JPS61146040U - - Google Patents
Info
- Publication number
- JPS61146040U JPS61146040U JP2953085U JP2953085U JPS61146040U JP S61146040 U JPS61146040 U JP S61146040U JP 2953085 U JP2953085 U JP 2953085U JP 2953085 U JP2953085 U JP 2953085U JP S61146040 U JPS61146040 U JP S61146040U
- Authority
- JP
- Japan
- Prior art keywords
- tuners
- frequency bands
- broadcast waves
- program broadcast
- circuit
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
Description
図面は本考案の一実施例を示すブロツク図であ
る。 １，１′……チユーナ、２……バンドパスフイ
ルタ、２ａ〜２ｄ……フイルタ群、２ａ′〜２ｄ
′……フイルタ群、３……比較回路、３ａ〜３ｄ
……比較器、４……アンド回路、５……制御回路
。
る。 １，１′……チユーナ、２……バンドパスフイ
ルタ、２ａ〜２ｄ……フイルタ群、２ａ′〜２ｄ
′……フイルタ群、３……比較回路、３ａ〜３ｄ
……比較器、４……アンド回路、５……制御回路
。
Claims (1)
- 現在受信中の番組放送波と同一の番組放送波を
識別するものにおいて、複数のチユーナからの出
力を、それぞれ複数の狭域周波数帯域に分割する
バンドパスフイルタを介して分割し、各周波数帯
域毎に、上記チユーナ毎の出力レベルを比較回路
で比較し、全ての周波数帯域で一致と判定される
時、上記各チユーナを制御する制御回路を操作す
るようにしたことを特徴とする放送波識別回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2953085U JPS61146040U (ja) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2953085U JPS61146040U (ja) | 1985-03-01 | 1985-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146040U true JPS61146040U (ja) | 1986-09-09 |
Family
ID=30528423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2953085U Pending JPS61146040U (ja) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146040U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9883228B2 (en) | 2013-10-15 | 2018-01-30 | Mitsubishi Electric Corporation | Digital broadcast reception device and channel selection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748824A (en) * | 1980-09-05 | 1982-03-20 | Mitsubishi Electric Corp | Radio receiver |
-
1985
- 1985-03-01 JP JP2953085U patent/JPS61146040U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748824A (en) * | 1980-09-05 | 1982-03-20 | Mitsubishi Electric Corp | Radio receiver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9883228B2 (en) | 2013-10-15 | 2018-01-30 | Mitsubishi Electric Corporation | Digital broadcast reception device and channel selection method |