JPS5863845U - Power switching circuit - Google Patents
Power switching circuitInfo
- Publication number
- JPS5863845U JPS5863845U JP15684781U JP15684781U JPS5863845U JP S5863845 U JPS5863845 U JP S5863845U JP 15684781 U JP15684781 U JP 15684781U JP 15684781 U JP15684781 U JP 15684781U JP S5863845 U JPS5863845 U JP S5863845U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- power supply
- fixed contact
- load
- 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
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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
図面は本考案の電源切換回路を示す回路図である。
１・・・・・・直流電源回路、２・・・・・・定電圧回
路、３゜４・・・・・・第３負荷回路、５． ６． ７
・・１第１負荷回路、８，９・・・・・・第２負荷回路
、１０・・曲モータのコイル、１１・・・・・・スピー
カ、１２・・・・・・パイロットランフ、Ｑｌ、Ｑ２・
・・・・・第１第２スイツチング・トランジスタ、Ｓ・
・曲切換スイッチ回路。The drawing is a circuit diagram showing the power supply switching circuit of the present invention. 1... DC power supply circuit, 2... Constant voltage circuit, 3゜4... Third load circuit, 5. 6. 7
...1 first load circuit, 8,9...second load circuit, 10...curved motor coil, 11...speaker, 12...pilot lamp, Ql , Q2・
...first and second switching transistors, S...
- Song selection switch circuit.
Claims (4)
電圧回路と、該定電圧回路の出力側にエミッタ・コレク
タ筒路がそれぞれ接続される第１および第２スイツチン
グ・トランジスタと、該第１および第２スイツチング・
トランジスタの出力側にそれぞれ接続される第１および
第２負荷回路と、該第１および第２負荷回路の出力信号
が印加され且つ前記直流電源回路或は前記定電圧回路の
出力電流ｉ、Ｅより駆動される第３負荷回路と、前記第
１スイツチング・トランジスタのベースに第１固定接点
が接続されると共に前記第２ス−イツチング・トランジ
スタのベースに第２固定接点が接続され且つ共通接点１
こ前記直流電源回路或は基準電位点が接続される切換ス
イッチ回路とを備え、該切換スイッチ回路により前記第
１負荷回路と第２負荷回路の動作を選択切換え制御する
ことを特徴とする電源切換回路。(1) a DC power supply circuit, a constant voltage circuit connected to the output side of the circuit, and first and second switching transistors each having an emitter collector tube connected to the output side of the constant voltage circuit; The first and second switching
First and second load circuits are respectively connected to the output side of the transistor, and the output signals of the first and second load circuits are applied, and the output currents i and E of the DC power supply circuit or the constant voltage circuit are a third load circuit to be driven; a first fixed contact connected to the base of the first switching transistor; a second fixed contact connected to the base of the second switching transistor; and a common contact 1;
A power source switching device comprising a changeover switch circuit to which the DC power supply circuit or the reference potential point is connected, and selectively controls operations of the first load circuit and the second load circuit by the changeover switch circuit. circuit.
テープレコーダ専用回路、第３負荷回路はラジオとテー
プレコーダー共用回路である実用新案登録請求の範囲第
１項記載の電源切換回路。(2) The power supply switching circuit according to claim 1, wherein the first load circuit is a dedicated circuit for a radio, the second load circuit is a circuit dedicated for a tape recorder, and the third load circuit is a circuit used for both a radio and a tape recorder.
の間にテープレコーダーのモータ・コイルが接続される
と共に該第１固定接点に第１スイツチング・トランジス
タのベース側が接続された実用新案登録請求の範囲第２
項記載の電源切換回路。(3) Request for utility model registration in which a motor coil of a tape recorder is connected between the first fixed contact of a changeover switch and a reference potential point, and the base side of a first switching transistor is connected to the first fixed contact. range 2nd
Power supply switching circuit described in section.
にラジオのパイロットランプが接続されると共に該第２
固定接点に第２スイツチング・トラン、ジスタのベース
側が接続された実用新案登録請求の範囲第２項記載の電
源切換回路。(4) The pilot lamp of the radio is connected between the second fixed contact of the changeover switch and the reference potential point, and the second
The power supply switching circuit according to claim 2, wherein the base side of the second switching transformer and resistor is connected to the fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15684781U JPS5863845U (en) | 1981-10-20 | 1981-10-20 | Power switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15684781U JPS5863845U (en) | 1981-10-20 | 1981-10-20 | Power switching circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5863845U true JPS5863845U (en) | 1983-04-28 |
| JPH0122366Y2 JPH0122366Y2 (en) | 1989-06-30 |
Family
ID=29949377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15684781U Granted JPS5863845U (en) | 1981-10-20 | 1981-10-20 | Power switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5863845U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52155008U (en) * | 1976-05-19 | 1977-11-25 | ||
| JPS5651117U (en) * | 1979-09-28 | 1981-05-07 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1011772B (en) * | 1974-04-24 | 1977-02-10 | Olivetti & Co Spa | WRITING TAPE DISPLACEMENT DEVICE FOR AN OFFICE MACHINE PRINTING GROUP |
-
1981
- 1981-10-20 JP JP15684781U patent/JPS5863845U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52155008U (en) * | 1976-05-19 | 1977-11-25 | ||
| JPS5651117U (en) * | 1979-09-28 | 1981-05-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0122366Y2 (en) | 1989-06-30 |
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