| 发明名称 |
TRANSMITTING APPARATUS, RECEIVING APPARATUS, TRANSMITTING METHOD, AND RECEIVING METHOD |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a transmitting apparatus for particularly realizing compatibility of NTSC broadcasting and HDTV broadcasting in satellite broadcasting and remarkably reducing unreceivable zones within service areas of ground broadcasting in a transmitting apparatus in which a carrier is modulated to transmit a digital signal. <P>SOLUTION: The transmitting apparatus is equipped with a modulation part for modulating a first data stream to generate a first modulated signal and for modulating a second data stream to generate a second modulated signal. The first data stream has demodulating information for demodulating the second modulated signal. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2004135288(A) |
申请公布日期 |
2004.04.30 |
| 申请号 |
JP20030291147 |
申请日期 |
2003.08.11 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
OSHIMA MITSUAKI |
| 分类号 |
H04J11/00;G11B5/09;H03M13/25;H03M13/35;H04B14/04;H04H20/00;H04H20/74;H04J1/02;H04J3/00;H04L1/00;H04L27/00;H04L27/02;H04L27/04;H04L27/06;H04L27/10;H04L27/18;H04L27/22;H04L27/26;H04L27/34;H04L27/36;H04L27/38;H04N5/38;H04N5/40;H04N5/44;H04N5/455;H04N5/46;H04N5/78;H04N5/7826;H04N5/92;H04N7/015;H04N7/04;H04N7/045;H04N7/06;H04N7/08;H04N7/081;H04N7/20;H04N7/24;H04N11/04;H04N11/24;H04N21/2343;H04N21/2383;H04N21/438;H04N21/4402;H04N21/442;H04N21/4425;H04N21/462;H04N21/63;H04N21/647;(IPC1-7):H04J11/00 |
主分类号 |
H04J11/00 |
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