JPS5849544U - current carrying transmitter - Google Patents
current carrying transmitterInfo
- Publication number
- JPS5849544U JPS5849544U JP14424581U JP14424581U JPS5849544U JP S5849544 U JPS5849544 U JP S5849544U JP 14424581 U JP14424581 U JP 14424581U JP 14424581 U JP14424581 U JP 14424581U JP S5849544 U JPS5849544 U JP S5849544U
- Authority
- JP
- Japan
- Prior art keywords
- rectifier
- transmitter
- impedance
- switching element
- current carrying
- 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.)
- Granted
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１．２図は従来の配電線電流搬送送信器の例を示す回
路図、第３，４図は本考案による実施例を示す回路図で
ある。 ・
、４・・・低圧配電線、５・・・全波整流器、６・・・
可聴周波数のパルス、７・・・トランジスタ、９・・・
・・・信号レベル調整用トランジスタ、ＲＢ・・・可変
抵抗、８８□〜ＳＢ３・・・選択スイッチ、ＲＢＩ〜Ｒ
Ｂ３・・・抵抗、Ｒ３・・・抵抗。FIG. 1.2 is a circuit diagram showing an example of a conventional distribution line current carrying transmitter, and FIGS. 3 and 4 are circuit diagrams showing an embodiment according to the present invention.・ , 4...Low voltage distribution line, 5...Full wave rectifier, 6...
Audio frequency pulse, 7...transistor, 9...
...Signal level adjustment transistor, RB...Variable resistor, 88□~SB3...Selection switch, RBI~R
B3...Resistance, R3...Resistance.
Claims (1)
列に接続し、インピーダンスを流れる電流をチョッパ回
路により信号周波数で断続するようにした電流搬送送信
器において、チョッパ回路を、配電線線間電圧を整流す
る整流器及び該整流器の直流側に接続されたスイッチン
グ素子から形成し、前記整流器の直流側で前記スイッチ
ング素子に直列に前記インピーダンスと信号レベル調整
用トランジスタとを接続し、該信号レベル調整用トラン
ジスタのベースに、そのベース電流を活性領域内で可変
させる抵抗を接続したことを特徴とする電流搬送送信器
。In a current carrier transmitter, an impedance and a chopper circuit are connected in series between the lines of a distribution line, and the current flowing through the impedance is interrupted at a signal frequency by the chopper circuit. It is formed from a rectifier that rectifies and a switching element connected to the DC side of the rectifier, and the impedance and a signal level adjustment transistor are connected in series to the switching element on the DC side of the rectifier, and the signal level adjustment transistor is connected to the switching element on the DC side of the rectifier. A current carrying transmitter, characterized in that a resistor is connected to the base of the transmitter to vary the base current within the active region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14424581U JPS5849544U (en) | 1981-09-30 | 1981-09-30 | current carrying transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14424581U JPS5849544U (en) | 1981-09-30 | 1981-09-30 | current carrying transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5849544U true JPS5849544U (en) | 1983-04-04 |
| JPS6318196Y2 JPS6318196Y2 (en) | 1988-05-23 |
Family
ID=29937212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14424581U Granted JPS5849544U (en) | 1981-09-30 | 1981-09-30 | current carrying transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849544U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54157020A (en) * | 1978-05-31 | 1979-12-11 | Matsushita Electric Works Ltd | Carrier transmitter |
-
1981
- 1981-09-30 JP JP14424581U patent/JPS5849544U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54157020A (en) * | 1978-05-31 | 1979-12-11 | Matsushita Electric Works Ltd | Carrier transmitter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6318196Y2 (en) | 1988-05-23 |
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