JPS6283217U - - Google Patents
Info
- Publication number
- JPS6283217U JPS6283217U JP17566385U JP17566385U JPS6283217U JP S6283217 U JPS6283217 U JP S6283217U JP 17566385 U JP17566385 U JP 17566385U JP 17566385 U JP17566385 U JP 17566385U JP S6283217 U JPS6283217 U JP S6283217U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- binarization
- reference signal
- level
- optical pick
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例に係る信号動作停止
装置の回路図、第２図は従来の回路図である。
１４……電圧比較器、２１……インバータ、２
２……インバータ、２６……インバータ、３０…
…ＮＰＮトランジスタ、３４……演算増幅器、５
０……ＰＮＰトランジスタ、５８……システムコ
ントロール部、Ｓｉ……入力信号、Ｓｏ……出力
信号、Ｓｒ……変換基準信号、Ｓｃ……制御信号
、Ｓｂｃ……二値化信号、Ｓｄ……積分信号、Ｓ
ｆｃ……フオーカス・サーボ信号。
FIG. 1 is a circuit diagram of a signal operation stop device according to an embodiment of the present invention, and FIG. 2 is a conventional circuit diagram. 14... Voltage comparator, 21... Inverter, 2
2...Inverter, 26...Inverter, 30...
...NPN transistor, 34...Operation amplifier, 5
0...PNP transistor, 58...System control section, Si...Input signal, So...Output signal, Sr...Conversion reference signal, Sc...Control signal, Sbc...Binarized signal, Sd...Integrator signal, S
fc...Focus servo signal.
Claims (1)
して二値化信号を出力する二値化変換回路と、前
記二値化信号に応じて両論理状態が所定の確率で
生じるように制御される変換基準信号を前記二値
化変換回路に供給する基準信号出力回路と、前記
光ピツク・アツプ信号の生起に対応した信号に応
じて前記交換基準信号の信号レベルを前記二値化
の動作が為されないレベルへとする制御回路とを
有することを特徴とする信号動作停止装置。 A binarization conversion circuit that binarizes an optical pick-up signal of a CD player and outputs a binarized signal, and a conversion that is controlled so that both logical states occur with a predetermined probability according to the binarized signal. a reference signal output circuit for supplying a reference signal to the binarization conversion circuit; and a signal level of the exchanged reference signal in response to a signal corresponding to the generation of the optical pick-up signal so that the binarization operation is not performed. A signal operation stopping device characterized in that it has a control circuit for controlling the level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17566385U JPS6283217U (en) | 1985-11-15 | 1985-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17566385U JPS6283217U (en) | 1985-11-15 | 1985-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6283217U true JPS6283217U (en) | 1987-05-27 |
Family
ID=31115197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17566385U Pending JPS6283217U (en) | 1985-11-15 | 1985-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6283217U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939145A (en) * | 1982-08-30 | 1984-03-03 | Hitachi Ltd | Data discriminating circuit |
-
1985
- 1985-11-15 JP JP17566385U patent/JPS6283217U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939145A (en) * | 1982-08-30 | 1984-03-03 | Hitachi Ltd | Data discriminating circuit |
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