Patent ID: 6917836
Filing Date: 2005-07-12
Classification: H04N

Abstract:
1. A device control system for controlling a first device and a second device, the device control system comprising: a first computer, the first computer including: a second device abstraction unit connected with the second interface unit via a second communications path, the second device abstraction unit transmits and receives data or information to and from the application unit via the second interface unit, and transmits and receives data or information to and from the second device, while the second device abstraction unit removes a difference in control procedure due to a type of the second device, so as to provide the application unit with an identical control environment, which does not depend upon the type of the second device, via the second interface unit; a first communications path abstraction unit interposed between the first interface unit and the first device abstraction unit, the first communications path removes a difference in control procedure due to a type of the first communications path, so as to provide the application unit with an identical control environment, which does not depend upon the type of the first communications path, via the first interface unit; and a second communications path abstraction unit interposed between the second interface unit and the second device abstraction unit, the second communications path-removes a difference in control procedure due to a type of the second communications path, so as to provide the application unit with an identical control environment, which does not depend upon the type of the second communications path, via the second interface unit.