JPS59132259U - antenna switcher - Google Patents
antenna switcherInfo
- Publication number
- JPS59132259U JPS59132259U JP2411183U JP2411183U JPS59132259U JP S59132259 U JPS59132259 U JP S59132259U JP 2411183 U JP2411183 U JP 2411183U JP 2411183 U JP2411183 U JP 2411183U JP S59132259 U JPS59132259 U JP S59132259U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- control circuit
- radio waves
- comparison control
- synchronous
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例の構成図である。
１・・・送信機、２・・・送信アンテナ、３．４・・・
受信アンテナ、５．６・・・信号レベル検知回路、７・
・・比較制御回路、８・・・同軸リレー切換回路、９・
・・受信機。The figure is a configuration diagram of an embodiment of the present invention. 1... Transmitter, 2... Transmitting antenna, 3.4...
Receiving antenna, 5.6... Signal level detection circuit, 7.
... Comparison control circuit, 8... Coaxial relay switching circuit, 9.
··Receiving machine.
Claims (1)
アンテナによりそれぞれ受信し、同時に受信した電波の
信号レベルを検出する２つの信号レベル検出回路と、こ
れら２つの信号レベル検出回路により検出された信号レ
ベルの大中さを比較する比較制御回路及びこの比較制御
回路からの出力信号と受信機から取り出されたＰＣＭの
同期信号とによって同軸リレーを切換える同期リレー切
換回路を備えて成る事を特徴とするアンテナ切換器。PCM communication radio waves emitted from the transmitter are received by two receiving antennas, and two signal level detection circuits detect the signal level of the received radio waves at the same time. It is characterized by comprising a comparison control circuit that compares the medium and large signal levels, and a synchronous relay switching circuit that switches the coaxial relay according to the output signal from the comparison control circuit and the PCM synchronous signal taken out from the receiver. antenna switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2411183U JPS59132259U (en) | 1983-02-21 | 1983-02-21 | antenna switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2411183U JPS59132259U (en) | 1983-02-21 | 1983-02-21 | antenna switcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59132259U true JPS59132259U (en) | 1984-09-05 |
Family
ID=30155167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2411183U Pending JPS59132259U (en) | 1983-02-21 | 1983-02-21 | antenna switcher |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59132259U (en) |
-
1983
- 1983-02-21 JP JP2411183U patent/JPS59132259U/en active Pending
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