FR2369629A1 - Dispositif de transmission de donnees en duplex integral a deux vitesses - Google Patents
Dispositif de transmission de donnees en duplex integral a deux vitessesInfo
- Publication number
- FR2369629A1 FR2369629A1 FR7732428A FR7732428A FR2369629A1 FR 2369629 A1 FR2369629 A1 FR 2369629A1 FR 7732428 A FR7732428 A FR 7732428A FR 7732428 A FR7732428 A FR 7732428A FR 2369629 A1 FR2369629 A1 FR 2369629A1
- Authority
- FR
- France
- Prior art keywords
- data transmission
- speed
- transmission device
- duplex data
- speed integral
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1438—Negotiation of transmission parameters prior to communication
- H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
L'invention concerne la transmission de données. Un dispositif de transmission de données à deux vitesses 100 peut communiquer à deux vitesses différentes avec un dispositif analogue 101, ainsi qu'avec des dispositifs à une seule vitesse 201, 301. Ce dispositif utilise le réseau téléphonique commuté et la bande téléphonique normale, et fonctionne en mode asynchrone avec une modulation FSK pour la vitesse inférieure, et en mode synchrone avec une modulation PSK pour la vitesse supérieure. Application à la téléinformatique.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/737,789 US4069392A (en) | 1976-11-01 | 1976-11-01 | Dual speed full duplex data transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2369629A1 true FR2369629A1 (fr) | 1978-05-26 |
Family
ID=24965337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7732428A Withdrawn FR2369629A1 (fr) | 1976-11-01 | 1977-10-27 | Dispositif de transmission de donnees en duplex integral a deux vitesses |
Country Status (11)
Country | Link |
---|---|
US (1) | US4069392A (fr) |
JP (1) | JPS5391514A (fr) |
AU (1) | AU3011077A (fr) |
BE (1) | BE860265A (fr) |
CA (1) | CA1108262A (fr) |
DE (1) | DE2748556A1 (fr) |
ES (1) | ES463722A1 (fr) |
FR (1) | FR2369629A1 (fr) |
IT (1) | IT1091706B (fr) |
NL (1) | NL7711892A (fr) |
SE (1) | SE7711817L (fr) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
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US4258433A (en) * | 1978-04-28 | 1981-03-24 | L M Ericsson Pty. Ltd. | Digital data communication network having differing data transmission rate capabilities |
NL7806618A (nl) * | 1978-06-20 | 1979-12-27 | Philips Nv | Satellietcommunicatiestelsel voor spraak en telegrafie. |
DE3004981C2 (de) * | 1980-02-11 | 1981-10-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Datenübertragung in großen Wassertiefen |
US4342986A (en) * | 1980-05-07 | 1982-08-03 | Honeywell Inc. | Central station alarm reporting system |
US4320522A (en) * | 1980-05-09 | 1982-03-16 | Harris Corporation | Programmable frequency and signalling format tone frequency encoder/decoder circuit |
DE3104514A1 (de) * | 1981-02-09 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und schaltungsanordnung zum uebertragen von datensignalen und signalisierungsinformationen zwischen datenendgeraeten, die ueber vermittlungsstellen eines fernmeldenetzes miteinander verbunden sind |
US4440988A (en) * | 1981-06-15 | 1984-04-03 | Hayes Microcomputer Products, Inc. | Modem with low part count and improved demodulator |
US4431864A (en) * | 1981-10-14 | 1984-02-14 | The United States Of America As Represented By The Secretary Of The Air Force | Communications system input-output converter |
JPS58188950A (ja) * | 1982-04-28 | 1983-11-04 | Nippon Telegr & Teleph Corp <Ntt> | 網間接続方式 |
US4519083A (en) * | 1982-08-16 | 1985-05-21 | Texas Instruments Incorporated | Bilateral digital data transmission system |
US4571731A (en) * | 1982-08-16 | 1986-02-18 | Texas Instruments Incorporated | PSK modem filter switch |
US5142594A (en) * | 1983-04-02 | 1992-08-25 | Canon Kabushiki Kaisha | Image data communication control system |
US4985892A (en) * | 1984-06-01 | 1991-01-15 | Xerox Corporation | Baseband local area network using ordinary telephone wiring |
US4680773A (en) * | 1985-10-30 | 1987-07-14 | Microcom, Inc. | Data telecommunications system and method utilizing a multi-mode modem |
US4788717A (en) * | 1985-12-13 | 1988-11-29 | Digital Equipment Corporation | Telephone line interface option module |
CA1260641A (fr) * | 1986-10-22 | 1989-09-26 | Jan Heynen | Emetteur |
US4737967A (en) * | 1987-01-28 | 1988-04-12 | Hazeltine Corporation | Remote monitoring system receiver with dual baud rate selector |
JPS6412655A (en) * | 1987-07-06 | 1989-01-17 | Oki Electric Ind Co Ltd | Analog front end circuit for full duplex communication |
US5230071A (en) * | 1987-08-13 | 1993-07-20 | Digital Equipment Corporation | Method for controlling the variable baud rate of peripheral devices |
US4759035A (en) * | 1987-10-01 | 1988-07-19 | Adtran | Digitally controlled, all rate equalizer |
DE3890947C2 (de) * | 1987-11-10 | 1995-05-18 | Echelon Systems | Netzwerk und Verfahren zur Nachrichtenübertragung |
