JPS6431459U - - Google Patents
Info
- Publication number
- JPS6431459U JPS6431459U JP12538487U JP12538487U JPS6431459U JP S6431459 U JPS6431459 U JP S6431459U JP 12538487 U JP12538487 U JP 12538487U JP 12538487 U JP12538487 U JP 12538487U JP S6431459 U JPS6431459 U JP S6431459U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lens part
- light receiving
- emitting element
- integrated
- 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 10
- 238000010586 diagram Methods 0.000 description 3
Description
第1図はこの考案の光学読取装置の実施例を示
す断面図、第2図は第1図の一体化集束レンズ5
0をそれと等価な3個のレンズ部で構成した場合
の光学系の説明に供するための図、第3図は第1
図、第2図において、試料に照射された光の作る
スポツト3aと第2レンズの全域に入射する光の
発生源となるべき試料上の光のスポツト3bとの
重なり状況を説明するための図、第4図は受発光
素子10と普通の集光レンズ40とで作る光学系
の説明に供するための図、第5図及び第6図はそ
れぞれ第1図の受発光素子10の一例を示すため
の斜視図及び断面図、第7図は従来の光学読取装
置の一例を示す断面図、第8図は従来の光学読取
装置の他の例を示す断面図である。
FIG. 1 is a sectional view showing an embodiment of the optical reading device of this invention, and FIG. 2 is a sectional view showing the integrated focusing lens 5 of FIG. 1.
3 is a diagram for explaining the optical system when 0 is composed of three equivalent lens parts.
2 is a diagram for explaining the overlapping situation between the spot 3a created by the light irradiated on the sample and the light spot 3b on the sample which is the source of the light incident on the entire area of the second lens. , FIG. 4 is a diagram for explaining an optical system made up of a light receiving/emitting element 10 and an ordinary condensing lens 40, and FIGS. 5 and 6 each show an example of the light receiving/emitting element 10 shown in FIG. 1. 7 is a sectional view showing an example of a conventional optical reading device, and FIG. 8 is a sectional view showing another example of a conventional optical reading device.
Claims (1)
子が一体化され、それぞれの素子に光を絞る第1
、第2レンズが一体に設けられた受発光素子と、 その受発光素子と対向して上記ケース内に設け
られ、第1レンズ部、第2レンズ部、第3レンズ
部が一体化され、第1レンズ部の光軸は上記第1
、第2レンズの光軸の中心上にあり、第2レンズ
部、第3レンズ部の各光軸は第1レンズ部の光軸
に対し互に反対方向にずらされた一体化集束レン
ズと、を具備する光学読取装置。[Claims for Utility Model Registration] A case, and a first device housed within the case, in which an emitting element and a light receiving element are integrated, and which focuses light on each element.
, a light receiving/emitting element integrally provided with a second lens; a light receiving/emitting element provided in the case facing the light receiving/emitting element, the first lens part, the second lens part, and the third lens part being integrated; The optical axis of the first lens section is
, an integrated focusing lens located on the center of the optical axis of the second lens, and in which the optical axes of the second lens part and the third lens part are shifted in opposite directions with respect to the optical axis of the first lens part; An optical reading device comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12538487U JPS6431459U (en) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12538487U JPS6431459U (en) | 1987-08-17 | 1987-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6431459U true JPS6431459U (en) | 1989-02-27 |
Family
ID=31375946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12538487U Pending JPS6431459U (en) | 1987-08-17 | 1987-08-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6431459U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6171681A (en) * | 1984-09-17 | 1986-04-12 | Sharp Corp | Light emitting device with light receiving element |
JPS61224082A (en) * | 1985-03-28 | 1986-10-04 | ポラロイド コーポレーシヨン | Optical scanner |
-
1987
- 1987-08-17 JP JP12538487U patent/JPS6431459U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6171681A (en) * | 1984-09-17 | 1986-04-12 | Sharp Corp | Light emitting device with light receiving element |
JPS61224082A (en) * | 1985-03-28 | 1986-10-04 | ポラロイド コーポレーシヨン | Optical scanner |
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