JPH01139642U - - Google Patents
Info
- Publication number
- JPH01139642U JPH01139642U JP3586688U JP3586688U JPH01139642U JP H01139642 U JPH01139642 U JP H01139642U JP 3586688 U JP3586688 U JP 3586688U JP 3586688 U JP3586688 U JP 3586688U JP H01139642 U JPH01139642 U JP H01139642U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- communication
- data transmission
- wireless data
- slave station
- 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
Description
図は本考案実施例の配置図を示す。
１Ａ〜１Ｄ……移動可能な子局無線設備及びア
ンテナ、２……親局無線設備、３Ａ〜３Ｄ……親
局の複数アンテナ、４……天井。
The figure shows a layout diagram of an embodiment of the present invention. 1A to 1D...Movable slave station radio equipment and antenna, 2...Main station radio equipment, 3A to 3D...Multiple antennas of the parent station, 4...Ceiling.
Claims (1)
天井に複数のアンテナを配置し、通信開始時に各
々のアンテナで子局の信号を受信し、最も回線状
態の良好なアンテナをその子局との通信で使用す
るアンテナとして記憶し、これを使用することを
特徴とする無線データ伝送システム。 In indoor wireless data transmission, the master station places multiple antennas on the ceiling, receives the signal of the slave station with each antenna at the beginning of communication, and selects the antenna with the best line condition to communicate with the slave station. A wireless data transmission system characterized by storing and using an antenna used in communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3586688U JPH01139642U (en) | 1988-03-18 | 1988-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3586688U JPH01139642U (en) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139642U true JPH01139642U (en) | 1989-09-25 |
Family
ID=31262497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3586688U Pending JPH01139642U (en) | 1988-03-18 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139642U (en) |
-
1988
- 1988-03-18 JP JP3586688U patent/JPH01139642U/ja active Pending