JPH043139B2 - - Google Patents
Info
- Publication number
- JPH043139B2 JPH043139B2 JP56173007A JP17300781A JPH043139B2 JP H043139 B2 JPH043139 B2 JP H043139B2 JP 56173007 A JP56173007 A JP 56173007A JP 17300781 A JP17300781 A JP 17300781A JP H043139 B2 JPH043139 B2 JP H043139B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- transmission
- signal
- light emitting
- transceiver
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 79
- 238000004891 communication Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1149—Arrangements for indoor wireless networking of information
Landscapes
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56173007A JPS5875337A (ja) | 1981-10-30 | 1981-10-30 | データ通信システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56173007A JPS5875337A (ja) | 1981-10-30 | 1981-10-30 | データ通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5875337A JPS5875337A (ja) | 1983-05-07 |
JPH043139B2 true JPH043139B2 (de) | 1992-01-22 |
Family
ID=15952458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56173007A Granted JPS5875337A (ja) | 1981-10-30 | 1981-10-30 | データ通信システム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5875337A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195850U (ja) * | 1983-06-13 | 1984-12-26 | 日本電気株式会社 | 光通信デ−タエントリシステム |
JPS60187146A (ja) * | 1984-03-06 | 1985-09-24 | Yagi Antenna Co Ltd | 赤外線通信装置 |
JPS61121627A (ja) * | 1984-11-19 | 1986-06-09 | Hitachi Ltd | 光伝送による端末接続装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5464901A (en) * | 1977-11-02 | 1979-05-25 | Hitachi Ltd | Automatic opposing method using laser beam |
JPS54149505A (en) * | 1978-05-17 | 1979-11-22 | Hitachi Ltd | Signal transmission system |
-
1981
- 1981-10-30 JP JP56173007A patent/JPS5875337A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5464901A (en) * | 1977-11-02 | 1979-05-25 | Hitachi Ltd | Automatic opposing method using laser beam |
JPS54149505A (en) * | 1978-05-17 | 1979-11-22 | Hitachi Ltd | Signal transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPS5875337A (ja) | 1983-05-07 |
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