JPS62181051U - - Google Patents
Info
- Publication number
- JPS62181051U JPS62181051U JP1986067637U JP6763786U JPS62181051U JP S62181051 U JPS62181051 U JP S62181051U JP 1986067637 U JP1986067637 U JP 1986067637U JP 6763786 U JP6763786 U JP 6763786U JP S62181051 U JPS62181051 U JP S62181051U
- Authority
- JP
- Japan
- Prior art keywords
- level
- operating level
- operating
- light emitting
- turns
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000004092 self-diagnosis Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 4
- 239000003086 colorant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Communication System (AREA)
Description
第１図はこの考案における光空間伝送装置の自
己診断装置の一実施例を示すブロツク回路図、第
２図は受光部の受光量、レベル検出器の出力およ
び発光素子の動作関係を示す動作説明図である。
１……受光部、２……増幅器、３……レベル検
出器、４……出力回路、５……第１の発光素子、
６……第２の発光素子、７……投光部。
Fig. 1 is a block circuit diagram showing one embodiment of the self-diagnosis device for the optical space transmission device in this invention, and Fig. 2 is an operational explanation showing the amount of light received by the light receiving section, the output of the level detector, and the operational relationship of the light emitting element. It is a diagram. DESCRIPTION OF SYMBOLS 1... Light receiving part, 2... Amplifier, 3... Level detector, 4... Output circuit, 5... First light emitting element,
6... Second light emitting element, 7... Light projecting section.
Claims (1)
と、この増幅器の出力端に接続され、第１、第２
の動作レベルを有するレベル検出器と、このレベ
ル検出器の出力端に接続され、かつこのレベル検
出器の動作レベルが第１の動作レベル以上である
ときにオフするとともに第１の動作レベルよりも
減少したときにオンし、さらに第２の動作レベル
以下に減少したときにオフする出力回路と、上記
レベル検出器の動作レベルが第１の動作レベル以
上であるときに動作する第１の発光素子、および
上記レベル検出器の動作レベルが第１の動作レベ
ルよりも減少したときに動作する第２の発光素子
を備え、上記第１および第２の発光素子はたがい
に異なる発光色を有するとともに上記レベル検出
器の動作レベルが第２の動作レベル以下に減少し
たときにともに消灯するようにした光空間伝送装
置の自己診断装置。 a light receiving section, an amplifier for amplifying the output of the light receiving section, and a first and a second
a level detector having an operating level of an output circuit that turns on when the level decreases and turns off when the level decreases below a second operating level; and a first light emitting element that operates when the operating level of the level detector is equal to or higher than the first operating level. , and a second light emitting element that operates when the operating level of the level detector decreases below the first operating level, the first and second light emitting elements having different emission colors, and the above-mentioned A self-diagnosis device for an optical space transmission device, which turns off both lights when the operating level of a level detector decreases below a second operating level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986067637U JPS62181051U (en) | 1986-05-07 | 1986-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986067637U JPS62181051U (en) | 1986-05-07 | 1986-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62181051U true JPS62181051U (en) | 1987-11-17 |
Family
ID=30906723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986067637U Pending JPS62181051U (en) | 1986-05-07 | 1986-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62181051U (en) |
-
1986
- 1986-05-07 JP JP1986067637U patent/JPS62181051U/ja active Pending
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