JPS6378366U - - Google Patents
Info
- Publication number
- JPS6378366U JPS6378366U JP17178686U JP17178686U JPS6378366U JP S6378366 U JPS6378366 U JP S6378366U JP 17178686 U JP17178686 U JP 17178686U JP 17178686 U JP17178686 U JP 17178686U JP S6378366 U JPS6378366 U JP S6378366U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- filter
- recording method
- signal
- 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 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案に係る記録方式判別回路の実施
例を示す回路図、第２図は記録周波数特性の一例
を示す図である。
１…プリアンプ、４…メインアンプ、５…フイ
ルタ、１１…ピーク検波用トランジスタ、１５…
判別レベル出力用トランジスタ、２２…コンパレ
ータ。
FIG. 1 is a circuit diagram showing an embodiment of a recording method discriminating circuit according to the present invention, and FIG. 2 is a diagram showing an example of recording frequency characteristics. 1... Preamplifier, 4... Main amplifier, 5... Filter, 11... Peak detection transistor, 15...
Discrimination level output transistor, 22... comparator.
Claims (1)
に、記録方式の違いを示す制御信号を出力する回
路であつて、 或るＦＭ信号周波数のみを通過させるか若しく
は所定の帯域のＦＭ信号周波数の信号成分を通過
させるフイルタと、このフイルタ出力を検波する
検波手段と、この検波手段の出力を所定の判別レ
ベルと比較する比較手段とを備え、この比較手段
の出力が前記制御信号となされることを特徴とす
る記録方式判別回路。[Claims for Utility Model Registration] A circuit that outputs a control signal indicating the difference in recording method when reproducing FM signals with different recording frequency characteristics, which allows only a certain FM signal frequency to pass or a predetermined one. It is equipped with a filter that passes the signal component of the FM signal frequency in the band, a detection means that detects the output of this filter, and a comparison means that compares the output of this detection means with a predetermined discrimination level, and the output of this comparison means is A recording method discrimination circuit characterized in that the circuit is used as a control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17178686U JPS6378366U (en) | 1986-11-08 | 1986-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17178686U JPS6378366U (en) | 1986-11-08 | 1986-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378366U true JPS6378366U (en) | 1988-05-24 |
Family
ID=31107735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17178686U Pending JPS6378366U (en) | 1986-11-08 | 1986-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378366U (en) |
-
1986
- 1986-11-08 JP JP17178686U patent/JPS6378366U/ja active Pending
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