System for providing transparent access to hardware graphic layers
Abstract
The present invention relates generally to computer graphics, and more specifically to methods of, and systems for, configuring, controlling and accessing multiple hardware graphics layers that are used to compose a single video display. One aspect of the invention is broadly defined as follows: in a computer environment including a software application and an operating system running on a computer, the computer including a graphics card and a video display, the graphics card being operable to render images to the video display, the improvement comprising: the operating system including a universal application programming interface (API) which supports hardware layers on graphics cards; the operating system being operable to: receive draw events via the universal API; determine what hardware layers are available on the graphics card, and what their parameters are; and respond to draw requests from the software application by rendering the draw requests selectively to any of the available hardware layers on the graphics card; whereby the computer environment allows software applications to exploit available hardware layers on the graphics card.

Term
Term ended
Projected expiry passed 30 August 2025, 1.1 years ago.
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1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US5668997A | Cites | United States of America | I | Search report | 1-15 |
22 members in 6 offices
Priority claims7
| Document | Office | Kind | Date |
|---|---|---|---|
| 928698 | United States of America | – | |
| 92869804 | United States of America | A | |
| 05018844 | European Patent Office (EPO) | A | |
| 050188440 | – | – | – |
| 928698 | – | – | – |
| EP20050018844 | – | – | – |
| US20040928698 | – | – | – |
Members22
| Document | Office | Kind | |
|---|---|---|---|
| CA2516881A1 | Canada | A1 | |
| US2006048164A1 | United States of America | A1 | |
| EP1635253A2 | European Patent Office (EPO) | A2 | |
| JP2006073001A | Japan | A | |
| CN1770129A | China | A | |
| KR20060050830A | Republic of Korea | A | |
| EP1635253A3 | European Patent Office (EPO) | A3 | |
| US7830372B2 | United States of America | B2 | |
| US2011050688A1 | United States of America | A1 | |
| US8098246B2 | United States of America | B2 | |
| US2012256930A1 | United States of America | A1 | |
| KR101228708B1 | Republic of Korea | B1 | |
| US8416235B2 | United States of America | B2 | |
| EP2631784A2 | European Patent Office (EPO) | A2 | |
| US2013222362A1 | United States of America | A1 | |
| EP2631784A3This record | European Patent Office (EPO) | A3 | |
| US8648852B2 | United States of America | B2 | |
| US2014143711A1 | United States of America | A1 | |
| US9274677B2 | United States of America | B2 | |
| EP1635253B1 | European Patent Office (EPO) | B1 | |
| CA2516881C | Canada | C | |
| EP2631784B1 | European Patent Office (EPO) | B1 |
68 legal events, as 9 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Patent expired after termination of 20 yearsExpiredPE20 | PE20 | GB | |
| Patent expired because of reaching the maximum lifetime of a patentExpiredMK | MK | NL | |
| Expiry of rightR071 | R071 | DE | |
| 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 | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)REGISTERED BETWEEN 20240530 AND 20240605732E | 732E | GB | |
| Change of applicant/patenteeR081 | R081 | DE | |
| 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 | |
| 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| Lapsed because of non-payment of the annual feeLapsedMM | MM | BE | |
| 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 | |
| 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 | |
| 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent ceasedCeasedPL | PL | CH | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Deletion acc. to par. 5 (withdrawal of the translation of the ep patent)MK05 | MK05 | AT | |
| 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 | |
| Invalidated european patentMG4D | MG4D | LT | |
| 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 | |
| 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 | |
| Translation for ep filed (entry of ep into country)FP | FP | NL | |
| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
| Reference to at number (ep patent validated in austria)REF | REF | AT | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Divisional application: reference to earlier applicationAC | AC | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE PATENT HAS BEEN GRANTEDSTAA | STAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Intention to grant announcedINTG | INTG | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: GRANT OF PATENT IS INTENDEDSTAA | STAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| Designated contracting statesAK | AK | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Request for examination filed17P | 17P | EP | |
| Divisional application: reference to earlier applicationAC | AC | 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
- 2631784
- Publication, DOCDB
- 2631784
- Publication, EPODOC
- EP2631784
- Application
- 131686883
- Application, DOCDB
- 13168688
- Application, EPODOC
- EP20130168688
Titles3
- German
- System zur Bereitstellung von transparentem Zugang auf Hardware-Grafikschichten
- English
- System for providing transparent access to hardware graphic layers
- French
- Système pour fournir un accès transparent à des couches graphiques matérielles
Classification
- CPC, 9
- G06F3/04815
- G06F3/14
- G09G5/14
- G09G5/363
- G09G2340/10
- G09G2340/12
- G09G2352/00
- G09G2360/08
- G06T1/00
- IPC, 2
- G06F3 14
- G06T15 00
Designated states1
- Contracting states, 1
- Türkiye