JPS5942661U - Semiconductor light emitting device drive device - Google Patents
Semiconductor light emitting device drive deviceInfo
- Publication number
- JPS5942661U JPS5942661U JP1982137320U JP13732082U JPS5942661U JP S5942661 U JPS5942661 U JP S5942661U JP 1982137320 U JP1982137320 U JP 1982137320U JP 13732082 U JP13732082 U JP 13732082U JP S5942661 U JPS5942661 U JP S5942661U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- semiconductor light
- emitting device
- drive device
- device drive
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図はこの考案の第1の実施例を示す回路図、第2図
はこの実施例の動作を説明するためのパルス波形を示す
図、第3図はこの考案の第2の実施例を示す回路図であ
る。
1.10・・・・・・バイポーラトランジスタ、2・・
・・・・半導体レーザ、3. 5. 8. 11. 1
3・・・・・・抵抗器、6・・・・・・コンデンサ、7
・・曲コイル、4,9゜12・・・・・・端子。Fig. 1 is a circuit diagram showing a first embodiment of this invention, Fig. 2 is a diagram showing pulse waveforms to explain the operation of this embodiment, and Fig. 3 is a diagram showing a second embodiment of this invention. FIG. 1.10... Bipolar transistor, 2...
... Semiconductor laser, 3. 5. 8. 11. 1
3...Resistor, 6...Capacitor, 7
...Bent coil, 4,9°12...terminal.
Claims (1)
レクタが、抵抗器とこれに並列接続したコンデンサとか
らなる回路を介して、前記半導体発光素子の駆動電流入
力端子に接続しであることを特徴とする半導体発光素子
駆動装置。The collector of the transistor that supplies the drive current to the semiconductor light emitting element is connected to the drive current input terminal of the semiconductor light emitting element through a circuit consisting of a resistor and a capacitor connected in parallel to the resistor. Semiconductor light emitting device drive device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982137320U JPS5942661U (en) | 1982-09-10 | 1982-09-10 | Semiconductor light emitting device drive device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982137320U JPS5942661U (en) | 1982-09-10 | 1982-09-10 | Semiconductor light emitting device drive device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5942661U true JPS5942661U (en) | 1984-03-19 |
Family
ID=30308478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1982137320U Pending JPS5942661U (en) | 1982-09-10 | 1982-09-10 | Semiconductor light emitting device drive device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5942661U (en) |
-
1982
- 1982-09-10 JP JP1982137320U patent/JPS5942661U/en active Pending
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