IT1038695B - Sistmea di comunicazione perfezionato - Google Patents
Sistmea di comunicazione perfezionatoInfo
- Publication number
- IT1038695B IT1038695B IT24023/75A IT2402375A IT1038695B IT 1038695 B IT1038695 B IT 1038695B IT 24023/75 A IT24023/75 A IT 24023/75A IT 2402375 A IT2402375 A IT 2402375A IT 1038695 B IT1038695 B IT 1038695B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- communication system
- communication
- perfected communication
- Prior art date
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
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
-
- 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]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US482940A US3921137A (en) | 1974-06-25 | 1974-06-25 | Semi static time division multiplex slot assignment |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1038695B true IT1038695B (it) | 1979-11-30 |
Family
ID=23918010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24023/75A IT1038695B (it) | 1974-06-25 | 1975-06-05 | Sistmea di comunicazione perfezionato |
Country Status (6)
Country | Link |
---|---|
US (1) | US3921137A (it) |
JP (1) | JPS555907B2 (it) |
CA (1) | CA1039866A (it) |
FR (1) | FR2276637A1 (it) |
GB (1) | GB1485667A (it) |
IT (1) | IT1038695B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5193138A (en) * | 1975-02-12 | 1976-08-16 | Johoshorisochini okeru kyotsujohono densohoshiki | |
US4031512A (en) * | 1975-05-29 | 1977-06-21 | Burroughs Corporation | Communications network for general purpose data communications in a heterogeneous environment |
GB1538995A (en) * | 1976-03-10 | 1979-01-24 | Chestel Inc | Time division multiplexed pabx communication switching system |
CA1086397A (en) * | 1976-09-14 | 1980-09-23 | Charles G. Diefenderfer | Polling an data communication system having a pulse position to binary address conversion circuit |
US4199662A (en) * | 1978-07-17 | 1980-04-22 | Lowe Charles S Jr | Hybrid control of time division multiplexing |
US4445213A (en) * | 1979-07-31 | 1984-04-24 | Bell Telephone Laboratories, Incorporated | Communication line interface for controlling data information having differing transmission characteristics |
US4468785A (en) * | 1981-06-10 | 1984-08-28 | Gould Inc. | Telemetry system with signal booster for digital data transmission through a transmission line |
JPH0671270B2 (ja) * | 1982-01-26 | 1994-09-07 | 株式会社日立製作所 | データ伝送ネットワーク |
US4768188A (en) * | 1982-05-20 | 1988-08-30 | Hughes Network Systems, Inc. | Optical demand assigned local loop communication system |
ATE29098T1 (de) * | 1982-12-28 | 1987-09-15 | Ibm | Zrz-koppelfeld unter verwendung einer geschlossenen schleifenverbindung. |
US4703451A (en) * | 1983-05-02 | 1987-10-27 | Calabrese Frank A | Data relay system |
US4511969A (en) * | 1983-05-20 | 1985-04-16 | At&T Information Systems Inc. | Control channel interface circuit |
JPS60501487A (ja) * | 1983-05-31 | 1985-09-05 | クローネ ファイバー オプティック コミュニカツィオンステヒニク ゲーエムベーハー | デ−タル−プにおけるデ−タ伝送方法及び装置 |
US4646292A (en) * | 1985-10-01 | 1987-02-24 | Aetna Telecommunications Laboratories | Link controller |
JPH0771097B2 (ja) * | 1985-12-20 | 1995-07-31 | 株式会社日立製作所 | 時分割多重通信方式 |
US5062035A (en) * | 1986-06-24 | 1991-10-29 | Kabushiki Kaisha Toshiba | Time slot allocation for loop networks |
US5276703A (en) * | 1992-01-13 | 1994-01-04 | Windata, Inc. | Wireless local area network communications system |
