JPS4928208A - - Google Patents
Info
- Publication number
- JPS4928208A JPS4928208A JP48037905A JP3790573A JPS4928208A JP S4928208 A JPS4928208 A JP S4928208A JP 48037905 A JP48037905 A JP 48037905A JP 3790573 A JP3790573 A JP 3790573A JP S4928208 A JPS4928208 A JP S4928208A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/13—Linear codes
- H03M13/17—Burst error correction, e.g. error trapping, Fire codes
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25497572A | 1972-05-19 | 1972-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4928208A true JPS4928208A (en:Method) | 1974-03-13 |
| JPS5123843B2 JPS5123843B2 (en:Method) | 1976-07-20 |
Family
ID=22966309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48037905A Expired JPS5123843B2 (en:Method) | 1972-05-19 | 1973-04-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3775746A (en:Method) |
| JP (1) | JPS5123843B2 (en:Method) |
| CA (1) | CA984513A (en:Method) |
| DE (1) | DE2320422C2 (en:Method) |
| FR (1) | FR2185901B1 (en:Method) |
| GB (1) | GB1380868A (en:Method) |
| IT (1) | IT987427B (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977490A (ja) * | 1983-08-22 | 1984-05-02 | キヤノン株式会社 | 不揮発性表示手段付電子機器 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1500232A (en) * | 1974-07-04 | 1978-02-08 | Marconi Co Ltd | Digital data signal transmission arrangements |
| JPS6052509B2 (ja) * | 1977-05-16 | 1985-11-19 | ソニー株式会社 | デジタル信号伝送方法 |
| JPS55115753A (en) * | 1979-02-27 | 1980-09-05 | Sony Corp | Pcm signal transmission method |
| US4276647A (en) * | 1979-08-02 | 1981-06-30 | Xerox Corporation | High speed Hamming code circuit and method for the correction of error bursts |
| US4276646A (en) * | 1979-11-05 | 1981-06-30 | Texas Instruments Incorporated | Method and apparatus for detecting errors in a data set |
| US4559625A (en) * | 1983-07-28 | 1985-12-17 | Cyclotomics, Inc. | Interleavers for digital communications |
| DE3345777A1 (de) * | 1983-12-17 | 1985-06-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Anordnung zur verbesserten paritaetszaehlung |
| KR930009534B1 (ko) * | 1984-07-21 | 1993-10-06 | 소니 가부시끼가이샤 | 광 카드의 기록 재생장치 |
| US4979173A (en) * | 1987-09-21 | 1990-12-18 | Cirrus Logic, Inc. | Burst mode error detection and definition |
| US5140595A (en) * | 1987-09-21 | 1992-08-18 | Cirrus Logic, Inc. | Burst mode error detection and definition |
| US4993029A (en) * | 1989-03-13 | 1991-02-12 | International Business Machines Corporation | Method and apparatus for randomizing data in a direct access storage device |
| NL9101376A (nl) * | 1990-08-16 | 1992-03-16 | Digital Equipment Corp | Een verbeterd foutendetectie-codeerstelsel. |
| CA2050123C (en) * | 1990-10-11 | 1997-12-09 | Subrahmanyam Dravida | Apparatus and method for parallel generation of cyclic redundancy check (crc) codes |
| US5377208A (en) * | 1991-11-02 | 1994-12-27 | U.S. Philips Corporation | Transmission system with random error and burst error correction for a cyclically coded digital signal |
| JP3170123B2 (ja) * | 1993-11-29 | 2001-05-28 | 日本放送協会 | 誤り訂正回路 |
| US5923680A (en) * | 1997-06-05 | 1999-07-13 | Northern Telecom Limited | Error correction in a digital transmission system |
| JPH1141114A (ja) * | 1997-07-18 | 1999-02-12 | Sony Corp | 送信装置、受信装置、通信方法及び無線通信システム |
| US20030110434A1 (en) * | 2001-12-11 | 2003-06-12 | Amrutur Bharadwaj S. | Serial communications system and method |
| US7284184B2 (en) * | 2003-01-30 | 2007-10-16 | International Business Machines Corporation | Forward error correction scheme compatible with the bit error spreading of a scrambler |
| US7509568B2 (en) * | 2005-01-11 | 2009-03-24 | International Business Machines Corporation | Error type identification circuit for identifying different types of errors in communications devices |
| US9356785B2 (en) * | 2011-02-15 | 2016-05-31 | Blackberry Limited | Method and system for security enhancement for mobile communications |
| US8588426B2 (en) * | 2011-02-21 | 2013-11-19 | Blackberry Limited | Methods and apparatus to secure communications in a mobile network |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3278729A (en) * | 1962-12-14 | 1966-10-11 | Ibm | Apparatus for correcting error-bursts in binary code |
| DE1211687B (de) * | 1964-11-10 | 1966-03-03 | Telefunken Patent | System zur linearen systematischen Kodierung |
| US3487362A (en) * | 1967-04-10 | 1969-12-30 | Ibm | Transmission error detection and correction system |
| US3582881A (en) * | 1969-06-09 | 1971-06-01 | Bell Telephone Labor Inc | Burst-error correcting systems |
| US3649915A (en) * | 1970-06-22 | 1972-03-14 | Bell Telephone Labor Inc | Digital data scrambler-descrambler apparatus for improved error performance |
-
1972
- 1972-05-19 US US00254975A patent/US3775746A/en not_active Expired - Lifetime
-
1973
- 1973-03-29 GB GB1510873A patent/GB1380868A/en not_active Expired
- 1973-04-04 JP JP48037905A patent/JPS5123843B2/ja not_active Expired
- 1973-04-10 FR FR7313793A patent/FR2185901B1/fr not_active Expired
- 1973-04-21 DE DE2320422A patent/DE2320422C2/de not_active Expired
- 1973-04-24 CA CA170,036A patent/CA984513A/en not_active Expired
- 1973-05-15 IT IT24075/73A patent/IT987427B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977490A (ja) * | 1983-08-22 | 1984-05-02 | キヤノン株式会社 | 不揮発性表示手段付電子機器 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT987427B (it) | 1975-02-20 |
| FR2185901A1 (en:Method) | 1974-01-04 |
| DE2320422A1 (de) | 1973-11-29 |
| JPS5123843B2 (en:Method) | 1976-07-20 |
| DE2320422C2 (de) | 1986-09-11 |
| CA984513A (en) | 1976-02-24 |
| US3775746A (en) | 1973-11-27 |
| FR2185901B1 (en:Method) | 1977-04-29 |
| GB1380868A (en) | 1975-01-15 |