US4882726A (en) * | 1987-11-23 | 1989-11-21 | Motorola Canada Limited | Full duplex modem system for differing data bit rates |
US20010050943A1 (en) * | 1989-08-03 | 2001-12-13 | Mahany Ronald L. | Radio frequency communication network having adaptive communication parameters |
US7606575B2 (en) | 1988-08-04 | 2009-10-20 | Broadcom Corporation | Remote radio data communication system with data rate switching |
US4890316A (en) * | 1988-10-28 | 1989-12-26 | Walsh Dale M | Modem for communicating at high speed over voice-grade telephone circuits |
JPH03175745A (ja) * | 1989-12-05 | 1991-07-30 | Toshiba Tesuko Kk | 多局間双方向通信無線モデム |
FI905698A (fi) * | 1990-11-19 | 1992-05-20 | Telenokia Oy | Dataoeverfoeringssystem och ett foerfarande foer kontroll av kontakt vid dataoeverfoeringssystemet. |
US5214637A (en) * | 1991-04-15 | 1993-05-25 | Codex Corporation | High speed two wire modem |
CA2118277C (fr) * | 1993-12-23 | 1998-09-22 | Alexander Feiner | Methode de determination de type d'installation |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US5953346A (en) * | 1996-06-27 | 1999-09-14 | Interdigital Technology Corporation | CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US7072380B2 (en) * | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US6885652B1 (en) * | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6111870A (en) | 1996-11-07 | 2000-08-29 | Interdigital Technology Corporation | Method and apparatus for compressing and transmitting high speed data |
US6075792A (en) | 1997-06-16 | 2000-06-13 | Interdigital Technology Corporation | CDMA communication system which selectively allocates bandwidth upon demand |
US20020051434A1 (en) * | 1997-10-23 | 2002-05-02 | Ozluturk Fatih M. | Method for using rapid acquisition spreading codes for spread-spectrum communications |
US6097738A (en) * | 1997-11-10 | 2000-08-01 | Cypress Semiconductor Corp. | Multi-speed retainer |
US6961369B1 (en) | 1999-11-09 | 2005-11-01 | Aware, Inc. | System and method for scrambling the phase of the carriers in a multicarrier communications system |
US20040057564A1 (en) * | 2002-07-25 | 2004-03-25 | Albert Rappaport | Power spectral density masks for ADSL+ |
US7129753B2 (en) * | 2004-05-26 | 2006-10-31 | Infineon Technologies Ag | Chip to chip interface |
FI20065811A0 (fi) * | 2006-12-15 | 2006-12-15 | Nokia Corp | Mesh-verkko |
US11493949B2 (en) * | 2020-03-27 | 2022-11-08 | Qualcomm Incorporated | Clocking scheme to receive data |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1020976A (en) * | 1963-12-09 | 1966-02-23 | Siemens Ag | Improvements in or relating to telegraph systems |
US3457550A (en) * | 1967-07-11 | 1969-07-22 | Bell Telephone Labor Inc | Automatic handshaking method and apparatus for data transmission systems |
DE2511261A1 (de) * | 1974-03-16 | 1975-09-18 | Ricoh Kk | Faksimile-uebertragungsverfahren und -system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE623036A (fr) * | 1961-09-29 | |||
US3609241A (en) * | 1967-06-08 | 1971-09-28 | Xerox Corp | Electronic coupler circuit |
USRE27864E (en) | 1970-05-07 | 1974-01-01 | Closed loop test method and apparatus fof duplex data transmission modem | |
US3937882A (en) * | 1974-04-11 | 1976-02-10 | Vadic Corporation | Full-duplex communication system on a two wire line |
-
1976
- 1976-11-01 US US05/737,789 patent/US4069392A/en not_active Expired - Lifetime
-
1977
- 1977-10-20 SE SE7711817A patent/SE7711817L/xx unknown
- 1977-10-25 CA CA289,498A patent/CA1108262A/fr not_active Expired
- 1977-10-27 FR FR7732428A patent/FR2369629A1/fr not_active Withdrawn
- 1977-10-27 AU AU30110/77A patent/AU3011077A/en active Pending
- 1977-10-28 NL NL7711892A patent/NL7711892A/xx not_active Application Discontinuation
- 1977-10-28 DE DE19772748556 patent/DE2748556A1/de active Pending
- 1977-10-28 BE BE182176A patent/BE860265A/fr unknown
- 1977-10-31 ES ES463722A patent/ES463722A1/es not_active Expired
- 1977-10-31 IT IT69440/77A patent/IT1091706B/it active
- 1977-11-01 JP JP13035077A patent/JPS5391514A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1020976A (en) * | 1963-12-09 | 1966-02-23 | Siemens Ag | Improvements in or relating to telegraph systems |
US3457550A (en) * | 1967-07-11 | 1969-07-22 | Bell Telephone Labor Inc | Automatic handshaking method and apparatus for data transmission systems |
DE2511261A1 (de) * | 1974-03-16 | 1975-09-18 | Ricoh Kk | Faksimile-uebertragungsverfahren und -system |
Non-Patent Citations (1)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, Vol. 14, No. 8, janvier 1972, NEW YORK (US), J.A. BESSEYRE et al.: 'Modulation Identification Scheme', page 2279 * |
Also Published As
Publication number | Publication date |
---|---|
BE860265A (fr) | 1978-02-15 |
NL7711892A (nl) | 1978-05-03 |
CA1108262A (fr) | 1981-09-01 |
JPS5391514A (en) | 1978-08-11 |
ES463722A1 (es) | 1978-06-01 |
SE7711817L (sv) | 1978-05-01 |
DE2748556A1 (de) | 1978-05-03 |
US4069392A (en) | 1978-01-17 |
IT1091706B (it) | 1985-07-06 |
AU3011077A (en) | 1979-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |