JPS58173215U - variable inductance element - Google Patents
variable inductance elementInfo
- Publication number
- JPS58173215U JPS58173215U JP7115082U JP7115082U JPS58173215U JP S58173215 U JPS58173215 U JP S58173215U JP 7115082 U JP7115082 U JP 7115082U JP 7115082 U JP7115082 U JP 7115082U JP S58173215 U JPS58173215 U JP S58173215U
- Authority
- JP
- Japan
- Prior art keywords
- core
- inductance element
- variable inductance
- current
- permanent magnet
- 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
Landscapes
- Coils Or Transformers For Communication (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の回路図、第２図は同上の動作説明図、
第３図は同上を利用した放電灯調光装置の回路図、第４
図及び第５図は本考案の一実施例の回路図、第６図は同
上を利用した放電灯調光装置の回路図、第７図は本考案
の他の実施例の回路図である。
１は主巻線、３はコア、４は制御巻線、５はスイッチ、
６は直流電源、９は永久磁石である。Figure 1 is a circuit diagram of a conventional example, Figure 2 is an explanatory diagram of the same operation as above,
Figure 3 is a circuit diagram of a discharge lamp dimmer using the same as above, Figure 4
5 and 5 are circuit diagrams of one embodiment of the present invention, FIG. 6 is a circuit diagram of a discharge lamp dimming device using the same, and FIG. 7 is a circuit diagram of another embodiment of the present invention. 1 is the main winding, 3 is the core, 4 is the control winding, 5 is the switch,
6 is a DC power supply, and 9 is a permanent magnet.
Claims (1)
よび制御巻線と、コアを磁気的な飽和状態に励磁する永
久磁石と、永久磁石とは逆方向にコアを励磁する直流電
流を制御巻線に流す直流電源と、直流電流の大きさを制
御する手段とを備えて成る可変インダクタンス素子。A core made of soft magnetic material, a main winding and a control winding wound around the core, a permanent magnet that excites the core to a magnetically saturated state, and a direct current that excites the core in the opposite direction to the permanent magnet. A variable inductance element comprising a DC power source that supplies a DC current to a control winding, and means for controlling the magnitude of the DC current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7115082U JPS58173215U (en) | 1982-05-15 | 1982-05-15 | variable inductance element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7115082U JPS58173215U (en) | 1982-05-15 | 1982-05-15 | variable inductance element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58173215U true JPS58173215U (en) | 1983-11-19 |
Family
ID=30080782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7115082U Pending JPS58173215U (en) | 1982-05-15 | 1982-05-15 | variable inductance element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58173215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268905A (en) * | 1988-09-02 | 1990-03-08 | Sharp Corp | Variable inductance device and magnetic field intensity measuring device |
-
1982
- 1982-05-15 JP JP7115082U patent/JPS58173215U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268905A (en) * | 1988-09-02 | 1990-03-08 | Sharp Corp | Variable inductance device and magnetic field intensity measuring device |
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