JPH02150526U - - Google Patents
Info
- Publication number
- JPH02150526U JPH02150526U JP6047689U JP6047689U JPH02150526U JP H02150526 U JPH02150526 U JP H02150526U JP 6047689 U JP6047689 U JP 6047689U JP 6047689 U JP6047689 U JP 6047689U JP H02150526 U JPH02150526 U JP H02150526U
- Authority
- JP
- Japan
- Prior art keywords
- conversion means
- photoelectric conversion
- light amount
- amount measuring
- measuring circuit
- 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
- 238000006243 chemical reaction Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は本考案を実施した光量測定回路を示す
回路図である。第２図は従来例の回路図である。
１０１……フオトダイオード、１０２……補償
用ダイオード、１０３……差動増幅回路、１０４
……帰還抵抗。
FIG. 1 is a circuit diagram showing a light amount measuring circuit implementing the present invention. FIG. 2 is a circuit diagram of a conventional example. 101...Photodiode, 102...Compensation diode, 103...Differential amplifier circuit, 104
...Return resistance.
Claims (1)
電圧に変換する電流電圧変換手段とから成る光量
測定回路において、前記光電変換手段に並列で且
つ逆極性に接続された補償用光電変換手段を設け
たことを特徴とする光量測定回路。 In a light amount measuring circuit comprising a photoelectric conversion means and a current-voltage conversion means for converting an output current of the photoelectric conversion means into voltage, a compensating photoelectric conversion means is provided in parallel with the photoelectric conversion means and connected with opposite polarity. A light amount measuring circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6047689U JPH02150526U (en) | 1989-05-25 | 1989-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6047689U JPH02150526U (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150526U true JPH02150526U (en) | 1990-12-26 |
Family
ID=31587873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6047689U Pending JPH02150526U (en) | 1989-05-25 | 1989-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150526U (en) |
-
1989
- 1989-05-25 JP JP6047689U patent/JPH02150526U/ja active Pending