JPS5242562B2 - - Google Patents
Info
- Publication number
- JPS5242562B2 JPS5242562B2 JP47128268A JP12826872A JPS5242562B2 JP S5242562 B2 JPS5242562 B2 JP S5242562B2 JP 47128268 A JP47128268 A JP 47128268A JP 12826872 A JP12826872 A JP 12826872A JP S5242562 B2 JPS5242562 B2 JP S5242562B2
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Expired
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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
- G06F13/4213—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with asynchronous protocol
-
- 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
- H04L12/427—Loop networks with decentralised control
- H04L12/433—Loop networks with decentralised control with asynchronous transmission, e.g. token ring, register insertion
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22644372A | 1972-02-15 | 1972-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4894303A JPS4894303A (US20110158925A1-20110630-C00042.png) | 1973-12-05 |
| JPS5242562B2 true JPS5242562B2 (US20110158925A1-20110630-C00042.png) | 1977-10-25 |
Family
ID=22848928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47128268A Expired JPS5242562B2 (US20110158925A1-20110630-C00042.png) | 1972-02-15 | 1972-12-22 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137012A (ja) * | 1982-02-09 | 1983-08-15 | Komatsu Ltd | レベリング制御装置 |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4999202A (US20110158925A1-20110630-C00042.png) * | 1973-01-26 | 1974-09-19 | ||
| DE2659662C3 (de) * | 1976-12-30 | 1981-10-08 | Ibm Deutschland Gmbh, 7000 Stuttgart | Prioritätsstufengesteuerte Unterbrechungseinrichtung |
| US4290102A (en) * | 1977-10-25 | 1981-09-15 | Digital Equipment Corporation | Data processing system with read operation splitting |
| US4195351A (en) * | 1978-01-27 | 1980-03-25 | International Business Machines Corporation | Loop configured data transmission system |
| US4241330A (en) * | 1978-09-28 | 1980-12-23 | General Atomic Company | Multiple-processor digital communication system |
| US4231015A (en) * | 1978-09-28 | 1980-10-28 | General Atomic Company | Multiple-processor digital communication system |
| US4232366A (en) * | 1978-10-25 | 1980-11-04 | Digital Equipment Corporation | Bus for a data processing system with overlapped sequences |
| US4354226A (en) * | 1978-11-14 | 1982-10-12 | Cutler-Hammer, Inc. | Communication terminal for interconnecting programmable controllers in a loop |
| JPS5745757A (en) * | 1980-09-03 | 1982-03-15 | Hitachi Ltd | Ring type communication system of equal level |
| 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 |
| US4716575A (en) * | 1982-03-25 | 1987-12-29 | Apollo Computer, Inc. | Adaptively synchronized ring network for data communication |
| US4554659A (en) * | 1983-12-12 | 1985-11-19 | At&T Bell Laboratories | Data communication network |
| GB2188216A (en) * | 1986-03-17 | 1987-09-23 | Plessey Co Plc | Ring bus communications systems |
| DK155265C (da) * | 1986-06-09 | 1989-07-31 | Rovsing As Christian | Fremgangsmaade til indkobling af en datasendeenhed paa en signaleringsledning og apparat til udoevelse af fremgangsmaaden |
| US5175765A (en) * | 1989-05-09 | 1992-12-29 | Digital Equipment Corporation | Robust data broadcast over a distributed network with malicious failures |
| US5455865A (en) * | 1989-05-09 | 1995-10-03 | Digital Equipment Corporation | Robust packet routing over a distributed network containing malicious failures |
| DE59209052D1 (de) * | 1991-05-10 | 1998-01-22 | Bosch Gmbh Robert | Schaltungsanordnung für bidirektionalen Datentransfer |
| US7558557B1 (en) | 1991-11-12 | 2009-07-07 | Broadcom Corporation | Low-power messaging in a network supporting roaming terminals |
| US6374311B1 (en) | 1991-10-01 | 2002-04-16 | Intermec Ip Corp. | Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery |
| US5394436A (en) * | 1991-10-01 | 1995-02-28 | Norand Corporation | Radio frequency local area network |
| US5450582A (en) * | 1991-05-15 | 1995-09-12 | Matsushita Graphic Communication Systems, Inc. | Network system with a plurality of nodes for administrating communications terminals |
| US6084867A (en) * | 1991-10-01 | 2000-07-04 | Intermec Ip Corp. | Apparatus and method of routing data in a radio frequency local area network |
| EP1246404B1 (en) | 1991-10-01 | 2006-03-22 | Broadcom Corporation | A radio frequency local area network |
| US6407991B1 (en) | 1993-05-06 | 2002-06-18 | Intermec Ip Corp. | Communication network providing wireless and hard-wired dynamic routing |
| US6400702B1 (en) * | 1991-10-01 | 2002-06-04 | Intermec Ip Corp. | Radio frequency local area network |
| US5243596A (en) * | 1992-03-18 | 1993-09-07 | Fischer & Porter Company | Network architecture suitable for multicasting and resource locking |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1168476A (en) * | 1966-05-17 | 1969-10-29 | British Telecomm Res Ltd | Improvements in or relating to data transmission systems |
| US3638195A (en) * | 1970-04-13 | 1972-01-25 | Battelle Development Corp | Digital communication interface |
| US3633169A (en) * | 1970-05-28 | 1972-01-04 | Raytheon Co | Demand access digital-communications system |
| US3681759A (en) * | 1970-08-06 | 1972-08-01 | Collins Radio Co | Data loop synchronizing apparatus |
| US3680056A (en) * | 1970-10-08 | 1972-07-25 | Bell Telephone Labor Inc | Use equalization on closed loop message block transmission systems |
| US3659271A (en) * | 1970-10-16 | 1972-04-25 | Collins Radio Co | Multichannel communication system |
-
1972
- 1972-02-15 US US00226443A patent/US3781815A/en not_active Expired - Lifetime
- 1972-12-22 JP JP47128268A patent/JPS5242562B2/ja not_active Expired
-
1973
- 1973-01-13 DE DE2301727A patent/DE2301727A1/de active Pending
- 1973-01-19 GB GB276273A patent/GB1376564A/en not_active Expired
- 1973-02-06 FR FR7305430A patent/FR2172718A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137012A (ja) * | 1982-02-09 | 1983-08-15 | Komatsu Ltd | レベリング制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1376564A (en) | 1974-12-04 |
| US3781815A (en) | 1973-12-25 |
| JPS4894303A (US20110158925A1-20110630-C00042.png) | 1973-12-05 |
| FR2172718A5 (US20110158925A1-20110630-C00042.png) | 1973-09-28 |
| DE2301727A1 (de) | 1973-08-23 |
