JPS6344541U - - Google Patents
Info
- Publication number
- JPS6344541U JPS6344541U JP13740386U JP13740386U JPS6344541U JP S6344541 U JPS6344541 U JP S6344541U JP 13740386 U JP13740386 U JP 13740386U JP 13740386 U JP13740386 U JP 13740386U JP S6344541 U JPS6344541 U JP S6344541U
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- utility
- model registration
- demodulation circuit
- switch
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Noise Elimination (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
その要部を示す図である。
２……フロントエンド、４……ステレオ復調回
路、７……ミユーテイング回路、８……バリコン
、９……ドラム、１１……スイツチ。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing the main part thereof. 2...front end, 4...stereo demodulation circuit, 7 ...mutating circuit, 8...variable capacitor, 9...drum, 11...switch.
Claims (1)
トエンドと、この中間周波信号から音声信号を復
調する復調回路と、受信周波数を選局するための
選局装置と、この選局装置の操作によつて選局さ
れた受信周波数が受信周波数帯域のローエンドに
達したとき、前記復調回路からの出力を側路する
ミユーテイング手段を設けたことを特徴とするラ
ジオ受信機。 (2) ミユーテイング手段が選局装置に連動して
オン・オフ制御されるスイツチを含んでいること
を特徴とする実用新案登録請求の範囲第(1)項記
載のラジオ受信機。 (3) 選局装置がバリコンを含んでいることを特
徴とする実用新案登録請求の範囲第(1)項記載の
ラジオ受信機。 (4) ミユーテイング手段がバリコンに取付けら
れたドラムに設けられた突部にて制御されるスイ
ツチと、このスイツチの閉成時オンとなり復調回
路からの出力を側路するミユーテイング用トラン
ジスタとより構成されていることを特徴とする実
用新案登録請求の範囲第(3)項記載のラジオ受信
機。[Claims for Utility Model Registration] (1) A front end that converts a received signal into an intermediate frequency signal, a demodulation circuit that demodulates an audio signal from this intermediate frequency signal, and a tuning device that selects a receiving frequency. , a radio receiver comprising muting means for bypassing the output from the demodulation circuit when the reception frequency selected by the operation of the tuning device reaches the low end of the reception frequency band. . (2) The radio receiver according to claim (1), wherein the muting means includes a switch that is controlled on and off in conjunction with a channel selection device. (3) The radio receiver according to claim (1) of the utility model registration, characterized in that the channel selection device includes a variable capacitor. (4) The muting means consists of a switch controlled by a protrusion provided on a drum attached to the variable capacitor, and a muting transistor that turns on when the switch is closed and bypasses the output from the demodulation circuit. A radio receiver according to claim (3) of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13740386U JPS6344541U (en) | 1986-09-08 | 1986-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13740386U JPS6344541U (en) | 1986-09-08 | 1986-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6344541U true JPS6344541U (en) | 1988-03-25 |
Family
ID=31041421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13740386U Pending JPS6344541U (en) | 1986-09-08 | 1986-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6344541U (en) |
-
1986
- 1986-09-08 JP JP13740386U patent/JPS6344541U/ja active Pending
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