Data transmitting apparatus, data receiving apparatus, data transmission system and data transmission method
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United States of America Patent
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May 27, 2008
Grant Date -
Dec 4, 2003
app pub date -
May 28, 2003
filing date -
May 29, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A Controller 20 sends to a Consumer 40 a command for reserving a plug/port in order to send/receive data using an Asynchronous transmission (Step 211) and receives information on a port connecting from the Consumer 40 (Step 212). The Controller 20 further sends to a Producer 30 a command for reserving a port/plug for sending content or the like (Step 213) and receives from the Producer 30 information on a Producer plug/port used for transmission (Step 214). After this, the Controller 20 notifies the Consumer 40 of the information on the port of the Producer 30 (Step 215) and receives a response from the Consumer 40 (Step 216). Next, the Consumer 40 issues a device authentication request command to the Producer 30 (Step 219) and they perform mutual device authentication and exchange of keys (Step 217).
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