JPH01107059U - - Google Patents
Info
- Publication number
- JPH01107059U JPH01107059U JP20066287U JP20066287U JPH01107059U JP H01107059 U JPH01107059 U JP H01107059U JP 20066287 U JP20066287 U JP 20066287U JP 20066287 U JP20066287 U JP 20066287U JP H01107059 U JPH01107059 U JP H01107059U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- compact disc
- disc player
- test signal
- test
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図はこの考案の一実施例に係るコンパクト
デイスクプレーヤの再生系のブロツク図、第２図
はこの考案の他の実施例を示すブロツク図、第３
図は従来のコンパクトデイスクプレーヤの再生系
のブロツク図である。
１０：光ピツクアツプ、１２：信号処理回路、
１４：Ｄ／Ａコンバータ、１６：出力アンプ、１
８：データセレクタ回路、２０，２０Ａ：システ
ム制御回路、２２：テスト信号データ発生回路、
２４：メモリ、２６：読出し用アドレスカウンタ
、２８：プレイキー、３０：テストキー、３２：
切換スイツチ、３４：発振器。
Fig. 1 is a block diagram of a playback system of a compact disc player according to one embodiment of this invention, Fig. 2 is a block diagram showing another embodiment of this invention, and Fig. 3 is a block diagram showing another embodiment of this invention.
The figure is a block diagram of the playback system of a conventional compact disc player. 10: Optical pickup, 12: Signal processing circuit,
14: D/A converter, 16: Output amplifier, 1
8: data selector circuit, 20, 20A: system control circuit, 22: test signal data generation circuit,
24: Memory, 26: Read address counter, 28: Play key, 30: Test key, 32:
Changeover switch, 34: Oscillator.
Claims (1)
するコンパクトデイスクプレーヤにおいて、 所定の信号特性を有する録音用のテスト信号を
発生するテスト信号発生手段と、 再生信号とテスト信号とを切換出力させる信号
切換手段と、 を備えたことを特徴とするコンパクトデイスクプ
レーヤ。[Claim for Utility Model Registration] A compact disc player that reads a recorded signal on a disc and outputs a playback signal, comprising: a test signal generating means for generating a test signal for recording having predetermined signal characteristics; and a playback signal and a test signal. A compact disc player characterized by comprising: a signal switching means for switching output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20066287U JPH01107059U (en) | 1987-12-31 | 1987-12-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20066287U JPH01107059U (en) | 1987-12-31 | 1987-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107059U true JPH01107059U (en) | 1989-07-19 |
Family
ID=31491058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20066287U Pending JPH01107059U (en) | 1987-12-31 | 1987-12-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107059U (en) |
-
1987
- 1987-12-31 JP JP20066287U patent/JPH01107059U/ja active Pending
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