JPS58114673U - Time axis fluctuation correction circuit - Google Patents
Time axis fluctuation correction circuitInfo
- Publication number
- JPS58114673U JPS58114673U JP941582U JP941582U JPS58114673U JP S58114673 U JPS58114673 U JP S58114673U JP 941582 U JP941582 U JP 941582U JP 941582 U JP941582 U JP 941582U JP S58114673 U JPS58114673 U JP S58114673U
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- time axis
- axis fluctuation
- correction circuit
- 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
- Television Signal Processing For Recording (AREA)
- Optical Recording Or Reproduction (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
鯖１図は従来例を示すブロック図、第２図乃至 ′
第４図は本考案に係り、第２図は本考案の一実施例を示
すブロック図、第３図は本考案の具体的回路図、第４ａ
図は本考案の作用を示す説明図であ゛る。
′
２１・・・記録信号検出手段、２２・・・記録媒体、２
５・・・可変周波数発振器、２９・・・信号欠陥検出回
路、３３・・・時間軸変動補正部。Figure 1 is a block diagram showing a conventional example, and Figures 2 to '
Fig. 4 relates to the present invention, Fig. 2 is a block diagram showing an embodiment of the present invention, Fig. 3 is a specific circuit diagram of the present invention, Fig. 4a
The figure is an explanatory diagram showing the operation of the present invention.
' 21... Recording signal detection means, 22... Recording medium, 2
5... Variable frequency oscillator, 29... Signal defect detection circuit, 33... Time axis fluctuation correction section.
Claims (1)
の出力とし、該出力を可変周波数発振器の出力と混合す
ることにより周波数変換された出力を第２の出力とし、
この第２の出力の時間軸変動を検出し、この検出信号を
前記記録信号検出手段に付設された時間軸変動補正部に
帰還すると同時に前記可変周波数発振器にも帰還するこ
とにより、時間軸変動が少ない第１の出力と、周波数変
動の少ない第２の出力とを得るようにした時間軸変動補
正回路において、ピックアップされた信号中の信号欠陥
幅を検出する信号欠陥検出回路番′こより一定幅以上の
信号欠陥部を検出したときに、前記時間軸変動補正部の
補正動作を制限若しくｃｔ停止させる手段を設けると共
に前記可変周波数発振器へ帰還する信号の帰還利得を高
める手段を具備したことを特徴と子る時間軸変動補正回
路。The first signal is extracted from the recording medium by the recording signal detection means.
as an output, and a second output as a frequency-converted output by mixing the output with the output of a variable frequency oscillator,
By detecting the time axis fluctuation of this second output and feeding back this detection signal to the time axis fluctuation correction section attached to the recording signal detection means and also to the variable frequency oscillator, the time axis fluctuation is reduced. In a time-base fluctuation correction circuit that obtains a first output with a small frequency variation and a second output with a small frequency variation, a signal defect detection circuit number that detects a signal defect width in a picked-up signal exceeds a certain width. It is characterized by comprising means for limiting or stopping the correction operation of the time axis variation correction section when a signal defective portion is detected, and means for increasing the feedback gain of the signal fed back to the variable frequency oscillator. Tokoru time axis fluctuation correction circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP941582U JPS58114673U (en) | 1982-01-28 | 1982-01-28 | Time axis fluctuation correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP941582U JPS58114673U (en) | 1982-01-28 | 1982-01-28 | Time axis fluctuation correction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58114673U true JPS58114673U (en) | 1983-08-05 |
Family
ID=30022052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP941582U Pending JPS58114673U (en) | 1982-01-28 | 1982-01-28 | Time axis fluctuation correction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58114673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142014U (en) * | 1987-03-06 | 1988-09-19 | ||
| US9339986B2 (en) | 2009-10-09 | 2016-05-17 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
-
1982
- 1982-01-28 JP JP941582U patent/JPS58114673U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142014U (en) * | 1987-03-06 | 1988-09-19 | ||
| US9339986B2 (en) | 2009-10-09 | 2016-05-17 | Volm Companies, Inc. | Open mesh material and bags made therefrom |
| US9573342B2 (en) | 2009-10-09 | 2017-02-21 | Volm Companies, Inc. | Open-mesh bags and methods of production |
| US9630375B2 (en) | 2009-10-09 | 2017-04-25 | Volm Companies, Inc. | Form, fill, and seal bags and method of production |
| US10934042B2 (en) | 2009-10-09 | 2021-03-02 | Volm Companies, Inc. | Method of making form, fill, and seal bags |
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