JPS63129374U - - Google Patents
Info
- Publication number
- JPS63129374U JPS63129374U JP2098887U JP2098887U JPS63129374U JP S63129374 U JPS63129374 U JP S63129374U JP 2098887 U JP2098887 U JP 2098887U JP 2098887 U JP2098887 U JP 2098887U JP S63129374 U JPS63129374 U JP S63129374U
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- light amount
- document surface
- light
- photoelectric conversion
- 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 2
- 230000005611 electricity Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は従来の装置を示すブロツク図。
１は光源、２は原稿面、３はレンズ（一般的に
は光学系）、４は蓄積形イメージセンサ、５はイ
メージセンサ読取り機構、６は光量測定機構、７
は制御機構。尚、各図中同一符号は同一又は相当
部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional device. 1 is a light source, 2 is a document surface, 3 is a lens (generally an optical system), 4 is a storage type image sensor, 5 is an image sensor reading mechanism, 6 is a light amount measuring mechanism, 7
is a control mechanism. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
する光源と、上記原稿面の各部の反射光の強さを
電気量に変換する蓄積形イメージセンサと、この
蓄積形イメージセンサの電気量を順次読出すイメ
ージセンサ読取り機構とを備えた光電変換装置に
おいて、 上記光源の光量を測定する光量測定機構、 この光量測定機構により測定した光量に従い、
上記イメージセンサ読取り機構が上記蓄積形イメ
ージセンサを読取る周期を変化し、上記蓄積形イ
メージセンサが飽和状態にも感度不足状態にもな
らないように制御する制御機構を備えたことを特
徴とする光電変換装置。[Scope of Claim for Utility Model Registration] A document surface on which information is written, a light source that illuminates this document surface, an accumulative image sensor that converts the intensity of reflected light from each part of the document surface into an electrical quantity, and this In a photoelectric conversion device equipped with an image sensor reading mechanism that sequentially reads out the amount of electricity of the storage image sensor, a light amount measuring mechanism that measures the light amount of the light source, and according to the light amount measured by the light amount measuring mechanism,
Photoelectric conversion characterized by comprising a control mechanism that changes the period at which the image sensor reading mechanism reads the storage type image sensor and controls the storage type image sensor so that it does not reach a saturated state or a state of insufficient sensitivity. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2098887U JPS63129374U (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2098887U JPS63129374U (en) | 1987-02-16 | 1987-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129374U true JPS63129374U (en) | 1988-08-24 |
Family
ID=30817013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2098887U Pending JPS63129374U (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129374U (en) |
-
1987
- 1987-02-16 JP JP2098887U patent/JPS63129374U/ja active Pending
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