Communication control device in computer system
Abstract
A communication control device (1) connected through at least one network (5) to a computer system for carrying out a transmitting processing and a receiving processing in accordance with a communication protocol includes: a transmitting processing unit (11) for setting address information of communication control information stored in a storage in a data frame of a communication data and transmitting the data frame; a receiving processing unit (13) for receiving the data frame; and a response inspection processing unit (12, 14) for inspecting response data frame received by the receiving processing unit (13), accessing the communication control information set in the data frame using returned address information of the communication control information, and carrying out a transmitting completion processing or re-transmitting processing based on the access.
Term
Term ended
Projected expiry passed 19 August 2008, 18.1 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 2 of 3
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0224895A2 | Cites | European Patent Office (EPO) | Y | Search report |
| US4527267A | Cites | United States of America | Y | Search report |
| COMPUTER DESIGN, vol. 24, no. 11, September 1985, pages 78-81, Littleton, Massachusetts, US; I. ERICKSON: "Protocol controller chip manages X.25 interface" | Non-patent | – | – | Search report |
| IEEE COMMUNICATIONS MAGAZINE, vol. 24, no. 9, September 1986, pages 18-25, IEEE, New York, US; C.R. DHAS et al.: "X.25: an interface to public packet networks" | Non-patent | – | – | Search report |
9 members in 5 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 20710887 | Japan | – | |
| 20710887 | Japan | A | |
| 20710887 | – | – | – |
| JP19870207108 | – | – | – |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| EP0304074A2 | European Patent Office (EPO) | A2 | |
| JPS6450152A | Japan | A | |
| EP0304074A3This record | European Patent Office (EPO) | A3 | |
| US5077655A | United States of America | A | |
| CA1308492C | Canada | C | |
| JPH053024B2 | Japan | B2 | |
| EP0304074B1 | European Patent Office (EPO) | B1 | |
| DE3886473D1 | Germany | D1 | |
| DE3886473T2 | Germany | T2 |
22 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0304074
- Publication, DOCDB
- 0304074
- Publication, EPODOC
- EP0304074
- Application
- 88113500
- Application, DOCDB
- 88113500
- Application, EPODOC
- EP19880113500
Titles4
- English
- COMMUNICATION CONTROL DEVICE IN COMPUTER SYSTEM
- German
- Übertragungssteuerungsvorrichtung und Verfahren in einem Rechnersystem
- English
- Communication control device and method in computer system
- French
- Dispositif et méthode de commande de communication dans un système d'ordinateurs
Classification
- CPC, 3
- H04L29/06
- H04L69/12
- H04L69/324
- IPC, 4
- H04L29 02
- G06F13 00
- H04L29 06
- H04L29 08
Designated states1
- Contracting states, 1
- United Kingdom