JPS6244520U - - Google Patents
Info
- Publication number
- JPS6244520U JPS6244520U JP13656985U JP13656985U JPS6244520U JP S6244520 U JPS6244520 U JP S6244520U JP 13656985 U JP13656985 U JP 13656985U JP 13656985 U JP13656985 U JP 13656985U JP S6244520 U JPS6244520 U JP S6244520U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- resistor
- light emitting
- emitting diode
- power supply
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案光検出信号の増幅回路の一実施
例を示す接続図、第２図、第３図、第４図、第５
図及び第６図は従来の光検出信号の増幅回路の例
を夫々示す接続図である。
図面における主要な符号の説明、１：発光ダイ
オード、３：フオトトランジスタ、４：トランジ
スタ、５，６，７：抵抗、８：レベル比較器。
Figure 1 is a connection diagram showing an embodiment of the optical detection signal amplification circuit of the present invention, Figures 2, 3, 4, and 5.
6 are connection diagrams showing examples of conventional photodetection signal amplification circuits, respectively. Explanation of main symbols in the drawings: 1: light emitting diode, 3: phototransistor, 4: transistor, 5, 6, 7: resistor, 8: level comparator.
Claims (1)
直列回路が接続され、上記電源端子とトランジス
タのエミツタ間に光半導体素子が接続され、上記
トランジスタのベースと上記抵抗及び上記発光ダ
イオードの接続点とが接続され、上記トランジス
タのコレクタから出力信号を取り出すようにした
ことを特徴とする光検出信号の増幅回路。 A series circuit of a resistor and a light emitting diode is connected between the power supply terminal and ground, an optical semiconductor element is connected between the power supply terminal and the emitter of the transistor, and a base of the transistor is connected to a connection point of the resistor and the light emitting diode. An amplification circuit for a photodetection signal, characterized in that the output signal is extracted from the collector of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13656985U JPH0418248Y2 (en) | 1985-09-06 | 1985-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13656985U JPH0418248Y2 (en) | 1985-09-06 | 1985-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6244520U true JPS6244520U (en) | 1987-03-18 |
| JPH0418248Y2 JPH0418248Y2 (en) | 1992-04-23 |
Family
ID=31039805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13656985U Expired JPH0418248Y2 (en) | 1985-09-06 | 1985-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418248Y2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01100520U (en) * | 1987-12-24 | 1989-07-06 | ||
| JPH01144831U (en) * | 1988-03-30 | 1989-10-04 | ||
| JPH02280008A (en) * | 1989-04-21 | 1990-11-16 | Canon Inc | Optical sensor circuit |
| JPH09172329A (en) * | 1995-12-20 | 1997-06-30 | Fujitsu Ltd | Current voltage conversion circuit and photoelectric converter |
| JP2005308434A (en) * | 2004-04-19 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Encoder pulse detection circuit |
| JP6420017B1 (en) * | 2018-06-20 | 2018-11-07 | 小倉 将希 | High voltage output amplifier |
-
1985
- 1985-09-06 JP JP13656985U patent/JPH0418248Y2/ja not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01100520U (en) * | 1987-12-24 | 1989-07-06 | ||
| JPH01144831U (en) * | 1988-03-30 | 1989-10-04 | ||
| JPH02280008A (en) * | 1989-04-21 | 1990-11-16 | Canon Inc | Optical sensor circuit |
| JPH09172329A (en) * | 1995-12-20 | 1997-06-30 | Fujitsu Ltd | Current voltage conversion circuit and photoelectric converter |
| JP2005308434A (en) * | 2004-04-19 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Encoder pulse detection circuit |
| JP6420017B1 (en) * | 2018-06-20 | 2018-11-07 | 小倉 将希 | High voltage output amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0418248Y2 (en) | 1992-04-23 |