JPS62125041U - - Google Patents
Info
- Publication number
- JPS62125041U JPS62125041U JP1986012288U JP1228886U JPS62125041U JP S62125041 U JPS62125041 U JP S62125041U JP 1986012288 U JP1986012288 U JP 1986012288U JP 1228886 U JP1228886 U JP 1228886U JP S62125041 U JPS62125041 U JP S62125041U
- Authority
- JP
- Japan
- Prior art keywords
- intensity
- detecting
- transfer rate
- detection means
- light
- 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 8
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Communication Control (AREA)
- Optical Communication System (AREA)
Description
第１図は本考案の実施例を示す車両側光送受信
装置のブロツク図、第２図は路側光送受信装置の
ブロツク図、第３図及び第４図は第１図に示す主
要なブロツクの出力信号を説明する線図、第５図
は信号光を受信して情報を読み取ることが可能な
最小受光パワーと送信側の転送速度との関係を示
す線図、第６図は路車間で光通信を行う場合の説
明図、第７図は信号の時間的関係を示す波形図、
第８図は本考案の第２実施例を示す車両側光送受
信装置のブロツク図である。
１０…送受光器、１４…送受光器、１６…受光
器、１８…車両側光送受信装置、２０…路側光送
受信装置。
Fig. 1 is a block diagram of a vehicle side optical transceiver device showing an embodiment of the present invention, Fig. 2 is a block diagram of a roadside optical transceiver device, and Figs. 3 and 4 are outputs of the main blocks shown in Fig. 1. A diagram explaining signals. Figure 5 is a diagram showing the relationship between the minimum light receiving power that allows signal light to be received and information can be read and the transmission speed on the transmitting side. Figure 6 is a diagram showing optical communication between road and vehicle. Fig. 7 is a waveform diagram showing the temporal relationship of signals.
FIG. 8 is a block diagram of a vehicle-side optical transmitter/receiver device showing a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 10... Light transmitter/receiver, 14... Light transmitter/receiver, 16... Light receiver, 18... Vehicle side optical transmitter/receiver, 20... Roadside optical transmitter/receiver.
Claims (1)
、受信した信号光の強度を検出する信号光強度検
出手段と、前記両強度に応じて光信号の転送速度
を変化させる転送速度調整手段と、を有すること
を特徴とする光送信装置。 Background light intensity detection means for detecting the intensity of background light, signal light intensity detection means for detecting the intensity of the received signal light, and transfer rate adjustment means for changing the transfer rate of the optical signal according to both of the intensities; An optical transmitter characterized by having:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986012288U JPS62125041U (en) | 1986-01-30 | 1986-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986012288U JPS62125041U (en) | 1986-01-30 | 1986-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125041U true JPS62125041U (en) | 1987-08-08 |
Family
ID=30800276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986012288U Pending JPS62125041U (en) | 1986-01-30 | 1986-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132250A (en) * | 1987-08-20 | 1989-05-24 | Ricoh Co Ltd | Radio facsimile system |
-
1986
- 1986-01-30 JP JP1986012288U patent/JPS62125041U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132250A (en) * | 1987-08-20 | 1989-05-24 | Ricoh Co Ltd | Radio facsimile system |
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