JPS62156884U - - Google Patents
Info
- Publication number
- JPS62156884U JPS62156884U JP4481586U JP4481586U JPS62156884U JP S62156884 U JPS62156884 U JP S62156884U JP 4481586 U JP4481586 U JP 4481586U JP 4481586 U JP4481586 U JP 4481586U JP S62156884 U JPS62156884 U JP S62156884U
- Authority
- JP
- Japan
- Prior art keywords
- power
- primary winding
- plug
- voltmeter
- chassis
- 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
- 238000004804 winding Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案の一実施例の構成を示す回路
図、第２図および第３図は第１図の動作を説明す
るための回路図、第４図は従来の装置を説明する
ための回路である。
１……ＶＴＲ本体、２……電源トランスの一次
巻線、４……電源コード、５……電源プラグ、６
……コネクタ、７……直流電源、８……直流電圧
計。
Fig. 1 is a circuit diagram showing the configuration of an embodiment of this invention, Figs. 2 and 3 are circuit diagrams for explaining the operation of Fig. 1, and Fig. 4 is a circuit diagram for explaining the conventional device. It is a circuit. 1... VTR body, 2... Primary winding of power transformer, 4... Power cord, 5... Power plug, 6
... Connector, 7 ... DC power supply, 8 ... DC voltmeter.
Claims (1)
巻線と、 この一次巻線の一端と電気機器のシヤーシとの
間に接続された抵抗素子と、 極性を決定する形状の異なる２つの接続片を有
しそれらがそれぞれ電源コードにより前記一次巻
線の両端に接続されている電源プラグと、 前記接続片に対応する形状を有しそれぞれその
対応する接続片とのみ接続可能な受け部を有した
コネクタと、 このコネクタと２つの受け部間に接続された直
流電源と、 前記直流電源の一方の電極と前記電気機器のシ
ヤーシ間に接続された直流電圧計とを具備し、 前記直流電圧計の測定値により、前記プラグと
前記機器の回路との接続極性を判別するようにし
たことを特徴とする電源プラグの接続極性判別装
置。[Claims for Utility Model Registration] A primary winding of a power transformer provided in the main body of an electrical device, a resistive element connected between one end of this primary winding and the chassis of the electrical device, and a shape that determines polarity. a power plug having two different connecting pieces, each of which is connected to both ends of the primary winding by a power cord, and a power plug having a shape corresponding to the connecting piece, each of which can be connected only to its corresponding connecting piece. a DC power supply connected between the connector and the two reception parts, and a DC voltmeter connected between one electrode of the DC power supply and the chassis of the electric device, A connection polarity determining device for a power plug, characterized in that the connection polarity between the plug and the circuit of the device is determined based on the measured value of the DC voltmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4481586U JPS62156884U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4481586U JPS62156884U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156884U true JPS62156884U (en) | 1987-10-05 |
Family
ID=30862981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4481586U Pending JPS62156884U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156884U (en) |
-
1986
- 1986-03-28 JP JP4481586U patent/JPS62156884U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62156884U (en) | ||
| JPH0463591U (en) | ||
| JPS6273488U (en) | ||
| JPS624160U (en) | ||
| JPH0187256U (en) | ||
| JPS638669U (en) | ||
| JPS6168478U (en) | ||
| JPH046893U (en) | ||
| JPH0476129U (en) | ||
| JPS6262707U (en) | ||
| JPS62109325U (en) | ||
| JPS60131876U (en) | Four terminal resistance measurement cord with short circuit switch | |
| JPS62178724U (en) | ||
| JPH0371530U (en) | ||
| JPS6312175U (en) | ||
| JPS62146970U (en) | ||
| JPH01104683U (en) | ||
| JPS6440068U (en) | ||
| JPS63153741U (en) | ||
| JPS63172078U (en) | ||
| JPS6199386U (en) | ||
| JPH0186399U (en) | ||
| JPS58169573U (en) | triangular connection transformer | |
| JPS6243051U (en) | ||
| JPS6421378U (en) |