초록 ▼

Remote interactive use of a plurality of writing surfaces, such as special wall mounted whiteboards and the like, is facilitated by an apparatus which includes, for each writing surface, a translucent screen acting as the writing surface itself, a video camera located behind the translucent screen f

Remote interactive use of a plurality of writing surfaces, such as special wall mounted whiteboards and the like, is facilitated by an apparatus which includes, for each writing surface, a translucent screen acting as the writing surface itself, a video camera located behind the translucent screen for receiving an image of indications imparted upon the translucent screen, and a video projector for projecting onto the back side of the translucent screen a composite of the images imparted upon each of the translucent screens. Backlighting of a user is employed to allow presentation of the processes of imparting, using and referring to the indicia together with the indicia itself. Proper ambient lighting also provides a limited three dimensional view of the user. Audio portions of interactive work may be captured by a microphone and transmitted to speakers in conjunction with the video portion of the interactive work. An audio/video mixing resource may be employed to combine the images of indicia and audio from various worksites for presentation. Low bandwidth of the present system facilitates compression and use with emerging commercial communications standards (e.g., ISDN).

대표청구항 ▼

An apparatus for remote interactive communication, comprising: first and second writing/display screens, each writing/display screen having a first surface for receiving indicia imparted by a user thereupon and a second surface opposite said first surface for diffusing light incident thereupon; a fi

An apparatus for remote interactive communication, comprising: first and second writing/display screens, each writing/display screen having a first surface for receiving indicia imparted by a user thereupon and a second surface opposite said first surface for diffusing light incident thereupon; a first video camera positioned to capture substantially only those images imparted on the first surface of the first writing/display screen by imaging the second surface of the first writing/display screen; a second video camera positioned to capture substantially only those images imparted on the first surface of the second writing/display screen by imaging the second surface of the second writing/display screen; a first video projector positioned to project an image onto the second surface of the first writing/display screen; a second video projector positioned to project an image onto the second surface of the second writing/display screen; and means for interconnecting the first and second video cameras and video projectors such that an image of indicia imparted by a user upon the first surface of the first writing/display screen is detected by the first video camera and transmitted to the second video projector which projects the image from the first writing/display screen onto the second surface of the second writing/display screen and an image of indicia imparted by a user upon the first surface of the second writing/display screen is detected by the second video camera and transmitted to the first video projector which projects the image from the second writing/display screen onto the second surface of the first writing/display screen to thereby form an optical composite of the images on the first surfaces of the first and second writing/display screens.