EP 0948769 A1 19991013 - REAL TIME SERVICES IN BACKWARDLY COMPATIBLE OPERATING SYSTEMS
Title (en)
REAL TIME SERVICES IN BACKWARDLY COMPATIBLE OPERATING SYSTEMS
Title (de)
ECHTZEITSDIENSTEN IN RÜCHWÄRTS-KOMPATIBEL BETRIEBSSYSTEMEN
Title (fr)
SERVICES EN TEMPS REEL POUR SYSTEMES D'EXPLOITATION A COMPATIBILITE DESCENDANTE
Publication
Application
Priority
- US 9723907 W 19971224
- US 77464896 A 19961230
Abstract (en)
[origin: WO9829807A1] The problems associated with CPU hoggin when running legacy applications, such as DOS applications, on a modern operating system, such as Windows 95, are overcome by creating a Virtual Device Driver VxD to manage needs for guaranteed CPU access by various processes and devices. The virtual device driver utilizes services of Virtual Machine Manager to guarantee CPU access by requesting processes and devices.
IPC 1-7
IPC 8 full level
G06F 9/455 (2006.01); G06F 9/46 (2006.01); G06F 9/48 (2006.01); G06F 13/10 (2006.01)
CPC (source: EP KR)
G06F 9/45537 (2013.01 - EP); G06F 9/46 (2013.01 - KR); G06F 9/4881 (2013.01 - EP); G06F 13/102 (2013.01 - EP)
Citation (search report)
See references of WO 9829807A1
Designated contracting state (EPC)
DE FR GB IE NL
DOCDB simple family (publication)
WO 9829807 A1 19980709; EP 0948769 A1 19991013; JP 2001507835 A 20010612; KR 20000062377 A 20001025; TW 405091 B 20000911
DOCDB simple family (application)
US 9723907 W 19971224; EP 97953454 A 19971224; JP 53022798 A 19971224; KR 19997005900 A 19990629; TW 86120012 A 19971230