IT1038695B - Sistmea di comunicazione perfezionato - Google Patents

Sistmea di comunicazione perfezionato

Info

Publication number: IT1038695B
Authority: IT; Italy
Prior art keywords: perfected; communication system; communication; perfected communication
Prior art date: 1974-06-25

Application number

IT24023/75A

Other languages

English (en)

Original Assignee

Ibm

Priority date (The priority date 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 date listed.)

1974-06-25

Filing date

1975-06-05

Publication date

1979-11-30

1975-06-05 Application filed by Ibm filed Critical Ibm

1979-11-30 Application granted granted Critical

1979-11-30 Publication of IT1038695B publication Critical patent/IT1038695B/it

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)

IT24023/75A 1974-06-25 1975-06-05 Sistmea di comunicazione perfezionato IT1038695B (it)

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)

* Cited by examiner, † Cited by third party
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
GB1538996A (en) *	1976-03-10	1979-01-24	Chestel Inc	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
EP0112425B1 (fr) *	1982-12-28	1987-08-19	International Business Machines Corporation	Réseau de connexion temps-espace-temps utilisant une liaison en boucle fermée
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
DE3471219D1 (en) *	1983-05-31	1988-06-16	Oesterr Forsch Seibersdorf	Method and device for the transfer of data in a data loop
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)

* Cited by examiner, † Cited by third party
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
JPS513706A (it)	1976-01-13
FR2276637B1 (it)	1982-07-09
US3921137A (en)	1975-11-18
DE2521018A1 (de)	1976-01-15
CA1039866A (en)	1978-10-03
FR2276637A1 (fr)	1976-01-23
GB1485667A (en)	1977-09-14
DE2521018B2 (de)	1977-03-31
JPS555907B2 (it)	1980-02-12

Publication	Publication Date	Title
IT1051463B (it)	1981-04-21	Impianto di telecomunicazione
DK671374A (da)	1975-11-10	Serveringssystem
BR7508105A (pt)	1976-08-24	Armacao aperfeicoada
SE7511173L (sv)	1976-04-08	Digitalt kommunikationssystem
SE7512357L (sv)	1976-05-10	Tvakretsbormssystem
NL169943C (nl)	1982-09-01	Communicatiestelsel.
IT1038695B (it)	1979-11-30	Sistmea di comunicazione perfezionato
IT1039303B (it)	1979-12-10	Perfezionata
BR7505102A (pt)	1976-08-03	Copiador-telecopiador aperfeicoado
DK516375A (da)	1976-05-19	Forstovningstorreanleg
DK390276A (da)	1977-03-01	Kommunikationsanleg
SE402395B (sv)	1978-06-26	Fergtelevisionssystem
NL7513444A (nl)	1976-05-20	Communicatiesysteem.
IT1042282B (it)	1980-01-30	Impianto d ascensore perfezionato
IT1038271B (it)	1979-11-20	Sistema di comunicazione perfezionato
IT1056429B (it)	1982-01-30	Ancora perfezionata
IT1049193B (it)	1981-01-20	Sistema di comunicazioni
IT1042281B (it)	1980-01-30	Impianto d ascensore perfezionato
SE7612406L (sv)	1977-07-07	Kommunikationssystem
IT1044039B (it)	1980-02-29	Impianto d ascensore perfezionato
DK199575A (da)	1975-11-10	Telekommunikationsanleg
SE409537B (sv)	1979-08-20	Telefonapparatsystem
NL7416853A (nl)	1975-08-11	Facsimilestelsel.
NL7508119A (nl)	1976-02-03	Facsimilestelsel.
SE7409119L (sv)	1976-01-12	Forhalningssystem