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公开(公告)号:US3421149A
公开(公告)日:1969-01-07
申请号:US3421149D
申请日:1966-04-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: KRETZMER ERNEST R , MECKLENBURG PAUL , RICE DONALD W , RYAN WILLIAM
CPC classification number: G11C19/10
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公开(公告)号:US3699516A
公开(公告)日:1972-10-17
申请号:US3699516D
申请日:1971-01-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: MECKLENBURG PAUL
CPC classification number: H04L1/0059 , H03M13/05
Abstract: Apparatus for providing error detection and correction in data transmission systems includes a plurality of exclusive-OR circuits and delay registers. Switches responsive to control circuitry selectively apply data bits, as they are generated, to the exclusive-OR circuits and delay registers which, in turn, generate a number of partially completed check bits. As the check bits are completed in the encoder, they are inserted in the data stream. Check bits similarly generated in a decoder are, compared with the received check bits and the results of this comparison used to locate errors in the data stream. Error correction circuitry then corrects the indicated errors.
Abstract translation: 用于在数据传输系统中提供错误检测和校正的装置包括多个异或电路和延迟寄存器。 响应于控制电路的开关选择性地将数据位应用于异或电路和延迟寄存器,这些异或电路和延迟寄存器又产生多个部分完成的校验位。 当校验位在编码器中完成时,它们被插入到数据流中。 与接收到的校验位和用于定位数据流中的错误的该比较的结果相比较,在解码器中类似地生成的校验位相比。 然后纠错电路校正指示的错误。
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公开(公告)号:US3509365A
公开(公告)日:1970-04-28
申请号:US3509365D
申请日:1966-12-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: MECKLENBURG PAUL
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公开(公告)号:US3462749A
公开(公告)日:1969-08-19
申请号:US3462749D
申请日:1966-03-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: MECKLENBURG PAUL , YOUNG LAWRENCE H
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