JPS5942661U - Semiconductor light emitting device drive device - Google Patents

Semiconductor light emitting device drive device

Info

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
Application number
JP1982137320U
Other languages
Japanese (ja)
Inventor
峰村 孝一
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP1982137320U priority Critical patent/JPS5942661U/en
Publication of JPS5942661U publication Critical patent/JPS5942661U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 半導体発光素子に駆動電流を供給するトランジスタのコ
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.
JP1982137320U 1982-09-10 1982-09-10 Semiconductor light emitting device drive device Pending JPS5942661U (en)

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)

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