IT1064405B - Impianto di telecomunicazioni con gruppi chiusi di utenti - Google Patents
Impianto di telecomunicazioni con gruppi chiusi di utentiInfo
- Publication number
- IT1064405B IT1064405B IT29744/76A IT2974476A IT1064405B IT 1064405 B IT1064405 B IT 1064405B IT 29744/76 A IT29744/76 A IT 29744/76A IT 2974476 A IT2974476 A IT 2974476A IT 1064405 B IT1064405 B IT 1064405B
- Authority
- IT
- Italy
- Prior art keywords
- users
- telecommunications system
- closed groups
- groups
- closed
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/104—Grouping of entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Exchange Systems With Centralized Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50143489A JPS5266302A (en) | 1975-11-29 | 1975-11-29 | Closed area communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1064405B true IT1064405B (it) | 1985-02-18 |
Family
ID=15339885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29744/76A IT1064405B (it) | 1975-11-29 | 1976-11-25 | Impianto di telecomunicazioni con gruppi chiusi di utenti |
Country Status (9)
Country | Link |
---|---|
US (1) | US4093819A (it) |
JP (1) | JPS5266302A (it) |
CA (1) | CA1063704A (it) |
DE (1) | DE2653720C2 (it) |
FR (1) | FR2333400A1 (it) |
GB (1) | GB1571820A (it) |
IT (1) | IT1064405B (it) |
NL (1) | NL172014C (it) |
SE (1) | SE421474B (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2451075A1 (fr) * | 1979-03-09 | 1980-10-03 | Thomson Csf | Station de telecopie |
HU178906B (en) * | 1979-09-26 | 1982-07-28 | Bhg Hiradastech Vallalat | Connecting device for connecting information sources particularly for central exchanges |
SE441872B (sv) * | 1984-04-06 | 1985-11-11 | Ericsson Telefon Ab L M | Anordning for overvakning av ett databehandlingssystem |
JPS6230450A (ja) * | 1985-07-31 | 1987-02-09 | Toshiba Corp | フアクシミリ蓄積交換システムの閉域交換方式 |
EP0283295B1 (en) * | 1987-03-20 | 1993-09-08 | Canon Kabushiki Kaisha | Data communication system |
EP0335555B1 (en) * | 1988-03-31 | 1995-08-23 | AT&T Corp. | User to network interface protocol for packet communications networks |
US4897874A (en) * | 1988-03-31 | 1990-01-30 | American Telephone And Telegraph Company At&T Bell Laboratories | Metropolitan area network arrangement for serving virtual data networks |
US5204961A (en) * | 1990-06-25 | 1993-04-20 | Digital Equipment Corporation | Computer network operating with multilevel hierarchical security with selectable common trust realms and corresponding security protocols |
JPH04304733A (ja) * | 1991-04-01 | 1992-10-28 | Mitsubishi Electric Corp | 閉域接続用監視ノード |
US5442690A (en) * | 1992-08-25 | 1995-08-15 | Bell Communications Research, Inc. | Telecommunication service record structure and method of execution |
US5511116A (en) * | 1992-08-25 | 1996-04-23 | Bell Communications Research Inc. | Method of creating and accessing value tables in a telecommunication service creation and execution environment |
WO1994005112A1 (en) * | 1992-08-25 | 1994-03-03 | Bell Communications Research, Inc. | System and method for creating, transferring, and monitoring services in a telecommunication system |
US5463682A (en) * | 1992-08-25 | 1995-10-31 | Bell Communications Research, Inc. | Method of creating user-defined call processing procedures |
US5455853A (en) * | 1992-08-25 | 1995-10-03 | Bell Communications Research, Inc. | Method of creating a telecommunication service template |
SE515362C2 (sv) * | 1992-10-16 | 2001-07-23 | Eritel Ab | Styrning av datakommunikation i nät med slutna användargrupper |
FI973955A (fi) * | 1997-10-14 | 1999-04-15 | Nokia Telecommunications Oy | Dataliityntä puhelinjärjestelmässä |
