Multi-instance input device control

Details Multi-instance input device control Multi-instance input device control

2005-07-12

2005-07-12

An, Meng-Al T. (Department: 2126)

Electrical computers and digital processing systems: interprogra

Miscellaneous

Reexamination Certificate

active

06918118

ABSTRACT:
The present invention combines features of an executable process with the need for multiple application programs to share a single input device. The present invention provides an executable program implemented as a process that allows multiple applications to communicate with a single input device. This is achieved by loading the input device control executable program as a process. The executable program is a server thus allowing multiple application programs to interface with the same input device. The multi-instance input device control (MIIDC) executable program responds to each application program request as if the input device is open for the calling application program. Each application program is thus enabled to communicate with the input device instance without interrupting the operation of other application programs communicating with the input device. The input device instance keeps track of all the connections to it and multiplexes and resolves conflicting requests.

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John Paul Mueller, ActiveX From the Ground Up, 1997.

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