JPS5986755U - Wireless line inspection device - Google Patents
Wireless line inspection deviceInfo
- Publication number
- JPS5986755U JPS5986755U JP1982183436U JP18343682U JPS5986755U JP S5986755 U JPS5986755 U JP S5986755U JP 1982183436 U JP1982183436 U JP 1982183436U JP 18343682 U JP18343682 U JP 18343682U JP S5986755 U JPS5986755 U JP S5986755U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- receiver
- transmitter
- transmitting
- conversion device
- 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
- Monitoring And Testing Of Transmission In General (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図は従来の無線回線検査装置の構成を示す接続図、
第２図はこの考案の一実施例の構成を示す接続図、第３
図は第２図の他の実施例を示す接続図である。
図に於て、４は送病機、７は受信機、８は局発周波数発
振器、９はコントロール信号発生器、１３は送信アンテ
ナ、１４は受信アンテナ、１５はテスト信号発生器、１
６は周波数変換装置である。尚各図中、同一符号は同一
または相当部分を示すものとする。Figure 1 is a connection diagram showing the configuration of a conventional wireless line inspection device.
Figure 2 is a connection diagram showing the configuration of an embodiment of this invention;
This figure is a connection diagram showing another embodiment of FIG. 2. In the figure, 4 is a transmitter, 7 is a receiver, 8 is a local frequency oscillator, 9 is a control signal generator, 13 is a transmitting antenna, 14 is a receiving antenna, 15 is a test signal generator, 1
6 is a frequency conversion device. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、信アンテナより、その送信機の送信周波数でテス
ト信号を電波を用いて送信させるテスト信号廃生器、上
記送信アンテナが送出したテスト信号を受信機に接続さ
れる受信アンテナで受信して、この受信機の受信機周波
数に変換して、この受信機に入力させる周波数変換装置
、この周波数変換装置に接続され、上記送信周波数と上
゛記受信機周波数との差あるいは和の周波数を発振して
、上記周波数変換装置を作動させる局発周波数発振器、
この局発周波数発振器に接続され、コントロール信号゛
を送出して上記局発周波数発振器を作動させるコ
ントロール信号発生器を備えた無線回線検査装置。connected to a transmitter and connected to that transmitter.
, a test signal waste generator that transmits a test signal using radio waves from a transmitting antenna at the transmitting frequency of the transmitter, and a receiving antenna connected to the receiver receives the test signal sent by the transmitting antenna, A frequency conversion device that converts the frequency into the receiver frequency of the receiver and inputs it to the receiver, and is connected to this frequency conversion device and oscillates a frequency that is the difference or sum of the above-mentioned transmission frequency and the above-mentioned receiver frequency. , a local frequency oscillator that operates the frequency conversion device;
A radio line inspection device comprising a control signal generator connected to the local frequency oscillator and transmitting a control signal to operate the local frequency oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982183436U JPS5986755U (en) | 1982-12-01 | 1982-12-01 | Wireless line inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982183436U JPS5986755U (en) | 1982-12-01 | 1982-12-01 | Wireless line inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5986755U true JPS5986755U (en) | 1984-06-12 |
Family
ID=30396999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982183436U Pending JPS5986755U (en) | 1982-12-01 | 1982-12-01 | Wireless line inspection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986755U (en) |
-
1982
- 1982-12-01 JP JP1982183436U patent/JPS5986755U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5896351U (en) | antenna sharing device | |
| JPS5986755U (en) | Wireless line inspection device | |
| JPS5961648U (en) | Communication test equipment | |
| JPS5967047U (en) | receiving device | |
| JPS59109970U (en) | Pulse radar device | |
| JPS5937692U (en) | Temporary fire alarm | |
| JPS599659U (en) | Simultaneous transmitting and receiving device | |
| JPH02106783U (en) | ||
| JPS5911543U (en) | Weak transmission output wireless transmitter/receiver | |
| JPS6133541U (en) | In-vehicle wireless device | |
| JPS59127351U (en) | wireless communication device | |
| JPS6074070U (en) | radar device | |
| JPH0336241U (en) | ||
| JPH02141191U (en) | ||
| JPS58109363U (en) | transmitting device | |
| JPH03113583U (en) | ||
| JPH03124141U (en) | ||
| JPS60100675U (en) | radar device | |
| JPS5946049U (en) | wireless receiving device | |
| JPS58182184U (en) | world clock | |
| JPS5819576U (en) | television receiver | |
| JPS58182537U (en) | MW/FM electronic tuning receiver | |
| JPS59159053U (en) | wireless communication device | |
| JPS5922547U (en) | converter | |
| JPS60101885U (en) | electric valve system |