JPH0352887U - - Google Patents
Info
- Publication number
- JPH0352887U JPH0352887U JP11181989U JP11181989U JPH0352887U JP H0352887 U JPH0352887 U JP H0352887U JP 11181989 U JP11181989 U JP 11181989U JP 11181989 U JP11181989 U JP 11181989U JP H0352887 U JPH0352887 U JP H0352887U
- Authority
- JP
- Japan
- Prior art keywords
- level
- audio signal
- recording tape
- level detector
- filter
- 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 2
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の概略を説明するブロツクダイ
ヤ図、第２図はヘツドのよごれ状態を定量的に表
すグラフである。
１……試験用テープ、２……ヘツド、４……バ
ンドパスフイルタ、５……レベル検出器、８……
表示器。
FIG. 1 is a block diagram illustrating the outline of the present invention, and FIG. 2 is a graph quantitatively representing the soiling state of the head. 1...Test tape, 2...Head, 4...Band pass filter, 5...Level detector, 8...
display.
Claims (1)
プと、該記録テープを再生し再生された音声信号
の所定帯域を通過するバンドパスフイルタと、該
フイルタ出力の信号レベルを基準レベルと比較す
るレベル検出器と、該レベル検出器の検出結果を
表示する表示手段とを備えたことを特徴とする再
生ヘツドよごれインジケータ。 A recording tape on which a high-frequency audio signal of a predetermined frequency is recorded, a bandpass filter that reproduces the recording tape and passes a predetermined band of the reproduced audio signal, and a level detection that compares the signal level of the output of the filter with a reference level. 1. A playback head dirt indicator comprising: a level detector; and display means for displaying the detection results of the level detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11181989U JPH0352887U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11181989U JPH0352887U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352887U true JPH0352887U (en) | 1991-05-22 |
Family
ID=31660283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11181989U Pending JPH0352887U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352887U (en) |
-
1989
- 1989-09-25 JP JP11181989U patent/JPH0352887U/ja active Pending