SE8102937L - COMPUTER ACCESSORIES - Google Patents
COMPUTER ACCESSORIESInfo
- Publication number
- SE8102937L SE8102937L SE8102937A SE8102937A SE8102937L SE 8102937 L SE8102937 L SE 8102937L SE 8102937 A SE8102937 A SE 8102937A SE 8102937 A SE8102937 A SE 8102937A SE 8102937 L SE8102937 L SE 8102937L
- Authority
- SE
- Sweden
- Prior art keywords
- trunk control
- control unit
- internal bus
- network
- access device
- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
-
- 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
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
- G06F13/128—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine for dedicated transfers to a network
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
A network access device comprises: a data set (14,18,20,22) adapted to be connected to a data network; a trunk control unit (16,24,26,28) adapted to be connected to said data set for bidirectional communication into and out of said network and for transmitting command messages and for receiving response messages; a trunk control interface (30) adapted to be connected to said trunk control unit and for buffering of data; a network access device internal bus (32) adapted to be connected to said trunk control interface; a network access device processor (34) connected with said internal bus for controlling said trunk control interface and trunk control unit; an internal network access device memory (36) connected with said internal bus; and a device interface (40) connected with said internal bus for communication through said trunk control interface to said trunk control unit and to said data network through said data set and having an output device channel (42) adapted for connection to a computer device. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14863980A | 1980-05-12 | 1980-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8102937L true SE8102937L (en) | 1981-11-13 |
SE451165B SE451165B (en) | 1987-09-07 |
Family
ID=22526657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8102937A SE451165B (en) | 1980-05-12 | 1981-05-11 | PROCEDURE AND ACCESSORIES FOR DATA CONTROL |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS578841A (en) |
AU (1) | AU538148B2 (en) |
CA (1) | CA1170739A (en) |
DE (1) | DE3118847A1 (en) |
FR (1) | FR2482391A1 (en) |
GB (1) | GB2075802B (en) |
SE (1) | SE451165B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687569B2 (en) * | 1989-09-28 | 1994-11-02 | アメリカン テレフォン アンド テレグラフ カムパニー | Terminal adapter and data transmission method |
DE69314438T2 (en) * | 1992-11-30 | 1998-05-14 | Sumitomo Electric Industries | Low alloy sintered steel and process for its production |
CN104104869A (en) * | 2014-06-25 | 2014-10-15 | 华为技术有限公司 | Photographing method and device and electronic equipment |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2026789B2 (en) * | 1970-06-01 | 1978-07-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Method for the transmission of data between terminals and a processing system via a concentrator working as a speed converter |
US3725866A (en) * | 1971-03-08 | 1973-04-03 | Searle Medidata Inc | Data communication system |
FR2242910A5 (en) * | 1973-09-03 | 1975-03-28 | Honeywell Bull Soc Ind | |
US3932841A (en) * | 1973-10-26 | 1976-01-13 | Raytheon Company | Bus controller for digital computer system |
FR2307407A1 (en) * | 1975-04-09 | 1976-11-05 | Singer Co | Data interface module for connecting subsystems - couples subsystems to common transmission line by coding outgoing and decoding incoming signals |
US3961139A (en) * | 1975-05-14 | 1976-06-01 | International Business Machines Corporation | Time division multiplexed loop communication system with dynamic allocation of channels |
SE393723B (en) * | 1975-09-18 | 1977-05-16 | Philips Svenska Ab | WAY TO TRANSFER DATA BETWEEN A CENTRAL STATION AND A NUMBER OF TERMINAL STATIONS VIA A CLOSED SERIES TRANSMISSION LOOP AND FACILITIES FOR CARRYING OUT THE KIT |
JPS52112203A (en) * | 1976-03-16 | 1977-09-20 | Omron Tateisi Electronics Co | Communication circuit control unit |
US4074352A (en) * | 1976-09-30 | 1978-02-14 | Burroughs Corporation | Modular block unit for input-output subsystem |
US4261033A (en) * | 1977-01-19 | 1981-04-07 | Honeywell Information Systems Inc. | Communications processor employing line-dedicated memory tables for supervising data transfers |
US4136400A (en) * | 1977-08-08 | 1979-01-23 | Rockwell International Corporation | Micro-programmable data terminal |
DE2805705C2 (en) * | 1978-02-10 | 1987-01-29 | Patelhold Patentverwertungs- und Elektro-Holding AG, Glarus | Data transmission procedure between several equal participants |
US4199661A (en) * | 1978-05-05 | 1980-04-22 | Control Data Corporation | Method and apparatus for eliminating conflicts on a communication channel |
-
1981
- 1981-03-23 GB GB8109010A patent/GB2075802B/en not_active Expired
- 1981-03-27 CA CA000373989A patent/CA1170739A/en not_active Expired
- 1981-04-09 AU AU69350/81A patent/AU538148B2/en not_active Ceased
- 1981-04-13 JP JP5546881A patent/JPS578841A/en active Pending
- 1981-04-16 FR FR8107684A patent/FR2482391A1/en not_active Withdrawn
- 1981-05-11 SE SE8102937A patent/SE451165B/en not_active IP Right Cessation
- 1981-05-12 DE DE19813118847 patent/DE3118847A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
SE451165B (en) | 1987-09-07 |
GB2075802A (en) | 1981-11-18 |
GB2075802B (en) | 1984-05-31 |
DE3118847A1 (en) | 1982-02-25 |
JPS578841A (en) | 1982-01-18 |
CA1170739A (en) | 1984-07-10 |
AU538148B2 (en) | 1984-08-02 |
FR2482391A1 (en) | 1981-11-13 |
AU6935081A (en) | 1981-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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