CA2025848A1 - Systeme pour determiner le debit binaire de donnees serie - Google Patents
Systeme pour determiner le debit binaire de donnees serieInfo
- Publication number
- CA2025848A1 CA2025848A1 CA2025848A CA2025848A CA2025848A1 CA 2025848 A1 CA2025848 A1 CA 2025848A1 CA 2025848 A CA2025848 A CA 2025848A CA 2025848 A CA2025848 A CA 2025848A CA 2025848 A1 CA2025848 A1 CA 2025848A1
- Authority
- CA
- Canada
- Prior art keywords
- bit
- delay element
- rate
- value
- data
- Prior art date
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0262—Arrangements for detecting the data rate of an incoming signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/462,134 US5072407A (en) | 1990-01-08 | 1990-01-08 | Serial data rate detection method and apparatus |
US07/462,134 | 1990-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2025848A1 true CA2025848A1 (fr) | 1991-07-09 |
CA2025848C CA2025848C (fr) | 1996-03-05 |
Family
ID=23835280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002025848A Expired - Fee Related CA2025848C (fr) | 1990-01-08 | 1990-09-20 | Systeme pour determiner le debit binaire de donnees serie |
Country Status (2)
Country | Link |
---|---|
US (1) | US5072407A (fr) |
CA (1) | CA2025848C (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2664770A1 (fr) * | 1990-07-11 | 1992-01-17 | Bull Sa | Procede et systeme de transmission numerique de donnees en serie. |
DE4117869A1 (de) * | 1991-05-31 | 1992-12-03 | Standard Elektrik Lorenz Ag | Raum- und zeit-koppelelement |
US5343515A (en) * | 1991-09-13 | 1994-08-30 | Treffkorn Remco V | High speed modem |
US5627858A (en) * | 1992-07-20 | 1997-05-06 | Telefonaktiebolaget L M Ericsson | Multi-channel autobauding circuit |
DE4308418A1 (de) * | 1993-03-17 | 1994-09-22 | Elsa Gmbh | Bitratenerkennung |
JPH07321875A (ja) * | 1994-05-27 | 1995-12-08 | Mita Ind Co Ltd | データ受信制御装置 |
US5862141A (en) * | 1996-06-14 | 1999-01-19 | Lucent Technologies Inc. | Variable bitrate radio modem system to enhance data transmission and reduce error rates |
US5802106A (en) * | 1996-12-06 | 1998-09-01 | Packeteer, Inc. | Method for rapid data rate detection in a packet communication environment without data rate supervision |
JP3329229B2 (ja) * | 1997-04-21 | 2002-09-30 | ヤマハ株式会社 | Atコマンド受信方式 |
GB2324688A (en) * | 1997-04-25 | 1998-10-28 | Motorola Ltd | A modem in which bit rate is determined using the width of a start bit |
US6198785B1 (en) | 1997-09-29 | 2001-03-06 | Lucent Technologies Inc. | Autobaud rate detection and adjustment |
US6266172B1 (en) * | 1997-11-06 | 2001-07-24 | Agere Systems Optoelectronics Guardian Corp. | Signal bit rate and performance measurement for optical channel signals |
US6157689A (en) * | 1998-03-16 | 2000-12-05 | Ericsson Inc. | Automatic speed detection for asynchronous serial communications |
JP3994360B2 (ja) * | 1998-05-20 | 2007-10-17 | ソニー株式会社 | 情報処理装置、情報処理方法、および記録媒体 |
US6687232B1 (en) * | 2000-01-14 | 2004-02-03 | Adtran, Inc. | Subscriber loop terminal equipment-resident mechanism for determining bit rate of high-level data link control communication channel |
US6680970B1 (en) * | 2000-05-23 | 2004-01-20 | Hewlett-Packard Development Company, L.P. | Statistical methods and systems for data rate detection for multi-speed embedded clock serial receivers |
US7103125B1 (en) * | 2001-05-16 | 2006-09-05 | Lexmark International, Inc. | Method and apparatus for effecting synchronous pulse generation for use in serial communications |
US7139344B2 (en) * | 2001-05-16 | 2006-11-21 | Lexmark International, Inc. | Method and apparatus for effecting synchronous pulse generation for use in variable speed serial communications |
US6944248B2 (en) * | 2001-05-17 | 2005-09-13 | Bluebrook Associates Llc | Data rate calibration for asynchronous serial communications |
US7577756B2 (en) | 2003-07-15 | 2009-08-18 | Special Devices, Inc. | Dynamically-and continuously-variable rate, asynchronous data transfer |
JP5023709B2 (ja) | 2006-04-03 | 2012-09-12 | 株式会社デンソー | 通信システム及び通信装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696338A (en) * | 1970-08-20 | 1972-10-03 | Tektronix Inc | Data terminal-computer serial interface system having automatic baud rate switching |
US3676859A (en) * | 1970-12-23 | 1972-07-11 | Ibm | Data communication system incorporating device selection control |
US4001504A (en) * | 1975-06-09 | 1977-01-04 | International Business Machines Corporation | Automatic terminal data rate selection |
JPS5292413A (en) * | 1976-01-30 | 1977-08-03 | Toshiba Corp | Data transfer system |
US4122393A (en) * | 1977-05-11 | 1978-10-24 | Ncr Corporation | Spread spectrum detector |
JPS59165540A (ja) * | 1983-03-09 | 1984-09-18 | Ricoh Co Ltd | デ−タ伝送制御方式 |
US4748625A (en) * | 1986-07-28 | 1988-05-31 | Motorola, Inc. | Optimum baud rate transmission system |
US4761800A (en) * | 1987-03-02 | 1988-08-02 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method and apparatus for detecting a rate of data transmission |
US4956851A (en) * | 1988-05-25 | 1990-09-11 | Case Communications Inc. | Modem with remote speed-change capability |
-
1990
- 1990-01-08 US US07/462,134 patent/US5072407A/en not_active Expired - Fee Related
- 1990-09-20 CA CA002025848A patent/CA2025848C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5072407A (en) | 1991-12-10 |
CA2025848C (fr) | 1996-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |