JPS59118112U - magnetic recording and reproducing device - Google Patents
magnetic recording and reproducing deviceInfo
- Publication number
- JPS59118112U JPS59118112U JP1137883U JP1137883U JPS59118112U JP S59118112 U JPS59118112 U JP S59118112U JP 1137883 U JP1137883 U JP 1137883U JP 1137883 U JP1137883 U JP 1137883U JP S59118112 U JPS59118112 U JP S59118112U
- Authority
- JP
- Japan
- Prior art keywords
- reproducing device
- magnetic recording
- signal
- pcm
- pass 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＰＣＭ再生信号説明図、第２図は従来のＰＣＭ
再生装置における水平同期信号及びデータ分離回路、第
３図は第２図におけるＰＣＭ再生信号、第４図は本考案
の一実施例構成図である。
１：ビデオ信号にのせられたＰＣＭ再生信号、２：イン
ピーダンス整合抵抗、３：アンプ、４：水平向 、期信
号分離コンパレータ、５：水平同期信号分離基準電圧、
６：水平同期信号、７ ：ＰＣＭ再生信号、８：データ
分離コンパレータ、９：データ分離基準電圧、ｉＱ：Ｐ
ＣＭデータ、１１：ローパス・フィルタ、１２：ローパ
ス・フィルタ通過後のＰＣＭ再生信号。Figure 1 is an explanatory diagram of the PCM reproduction signal, Figure 2 is the conventional PCM
A horizontal synchronizing signal and data separation circuit in a reproducing device, FIG. 3 is a PCM reproducing signal in FIG. 2, and FIG. 4 is a block diagram of an embodiment of the present invention. 1: PCM reproduction signal placed on the video signal, 2: Impedance matching resistor, 3: Amplifier, 4: Horizontal signal separation comparator, 5: Horizontal synchronization signal separation reference voltage,
6: Horizontal synchronization signal, 7: PCM reproduction signal, 8: Data separation comparator, 9: Data separation reference voltage, iQ:P
CM data, 11: low-pass filter, 12: PCM reproduction signal after passing through the low-pass filter.
Claims (1)
する磁気記録再生装置において、水平同期信号を含むＰ
ＣＭ再生信号が伝達されるローパス・フィルタと、この
ローパス・フィルタの出力よりＰＣＭデータを分離する
コンパレータを備えたことを特徴とする磁気記録再生装
置。In a magnetic recording/reproducing device that converts an acoustic signal into a PCM signal, records it magnetically, and reproduces it, a PCM signal including a horizontal synchronization signal is used.
A magnetic recording and reproducing device comprising: a low-pass filter through which a CM reproduction signal is transmitted; and a comparator that separates PCM data from the output of the low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1137883U JPS59118112U (en) | 1983-01-28 | 1983-01-28 | magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1137883U JPS59118112U (en) | 1983-01-28 | 1983-01-28 | magnetic recording and reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59118112U true JPS59118112U (en) | 1984-08-09 |
Family
ID=30142806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1137883U Pending JPS59118112U (en) | 1983-01-28 | 1983-01-28 | magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59118112U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525851A (en) * | 1978-08-10 | 1980-02-23 | Sanyo Electric Co Ltd | Automatic adjuster circuit for comparator level |
| JPS5589909A (en) * | 1978-12-27 | 1980-07-08 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing unit |
| JPS57105830A (en) * | 1980-11-03 | 1982-07-01 | Philips Corp | Direct current coupling type signal processor |
-
1983
- 1983-01-28 JP JP1137883U patent/JPS59118112U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525851A (en) * | 1978-08-10 | 1980-02-23 | Sanyo Electric Co Ltd | Automatic adjuster circuit for comparator level |
| JPS5589909A (en) * | 1978-12-27 | 1980-07-08 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing unit |
| JPS57105830A (en) * | 1980-11-03 | 1982-07-01 | Philips Corp | Direct current coupling type signal processor |
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