JP5637885B2 - 通信装置 - Google Patents
通信装置 Download PDFInfo
- Publication number
- JP5637885B2 JP5637885B2 JP2011021351A JP2011021351A JP5637885B2 JP 5637885 B2 JP5637885 B2 JP 5637885B2 JP 2011021351 A JP2011021351 A JP 2011021351A JP 2011021351 A JP2011021351 A JP 2011021351A JP 5637885 B2 JP5637885 B2 JP 5637885B2
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- Japan
- Prior art keywords
- signal
- frequency
- power supply
- harmonic noise
- communication
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Description
2…IDFT(Inverse Discrete Fourier Transform)変換器
3、17…並直列変換器
4…D−A変換器
5、13…LPF(低域通過フィルタ)
6、12…乗算器
7、11…BPF(帯域通過フィルタ)
14…A−D変換器
16…DFT(Discrete Fourier Transform)変換器
Claims (2)
- 通信する信号の信号周波数を電源高調波雑音の周波数と直交関係になる値に設定すると共に、信号の1変調周期を信号周波数の1周期に設定し、1変調周期となる1フレームから所定数の信号サンプルを抽出して変復調し、信号通信を行うことを特徴とする通信装置。
- 前記信号は、電力線によって供給される交流電源に重畳されて電力線搬送されることを特徴とする請求項1に記載の通信装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011021351A JP5637885B2 (ja) | 2011-02-03 | 2011-02-03 | 通信装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011021351A JP5637885B2 (ja) | 2011-02-03 | 2011-02-03 | 通信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012161054A JP2012161054A (ja) | 2012-08-23 |
JP5637885B2 true JP5637885B2 (ja) | 2014-12-10 |
Family
ID=46841192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011021351A Active JP5637885B2 (ja) | 2011-02-03 | 2011-02-03 | 通信装置 |
Country Status (1)
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JP (1) | JP5637885B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH604409A5 (ja) * | 1977-05-17 | 1978-09-15 | Landis & Gyr Ag | |
JPS6139635A (ja) * | 1984-07-31 | 1986-02-25 | Osaki Denki Kogyo Kk | 高調波雑音除去方法 |
JPS6214508A (ja) * | 1985-07-11 | 1987-01-23 | Nishimu Denshi Kogyo Kk | 商用電力周波数高調波除去フイルタ |
JPH0563614A (ja) * | 1991-09-02 | 1993-03-12 | Nissin Electric Co Ltd | 配電線搬送装置 |
JP3390359B2 (ja) * | 1999-02-26 | 2003-03-24 | 東北電力株式会社 | 広帯域高調波除去フィルタ |
DE60312839T2 (de) * | 2003-07-16 | 2007-12-13 | Sony Deutschland Gmbh | Erkennung von Rundfunksignalen für die Definition von brauchbaren Frequenzbändern für die Powerlinekommunikation |
-
2011
- 2011-02-03 JP JP2011021351A patent/JP5637885B2/ja active Active
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Publication number | Publication date |
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JP2012161054A (ja) | 2012-08-23 |
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