JPS59119650U - radio receiver - Google Patents
radio receiverInfo
- Publication number
- JPS59119650U JPS59119650U JP1420083U JP1420083U JPS59119650U JP S59119650 U JPS59119650 U JP S59119650U JP 1420083 U JP1420083 U JP 1420083U JP 1420083 U JP1420083 U JP 1420083U JP S59119650 U JPS59119650 U JP S59119650U
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- electric field
- field strength
- received
- photoconductor
- 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
- Circuits Of Receivers 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ＬＯＣＡＬ／ＤＸ切換釦を有したカーラ
ジオの正面図、第２図は本考案によるカーラジオの正面
図、第３図はＡＭ波帯のＩＦ出力強度特性図、第４図ａ
、 ｂ、 ｃは本考案による第１、第２、第３実施
例を示す回路図である。
２・・・硫化カドミニウム（ＣｄＳ）（光導電体）、３
゜３０・・・アンテナ回路、４，４０・・・ＲＦ増幅回
路、６・・・ＩＦ増幅回路、８・・・ＰＬＬ回路、１７
．２２・・・明暗調節用可変抵抗器、２３・・・ＦＥＴ
（電界効果トランジスタ）。Fig. 1 is a front view of a car radio with a conventional LOCAL/DX switching button, Fig. 2 is a front view of a car radio according to the present invention, Fig. 3 is an IF output intensity characteristic diagram of the AM wave band, and Fig. 4 a
, b, and c are circuit diagrams showing first, second, and third embodiments of the present invention. 2...Cadmium sulfide (CdS) (photoconductor), 3
゜30... Antenna circuit, 4, 40... RF amplifier circuit, 6... IF amplifier circuit, 8... PLL circuit, 17
．． 22... Variable resistor for brightness adjustment, 23... FET
(field effect transistor).
Claims (1)
暗に応じて受信電界強度を選択するよう構成したことを
特徴とするラジオ受信機。1. A radio receiver characterized in that a photoconductor is used to detect the electric field strength of received radio waves, and the received electric field strength is selected according to brightness and darkness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1420083U JPS59119650U (en) | 1983-02-01 | 1983-02-01 | radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1420083U JPS59119650U (en) | 1983-02-01 | 1983-02-01 | radio receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59119650U true JPS59119650U (en) | 1984-08-13 |
Family
ID=30145574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1420083U Pending JPS59119650U (en) | 1983-02-01 | 1983-02-01 | radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59119650U (en) |
-
1983
- 1983-02-01 JP JP1420083U patent/JPS59119650U/en active Pending
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