
US Patent No: 5,649,104
Number of patents in Portfolio can not be more than 2000
System for allowing user of any computer to draw image over that generated by the host computer and replicating the drawn image to other computers
Stats
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Jul 15, 1997
Issued date -
Mar 19, 1993
filing date -
08/035,092
serial no -
In Force
status
Importance
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Abstract
The invention concerns using multiple computers to hold a conference. Under the invention, an application program can run on a single computer, yet remote participants can issue commands to the program. Remote participants can watch the program operate, because the invention replicates the display window of the running program onto the displays of the remote computers. Any participant can make annotations on the participant's own computer display. The invention copies the annotations to the displays of the other participants.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,208,912 Joint information processing system comprising a plurality of terminal apparatuses guaranteeing identicalness of data processing results | 56 | 1990 | |
| 5,280,583 System and method for performing interlocution at a plurality of terminals connected to communication network | 77 | 1992 | |
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| 5,107,443 Private regions within a shared workspace | 214 | 1988 | |
| 5,220,657 Updating local copy of shared data in a collaborative system | 400 | 1991 | |
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| 4,939,509 Data conferencing arrangement for stations having keyboards and displays, using a keyboard buffer and a screen buffer | 68 | 1988 | |
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| 4,503,499 Controlled work flow system | 186 | 1982 | |
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| 4,414,621 Interactive visual communications system | 156 | 1981 | |
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| 5,206,934 Method and apparatus for interactive computer conferencing | 112 | 1989 | |
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| 5,309,555 Realtime communication of hand drawn images in a multiprogramming window environment | 112 | 1992 | |
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| 5,119,319 Full-duplex video communication system | 94 | 1989 | |
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| 5,293,619 Method and apparatus for collaborative use of application program | 92 | 1991 | |
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| 4,435,772 Interactive graphic system | 33 | 1981 | |