IT1144160B - Sistema di accesso multiplo di terminali su una linea telefonica numerica - Google Patents
Sistema di accesso multiplo di terminali su una linea telefonica numericaInfo
- Publication number
- IT1144160B IT1144160B IT67345/81A IT6734581A IT1144160B IT 1144160 B IT1144160 B IT 1144160B IT 67345/81 A IT67345/81 A IT 67345/81A IT 6734581 A IT6734581 A IT 6734581A IT 1144160 B IT1144160 B IT 1144160B
- Authority
- IT
- Italy
- Prior art keywords
- terminals
- multiple access
- telephone line
- access system
- numeric telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
- H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
- H04L12/4135—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD] using bit-wise arbitration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67345/81A IT1144160B (it) | 1981-03-12 | 1981-03-12 | Sistema di accesso multiplo di terminali su una linea telefonica numerica |
JP57030658A JPS57160297A (en) | 1981-03-12 | 1982-03-01 | Multiple access system for terminal on digital telephone set |
EP82101946A EP0060517A1 (en) | 1981-03-12 | 1982-03-11 | Multiple access system of terminals on a digital telephone line |
US06/357,276 US4463351A (en) | 1981-03-12 | 1982-03-11 | System for providing several data terminals with access to a digital telephone line |
DE198282101946T DE60517T1 (de) | 1981-03-12 | 1982-03-11 | System zum vielfachzugriff von endgeraeten an eine digitale fernsprechleitung. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67345/81A IT1144160B (it) | 1981-03-12 | 1981-03-12 | Sistema di accesso multiplo di terminali su una linea telefonica numerica |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8167345A0 IT8167345A0 (it) | 1981-03-12 |
IT1144160B true IT1144160B (it) | 1986-10-29 |
Family
ID=11301628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67345/81A IT1144160B (it) | 1981-03-12 | 1981-03-12 | Sistema di accesso multiplo di terminali su una linea telefonica numerica |
Country Status (5)
Country | Link |
---|---|
US (1) | US4463351A (it) |
EP (1) | EP0060517A1 (it) |
JP (1) | JPS57160297A (it) |
DE (1) | DE60517T1 (it) |
IT (1) | IT1144160B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2513048A1 (fr) * | 1981-09-16 | 1983-03-18 | Seinep Ste Electro Nord Est Pa | Procede de telecommunication par voie hertzienne et dispositif pour sa mise en oeuvre |
JPS58119247A (ja) * | 1982-01-08 | 1983-07-15 | Hitachi Ltd | デ−タ通信方式 |
IT1155660B (it) * | 1982-03-24 | 1987-01-28 | Cselt Centro Studi Lab Telecom | Perfezionamenti alle matrici elementari di commutazione pcm |
JPS5923654A (ja) * | 1982-07-29 | 1984-02-07 | Sharp Corp | デ−タ伝送装置 |
EP0103437B1 (en) * | 1982-09-15 | 1986-08-13 | Plessey Overseas Limited | Improvements in or relating to digital electronic switching systems |
FR2534097B1 (fr) * | 1982-10-04 | 1989-02-24 | Delisle Dominique | Interface pour terminaux de reseaux de commutation integrant le telephone et des donnees |
US4642630A (en) * | 1982-12-28 | 1987-02-10 | At&T Bell Laboratories | Method and apparatus for bus contention resolution |
FR2543767B1 (fr) * | 1983-03-29 | 1985-06-14 | Cit Alcatel | Dispositif d'echange de messages codes entre stations |
US4569046A (en) * | 1983-07-18 | 1986-02-04 | Northern Telecom Limited | Method of, and a terminal for, transmitting bytes to a bus |
US4613858A (en) * | 1983-10-28 | 1986-09-23 | Sperry Corporation | Error isolator for bi-directional communications buses |
US4658250A (en) * | 1984-06-15 | 1987-04-14 | Nering Douglas G | Computer network operating method and apparatus for detecting and exploiting data collisions to merge read transactions |
US4730311A (en) * | 1985-03-12 | 1988-03-08 | Pacific Bell | Remote multiplexer for digital telephone system |
IT1184933B (it) * | 1985-03-28 | 1987-10-28 | Olivetti & Co Spa | Circuito di integrazione per la trasmissione e la ricezione di dati |
EP0234355B1 (de) * | 1986-02-24 | 1991-10-09 | Siemens Aktiengesellschaft | Schaltungsanordnung für PCM-Fernmeldeanlagen, insbesondere PCM-Fernsprechvermittlungsanlagen, mit mehreren synchron pulstaktgesteuerten Sendern für gemeinsamen Sendekanal. |
US4750168A (en) * | 1986-07-07 | 1988-06-07 | Northern Telecom Limited | Channel allocation on a time division multiplex bus |
US4750171A (en) * | 1986-07-11 | 1988-06-07 | Tadiran Electronics Industries Ltd. | Data switching system and method |
