JPH01103935U - - Google Patents
Info
- Publication number
- JPH01103935U JPH01103935U JP1987198092U JP19809287U JPH01103935U JP H01103935 U JPH01103935 U JP H01103935U JP 1987198092 U JP1987198092 U JP 1987198092U JP 19809287 U JP19809287 U JP 19809287U JP H01103935 U JPH01103935 U JP H01103935U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light beam
- optical system
- light emitter
- emitter
- 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 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は路車間通信の概略図、第２図は送光器
の断面図である。
１６……送光器、２０……半導体レーザ、２２
……凸レンズ、２４……電気光学結晶、２６，２
７……電極。
FIG. 1 is a schematic diagram of road-to-vehicle communication, and FIG. 2 is a sectional view of a light transmitter. 16... Light transmitter, 20... Semiconductor laser, 22
... Convex lens, 24 ... Electro-optic crystal, 26,2
7... Electrode.
Claims (1)
とりを行なう光通信に用いられる送光器であつて
、情報伝達用光ビームを発射する発光器と、前記
発光器から発射される光ビームを所定角度のビー
ム幅とする光学系と、発光器と光学系との間に配
設され前記光ビームを印加電圧に応じて偏光させ
光学系での光ビームの屈折率を変化させることに
より前記光ビームのビーム幅の角度を変化させる
偏光手段と、を有する光通信用送光器。 A light transmitter used for optical communication in which information is exchanged by a light beam between two separated points, which includes a light emitter that emits a light beam for information transmission, and a light beam emitted from the light emitter at a predetermined level. an optical system that polarizes the light beam according to an applied voltage and changes the refractive index of the light beam in the optical system, which is arranged between the light emitter and the optical system; A light transmitter for optical communication, comprising: polarizing means for changing the beam width angle of the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987198092U JPH01103935U (en) | 1987-12-26 | 1987-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987198092U JPH01103935U (en) | 1987-12-26 | 1987-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103935U true JPH01103935U (en) | 1989-07-13 |
Family
ID=31488616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987198092U Pending JPH01103935U (en) | 1987-12-26 | 1987-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103935U (en) |
-
1987
- 1987-12-26 JP JP1987198092U patent/JPH01103935U/ja active Pending
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