JPH02146947U - - Google Patents
Info
- Publication number
- JPH02146947U JPH02146947U JP5684489U JP5684489U JPH02146947U JP H02146947 U JPH02146947 U JP H02146947U JP 5684489 U JP5684489 U JP 5684489U JP 5684489 U JP5684489 U JP 5684489U JP H02146947 U JPH02146947 U JP H02146947U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- battery
- anode
- connector
- connector terminal
- 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 1
Landscapes
- Television Receiver Circuits (AREA)
- Stand-By Power Supply Arrangements (AREA)
Description
図面は本考案に関する電気機器のコネクタ回路
の一実施例を示す回路構成図である。
主要部分を示す図面の符号の説明、１……本体
回路、２……バツクライト電源、２ａ，２ｂ……
一次側コイル、３ａ，３ｂ……コネクタ端子、４
……充電式電池、５……メインスイツチ、６……
ダイオード、７……トランジスタ、９……切替回
路。
The drawing is a circuit configuration diagram showing one embodiment of a connector circuit for an electrical device related to the present invention. Explanation of the symbols in the drawings showing the main parts: 1...Main circuit, 2...Backlight power supply, 2a, 2b...
Primary coil, 3a, 3b...Connector terminal, 4
...Rechargeable battery, 5...Main switch, 6...
Diode, 7...transistor, 9...switching circuit.
Claims (1)
るＡＣアダプタと電池とのいずれかを選択的に使
用可能な電気機器のコネクタ回路において、前記
コネクタ端子の陽極側と電池の陽極との間に、順
方向にダイオードを接続したことを特徴とする電
気機器のコネクタ回路。 (2) 負荷及び負荷用電源を備え、電力供給手段
としてコネクタ端子に接続するＡＣアダプタと電
地とのいずれかを選択的に使用可能な電気機器の
コネクタ回路において、前記コネクタ端子の陽極
側と電池の陽極との間に順方向に接続されたダイ
オードと、ＡＣアダプタと電池のいずれが使用さ
れているかを判別する判別手段と、判別手段の出
力信号に基づきそれぞれの電力供給手段に応じて
前記負荷用電源の電圧レベルを切り替える切替手
段とを備えたことを特徴とする電気機器のコネク
タ回路。[Claims for Utility Model Registration] (1) In a connector circuit for an electrical device that can selectively use either an AC adapter connected to a connector terminal or a battery as a power supply means, the anode side of the connector terminal and the battery. A connector circuit for electrical equipment characterized by having a diode connected in the forward direction between the anode and the anode. (2) In a connector circuit for an electrical device that is equipped with a load and a power supply for the load, and can selectively use either an AC adapter connected to a connector terminal as a power supply means or an electric ground, the anode side of the connector terminal a diode connected in the forward direction between the anode of the battery; a determining means for determining whether the AC adapter or the battery is being used; 1. A connector circuit for electrical equipment, comprising: switching means for switching the voltage level of a load power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5684489U JPH02146947U (en) | 1989-05-16 | 1989-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5684489U JPH02146947U (en) | 1989-05-16 | 1989-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146947U true JPH02146947U (en) | 1990-12-13 |
Family
ID=31581032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5684489U Pending JPH02146947U (en) | 1989-05-16 | 1989-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146947U (en) |
-
1989
- 1989-05-16 JP JP5684489U patent/JPH02146947U/ja active Pending