JPS59166531U - Broadcast receiver with interference noise silencing function - Google Patents
Broadcast receiver with interference noise silencing functionInfo
- Publication number
- JPS59166531U JPS59166531U JP6127383U JP6127383U JPS59166531U JP S59166531 U JPS59166531 U JP S59166531U JP 6127383 U JP6127383 U JP 6127383U JP 6127383 U JP6127383 U JP 6127383U JP S59166531 U JPS59166531 U JP S59166531U
- Authority
- JP
- Japan
- Prior art keywords
- interference
- detection circuit
- circuit
- interference noise
- intermediate frequency
- 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
- Television Receiver Circuits (AREA)
- Noise Elimination (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、第２図、第３図はそれぞれ本考案の実施例を示
したもので、全図を通じて共通箇所には同符号が付しで
ある。
１はフロントエンド、２及び２ｎは中間周波増巾回路、
３はＦＭ検波回路、４は増巾回路、５及び６はそれぞれ
位相検波回路、８は電圧制御発振回路、１０は分周回路
、１１は駆動回路、１３はミューティング回路、１５は
自動選局回路、２′は中間周波増巾回路、１６はＡＭ検
波回路、１７は合成（加算）回路を示す。1, 2, and 3 each show an embodiment of the present invention, and common parts are given the same reference numerals throughout the figures. 1 is a front end, 2 and 2n are intermediate frequency amplification circuits,
3 is an FM detection circuit, 4 is an amplification circuit, 5 and 6 are each a phase detection circuit, 8 is a voltage controlled oscillation circuit, 10 is a frequency divider circuit, 11 is a drive circuit, 13 is a muting circuit, 15 is an automatic tuning circuit 2' is an intermediate frequency amplification circuit, 16 is an AM detection circuit, and 17 is a synthesis (addition) circuit.
Claims (3)
分中から前記放送の水平同期信号成分をＰＬＬ回路を主
とした検出回路群Ａによって検出し、該検出結果によっ
てミューティング回路１３を作動せしめ、前記混信時に
発生するバズ雑音を消音するよう構成した、混信雑音の
消音機能を備えた放送受信機。(1) When there is interference in television broadcast waves, the horizontal synchronization signal component of the broadcast is detected from among the interference noise components by the detection circuit group A, which mainly includes a PLL circuit, and the muting circuit 13 is activated based on the detection result. , a broadcasting receiver equipped with an interference noise silencing function, configured to silence buzz noise generated during the interference.
ット機能を持たない中間周波増巾回路２′によって増巾
し、更にＡＭ検波回路１６によって混信電波を検波し、
該検波信号を検出回路群Ａの入力ａ′に与えるように構
成した実用新案登録請求の範囲第１項記載の混信雑音の
消音機能を備えた放送受信機。(2) The intermediate frequency output from the front end 1 is amplified by an intermediate frequency amplification circuit 2' that does not have a particular limit function, and furthermore, the AM detection circuit 16 detects interference radio waves,
A broadcasting receiver equipped with an interference noise silencing function according to claim 1, which is configured to apply the detected signal to the input a' of the detection circuit group A.
ット機能を持たない中間周波増巾回路２′によって増巾
し、更にＡＭ検波回路１６によって混信電波を検波し、
該検波信号と、ＦＭ検波回路３から得られる検波信号と
を合成回路１７によって合成し、該合成信号を検出回路
群Ａの入力ａ′に与えるように構成した実用新案登録請
求の範囲第１項記載の混信雑音の消音機能を備えた放送
受信機。(3) The intermediate frequency output from the front end 1 is amplified by an intermediate frequency amplification circuit 2' that does not have a particular limit function, and furthermore, the AM detection circuit 16 detects interference radio waves,
Utility model registration claim 1, wherein the detected signal and the detected signal obtained from the FM detection circuit 3 are combined by a combining circuit 17, and the combined signal is applied to the input a' of the detection circuit group A. Broadcasting receiver equipped with the interference noise silencing function described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6127383U JPS59166531U (en) | 1983-04-22 | 1983-04-22 | Broadcast receiver with interference noise silencing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6127383U JPS59166531U (en) | 1983-04-22 | 1983-04-22 | Broadcast receiver with interference noise silencing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166531U true JPS59166531U (en) | 1984-11-08 |
Family
ID=30191486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6127383U Pending JPS59166531U (en) | 1983-04-22 | 1983-04-22 | Broadcast receiver with interference noise silencing function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166531U (en) |
-
1983
- 1983-04-22 JP JP6127383U patent/JPS59166531U/en active Pending
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