JPS61171428U - - Google Patents
Info
- Publication number
- JPS61171428U JPS61171428U JP5477785U JP5477785U JPS61171428U JP S61171428 U JPS61171428 U JP S61171428U JP 5477785 U JP5477785 U JP 5477785U JP 5477785 U JP5477785 U JP 5477785U JP S61171428 U JPS61171428 U JP S61171428U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- impedance
- control circuit
- utility
- model registration
- 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
- 238000007796 conventional method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例を示す図、第２図乃
至第４図は本考案の他の実施例を示す図、第５図
は外付抵抗なし継電器を示す図、第６図は外付抵
抗あり継電器を示す図、第７図は従来の継電器へ
の制御電源印加方法を示す図である。
１……保護継電器、２……抵抗、３……ツエナ
ーダイオード、４……判定部、４１，４１′，４
１″，４１……本考案の一実施例、４４……ツ
エナーダイオード、４５……補助リレー、４６…
…４５の補助リレー常開接点、５１……短絡端子
、６１……可変抵抗器、７３……フオトカプラ。
Fig. 1 shows one embodiment of the present invention, Figs. 2 to 4 show other embodiments of the invention, Fig. 5 shows a relay without external resistance, and Fig. 6 shows a relay without external resistance. FIG. 7 is a diagram showing a relay with an external resistor, and FIG. 7 is a diagram showing a conventional method of applying control power to the relay. 1... Protective relay, 2... Resistor, 3... Zener diode, 4... Judgment section, 41, 41', 4
1'', 41... An embodiment of the present invention, 44... Zener diode, 45... Auxiliary relay, 46...
...45 auxiliary relay normally open contact, 51...short circuit terminal, 61...variable resistor, 73...photocoupler.
Claims (1)
路を直列に接続し前記インピーダンス回路の両端
に前記制御回路で制御される開閉回路を設け、非
線形回路と制御回路両端の電圧を他の装置へ供給
可能としたことを特徴とするインピーダンス選択
装置。 (2) 実用新案登録請求の範囲第(1)項記載のもの
において、非線形回路をツエナーダイオード、制
御回路を補助リレー、開閉回路を接点としたこと
を特徴とするインピーダンス選択装置。 (3) 実用新案登録請求の範囲第(1)項記載のもの
において、制御回路を発光ダイオード、開閉回路
をフオトトランジスタとしたことを特徴とするイ
ンピーダンス選択装置。[Claims for Utility Model Registration] (1) An impedance circuit, a nonlinear circuit, and a control circuit are connected in series, and a switching circuit controlled by the control circuit is provided at both ends of the impedance circuit, and the voltage across the nonlinear circuit and the control circuit is An impedance selection device characterized by being able to supply impedance to other devices. (2) An impedance selection device according to claim (1) of the utility model registration, characterized in that the nonlinear circuit is a Zener diode, the control circuit is an auxiliary relay, and the switching circuit is a contact. (3) An impedance selection device according to claim (1) of the utility model registration, characterized in that the control circuit is a light emitting diode and the switching circuit is a phototransistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5477785U JPS61171428U (en) | 1985-04-15 | 1985-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5477785U JPS61171428U (en) | 1985-04-15 | 1985-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171428U true JPS61171428U (en) | 1986-10-24 |
Family
ID=30576839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5477785U Pending JPS61171428U (en) | 1985-04-15 | 1985-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171428U (en) |
-
1985
- 1985-04-15 JP JP5477785U patent/JPS61171428U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61189731U (en) | ||
| JPS61171428U (en) | ||
| JPS583782U (en) | Leakage current absorption circuit | |
| JPS62169543U (en) | ||
| JPS62165789U (en) | ||
| JPS62107591U (en) | ||
| JPH02106659U (en) | ||
| JPH0451037U (en) | ||
| JPS61112481U (en) | ||
| JPS63146476U (en) | ||
| JPS6177631U (en) | ||
| JPS61138333U (en) | ||
| JPS61123690U (en) | ||
| JPS6251931U (en) | ||
| JPS63135411U (en) | ||
| JPS6214512U (en) | ||
| JPS63130810U (en) | ||
| JPS5881613U (en) | temperature control circuit | |
| JPS643272U (en) | ||
| JPS6232426U (en) | ||
| JPS637822U (en) | ||
| JPS6240605U (en) | ||
| JPH0171936U (en) | ||
| JPS61199935U (en) | ||
| JPH0186476U (en) |