JPH0435254U - - Google Patents
Info
- Publication number
- JPH0435254U JPH0435254U JP7761490U JP7761490U JPH0435254U JP H0435254 U JPH0435254 U JP H0435254U JP 7761490 U JP7761490 U JP 7761490U JP 7761490 U JP7761490 U JP 7761490U JP H0435254 U JPH0435254 U JP H0435254U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- main information
- suppression level
- recorded
- track
- 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
- 230000001629 suppression Effects 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案の構成ブロツク図で、第２図は
その動作を説明する波形図、第３図は従来の装置
の構成ブロツク図、第４図はその動作を説明する
波形図である。
１……記録用可変利得増幅器、２……過大入力
検出増幅器、３……主情報記録、再生ヘツド、４
……主情報記録、再生切換スイツチ、５……主情
報再生可変利得増幅器、６……抑圧レベル記録、
再生ヘツド、７……抑圧レベル記録、再生切換ス
イツチ、８……抑圧レベル再生増幅器。
FIG. 1 is a block diagram of the structure of the present invention, FIG. 2 is a waveform diagram explaining its operation, FIG. 3 is a block diagram of the structure of a conventional device, and FIG. 4 is a waveform diagram explaining its operation. 1... Variable gain amplifier for recording, 2... Excessive input detection amplifier, 3... Main information recording and reproducing head, 4
...Main information recording, reproduction changeover switch, 5...Main information reproduction variable gain amplifier, 6...Suppression level recording,
Reproduction head, 7... Suppression level recording, reproduction changeover switch, 8... Suppression level reproduction amplifier.
Claims (1)
を有するアナログ記録、再生装置において、 主情報記録、再生用ヘツドと、抑圧レベルの記
録、再生用ヘツドを具備し、主情報を記録媒体の
主トラツクに、抑圧レベルを副トラツクに記録し
、再生時に抑圧レベルに応じ主情報を伸長、復元
する構成としたことを特徴とするアナログ記録、
再生装置。[Claims for Utility Model Registration] An analog recording and reproducing device having an automatic suppression function in the event of excessive input using magnetism or light, comprising a main information recording and reproducing head and a suppression level recording and reproducing head, An analog recording characterized in that main information is recorded on a main track of a recording medium, a suppression level is recorded on a sub-track, and the main information is expanded and restored according to the suppression level during playback.
playback device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7761490U JPH0435254U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7761490U JPH0435254U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435254U true JPH0435254U (en) | 1992-03-24 |
Family
ID=31620164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7761490U Pending JPH0435254U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435254U (en) |
-
1990
- 1990-07-20 JP JP7761490U patent/JPH0435254U/ja active Pending
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