| 发明名称 |
MULTICHANNEL AUDIS RECORDING METHOD |
| 摘要 |
PURPOSE:To offer a multichannel audio recording method in which an FM modulation of the signals of multichannels is performed for recording in the band of normal 20KHz; also an FM demodulation of the signals obtained from the broadcast programs and a band splitting is performed to perform the newly specified frequency multiplication. |
| 申请公布号 |
JPS526505(A) |
申请公布日期 |
1977.01.19 |
| 申请号 |
JP19750082401 |
申请日期 |
1975.07.03 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
MATSUSHIMA HIROSHI;DEGUCHI MASAHIRO;YOSHIDA TOMIO;NAKADA AKIFUMI |
| 分类号 |
G11B5/02;G11B20/00;H04H20/89;H04R5/00;H04S3/00 |
主分类号 |
G11B5/02 |
| 代理机构 |
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