Boots – shoes – and leggings
Patent
1992-12-17
1996-01-09
Lee, Thomas C.
Boots, shoes, and leggings
395700, 39520002, 3642324, 3642407, 364940, 36494061, 364DIG1, G06F 300, G06F 302, G06F 1300, G06F 1314
Patent
active
054836476
ABSTRACT:
A hybrid system environment includes a proprietary operating system and processing unit and a non-proprietary operating system (UNIX based) and processing unit. The systems tightly couple to a system bus in common with a main memory and a number of multiline communications controllers and communicate through a common area of main memory. The UNIX terminal connections to such controllers are virtual connections applied by a virtual terminal driver through the system proprietary communications software components. These components include a server, a network terminal driver (NTD) and a number of multiplexer driver modules. A multiplexer physical terminal driver is included in the UNIX-based operating system and a switching mechanism is incorporated into the virtual terminal driver for enabling switching to such physical terminal driver when a user switches via a switch command to the UNIX-based operating system. The server module upon being invoked upon such switching operates to establish a direct communications path between an application running under the UNIX-based operating system and the controller communications line paths through the multiplexer driver module and logically disconnects the virtual communications line path from the NTD module to the multiplexer driver module thereby improving system efficiency and terminal connectivity.
REFERENCES:
patent: 4951245 (1990-08-01), Bailey et al.
patent: 5027271 (1991-06-01), Curley et al.
patent: 5134580 (1992-07-01), Bertram et al.
patent: 5230065 (1993-07-01), Curley et al.
patent: 5278973 (1994-01-01), O'Brien et al.
"Implementation of Real-Time Operating System for Integrated Swtiching System", Ozeki et al, IEEE, 1988.
Bailey Christopher R. M.
Lizotte Steven D.
Mighill Charles T.
Wu Teresa L. C.
Yu Kin C.
Bull HN Information Systems Inc.
Driscoll Faith F.
Krick Rehana
Lee Thomas C.
Solakian John S.
LandOfFree
System for switching between two different operating systems by does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System for switching between two different operating systems by , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for switching between two different operating systems by will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1309231