JPS6226619U - - Google Patents
Info
- Publication number
- JPS6226619U JPS6226619U JP11486885U JP11486885U JPS6226619U JP S6226619 U JPS6226619 U JP S6226619U JP 11486885 U JP11486885 U JP 11486885U JP 11486885 U JP11486885 U JP 11486885U JP S6226619 U JPS6226619 U JP S6226619U
- Authority
- JP
- Japan
- Prior art keywords
- pick
- circuit
- actuator
- mutating
- muting
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は、この考案の一実施例を示すブロツク
図である。第２図は、第１図の回路におけるアク
チユエータミユーテイング信号とオーデイオミユ
ーテイング信号の一例を示すタイミングチヤート
である。第３図は、第１図の回路におけるフオー
カスサーボ回路の貝体例を示す回路図である。第
４図は、第１図の回路におけるトラツキングサー
ボ回路の貝体例を示す回路図である。
１０……ピツクアツプ、３４……アクチユエー
タミユーテイング時定数回路、４６……フオーカ
スサーボミユーテイング用トランジスタ、６４…
…トラツキングサーボミユーテイング用トランジ
スタ。
FIG. 1 is a block diagram showing one embodiment of this invention. FIG. 2 is a timing chart showing an example of an actuator mutating signal and an audio mutating signal in the circuit of FIG. 1. FIG. 3 is a circuit diagram showing an example of the focus servo circuit in the circuit of FIG. 1. FIG. 4 is a circuit diagram showing an example of the tracking servo circuit in the circuit of FIG. 1. 10... Pickup, 34... Actuator mutating time constant circuit, 46... Focus servo mutating transistor, 64...
...Transistor for tracking servo mutating.
Claims (1)
ータのサーボループをミユーテイングする手段を
具備してなる光学式再生装置のピツクアツプ制動
回路。 A pick-up braking circuit for an optical playback device comprising means for muting a servo loop of a pick-up actuator when power is turned on and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11486885U JPS6226619U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11486885U JPS6226619U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6226619U true JPS6226619U (en) | 1987-02-18 |
Family
ID=30997995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11486885U Pending JPS6226619U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6226619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105332A (en) * | 1987-07-10 | 1989-04-21 | Ricoh Co Ltd | Optical pickup control system |
-
1985
- 1985-07-26 JP JP11486885U patent/JPS6226619U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105332A (en) * | 1987-07-10 | 1989-04-21 | Ricoh Co Ltd | Optical pickup control system |
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