SE7512339L - Veljaranordning - Google Patents
VeljaranordningInfo
- Publication number
- SE7512339L SE7512339L SE7512339A SE7512339A SE7512339L SE 7512339 L SE7512339 L SE 7512339L SE 7512339 A SE7512339 A SE 7512339A SE 7512339 A SE7512339 A SE 7512339A SE 7512339 L SE7512339 L SE 7512339L
- Authority
- SE
- Sweden
- Prior art keywords
- selector device
- selector
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US523576A US3921138A (en) | 1974-11-14 | 1974-11-14 | Multipoint data communications systems utilizing multipoint switches |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7512339L true SE7512339L (sv) | 1976-05-17 |
SE422266B SE422266B (sv) | 1982-02-22 |
Family
ID=24085561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7512339A SE422266B (sv) | 1974-11-14 | 1975-11-04 | Flerpunktsveljare i ett flerpunktsdatakommunikationssystem |
Country Status (11)
Country | Link |
---|---|
US (1) | US3921138A (sv) |
JP (1) | JPS5828941B2 (sv) |
BE (1) | BE835549A (sv) |
CA (1) | CA1054243A (sv) |
DE (1) | DE2551204B2 (sv) |
ES (1) | ES442633A1 (sv) |
FR (1) | FR2299779A1 (sv) |
GB (1) | GB1516669A (sv) |
IT (1) | IT1048727B (sv) |
NL (1) | NL7513305A (sv) |
SE (1) | SE422266B (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4100533A (en) * | 1976-12-06 | 1978-07-11 | Bell Telephone Laboratories, Incorporated | Multipoint polling technique |
US4122301A (en) * | 1977-12-29 | 1978-10-24 | Bell Telephone Laboratories, Incorporated | Selection of branch lines of multipoint junction circuits |
JPS58120364A (ja) * | 1982-01-13 | 1983-07-18 | Toshiba Corp | 端子拡張方式 |
JPS6050438U (ja) * | 1983-09-14 | 1985-04-09 | クラリオン株式会社 | 押釦機構 |
JPS60196036A (ja) * | 1984-03-06 | 1985-10-04 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 遠隔制御出力分岐装置 |
JPS6153831U (sv) * | 1984-09-12 | 1986-04-11 | ||
US4858230A (en) * | 1987-05-18 | 1989-08-15 | Duggan Robert J | Multiport/multidrop computer communications |
JPS6418533U (sv) * | 1987-07-22 | 1989-01-30 | ||
US5303267A (en) * | 1992-05-04 | 1994-04-12 | Dsc Communications Corporation | Multipoint data communications system |
US5944803A (en) * | 1997-03-25 | 1999-08-31 | Sony Corporation | Isolatable multi-point serial communication utilizing a single universal asynchronous receiver and transmitter (UART) |
US7406555B2 (en) * | 2005-04-29 | 2008-07-29 | The Boeing Company | Systems and methods for multiple input instrumentation buses |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2193967A (en) * | 1933-01-05 | 1940-03-19 | Teletype Corp | Automatic message exchange system |
US2501592A (en) * | 1946-07-26 | 1950-03-21 | Bell Telephone Labor Inc | Intercommunicating teletypewriter system |
US3001010A (en) * | 1958-09-11 | 1961-09-19 | Bell Telephone Labor Inc | Station control circuit for multistation line |
US3529293A (en) * | 1967-04-10 | 1970-09-15 | Leeds & Northrup Co | Supervisory and control system |
AT274054B (de) * | 1967-12-01 | 1969-09-10 | Siemens Ag | Schaltungsanordnung für zentralgesteuerte Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen |
US3576539A (en) * | 1968-10-21 | 1971-04-27 | Digital Data Systems Corp | Counter controller credit verification system |
GB1402986A (en) * | 1971-05-13 | 1975-08-13 | Kent Meters Ltd | Interrogation of remote stations |
US3821705A (en) * | 1972-10-12 | 1974-06-28 | Concord Computing Corp | Data communication system and apparatus |
US3826872A (en) * | 1973-01-02 | 1974-07-30 | Honeywell Inf Systems | Transparent multiplexer communication transmission system |
JPS4997503A (sv) * | 1973-01-17 | 1974-09-14 | ||
US3815093A (en) * | 1973-05-11 | 1974-06-04 | Afa Syst Inc | Signaling system utilizing frequency burst duration and absence for control functions |
-
1974
- 1974-11-14 US US523576A patent/US3921138A/en not_active Expired - Lifetime
-
1975
- 1975-10-16 CA CA237,807A patent/CA1054243A/en not_active Expired
- 1975-11-04 SE SE7512339A patent/SE422266B/sv unknown
- 1975-11-10 GB GB46438/75A patent/GB1516669A/en not_active Expired
- 1975-11-13 NL NL7513305A patent/NL7513305A/xx not_active Application Discontinuation
- 1975-11-13 IT IT29269/75A patent/IT1048727B/it active
- 1975-11-13 BE BE161850A patent/BE835549A/xx not_active IP Right Cessation
- 1975-11-14 DE DE2551204A patent/DE2551204B2/de not_active Withdrawn
- 1975-11-14 FR FR7534848A patent/FR2299779A1/fr active Granted
- 1975-11-14 ES ES442633A patent/ES442633A1/es not_active Expired
- 1975-11-14 JP JP50136449A patent/JPS5828941B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3921138A (en) | 1975-11-18 |
BE835549A (fr) | 1976-03-01 |
FR2299779A1 (fr) | 1976-08-27 |
JPS5828941B2 (ja) | 1983-06-18 |
IT1048727B (it) | 1980-12-20 |
FR2299779B1 (sv) | 1982-12-10 |
NL7513305A (nl) | 1976-05-18 |
SE422266B (sv) | 1982-02-22 |
JPS5172245A (sv) | 1976-06-22 |
ES442633A1 (es) | 1977-04-16 |
DE2551204B2 (de) | 1980-04-24 |
CA1054243A (en) | 1979-05-08 |
GB1516669A (en) | 1978-07-05 |
DE2551204A1 (de) | 1976-05-26 |
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