Electrical computers and digital processing systems: multicomput – Computer-to-computer protocol implementing – Computer-to-computer data streaming
Reexamination Certificate
2011-04-12
2011-04-12
Avellino, Joseph E (Department: 2454)
Electrical computers and digital processing systems: multicomput
Computer-to-computer protocol implementing
Computer-to-computer data streaming
C709S245000
Reexamination Certificate
active
07925772
ABSTRACT:
A communication apparatus such as a digital video camcoder acquires an IP address from a DHCP server on a UPnP network. During the communication apparatus is transmitting an image stream, which is a sensed image, to the DTV, the communication apparatus issues an IP address update request to the DHCP server. In this case, when the DHCP server leaves the UPnP network, the communication apparatus keeps transmitting the stream while holding an already set IP address. Upon completely transmitting the series of the stream, the communication apparatus generates its own IP address using an AutoIP function.
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The above references were cited in a Mar. 24, 2010 US Office Action that issued in related U.S. Appl. No. 11/045,783, which is enclosed.
Avellino Joseph E
Canon Kabushiki Kaisha
Conaway James E
Cowan Liebowitz & Latman P.C.
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