JPH0181070U - - Google Patents
Info
- Publication number
- JPH0181070U JPH0181070U JP1987175750U JP17575087U JPH0181070U JP H0181070 U JPH0181070 U JP H0181070U JP 1987175750 U JP1987175750 U JP 1987175750U JP 17575087 U JP17575087 U JP 17575087U JP H0181070 U JPH0181070 U JP H0181070U
- Authority
- JP
- Japan
- Prior art keywords
- correction value
- value
- reads
- solid
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Facsimile Scanning Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Description
第１図は本考案の一実施例における画像読取装
置を示すブロツク図、第２図は従来の画像読取装
置を示すブロツク図である。
１…固体撮像素子、８…メモリ、９…制御回路
（読出し回路）、１０…ＣＰＵ（演算回路）、１
１…メモリ、１２…加算回路。
FIG. 1 is a block diagram showing an image reading device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional image reading device. 1...Solid-state image sensor, 8...Memory, 9...Control circuit (readout circuit), 10...CPU (arithmetic circuit), 1
1...Memory, 12...Addition circuit.
Claims (1)
取る画像読取装置において、前記固体撮像素子の
暗電流をリアルタイムに読取りその値から補正値
を算出する演算回路と、前記演算回路により算出
された補正値を記憶するためのメモリと、前記メ
モリに記憶された値を読出すための読出し回路と
、前記読出し回路によつて読出された補正値を前
記画像信号に補正値として加算するための加算回
路とを具備してなることを特徴とする画像読取装
置。 An image reading device that reads an image as an image signal by a solid-state image sensor includes an arithmetic circuit that reads the dark current of the solid-state image sensor in real time and calculates a correction value from the value, and a calculation circuit that reads the dark current of the solid-state image sensor in real time and calculates a correction value from the value. A memory for storing, a readout circuit for reading out the value stored in the memory, and an addition circuit for adding the correction value read by the readout circuit to the image signal as a correction value. An image reading device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175750U JPH0181070U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175750U JPH0181070U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181070U true JPH0181070U (en) | 1989-05-31 |
Family
ID=31467532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175750U Pending JPH0181070U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181070U (en) |
-
1987
- 1987-11-19 JP JP1987175750U patent/JPH0181070U/ja active Pending