公开(公告)号：US5745479A

公开(公告)日：1998-04-28

申请号：US394378

申请日：1995-02-24

申请人： Lawrence M. Burns ,  Scott Mitchell ,  Bruce Kendall

发明人： Lawrence M. Burns ,  Scott Mitchell ,  Bruce Kendall

IPC分类号： H04L1/00 ,  H04B17/00

CPC分类号： H04L1/0083

摘要： An apparatus for detecting errors in a wireless communication channel comprises a receiver which receives a data stream from the wireless communication channel, a signal strength indication circuit coupled with the receiver which indicates signal strength for a received data stream, and processing resources coupled to the signal strength indication circuit which monitors the received data signal strength to detect anomalies in the strength of the received data stream, typical of erroneous data. Also, the system includes a signal phase monitoring circuit coupled with the receiver. This circuit indicates phase of the received data stream. Processing resources coupled with the signal phase monitoring circuit, monitor the received data stream phase to detect anomalies in phase of the received data stream typical of erroneous data. In addition, the data stream will include data packets having error detection codes imbedded within the data packets. Processing resources coupled with the receiver are responsive to the error detection codes to detect errors in the data packets. Thus, an error detection system based on monitoring the amplitude, and the phase of a received signal, combined with digital CRC detection techniques provides an efficient error detection system, capable of detecting interference early in transmission, allowing more rapid recovery in retries.

摘要翻译： 用于检测无线通信信道中的错误的装置包括接收来自无线通信信道的数据流的接收机，与接收机耦合的信号强度指示电路，其指示接收到的数据流的信号强度，以及处理与该信号相耦合的资源 强度指示电路，其监视接收的数据信号强度，以检测接收数据流的强度的异常，这是典型的错误数据。 而且，该系统包括与接收器耦合的信号相位监控电路。 该电路指示接收的数据流的相位。 处理与信号相位监控电路相结合的资源，监视接收到的数据流相位，以检测错误数据典型的接收数据流的相位异常。 此外，数据流将包括具有嵌入数据分组内的错误检测码的数据分组。 与接收器耦合的处理资源响应于错误检测码来检测数据分组中的错误。 因此，结合数字CRC检测技术的基于监测振幅和接收信号的相位的误差检测系统提供了能够在传输早期检测干扰的有效的误差检测系统，从而允许更快的恢复恢复。

公开(公告)号：US5545841A

公开(公告)日：1996-08-13

申请号：US314024

申请日：1994-09-28

申请人： William W. Wilfinger ,  Bruce Kendall

发明人： William W. Wilfinger ,  Bruce Kendall

IPC分类号： B01L1/02 ,  B64G1/22 ,  H05K5/06

CPC分类号： B01L1/02 ,  B64G1/22

摘要： A seamless, light weight container that provides two levels of liquid and gaseous containment. The container has removable covers that have a double seal which allows confirmation of seal integrity prior to shipment by applying a vacuum or pressure to the internal space between the inner and outer seals. This close-out vacuum or pressure test can be completed within minutes and it provides certification that the container seals meet design criteria for quick turn-around in spacecraft environments.

摘要翻译： 一个无缝，重量轻的容器，提供两级液体和气体收容。 容器具有可拆卸的盖，其具有双重密封，其允许通过对内密封件和外密封件之间的内部空间施加真空或压力来确认在出货之前的密封件完整性。 这种关闭的真空或压力测试可以在几分钟内完成，并提供容器密封件符合设计标准的认证，以便在航天器环境中快速翻转。