JPH0191361U - - Google Patents
Info
- Publication number
- JPH0191361U JPH0191361U JP18633687U JP18633687U JPH0191361U JP H0191361 U JPH0191361 U JP H0191361U JP 18633687 U JP18633687 U JP 18633687U JP 18633687 U JP18633687 U JP 18633687U JP H0191361 U JPH0191361 U JP H0191361U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diodes
- resistor
- telephone line
- polarity
- 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
- 239000003086 colorant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は、本考案の一実施例の回路構成図、第
２図は、本考案の電話線の極性判別用品の外観図
である。 １…発光ダイオード（赤）、２…発光ダイオー
ド（青）、３…抵抗器Ａ、４…抵抗器Ｂ、５…探
索ピンＡ、６…探索ピンＢ、７…電話線Ｌ１、８
…電話線Ｌ２、９…発光部、１０…ケース、１１
…キヤツプ。
２図は、本考案の電話線の極性判別用品の外観図
である。 １…発光ダイオード（赤）、２…発光ダイオー
ド（青）、３…抵抗器Ａ、４…抵抗器Ｂ、５…探
索ピンＡ、６…探索ピンＢ、７…電話線Ｌ１、８
…電話線Ｌ２、９…発光部、１０…ケース、１１
…キヤツプ。
Claims (1)
- 互いに異なる色を発光する２個の発光ダイオー
ドと、該２個の発光ダイオードに、それぞれ直列
接続された抵抗器とからなり、該抵抗器の端部が
電話線に接続するための探索ピンとなつているこ
とを特徴とする電話線の極性判別用品。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18633687U JPH0191361U (ja) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18633687U JPH0191361U (ja) | 1987-12-09 | 1987-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191361U true JPH0191361U (ja) | 1989-06-15 |
Family
ID=31477567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18633687U Pending JPH0191361U (ja) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191361U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531424U (ja) * | 1991-09-30 | 1993-04-23 | 中部通信建設株式会社 | 電話ケーブル心線対照器具 |
-
1987
- 1987-12-09 JP JP18633687U patent/JPH0191361U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531424U (ja) * | 1991-09-30 | 1993-04-23 | 中部通信建設株式会社 | 電話ケーブル心線対照器具 |