JPH0410476U - - Google Patents
Info
- Publication number
- JPH0410476U JPH0410476U JP1990050674U JP5067490U JPH0410476U JP H0410476 U JPH0410476 U JP H0410476U JP 1990050674 U JP1990050674 U JP 1990050674U JP 5067490 U JP5067490 U JP 5067490U JP H0410476 U JPH0410476 U JP H0410476U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- audio
- processing device
- level
- frequency processing
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Television Receiver Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図は、本考案に係る映像中間周波処理のブ
ロツク、第３図は第１図に対する、中間周波フイ
ルター特性図である。第２図は、従来の回路図、
第４図は、第２図に対する中間周波フイルタ特性
図である。
９……第２音声中間周波アンプ、１０……第２
音声中間周波フイルタ、１１……検波ダイオード
、１２……抵抗、１４……音声中間周波トラツプ
、１５……ダイオード。
FIG. 1 is a block diagram of video intermediate frequency processing according to the present invention, and FIG. 3 is an intermediate frequency filter characteristic diagram for FIG. Figure 2 is a conventional circuit diagram,
FIG. 4 is an intermediate frequency filter characteristic diagram for FIG. 2. 9...Second audio intermediate frequency amplifier, 10...Second
Audio intermediate frequency filter, 11...Detection diode, 12...Resistor, 14...Audio intermediate frequency trap, 15...Diode.
Claims (1)
レビ受像機にあつて、インターキヤリア検波後、
第２音声中間周波レベルを検出し、このレベルに
応じて、第１音声中間周波トラツプを調節する回
路を備え、映像、音声特性を向上させることを特
徴とするテレビ受像機の中間周波処理装置。 For television receivers that include an electronic tuner and an intermediate frequency processing device, after intercarrier detection,
An intermediate frequency processing device for a television receiver, comprising a circuit that detects a second audio intermediate frequency level and adjusts a first audio intermediate frequency trap according to the level, thereby improving video and audio characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050674U JPH0410476U (en) | 1990-05-15 | 1990-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050674U JPH0410476U (en) | 1990-05-15 | 1990-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410476U true JPH0410476U (en) | 1992-01-29 |
Family
ID=31569426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990050674U Pending JPH0410476U (en) | 1990-05-15 | 1990-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410476U (en) |
-
1990
- 1990-05-15 JP JP1990050674U patent/JPH0410476U/ja active Pending
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