JPS62140371U - - Google Patents
Info
- Publication number
- JPS62140371U JPS62140371U JP1986025553U JP2555386U JPS62140371U JP S62140371 U JPS62140371 U JP S62140371U JP 1986025553 U JP1986025553 U JP 1986025553U JP 2555386 U JP2555386 U JP 2555386U JP S62140371 U JPS62140371 U JP S62140371U
- Authority
- JP
- Japan
- Prior art keywords
- light
- diode
- optical fiber
- test
- judgment
- 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
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
ａ，ｂは従来例を示す構成図である。
１ａ……試験用発光ダイオード、１ｂ……試験
用受光ダイオード、２……光フアイバー、３……
判定用発光ダイオード、４……判定用受光ダイオ
ード、５……定電流源、６……光電流―電圧変換
器、７ａ，７ｂ……ＰＤ判定用水銀リレー、８ａ
，８ｂ……ＬＥＤ判定用水銀リレー、９……コン
パレータ、１３……設置部。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIGS. 2a and 2 b are block diagrams showing a conventional example. 1a... Light emitting diode for testing, 1b... Light receiving diode for testing, 2... Optical fiber, 3...
Light emitting diode for judgment, 4... Light receiving diode for judgment, 5... Constant current source, 6... Photocurrent-voltage converter, 7a, 7b... Mercury relay for PD judgment, 8a
, 8b...Mercury relay for LED determination, 9...Comparator, 13...Installation part.
Claims (1)
部を形成し、該設置部の試験用発光ダイオードか
ら発光された光信号を光フアイバーに通して受光
させる判定用受光ダイオードと、設置部の試験用
受光ダイオードに光フアイバーを通して受光され
る光信号を発光させる判定用発光ダイオードとを
組にしてこれを光フアイバーの他端に設置し、さ
らに定電流源を試験用発光ダイオード、或いは判
定用発光ダイオードに切替えて接続する第１の切
替回路と、極性判定部を判定用受光ダイオード、
或いは試験用受光ダイオードに切替えて接続する
第２の切替回路とを有することを特徴とする発光
・受光ダイオード極性判別器。 A test diode installation part is formed at one end of the optical fiber, and a judgment light receiving diode that receives an optical signal emitted from the test light emitting diode in the installation part through the optical fiber; and a test light receiving diode in the installation part. and a judgment light-emitting diode that emits the light signal received through the optical fiber, and install this at the other end of the optical fiber, and then switch the constant current source to the test light-emitting diode or the judgment light-emitting diode. A first switching circuit to be connected, a light receiving diode for determining the polarity determining section,
Alternatively, a light-emitting/light-receiving diode polarity discriminator comprising a second switching circuit that switches and connects to the test light-receiving diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986025553U JPS62140371U (en) | 1986-02-24 | 1986-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986025553U JPS62140371U (en) | 1986-02-24 | 1986-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140371U true JPS62140371U (en) | 1987-09-04 |
Family
ID=30825813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986025553U Pending JPS62140371U (en) | 1986-02-24 | 1986-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019507953A (en) * | 2016-02-11 | 2019-03-22 | ツェットカーヴェー グループ ゲーエムベーハー | Method and ICT apparatus for inspecting a module of a lighting device comprising at least two LEDs |
-
1986
- 1986-02-24 JP JP1986025553U patent/JPS62140371U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019507953A (en) * | 2016-02-11 | 2019-03-22 | ツェットカーヴェー グループ ゲーエムベーハー | Method and ICT apparatus for inspecting a module of a lighting device comprising at least two LEDs |
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