JPS63114528U - - Google Patents
Info
- Publication number
- JPS63114528U JPS63114528U JP17502686U JP17502686U JPS63114528U JP S63114528 U JPS63114528 U JP S63114528U JP 17502686 U JP17502686 U JP 17502686U JP 17502686 U JP17502686 U JP 17502686U JP S63114528 U JPS63114528 U JP S63114528U
- Authority
- JP
- Japan
- Prior art keywords
- reception level
- station
- intermediate frequency
- filter
- tuned
- 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
- 230000002452 interceptive effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
Landscapes
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の一実施例に係る車載用ＦＭラ
ジオ受信機を示すブロツク図、第２図は動作説明
図である。
１０……アンテナ、１２……フロントエンド、
１４〜２０……ＩＦフイルタ、２２……切替回路
、２４……サブチユーナ、２５……希望局受信制
御部、２６……妨害排除制御部。
FIG. 1 is a block diagram showing an in-vehicle FM radio receiver according to an embodiment of the present invention, and FIG. 2 is an operational diagram. 10...Antenna, 12...Front end,
14-20...IF filter, 22...Switching circuit, 24...Sub tuner, 25...Desired station reception control section, 26...Interference elimination control section.
Claims (1)
イルタを通して中間周波増幅を行うスーパーへテ
ロダイン式のラジオ受信機において、 希望局に同調したときの受信レベルと該希望局
に隣接する妨害局に同調したときの受信レベルと
を検出する手段と、 希望局の受信レベルに対する妨害局の受信レベ
ルの比を求める手段と、 この希望局と妨害局の受信レベルの比が所定値
以上となつたときＩＦフイルタの帯域を妨害局に
係る中間周波数から外れるように変化させる手段
とを含むことを特徴とするラジオ受信機。[Claim for Utility Model Registration] In a superheterodyne radio receiver that first converts a high frequency signal into an intermediate frequency signal and then amplifies the intermediate frequency through an IF filter, the reception level when tuned to a desired station and the reception level at the desired station. means for detecting the reception level when tuned to an adjacent interfering station; means for determining the ratio of the reception level of the interfering station to the reception level of the desired station; A radio receiver characterized in that it includes means for changing the band of the IF filter so as to deviate from the intermediate frequency related to the interfering station when the above occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17502686U JPS63114528U (en) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17502686U JPS63114528U (en) | 1986-11-14 | 1986-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63114528U true JPS63114528U (en) | 1988-07-23 |
Family
ID=31113966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17502686U Pending JPS63114528U (en) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114528U (en) |
-
1986
- 1986-11-14 JP JP17502686U patent/JPS63114528U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE180606T1 (en) | FM RECEIVER | |
| JPH03293824A (en) | Radio receiver | |
| JPS63114528U (en) | ||
| JPS52102626A (en) | Tv receiver | |
| JPS5941647Y2 (en) | radio receiver | |
| JPS5555618A (en) | Radio receiver | |
| JPS6233402Y2 (en) | ||
| JPS63114529U (en) | ||
| JPH062351Y2 (en) | Filter switching device | |
| JPS6344541U (en) | ||
| JPS6454421U (en) | ||
| JPS6218982Y2 (en) | ||
| JPS61189623U (en) | ||
| JPS643343U (en) | ||
| JPS61121045U (en) | ||
| JPH03121725U (en) | ||
| JPH0193841U (en) | ||
| JPH0163223U (en) | ||
| JPS60111142U (en) | vehicle radio | |
| JPS52132618A (en) | Radio receiver | |
| JPS6226933U (en) | ||
| JPH01137627U (en) | ||
| JPS63140725U (en) | ||
| JPS6195123U (en) | ||
| JPH0288327U (en) |