JPS6077024U - Tracking servo retraction device - Google Patents
Tracking servo retraction deviceInfo
- Publication number
- JPS6077024U JPS6077024U JP16955383U JP16955383U JPS6077024U JP S6077024 U JPS6077024 U JP S6077024U JP 16955383 U JP16955383 U JP 16955383U JP 16955383 U JP16955383 U JP 16955383U JP S6077024 U JPS6077024 U JP S6077024U
- Authority
- JP
- Japan
- Prior art keywords
- tracking servo
- recording
- retraction device
- generating
- center
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head To Find And Align With The Track (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
第１図は従来のトラッキングサーボ引込装置の１例のブ
ロック図、第２図は第１図の装置の動作を説明する図、
第３図は本考案の実施例のブロック図、第４図は第３図
のブロックの動作波形図である。FIG. 1 is a block diagram of an example of a conventional tracking servo retraction device, and FIG. 2 is a diagram explaining the operation of the device in FIG. 1.
FIG. 3 is a block diagram of an embodiment of the present invention, and FIG. 4 is an operational waveform diagram of the blocks in FIG. 3.
Claims (1)
下になったときに第１検出信号を発生する手段と、前記
記録情報検出点が記録トラック中央から記録トラック間
の中央へ向けて移動しているときに第２検出信号を発生
する手段と、前記第１及び第２検出信号の同時存在時に
トラッキングサーボループをオンとする手段とを有する
ことを特徴とするトラッキングサーボ引込装置。means for generating a first detection signal when the relative velocity between the recording information detection point and the recording track becomes less than a predetermined value; and the recording information detection point moves from the center of the recording track toward the center between the recording tracks. A tracking servo pull-in device comprising: means for generating a second detection signal when the first and second detection signals are present; and means for turning on a tracking servo loop when the first and second detection signals are simultaneously present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983169553U JP2500417Y2 (en) | 1983-11-01 | 1983-11-01 | Tracking servo retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983169553U JP2500417Y2 (en) | 1983-11-01 | 1983-11-01 | Tracking servo retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6077024U true JPS6077024U (en) | 1985-05-29 |
| JP2500417Y2 JP2500417Y2 (en) | 1996-06-05 |
Family
ID=30370390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983169553U Expired - Lifetime JP2500417Y2 (en) | 1983-11-01 | 1983-11-01 | Tracking servo retractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500417Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644986A (en) * | 1987-06-29 | 1989-01-10 | Mitsubishi Electric Corp | Information memory device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538662A (en) * | 1978-09-09 | 1980-03-18 | Pioneer Video Corp | Tracking servo-drawing-in unit of optical information reader |
| JPS57120276A (en) * | 1981-01-19 | 1982-07-27 | Pioneer Electronic Corp | Tracking servo lead-in system of recorded information reader |
-
1983
- 1983-11-01 JP JP1983169553U patent/JP2500417Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538662A (en) * | 1978-09-09 | 1980-03-18 | Pioneer Video Corp | Tracking servo-drawing-in unit of optical information reader |
| JPS57120276A (en) * | 1981-01-19 | 1982-07-27 | Pioneer Electronic Corp | Tracking servo lead-in system of recorded information reader |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644986A (en) * | 1987-06-29 | 1989-01-10 | Mitsubishi Electric Corp | Information memory device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500417Y2 (en) | 1996-06-05 |
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