JPS61206345U - - Google Patents
Info
- Publication number
- JPS61206345U JPS61206345U JP1985089118U JP8911885U JPS61206345U JP S61206345 U JPS61206345 U JP S61206345U JP 1985089118 U JP1985089118 U JP 1985089118U JP 8911885 U JP8911885 U JP 8911885U JP S61206345 U JPS61206345 U JP S61206345U
- Authority
- JP
- Japan
- Prior art keywords
- data link
- light receiving
- link device
- receiving element
- cylindrical body
- 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
- 230000005684 electric field Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例を示す概略断面図、
第２図は上記実施例に用いる円筒内の電界状態を
示す一部省略断面図、第３図は上記実施例におけ
る円筒内の電界モードを示す断面図、第４図及び
第５図は本考案の他の実施例を示す断面図、第６
図は従来の光無線データリンク装置を用いた光伝
送システムの概略説明図でる。
１…光無線データリンク装置の本体、２…受光
素子、３…受信回路、４…筒体、４ａ…筒体の一
端、４ｂ…筒体の他端、ａ…光信号、Ｃ…外来の
高周波電波。
FIG. 1 is a schematic sectional view showing an embodiment of the present invention;
Fig. 2 is a partially omitted sectional view showing the electric field state inside the cylinder used in the above embodiment, Fig. 3 is a sectional view showing the electric field mode inside the cylinder in the above embodiment, and Figs. 4 and 5 are the present invention. 6th sectional view showing another embodiment of
The figure is a schematic explanatory diagram of an optical transmission system using a conventional optical wireless data link device. DESCRIPTION OF SYMBOLS 1... Main body of optical wireless data link device, 2... Light receiving element, 3... Receiving circuit, 4... Cylinder, 4a... One end of the cylinder, 4b... Other end of the cylinder, a... Optical signal, C... External high frequency Radio waves.
Claims (1)
、該受光素子に入力した光信号を電気信号に変換
する受信回路を具備して成る光無線データリンク
装置において、前記データリンク装置の本体に、
一端から光信号が入射し前記受光素子の位置に他
端が位置する筒体が設けられており、前記筒体が
導電性を有する部材により導波管状に形成され、
該筒体の遮蔽波長の設定値が外来の高周波電波の
空間波長より小さくされていることを特徴とする
光無線データリンク装置。 In an optical wireless data link device comprising a light receiving element that receives an optical signal radiated into space and a receiving circuit that converts the optical signal input to the light receiving element into an electrical signal, a main body of the data link device includes:
A cylindrical body is provided, into which an optical signal enters from one end and the other end is located at the position of the light receiving element, and the cylindrical body is formed in the shape of a waveguide from a conductive member,
An optical wireless data link device characterized in that a set value of a shielding wavelength of the cylindrical body is set smaller than a spatial wavelength of an external high-frequency radio wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985089118U JPS61206345U (en) | 1985-06-13 | 1985-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985089118U JPS61206345U (en) | 1985-06-13 | 1985-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61206345U true JPS61206345U (en) | 1986-12-26 |
Family
ID=30642888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985089118U Pending JPS61206345U (en) | 1985-06-13 | 1985-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61206345U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730378A (en) * | 1980-07-29 | 1982-02-18 | Fujitsu Ltd | Semiconductor photodetector |
-
1985
- 1985-06-13 JP JP1985089118U patent/JPS61206345U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730378A (en) * | 1980-07-29 | 1982-02-18 | Fujitsu Ltd | Semiconductor photodetector |
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