US9674260B2 (en) | 2013-07-09 | 2017-06-06 | John Henry Page | System and method for exchanging and displaying resource viewing position and related information |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1227074B (de) * | 1960-02-09 | 1966-10-20 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur Verhinderung unzulaessiger Verbindungen in Fernsprechvermittlungsanlagen |
NL263572A (it) * | 1960-05-02 | |||
DE1185213B (de) * | 1961-05-17 | 1965-01-14 | Siemens Ag | Schaltungsanordnung fuer Fernmeldeanlagen, in denen der automatischen Nachrichtenuebermittlung dienende Verbindungen selbsttaetig aufgebaut werden |
US3569939A (en) * | 1963-12-31 | 1971-03-09 | Bell Telephone Labor Inc | Program controlled data processing system |
DE1291353B (de) * | 1966-03-04 | 1969-03-27 | Standard Elektrik Lorenz Ag | Verfahren zur Verhinderung des Zustandekommens unzulaessiger Verbindungen in Fernschreibnetzen |
DE1299679B (de) * | 1967-05-31 | 1969-07-24 | Siemens Ag | Verfahren zum Klassifizieren von Verbindungen in einem Daten-Waehlnetz |
GB1460038A (en) * | 1973-12-14 | 1976-12-31 | Int Computers Ltd | Digital data-processing apparatus |
-
1975
- 1975-11-29 JP JP50143489A patent/JPS5266302A/ja active Granted
-
1976
- 1976-11-17 US US05/742,673 patent/US4093819A/en not_active Expired - Lifetime
- 1976-11-25 IT IT29744/76A patent/IT1064405B/it active
- 1976-11-26 DE DE2653720A patent/DE2653720C2/de not_active Expired
- 1976-11-26 CA CA266,611A patent/CA1063704A/en not_active Expired
- 1976-11-26 FR FR7635692A patent/FR2333400A1/fr active Granted
- 1976-11-29 NL NLAANVRAGE7613277,A patent/NL172014C/xx not_active IP Right Cessation
- 1976-11-29 GB GB49726/76A patent/GB1571820A/en not_active Expired
- 1976-11-29 SE SE7613339A patent/SE421474B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL172014B (nl) | 1983-01-17 |
SE7613339L (sv) | 1977-05-30 |
NL172014C (nl) | 1983-06-16 |
US4093819A (en) | 1978-06-06 |
DE2653720A1 (de) | 1977-06-08 |
FR2333400B1 (it) | 1981-11-27 |
DE2653720C2 (de) | 1982-05-19 |
FR2333400A1 (fr) | 1977-06-24 |
SE421474B (sv) | 1981-12-21 |
NL7613277A (nl) | 1977-06-01 |
CA1063704A (en) | 1979-10-02 |
GB1571820A (en) | 1980-07-23 |
JPS5266302A (en) | 1977-06-01 |
JPS5615623B2 (it) | 1981-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2300076A1 (fr) | Nouveaux | |
IT1071261B (it) | Rete di telecomunicazione | |
FR2327787A1 (fr) | Nouveaux agents antihypertenseurs | |
FR2300081A1 (fr) | Nouveaux d | |
IT1069551B (it) | Silani con gruppi runzionali mascherati aventi proprieta adesive | |
NL7613116A (nl) | Telecommunicatiestelsel. | |
IT1051463B (it) | Impianto di telecomunicazione | |
IT1064756B (it) | Insiemi di pellicole rivestiti | |
IT1064405B (it) | Impianto di telecomunicazioni con gruppi chiusi di utenti | |
FR2300551A2 (fr) | Nouveaux | |
FR2300077A1 (fr) | Nouveaux ethers | |
MX143903A (es) | Composicion de un champu mejorado | |
FR2342735A1 (fr) | Nouvelles imidazodiazepines | |
FR2297216A1 (fr) | Nouveaux nucleosides | |
FR2302323A1 (fr) | Nouveaux copolymeres polysiloxane-polyxyalk | |
FR2337175A1 (fr) | Composition stabilisee de polycarbonate | |
FR2313362A1 (fr) | Nouvelles 4-oxoazetidines | |
FR2325377A1 (fr) | Nouveaux n-aryl-n- (1-l-4-piperidinyl)-arylacetamides | |
FR2298330A2 (fr) | Nouveaux d | |
FR2319358A1 (fr) | Nouveaux homophtalimides | |
BE849587A (fr) | Spiroactames n-substitues nouveaux | |
TR19245A (tr) | 3-fenoksibenzaldehidlerin imali | |
BE839891A (fr) | Nouvelles thiazolonones | |
JPS51108298A (ja) | Koondoyosaamisutajikizairyo | |
DK95576A (da) | Ubbelohde-viskosimeter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951124 |