JPS6349837U - - Google Patents
Info
- Publication number
- JPS6349837U JPS6349837U JP14235786U JP14235786U JPS6349837U JP S6349837 U JPS6349837 U JP S6349837U JP 14235786 U JP14235786 U JP 14235786U JP 14235786 U JP14235786 U JP 14235786U JP S6349837 U JPS6349837 U JP S6349837U
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- signal
- power line
- subcarrier
- data communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は本考案の電力線搬送データ通信装置の
ブロツク図である。第２図は本考案の電力線搬送
データ通信装置の波形、第３図は本考案の実施例
、第４図は本考案のもう１つの実施例である。第
５図はトーンバースト方式による通信波形、第６
図はＦＳＫ方式による通信波形である。
符号の説明、１……送信データ入力端子、２…
…副搬送波変調器、３……主搬送波周波数変調器
、４……トランス、５……バイパスコンデンサ、
６……電力線、７……主搬送波周波数検波器、８
……副搬送波復調器、９……受信データ出力端子
、１０……電話回線用モデムＩＣ、１１……電力
線搬送インターホン用ＩＣ。
FIG. 1 is a block diagram of a power line carrier data communication device according to the present invention. FIG. 2 shows waveforms of the power line carrier data communication device of the invention, FIG. 3 shows an embodiment of the invention, and FIG. 4 shows another embodiment of the invention. Figure 5 shows communication waveforms using the tone burst method;
The figure shows communication waveforms based on the FSK method. Explanation of symbols, 1... Transmission data input terminal, 2...
...Subcarrier modulator, 3...Main carrier frequency modulator, 4...Transformer, 5...Bypass capacitor,
6... Power line, 7... Main carrier frequency detector, 8
... Subcarrier demodulator, 9 ... Received data output terminal, 10 ... Modem IC for telephone line, 11 ... IC for power line carrier intercom.
Claims (1)
送信側で音声帯域の副搬送波をデイジタルデータ
信号で１次変調し、得られた搬送波デイジタル信
号で高周波信号である主搬送波を周波数変調して
伝送し、受信側では上記高周波信号を復調して得
られた搬送波デイジタル信号を、さらに上記副搬
送波で復調し、もとのデイジタルデータ信号を得
ることを特徴とする電力線搬送データ通信装置。 ２ 副搬送波の一次変復調に、電話回線用モデム
ＩＣを用い、主搬送波の周波数変調用に電力線搬
送インターホン用ＩＣを用いることを特徴とする
実用新案登録請求の範囲第１項記載の電力線搬送
データ通信装置。[Scope of claims for utility model registration] 1. In data communication using power lines as transmission paths,
On the transmitting side, the voice band subcarrier is primary modulated with a digital data signal, and the obtained carrier digital signal is used to frequency modulate the main carrier wave, which is a high frequency signal, and then transmitted, and on the receiving side, the high frequency signal is demodulated and obtained. A power line carrier data communication device characterized in that the carrier wave digital signal obtained by the carrier wave is further demodulated using the subcarrier wave to obtain the original digital data signal. 2. Power line carrier data communication according to claim 1, characterized in that a telephone line modem IC is used for primary modulation and demodulation of the subcarrier, and a power line carrier intercom IC is used for frequency modulation of the main carrier. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14235786U JPS6349837U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14235786U JPS6349837U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6349837U true JPS6349837U (en) | 1988-04-04 |
Family
ID=31051017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14235786U Pending JPS6349837U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6349837U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137140A (en) * | 1983-12-26 | 1985-07-20 | Sharp Corp | Controller of carrier type interphone system |
-
1986
- 1986-09-17 JP JP14235786U patent/JPS6349837U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60137140A (en) * | 1983-12-26 | 1985-07-20 | Sharp Corp | Controller of carrier type interphone system |
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