JPS6025283U - Vehicle-mounted image receiver - Google Patents
Vehicle-mounted image receiverInfo
- Publication number
- JPS6025283U JPS6025283U JP11506383U JP11506383U JPS6025283U JP S6025283 U JPS6025283 U JP S6025283U JP 11506383 U JP11506383 U JP 11506383U JP 11506383 U JP11506383 U JP 11506383U JP S6025283 U JPS6025283 U JP S6025283U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- mounted image
- switching control
- circuit
- image receiver
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例よりなる車載用受像装置のブ
ロック図、第２図は移動距離と電界強度との関係を示す
グラフ、第３図は受信アンテナの設置例を示す斜視図、
第４図はＡＧＣ特性のグラフ、第５図は一実施例よりな
る切換制御回路のブロック図、および第６図は合成ＡＧ
Ｃ特性のグラフである。
１．２・・・・・・受信アンテナ、３・・・・・・スイ
ッチ回路、１８・・・・・・切換制御回路、５３，５７
・・・・・・比較器。FIG. 1 is a block diagram of a vehicle-mounted image receiving device according to an embodiment of the present invention, FIG. 2 is a graph showing the relationship between travel distance and electric field strength, and FIG. 3 is a perspective view showing an example of installing a receiving antenna.
FIG. 4 is a graph of AGC characteristics, FIG. 5 is a block diagram of a switching control circuit according to an embodiment, and FIG. 6 is a graph of a synthetic AGC characteristic.
It is a graph of C characteristics. 1.2...Receiving antenna, 3...Switch circuit, 18...Switching control circuit, 53, 57
...Comparator.
Claims (1)
複数の受信アンテナによりテレビ放送信号を受信する車
載用受像装置において、前記複数の受信アンテナを切換
えるスイッチ回路を設けるとともに、該スイッチ回路の
切換制御をする回路を設け、該切換制御回路を中間周波
自動利得調整電圧および／または高周波自動利得調整電
圧によって制御するように構成したことを特徴とする車
載用受像装置。In a vehicle-mounted image receiving device that receives television broadcast signals through a plurality of receiving antennas provided outside a vehicle body at a predetermined distance from each other, a switch circuit for switching between the plurality of receiving antennas is provided, and switching control of the switch circuit is provided. 1. A vehicle-mounted image receiving apparatus, comprising: a circuit for controlling the switching control circuit; and the switching control circuit is configured to be controlled by an intermediate frequency automatic gain adjustment voltage and/or a high frequency automatic gain adjustment voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11506383U JPS6025283U (en) | 1983-07-26 | 1983-07-26 | Vehicle-mounted image receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11506383U JPS6025283U (en) | 1983-07-26 | 1983-07-26 | Vehicle-mounted image receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6025283U true JPS6025283U (en) | 1985-02-20 |
Family
ID=30265742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11506383U Pending JPS6025283U (en) | 1983-07-26 | 1983-07-26 | Vehicle-mounted image receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025283U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124174U (en) * | 1974-08-06 | 1976-02-21 | ||
| JPS5610780B2 (en) * | 1977-05-23 | 1981-03-10 |
-
1983
- 1983-07-26 JP JP11506383U patent/JPS6025283U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124174U (en) * | 1974-08-06 | 1976-02-21 | ||
| JPS5610780B2 (en) * | 1977-05-23 | 1981-03-10 |
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