Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2005-04-26
2005-04-26
Ton, Dang (Department: 2666)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S338000, C370S463000, C370S469000
Reexamination Certificate
active
06885643
ABSTRACT:
A wireless network system capable of controlling highly efficient transfer of AV data by an upper application, using information indicating a wireless link condition that varies dynamically is disclosed. In this wireless network system, a wireless terminal and a wire gateway apparatus each store collected wireless link condition information in a descriptor. An upper application on the wireless terminal reads the descriptor at said terminal device and obtains wireless LAN link condition information. The wireless gateway apparatus makes notification to a wireless terminal of a VTR, for example, that actually exists in a 1394 terminal as if it existed as a sub-unit in the local terminal device. The wireless terminal accesses the collected wireless link condition information and selects a AV/C command to be sent to the VTR sub-unit of the wireless gateway apparatus. The wireless terminal transfers the play command for playback to the wireless gateway apparatus. The wireless gateway apparatus transfers the play command to a VTR sub-unit within a terminal on the wired network. In accordance with this action, the VTR sub-unit within the terminal on the wired network starts transfer of AV data.
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U.S. Appl. No. 09/343,509.
Ami Junko
Fujimoto Kensaku
Takabatake Yoshiaki
Teramoto Keiichi
Kabushiki Kaisha Toshiba
Scheibel Robert C
Ton Dang
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