JPH0197670U - - Google Patents
Info
- Publication number
- JPH0197670U JPH0197670U JP1987193069U JP19306987U JPH0197670U JP H0197670 U JPH0197670 U JP H0197670U JP 1987193069 U JP1987193069 U JP 1987193069U JP 19306987 U JP19306987 U JP 19306987U JP H0197670 U JPH0197670 U JP H0197670U
- Authority
- JP
- Japan
- Prior art keywords
- correction value
- output
- image sensor
- reading device
- temperature sensor
- 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
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は本考案による画像読取り装置の一実施
例を示す回路ブロツク図、第２図は従来の画像処
理回路の一例を示す回路図、第３図は従来の光学
系の一例を示す概略構成図である。
２０…補正部（差動増幅回路）、２２…補正値
生成部（ＲＯＭ）、２６…温度センサ（サーミス
タ）。
FIG. 1 is a circuit block diagram showing an example of an image reading device according to the present invention, FIG. 2 is a circuit diagram showing an example of a conventional image processing circuit, and FIG. 3 is a schematic configuration showing an example of a conventional optical system. It is a diagram. 20... Correction section (differential amplifier circuit), 22... Correction value generation section (ROM), 26... Temperature sensor (thermistor).
Claims (1)
読取り装置において、前記イメージセンサの近傍
に配置される温度センサと、この温度センサの出
力に基づいて補正値を生成する補正値生成部と、
この補正値生成部から出力される補正値に基づい
て前記イメージセンサの出力を補正する補正部と
を備えたことを特徴とする画像読取り装置。 In an image reading device that performs an imaging operation using an image sensor, a temperature sensor disposed near the image sensor; a correction value generation unit that generates a correction value based on the output of the temperature sensor;
An image reading device comprising: a correction section that corrects the output of the image sensor based on the correction value output from the correction value generation section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193069U JPH0197670U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193069U JPH0197670U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197670U true JPH0197670U (en) | 1989-06-29 |
Family
ID=31483889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987193069U Pending JPH0197670U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197670U (en) |
-
1987
- 1987-12-18 JP JP1987193069U patent/JPH0197670U/ja active Pending