JPS633642U - - Google Patents
Info
- Publication number
- JPS633642U JPS633642U JP1986095191U JP9519186U JPS633642U JP S633642 U JPS633642 U JP S633642U JP 1986095191 U JP1986095191 U JP 1986095191U JP 9519186 U JP9519186 U JP 9519186U JP S633642 U JPS633642 U JP S633642U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- receiving element
- opening
- receiving device
- conductive material
- 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
- 239000004020 conductor Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例の受光装置１の構造
を示す断面図、第２図は本考案の他の実施例の構
造を示す断面図、第３図は本考案のさらに他の実
施例の構造を示す断面図、第４図は受光素子１１
の構造を示す斜視図、第５図は信号検出回路の電
気回路図、第６図は従来技術による受光装置の構
造を示す断面図である。
１……受光装置、２，１７……ケーシング、３
，１２……ホトダイオード、４，１１……受光素
子、６……内面、７……凹レンズ、８……光路筒
、Ａ……開口部、Ｂ……光通路。
FIG. 1 is a cross-sectional view showing the structure of a light receiving device 1 according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing the structure of another embodiment of the present invention, and FIG. 3 is a further embodiment of the present invention. A sectional view showing the structure of an example, FIG. 4 shows the light receiving element 11
FIG. 5 is an electric circuit diagram of a signal detection circuit, and FIG. 6 is a sectional view showing the structure of a conventional light receiving device. 1... Light receiving device, 2, 17... Casing, 3
, 12... Photodiode, 4, 11... Light receiving element, 6... Inner surface, 7... Concave lens, 8... Optical path tube, A... Opening, B... Optical path.
Claims (1)
部との距離を比較的長くすることによる電磁遮蔽
を行うための導電性材料から成るケーシングとを
含むことを特徴とする受光装置。[Scope of Claim for Utility Model Registration] A casing made of a conductive material that has a light receiving element and an opening facing the light receiving element, and provides electromagnetic shielding by making the distance between the light receiving element and the opening relatively long. A light receiving device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095191U JPS633642U (en) | 1986-06-21 | 1986-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095191U JPS633642U (en) | 1986-06-21 | 1986-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633642U true JPS633642U (en) | 1988-01-11 |
Family
ID=30959463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986095191U Pending JPS633642U (en) | 1986-06-21 | 1986-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633642U (en) |
-
1986
- 1986-06-21 JP JP1986095191U patent/JPS633642U/ja active Pending