JPH0276366U - - Google Patents
Info
- Publication number
- JPH0276366U JPH0276366U JP15406588U JP15406588U JPH0276366U JP H0276366 U JPH0276366 U JP H0276366U JP 15406588 U JP15406588 U JP 15406588U JP 15406588 U JP15406588 U JP 15406588U JP H0276366 U JPH0276366 U JP H0276366U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- signals
- output
- data
- value data
- 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 7
- 238000007493 shaping process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図はこの考案に係るデータ読取装置の構成
を示すブロツク図、第２図は各部出力波形を示す
図、第３図は従来のデータ読取装置の構成を示す
ブロツク図、第４図は従来の装置の各部出力波形
を示す図である。
１……磁気デイスク、２……検出ヘツド、３…
…増幅回路、４……コンパレータ、５……微分パ
ルス生成部、６……レベル１検出部。なお、図中
同一符号は、同一、又は、相当部分。
FIG. 1 is a block diagram showing the configuration of a data reading device according to this invention, FIG. 2 is a diagram showing output waveforms of each part, FIG. 3 is a block diagram showing the configuration of a conventional data reading device, and FIG. 4 is a conventional one. FIG. 3 is a diagram showing output waveforms of each part of the device. 1... Magnetic disk, 2... Detection head, 3...
...Amplification circuit, 4...Comparator, 5...Differential pulse generation section, 6...Level 1 detection section. In addition, the same symbols in the figures indicate the same or equivalent parts.
Claims (1)
ツドにより検出し、その検出信号に基づき前記２
値データを読み取るデータ読取装置において、 前記検出信号を増幅処理して反転及び非反転信
号を出力する増幅回路と、 該増幅回路の両出力信号を読取整形して出力す
る波形整形手段と、 該波形整形手段の夫々の出力信号を微分して、
夫々のエツジに対応する２つのパルス信号を生成
するパルス信号生成手段と、 前記２つのパルス信号が、前記検出結果に関連
する所定期間内に夫々１回ずつ出力されたときに
、前記２値データが有意であることを検出する２
値データ検出手段と を備えることを特徴とするデータ読取装置。[Claims for Utility Model Registration] Binary data recorded on a magnetic recording medium is detected by a detection head, and the above-mentioned two-value data is detected based on the detection signal.
A data reading device that reads value data includes: an amplifier circuit that amplifies the detection signal and outputs inverted and non-inverted signals; a waveform shaping means that reads and shapes both output signals of the amplifier circuit and outputs the output signals; Differentiating each output signal of the shaping means,
pulse signal generating means for generating two pulse signals corresponding to each edge; and when the two pulse signals are each output once within a predetermined period related to the detection result, the binary data is generated. Detect that is significant 2
A data reading device comprising: value data detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15406588U JPH0276366U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15406588U JPH0276366U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276366U true JPH0276366U (en) | 1990-06-12 |
Family
ID=31430463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15406588U Pending JPH0276366U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276366U (en) |
-
1988
- 1988-11-25 JP JP15406588U patent/JPH0276366U/ja active Pending
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