EP0500194B1 (en) * | 1987-02-10 | 1998-05-27 | Canon Kabushiki Kaisha | Communication apparatus |
NL8700736A (nl) * | 1987-03-30 | 1988-10-17 | Philips Nv | Een-kanaalsbussysteem voor meermeester gebruik, met bitcelsynchronisatie, en meesterstation voorzien van een bitcelsynchronisatie-element daarvoor. |
US4987586A (en) * | 1987-07-31 | 1991-01-22 | Compaq Computer Corporation | Modem-telephone interconnect |
JPH01168155A (ja) * | 1987-12-24 | 1989-07-03 | Canon Inc | 通信端末装置 |
FR2634038B1 (fr) * | 1988-07-08 | 1993-11-05 | Js Telecommunications | Micro-ordinateur integrant une terminaison numerique d'abonne de reseau numerique a integration de services |
FI81225C (fi) * | 1988-09-30 | 1990-09-10 | Kone Oy | Foerfarande och anordning foer att saenda meddelande i binaerform i en serietrafikbuss. |
DE19536251C1 (de) * | 1995-09-28 | 1997-03-27 | Siemens Ag | Verfahren zur gemeinsamen Nutzung eines Zeitmultiplexübertragungskanals durch eine Mehrzahl von Sendern |
JP3588597B2 (ja) * | 2001-06-15 | 2004-11-10 | シャープ株式会社 | 通信プロトコルに基づく受信装置 |
CN104845892B (zh) * | 2015-04-15 | 2020-09-29 | 中国医学科学院药用植物研究所海南分所 | 一种硬孔菌及其促进沉香属植物产生沉香的应用 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919461A (en) * | 1974-01-07 | 1975-11-11 | Engineered Syst Inc | Data transmission system |
US3978451A (en) * | 1975-04-21 | 1976-08-31 | Rca Corporation | Controlling communications between computer devices over common bus |
US4292623A (en) * | 1979-06-29 | 1981-09-29 | International Business Machines Corporation | Port logic for a communication bus system |
US4359731A (en) * | 1980-08-22 | 1982-11-16 | Phillips Petroleum Company | Communication link contention resolution system |
US4395710A (en) * | 1980-11-26 | 1983-07-26 | Westinghouse Electric Corp. | Bus access circuit for high speed digital data communication |
US4375639A (en) * | 1981-01-12 | 1983-03-01 | Harris Corporation | Synchronous bus arbiter |
-
1981
- 1981-03-12 IT IT67345/81A patent/IT1144160B/it active
-
1982
- 1982-03-01 JP JP57030658A patent/JPS57160297A/ja active Pending
- 1982-03-11 EP EP82101946A patent/EP0060517A1/en not_active Withdrawn
- 1982-03-11 US US06/357,276 patent/US4463351A/en not_active Expired - Fee Related
- 1982-03-11 DE DE198282101946T patent/DE60517T1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS57160297A (en) | 1982-10-02 |
IT8167345A0 (it) | 1981-03-12 |
US4463351A (en) | 1984-07-31 |
EP0060517A1 (en) | 1982-09-22 |
DE60517T1 (de) | 1983-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1144160B (it) | Sistema di accesso multiplo di terminali su una linea telefonica numerica | |
IT8222273A0 (it) | Circuito di interfaccia di linea telefonica a stato solido, concapacita' di chiamata. | |
NO163126C (no) | Manipulatoranordning. | |
IT8223617A0 (it) | Manipolatore. apparecchiatura per robot | |
ES506469A0 (es) | Un circuito de linea telefonica digital que proporciona un interfar entre una linea de abonado telefonico analogico en duplex total y un sistema de conmutacion digital. | |
IT8021866A0 (it) | Circuito di linea telefonica. | |
ES513850A0 (es) | "un metodo y una disposicion de proporcionar adaptacion en el enlace entre una linea anular y un terminal respectivo en un sistema de telecomunicaciones". | |
IT8522983A0 (it) | Circuito di stato di linea telefonica. | |
DE3274509D1 (en) | Telephone line circuit | |
IT8119709A0 (it) | Alimentazione per linea telefonica. | |
IT8419796A0 (it) | Circuito per ricevere segnali di chiamata su una linea telefonica. | |
IT8021869A0 (it) | Circuito di collegamento per una linea telefonica. | |
NO823299L (no) | Telefonapparat. | |
IT8323890A0 (it) | Disposizione per prove su una singola linea. | |
GB2105542B (en) | An amplfier circuit | |
IT8219528A0 (it) | Disposizione di una piastra addizionale su una macchina lavastoviglie. | |
GB2105949B (en) | Telephony/data terminal | |
NO822554L (no) | Stikkontakt for telefonapparat og lignende. | |
EP0079009A3 (en) | E.c.g. amplifier circuit | |
IT7926572A0 (it) | Ponte di trasmissione per un circuito di linea di utenze telefoniche. | |
NO160040C (no) | Koblingskrets for inn-og utkobling av en krafttransistor. | |
IT8223234A0 (it) | Interrutore di protezione di linea. | |
ES498773A0 (es) | Circuito de apertura controlada de linea telefonica | |
ATE14177T1 (de) | Fernsprechapparat. | |
IT8445727A0 (it) | Dispositivo rilevatore dello statodi una linea telefonica. |