BR8106175A - Sistema de comunicacao digital multicanal e de estacoes mestres multiplas com selecao de canal em cada terminal - Google Patents
Sistema de comunicacao digital multicanal e de estacoes mestres multiplas com selecao de canal em cada terminalInfo
- Publication number
- BR8106175A BR8106175A BR8106175A BR8106175A BR8106175A BR 8106175 A BR8106175 A BR 8106175A BR 8106175 A BR8106175 A BR 8106175A BR 8106175 A BR8106175 A BR 8106175A BR 8106175 A BR8106175 A BR 8106175A
- Authority
- BR
- Brazil
- Prior art keywords
- channel
- terminal
- communication system
- digital communication
- multiple master
- Prior art date
Links
Classifications
-
- 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
-
- 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]
- H04L12/2801—Broadband local area networks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/191,208 US4375691A (en) | 1980-09-26 | 1980-09-26 | Method and device for frequency translation |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8106175A true BR8106175A (pt) | 1982-06-15 |
Family
ID=22704547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8106175A BR8106175A (pt) | 1980-09-26 | 1981-09-25 | Sistema de comunicacao digital multicanal e de estacoes mestres multiplas com selecao de canal em cada terminal |
Country Status (6)
Country | Link |
---|---|
US (1) | US4375691A (pt) |
EP (1) | EP0049045A3 (pt) |
JP (1) | JPS5787257A (pt) |
BR (1) | BR8106175A (pt) |
CA (1) | CA1160711A (pt) |
MX (1) | MX150302A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59115633A (ja) * | 1982-12-22 | 1984-07-04 | Toshiba Corp | 情報伝送方式 |
US4858230A (en) * | 1987-05-18 | 1989-08-15 | Duggan Robert J | Multiport/multidrop computer communications |
US4916689A (en) * | 1987-12-29 | 1990-04-10 | Eaton Corporation | Communications apparatus for encoding and decoding multiplexed optical signal |
US5251218A (en) * | 1989-01-05 | 1993-10-05 | Hughes Aircraft Company | Efficient digital frequency division multiplexed signal receiver |
US5058107A (en) * | 1989-01-05 | 1991-10-15 | Hughes Aircraft Company | Efficient digital frequency division multiplexed signal receiver |
WO2005035594A1 (en) * | 2003-09-23 | 2005-04-21 | Union Carbide Chemicals & Plastics Technology Corporation | Self-extiguishing catalyst compostion with monocarboxylic acid ester internal donor and propylene polymerization process |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US507087A (en) * | 1893-10-17 | Potato digger and loader | ||
US2686257A (en) * | 1950-03-15 | 1954-08-10 | Bell Telephone Labor Inc | Radio telephone communication station |
NO123200B (pt) * | 1967-11-23 | 1971-10-11 | Svenska Handelsbanken | |
US3729595A (en) * | 1970-02-04 | 1973-04-24 | Sits Soc It Telecom Siemens | Radiotelephone system with central office having individual processors assignable to respective mobile units aboard communicating vehicles |
US3821706A (en) * | 1973-03-29 | 1974-06-28 | Interactive Syst Inc | Computer system |
US4028500A (en) * | 1973-05-15 | 1977-06-07 | Martin Marietta Corporation | Mobile unit supervisory control sequencer and method |
DE2333255C2 (de) * | 1973-06-29 | 1975-05-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung für den Datenaustausch zwischen zentralen und peripheren Einrichtungen |
US3990046A (en) * | 1974-06-12 | 1976-11-02 | Interactive Systems, Inc. | Multiple terminal computer system with mixed terminal data reception rates |
JPS51117813A (en) * | 1975-04-09 | 1976-10-16 | Shintou Denki Kk | Transmitter to prevent radiation of abnormal electric wave |
US4013957A (en) * | 1975-04-26 | 1977-03-22 | Kanda Tsushin Kogyo Co., Ltd. | Channel-selecting apparatus for a multichannel transceiver |
US4130733A (en) * | 1977-01-10 | 1978-12-19 | International Telephone & Telegraph Corp. | Frequency channel units for a FDM system |
US4097695A (en) * | 1977-07-11 | 1978-06-27 | Grace Alan G V | Asynchronous addressable multiplex system |
-
1980
- 1980-09-26 US US06/191,208 patent/US4375691A/en not_active Expired - Lifetime
-
1981
- 1981-08-25 EP EP81303872A patent/EP0049045A3/en not_active Withdrawn
- 1981-09-02 CA CA000385084A patent/CA1160711A/en not_active Expired
- 1981-09-25 JP JP56151909A patent/JPS5787257A/ja active Pending
- 1981-09-25 BR BR8106175A patent/BR8106175A/pt unknown
- 1981-09-25 MX MX189335A patent/MX150302A/es unknown
Also Published As
Publication number | Publication date |
---|---|
US4375691A (en) | 1983-03-01 |
EP0049045A3 (en) | 1983-01-19 |
CA1160711A (en) | 1984-01-17 |
MX150302A (es) | 1984-04-10 |
JPS5787257A (en) | 1982-05-31 |
EP0049045A2 (en) | 1982-04-07 |
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