05274363 is referenced by 68 patents and cites 14 patents.

An interactive display system including: a first display; a movable display device having a second display which is substantially smaller than the first display, an input device for inputting information, and a position sensor for providing position information of the movable display device relative to the first display; and a computer, coupled to the first display and the movable display device, for storing image information for the first and second displays. The computer supplies stored image information to the second display in response to the position information provided by the position sensor of the movable display. In another embodiment, the first display is replaced with a model or a physical object, and the computer supplies image information to a display in response to position information provided by the position sensor representing the position of the movable display device relative to the model or physical object.

Title
Interactive display system
Application Number
7/648943
Publication Number
5274363
Application Date
February 1, 1991
Publication Date
December 28, 1993
Inventor
Edwin J Selker
New York
NY, US
Lawrence H Koved
Somers
NY, US
Agent
Sughrue Mion Zinn Macpeak & Seas
Assignee
IBM
NY, US
IPC
G09G 3/02
View Original Source