JPH0436367U - - Google Patents
Info
- Publication number
- JPH0436367U JPH0436367U JP7663290U JP7663290U JPH0436367U JP H0436367 U JPH0436367 U JP H0436367U JP 7663290 U JP7663290 U JP 7663290U JP 7663290 U JP7663290 U JP 7663290U JP H0436367 U JPH0436367 U JP H0436367U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output terminal
- variable resistor
- resistor
- end connected
- 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 4
Landscapes
- Facsimile Image Signal Circuits (AREA)
Description
第１図は本考案による画像読取り装置用調整回
路の一実施例を示す概略ブロツク図、第２図は第
１図の実施例による出力信号を示す特性図である
。第３図は従来の画像読取り装置の一例を示す概
略図、第４図は第３図の画像読取り装置の出力信
号を示す特性図である。
１０……画像読取り装置用調整回路、１１……
イメージセンサー、１２……アンプ、１３……可
変抵抗、１４……固定抵抗、１５……出力端子。
FIG. 1 is a schematic block diagram showing an embodiment of an adjustment circuit for an image reading device according to the present invention, and FIG. 2 is a characteristic diagram showing an output signal according to the embodiment of FIG. FIG. 3 is a schematic diagram showing an example of a conventional image reading device, and FIG. 4 is a characteristic diagram showing an output signal of the image reading device shown in FIG. 10... Adjustment circuit for image reading device, 11...
Image sensor, 12...Amplifier, 13...Variable resistor, 14...Fixed resistor, 15...Output terminal.
Claims (1)
の出力信号が入力されるアンプと、該アンプの出
力端子に一端が接続された可変抵抗と、定電圧電
源に一端が接続された固定抵抗と、該可変抵抗及
び該固定抵抗の他端に接続された外部出力端子と
から構成されていることを特徴とする画像読取り
装置用調整回路。 an amplifier to which an output signal of a light receiving device that receives light reflected from the surface of a document is input; a variable resistor having one end connected to the output terminal of the amplifier; and a fixed resistor having one end connected to a constant voltage power supply. , an adjustment circuit for an image reading device, comprising: the variable resistor; and an external output terminal connected to the other end of the fixed resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7663290U JPH0436367U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7663290U JPH0436367U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436367U true JPH0436367U (en) | 1992-03-26 |
Family
ID=31618279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7663290U Pending JPH0436367U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436367U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108668A (en) * | 1985-11-06 | 1987-05-19 | Fuji Photo Film Co Ltd | Detection of picture information of storage-type image sensor |
-
1990
- 1990-07-20 JP JP7663290U patent/JPH0436367U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108668A (en) * | 1985-11-06 | 1987-05-19 | Fuji Photo Film Co Ltd | Detection of picture information of storage-type image sensor |
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