并且阳构件滑动插入插入件中。阳构件设置有多个部分圆形横截面，径向向外延伸的突起，其对应于插入件中相同数量的类似形状和定位的凹部。塑料插件将负载传递到阳构件和阴构件之间，并且易于更换。突起可以具有比凹部略小的半径，以允许轴中的未对准。滑动配合性允许容易地拆卸联轴器。

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