JPS6390341U - - Google Patents
Info
- Publication number
- JPS6390341U JPS6390341U JP18438986U JP18438986U JPS6390341U JP S6390341 U JPS6390341 U JP S6390341U JP 18438986 U JP18438986 U JP 18438986U JP 18438986 U JP18438986 U JP 18438986U JP S6390341 U JPS6390341 U JP S6390341U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- circuit
- signal
- electronic transmitter
- measuring circuit
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
第１図は、本考案の一実施例を概念的に示すブ
ロツク図、第２図は、定電流回路を具体化した実
施例を示す回路図である。
１…２線式の測定回路、２…定電流回路、３…
信号線、４…受信計、５，６…電源、２１Ａ…電
界効果トランジスタ、２１Ｂ…抵抗、２２…定電
圧ダイオード、２３…差動増幅器、２４…トラン
ジスタ、２５…可変抵抗。
FIG. 1 is a block diagram conceptually showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing an embodiment embodying a constant current circuit. 1...2-wire measurement circuit, 2...constant current circuit, 3...
Signal line, 4... Receiver, 5, 6... Power supply, 21A... Field effect transistor, 21B... Resistor, 22... Constant voltage diode, 23... Differential amplifier, 24... Transistor, 25... Variable resistor.
Claims (1)
定回路を備えた電子式トランスミツタにおいて、 前記測定回路とは別個に定電流回路を設け、 前記信号線に前記測定回路の電流信号と前記定
電流回路による所定の定電流との代数和の電流信
号が流れるように構成したことを特徴とする電子
式トランスミツタ。[Claims for Utility Model Registration] In an electronic transmitter equipped with a measuring circuit that functions as a two-wire system in which a power supply line and a signal line are shared, a constant current circuit is provided separately from the measuring circuit, and the signal line An electronic transmitter characterized in that the electronic transmitter is configured such that a current signal that is an algebraic sum of a current signal from the measuring circuit and a predetermined constant current from the constant current circuit flows through the current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18438986U JPS6390341U (en) | 1986-11-29 | 1986-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18438986U JPS6390341U (en) | 1986-11-29 | 1986-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6390341U true JPS6390341U (en) | 1988-06-11 |
Family
ID=31132015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18438986U Pending JPS6390341U (en) | 1986-11-29 | 1986-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6390341U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110298A (en) * | 1984-11-05 | 1986-05-28 | 株式会社山武 | Instrument |
-
1986
- 1986-11-29 JP JP18438986U patent/JPS6390341U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110298A (en) * | 1984-11-05 | 1986-05-28 | 株式会社山武 | Instrument |
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