发明名称 |
RECEIVER, TRANSMITTER AND COMMUNICATION CONTROL PROGRAM |
摘要 |
<p>A transmitter has a network interface unit connected to a wireless network capable of transmitting contents for which copyright protection is necessary, an encryption processing unit configured to encrypt contents for which copyright protection is necessary, an RTT measuring unit configured to measure a round trip time after a predetermined packet is transmitted to a receiver, until a response corresponding to the transmitted packet is received, a communication permission determination unit configured to permit transmission of the contents for which copyright protection is necessary when the round trip time measured by the RTT measuring unit is within a predetermined time, and a parameter modification unit configured to change parameters of the wireless network before and/or after the RTT measuring unit performs the measurement of the round trip time.</p> |
申请公布号 |
WO2007029863(A1) |
申请公布日期 |
2007.03.15 |
申请号 |
WO2006JP318095 |
申请日期 |
2006.09.06 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;SAITO, TAKESHI;SHIMOJO, YOSHIMITSU |
发明人 |
SAITO, TAKESHI;SHIMOJO, YOSHIMITSU |
分类号 |
G06F21/00;G06F13/00;G06Q50/00;G06Q50/10;G09C1/00;H04L9/32;H04L12/28;H04L12/64;H04L29/06;H04W8/24;H04W12/00;H04W12/02;H04W12/06;H04W84/10;H04W84/12;H04W84/18 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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