JPS59154951U - antenna switching circuit - Google Patents
antenna switching circuitInfo
- Publication number
- JPS59154951U JPS59154951U JP3679483U JP3679483U JPS59154951U JP S59154951 U JPS59154951 U JP S59154951U JP 3679483 U JP3679483 U JP 3679483U JP 3679483 U JP3679483 U JP 3679483U JP S59154951 U JPS59154951 U JP S59154951U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- signal
- antenna switching
- switching circuit
- 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
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
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
第１図は従来のアンテナ切換回路のブロック図、第２図
はその動作状態を示すタイムチャート図第３図乃至第５
図は本考案に係るアンテナ切換回路の実施例を示し、第
３図はブロック図、第４図及び第５図は動作状態を示す
タイムチャート図である。
１・・・・・・整流回路、２・・・・・・時定数回路、
３・・曲設足回路、１１・・・・・・受信機、１２・・
曲アンテナの切換器、１６・・・・・・切換信号発生部
、１７・・開駆動部、１８・・・・・・切換停止回路。Figure 1 is a block diagram of a conventional antenna switching circuit, and Figure 2 is a time chart showing its operating status.
The figures show an embodiment of the antenna switching circuit according to the present invention, FIG. 3 is a block diagram, and FIGS. 4 and 5 are time charts showing operating states. 1... Rectifier circuit, 2... Time constant circuit,
3...Block foot circuit, 11...Receiver, 12...
Curved antenna switching device, 16... switching signal generating section, 17... opening drive section, 18... switching stop circuit.
Claims (1)
切換信号を与えるための切換信号発生部とを備え、受信
状態に応じて２系統のサンテナを自動的に切り換えるよ
うになっているアンテナ切換回路であって、 上記切換信号発生部からの信号を整流するための整流回
路と、該整流回路からの信号を一定時間保持するための
時定数回路と、該時定数回路からの信号により上記切換
信号発生部からの信号を遮断できるようになっている切
換停止回路と、上記駆動部におけるスイッチング動作を
ある時定数を以て特定の状態に設定し得るようにした設
定回路とが設けられていることを特徴とするアンテナ切
換回路。[Claims for Utility Model Registration] The system is equipped with a drive section for driving an antenna switching device and a switching signal generation section for giving a switching signal to the drive section, and automatically switches two sun antennas according to reception conditions. The antenna switching circuit is configured to switch to an antenna switching circuit, the antenna switching circuit comprising: a rectifier circuit for rectifying the signal from the switching signal generator; a time constant circuit for holding the signal from the rectifier circuit for a certain period of time; A switching stop circuit is configured to be able to interrupt the signal from the switching signal generating section using a signal from the time constant circuit, and a setting that allows the switching operation in the driving section to be set to a specific state with a certain time constant. An antenna switching circuit characterized in that the antenna switching circuit is provided with a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3679483U JPS59154951U (en) | 1983-03-16 | 1983-03-16 | antenna switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3679483U JPS59154951U (en) | 1983-03-16 | 1983-03-16 | antenna switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59154951U true JPS59154951U (en) | 1984-10-17 |
Family
ID=30167454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3679483U Pending JPS59154951U (en) | 1983-03-16 | 1983-03-16 | antenna switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59154951U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188148A (en) * | 1981-05-16 | 1982-11-19 | Fujitsu Ten Ltd | Receiver provided with diversity antenna |
-
1983
- 1983-03-16 JP JP3679483U patent/JPS59154951U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188148A (en) * | 1981-05-16 | 1982-11-19 | Fujitsu Ten Ltd | Receiver provided with diversity antenna |
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