JPS62117696U - - Google Patents
Info
- Publication number
- JPS62117696U JPS62117696U JP484286U JP484286U JPS62117696U JP S62117696 U JPS62117696 U JP S62117696U JP 484286 U JP484286 U JP 484286U JP 484286 U JP484286 U JP 484286U JP S62117696 U JPS62117696 U JP S62117696U
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- transducer
- output
- circuit
- signal
- 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 8
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図は第１図の装置の具体例、第３図は第
２図の装置の動作を説明する波形図、第４図は第
１図の装置の他の具体例を示す回路図で一部省略
してある。第５図は従来装置のブロツク図である
。
ＴＭ……伝送装置、ＴＤ……トランスジユーサ
、１１……バイアス回路、１２……加算回路、１
３……変換回路。
FIG. 1 is a configuration block diagram showing one embodiment of the present invention, FIG. 2 is a specific example of the device shown in FIG. 1, FIG. 3 is a waveform diagram explaining the operation of the device shown in FIG. 2, and FIG. This is a circuit diagram showing another specific example of the device shown in FIG. 1, with some parts omitted. FIG. 5 is a block diagram of a conventional device. TM...Transmission device, TD...Transducer, 11...Bias circuit, 12...Addition circuit, 1
3... Conversion circuit.
Claims (1)
するトランスジユーサと、 このトランスジユーサを駆動する電力と出力信
号を伝送する２線の伝送線路 とを有する二線式伝送装置において、 前記伝送線路の電圧を少なくとも前記トランス
ジユーサの動作する電圧に保持するバイアス回路
と、 このバイアス回路の出力電圧と前記トランスジ
ユーサの出力を加算する加算回路と、 この加算回路の出力電圧を電流信号に変換して
前記伝送線路に出力すると共に、この伝送線路に
出力した信号をフイードバツクして該電流信号を
制御する変換回路 とを設け、前記伝送線路の受信側で前記電流信号
を駆動電力と区別して取出すようにしたことを特
徴とする二線式伝送装置。[Claims for Utility Model Registration] A two-wire transmission line that includes a transducer that detects a variable and outputs it as an electrical signal, and a two-wire transmission line that transmits the electric power that drives the transducer and the output signal. A wire transmission device, comprising: a bias circuit that maintains the voltage of the transmission line at least at a voltage at which the transducer operates; an adder circuit that adds the output voltage of the bias circuit and the output of the transducer; A conversion circuit is provided that converts the output voltage of the circuit into a current signal and outputs it to the transmission line, and controls the current signal by feeding back the signal output to the transmission line, and the A two-wire transmission device characterized in that a current signal is extracted separately from drive power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP484286U JPS62117696U (en) | 1986-01-17 | 1986-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP484286U JPS62117696U (en) | 1986-01-17 | 1986-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117696U true JPS62117696U (en) | 1987-07-25 |
Family
ID=30785880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP484286U Pending JPS62117696U (en) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117696U (en) |
-
1986
- 1986-01-17 JP JP484286U patent/JPS62117696U/ja active Pending
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