JPS63157609U - - Google Patents
Info
- Publication number
- JPS63157609U JPS63157609U JP4990987U JP4990987U JPS63157609U JP S63157609 U JPS63157609 U JP S63157609U JP 4990987 U JP4990987 U JP 4990987U JP 4990987 U JP4990987 U JP 4990987U JP S63157609 U JPS63157609 U JP S63157609U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical sensor
- emitting means
- receiving means
- guiding member
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案に係る光学センサの一実施例を示す斜
視図、第３図は第２図における方向矢視図、第
４図は当該光学センサを複写機の原稿濃度検出に
適用した場合のセンサ取付け状態を示す図、第５
図は原稿濃度検出に際して導光部材内を伝搬する
光の状態を示す図、第６図は当該光学センサでの
検出光量と原稿濃度との関係を示す特性図、第７
図は当該光学センサでの検出光量と制御現像バイ
アスとの関係を示す特性図、第８図は導光部材の
他の構造例を示す図、第９図は発光素子、受光素
子の他の取付け位置の例を示す図である。
［符号の説明］、１……光透過面、２……光反
射面、３，１１……導光部材、４……発光手段、
５……受光手段、１０……光学センサ、１２……
上面、１４……下面、２０……発光素子、２２…
…受光素子。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a perspective view showing an embodiment of the optical sensor according to the present invention, FIG. 3 is a view taken in the direction of the arrow in FIG. 2, and FIG. 4 is a sensor when the optical sensor is applied to document density detection in a copying machine. Diagram showing the installation state, No. 5
The figure shows the state of light propagating within the light guide member when detecting the density of the original. Figure 6 is a characteristic diagram showing the relationship between the amount of light detected by the optical sensor and the density of the original.
The figure is a characteristic diagram showing the relationship between the amount of light detected by the optical sensor and the control developing bias, Figure 8 is a diagram showing another example of the structure of the light guiding member, and Figure 9 is another example of mounting the light emitting element and light receiving element. It is a figure which shows the example of a position. [Explanation of symbols] 1... Light transmitting surface, 2... Light reflecting surface, 3, 11... Light guiding member, 4... Light emitting means,
5... Light receiving means, 10... Optical sensor, 12...
Upper surface, 14... Lower surface, 20... Light emitting element, 22...
…Light receiving element.
Claims (1)
面とを有した長尺形状の導光部材と、導光部材内
に光を照射する発光手段と、導光部材を介した光
を受光し、その受光量に応じた情報出力を行なう
受光手段とを備えた光学センサ。 (2) 上記発光手段と受光手段とを、導光部材に
対して発光手段からの照射光が受光手段に直接入
射しない位置関係にて配置したことを特徴とする
実用新案登録請求の範囲第１項記載の光学センサ
。 (3) 導光部材の長手方向一端部に発光手段を、
長手方向他端部に受光手段を夫々配置し、導光部
材の光反射面が、発光手段から受光手段に至る直
接光を遮断する遮光面を有することを特徴とする
実用新案登録請求の範囲第１項記載の光学センサ
。 (4) 導光部材の光反射面を内部に屈曲あるいは
湾曲させることによつて上記遮光面を形成したこ
とを特徴とする実用新案登録請求の範囲第３項記
載の光学センサ。[Claims for Utility Model Registration] (1) An elongated light guiding member having a light transmitting surface and a light reflecting surface opposite to the light transmitting surface, and a light emitting means for irradiating light into the light guiding member. An optical sensor comprising: a light receiving means for receiving light through a light guiding member and outputting information according to the amount of the received light. (2) Utility model registration claim 1, characterized in that the light emitting means and the light receiving means are arranged in a positional relationship with respect to the light guide member such that the irradiated light from the light emitting means does not directly enter the light receiving means. Optical sensor described in section. (3) A light emitting means is provided at one longitudinal end of the light guide member,
Claims No. 1 for registration of a utility model, characterized in that a light receiving means is arranged at the other end in the longitudinal direction, and the light reflecting surface of the light guide member has a light shielding surface that blocks direct light from the light emitting means to the light receiving means. The optical sensor according to item 1. (4) The optical sensor according to claim 3, wherein the light shielding surface is formed by inwardly bending or curving the light reflecting surface of the light guiding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4990987U JPS63157609U (en) | 1987-04-03 | 1987-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4990987U JPS63157609U (en) | 1987-04-03 | 1987-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63157609U true JPS63157609U (en) | 1988-10-17 |
Family
ID=30872798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4990987U Pending JPS63157609U (en) | 1987-04-03 | 1987-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157609U (en) |
-
1987
- 1987-04-03 JP JP4990987U patent/JPS63157609U/ja active Pending
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