JPH02105271U - - Google Patents
Info
- Publication number
- JPH02105271U JPH02105271U JP988989U JP988989U JPH02105271U JP H02105271 U JPH02105271 U JP H02105271U JP 988989 U JP988989 U JP 988989U JP 988989 U JP988989 U JP 988989U JP H02105271 U JPH02105271 U JP H02105271U
- Authority
- JP
- Japan
- Prior art keywords
- read data
- absence
- recording
- system side
- reproducing device
- 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
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図は本案による再生回路の構成図、第２図
はその動作図である。
１……ヘツド、２……増幅器、３……ローパス
・フイルタ、４……比較器、５……可変周波数発
振器、６……リードパルス整正器、７，８……抵
抗器。
FIG. 1 is a block diagram of a reproducing circuit according to the present invention, and FIG. 2 is an operational diagram thereof. 1...Head, 2...Amplifier, 3...Low pass filter, 4...Comparator, 5...Variable frequency oscillator, 6...Read pulse rectifier, 7, 8...Resistor.
Claims (1)
ータパルスの有無を判別するデータ・ウインドを
有する記録再生装置において、情報記録媒体に記
録されている情報を再生するヘツドにより再生さ
れた再生信号の出力レベルと任意のレベルを比較
してピークの有無を検出することによつて得られ
たリードデータと、システム側のデータ・ウイン
ドと同一周期のクロツク信号の立ち上り（又は立
ち下り）との論理積により、リード・データ・パ
ルスを生成することを特徴とする記録再生装置の
再生回路。 In a recording and reproducing device that has a data window on the system side that determines the presence or absence of read data pulses adjusted from the reproduced signal, the output level of the reproduced signal reproduced by the head that reproduces information recorded on the information recording medium. By ANDing the read data obtained by comparing the arbitrary level and detecting the presence or absence of a peak with the rising (or falling) of the clock signal having the same period as the data window on the system side, A reproducing circuit for a recording/reproducing device, characterized in that it generates read data pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP988989U JPH02105271U (en) | 1989-02-01 | 1989-02-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP988989U JPH02105271U (en) | 1989-02-01 | 1989-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105271U true JPH02105271U (en) | 1990-08-21 |
Family
ID=31513476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP988989U Pending JPH02105271U (en) | 1989-02-01 | 1989-02-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105271U (en) |
-
1989
- 1989-02-01 JP JP988989U patent/JPH02105271U/ja active Pending
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