US5581553A (en) * | 1993-08-18 | 1996-12-03 | Intervoice Limited Partnership | Distributed switching architecture |
JP3366277B2 (ja) * | 1999-03-25 | 2003-01-14 | 日本電気株式会社 | Atコマンド受信回路 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3483329A (en) * | 1966-02-11 | 1969-12-09 | Ultronic Systems Corp | Multiplex loop system |
US3544976A (en) * | 1968-07-02 | 1970-12-01 | Collins Radio Co | Digitalized communication system with computation and control capabilities employing transmission line loop for data transmission |
US3644678A (en) * | 1969-03-21 | 1972-02-22 | Communications Satellite Corp | Channel reallocation system and method |
CA893337A (en) * | 1969-11-10 | 1972-02-15 | Ibm Canada Limited - Ibm Canada Limitee | Data communication system |
US3632881A (en) * | 1970-03-16 | 1972-01-04 | Ibm | Data communications method and system |
CH514268A (de) * | 1970-09-30 | 1971-10-15 | Ibm | Verfahren zur Zeitmultiplex-Nachrichtenübertragung und Vermittlungseinrichtung zur Durchführung des Verfahrens |
US3732374A (en) * | 1970-12-31 | 1973-05-08 | Ibm | Communication system and method |
US3705267A (en) * | 1971-09-03 | 1972-12-05 | Bell Telephone Labor Inc | Supervisory circuit for monitoring the formation and termination of interconnections in a time-division switch |
US3751597A (en) * | 1971-12-30 | 1973-08-07 | Bell Telephone Labor Inc | Time division multiplex network switching unit |
US3845472A (en) * | 1972-12-15 | 1974-10-29 | Johnson Service Co | Data communication system employing a series loop |
-
1974
- 1974-06-25 US US482940A patent/US3921137A/en not_active Expired - Lifetime
-
1975
- 1975-04-22 GB GB16500/75A patent/GB1485667A/en not_active Expired
- 1975-04-29 CA CA226,004A patent/CA1039866A/en not_active Expired
- 1975-05-06 FR FR7515094A patent/FR2276637A1/fr active Granted
- 1975-05-16 JP JP5751175A patent/JPS555907B2/ja not_active Expired
- 1975-06-05 IT IT24023/75A patent/IT1038695B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2521018A1 (de) | 1976-01-15 |
JPS513706A (it) | 1976-01-13 |
FR2276637A1 (fr) | 1976-01-23 |
FR2276637B1 (it) | 1982-07-09 |
JPS555907B2 (it) | 1980-02-12 |
DE2521018B2 (de) | 1977-03-31 |
US3921137A (en) | 1975-11-18 |
GB1485667A (en) | 1977-09-14 |
CA1039866A (en) | 1978-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1051463B (it) | Impianto di telecomunicazione | |
DK671374A (da) | Serveringssystem | |
BR7508105A (pt) | Armacao aperfeicoada | |
SE7511173L (sv) | Digitalt kommunikationssystem | |
SE7512357L (sv) | Tvakretsbormssystem | |
NL169943C (nl) | Communicatiestelsel. | |
IT1038695B (it) | Sistmea di comunicazione perfezionato | |
IT1039303B (it) | Perfezionata | |
BR7505102A (pt) | Copiador-telecopiador aperfeicoado | |
DK516375A (da) | Forstovningstorreanleg | |
DK390276A (da) | Kommunikationsanleg | |
SE402395B (sv) | Fergtelevisionssystem | |
NL7513444A (nl) | Communicatiesysteem. | |
IT1038271B (it) | Sistema di comunicazione perfezionato | |
IT1056429B (it) | Ancora perfezionata | |
IT1049193B (it) | Sistema di comunicazioni | |
IT1042282B (it) | Impianto d ascensore perfezionato | |
IT1042281B (it) | Impianto d ascensore perfezionato | |
SE7612406L (sv) | Kommunikationssystem | |
IT1044039B (it) | Impianto d ascensore perfezionato | |
DK199575A (da) | Telekommunikationsanleg | |
SE409537B (sv) | Telefonapparatsystem | |
NL7416853A (nl) | Facsimilestelsel. | |
NL7508119A (nl) | Facsimilestelsel. | |
SE7409119L (sv) | Forhalningssystem |