JPS6237463U - - Google Patents
Info
- Publication number
- JPS6237463U JPS6237463U JP1985129077U JP12907785U JPS6237463U JP S6237463 U JPS6237463 U JP S6237463U JP 1985129077 U JP1985129077 U JP 1985129077U JP 12907785 U JP12907785 U JP 12907785U JP S6237463 U JPS6237463 U JP S6237463U
- Authority
- JP
- Japan
- Prior art keywords
- reset
- data link
- light emitting
- emitting diode
- generates
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例によるデータリンク
駆動回路の結線図、第２図は従来のデータリンク
駆動回路の結線図である。
１……発光ダイオード、２……駆動用トランジ
スタ、３……トランジスタのエミツタ抵抗、４，
５……ベース電圧設定抵抗、６……波形整形用増
幅器、７，８……増幅器の比較電圧設定抵抗、９
……電圧検出用ＣＭＯＳ ＬＳＩ。
FIG. 1 is a wiring diagram of a data link driving circuit according to an embodiment of the present invention, and FIG. 2 is a wiring diagram of a conventional data link driving circuit. 1...Light emitting diode, 2...Drive transistor, 3...Transistor emitter resistance, 4,
5... Base voltage setting resistor, 6... Waveform shaping amplifier, 7, 8... Amplifier comparison voltage setting resistor, 9
...CMOS LSI for voltage detection.
Claims (1)
生する電圧検出手段を、発光ダイオード駆動用ト
ランジスタとその制御手段との間に挿入してリセ
ツトする構成をそなえたデータリンク駆動回路。 A data link drive circuit comprising a voltage detection means that generates a reset signal below a certain voltage when power is cut off, and is inserted between a light emitting diode drive transistor and its control means to perform a reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129077U JPH0623079Y2 (en) | 1985-08-24 | 1985-08-24 | Data link drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129077U JPH0623079Y2 (en) | 1985-08-24 | 1985-08-24 | Data link drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237463U true JPS6237463U (en) | 1987-03-05 |
| JPH0623079Y2 JPH0623079Y2 (en) | 1994-06-15 |
Family
ID=31025328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985129077U Expired - Lifetime JPH0623079Y2 (en) | 1985-08-24 | 1985-08-24 | Data link drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623079Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5042345U (en) * | 1973-08-11 | 1975-04-28 | ||
| JPS5051512U (en) * | 1973-09-06 | 1975-05-19 |
-
1985
- 1985-08-24 JP JP1985129077U patent/JPH0623079Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5042345U (en) * | 1973-08-11 | 1975-04-28 | ||
| JPS5051512U (en) * | 1973-09-06 | 1975-05-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623079Y2 (en) | 1994-06-15 |
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