JPS63181157U - - Google Patents
Info
- Publication number
- JPS63181157U JPS63181157U JP6929287U JP6929287U JPS63181157U JP S63181157 U JPS63181157 U JP S63181157U JP 6929287 U JP6929287 U JP 6929287U JP 6929287 U JP6929287 U JP 6929287U JP S63181157 U JPS63181157 U JP S63181157U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- information
- signal
- light source
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第1図は本考案の一実施例を示すブロツク図、
第2図は信号波形図である。
1……光デイスク、6……誤り検出訂正回路、
11……光量変動検出コンパレータ、14……コ
ントロール回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a signal waveform diagram. 1... Optical disk, 6... Error detection and correction circuit,
11... Light amount fluctuation detection comparator, 14... Control circuit.
Claims (1)
記録媒体に信号を記録するための光源と、該光源
からの出射光を上記情報信号に応じて変調し信号
を記録する記録手段と、情報記録時において上記
光源からの出射光の上記光学記録媒体からの反射
光または透過光を検出する検出手段と、上記検出
手段の出力変動を検出する出力変動検出手段とを
有し、信号の記録直後の信号再生時に上記出力変
動検出手段が所定以上の変動を検出した場合、上
記記録手段により信号の記録を再度行なうことを
特徴とする光学式情報記録再生装置。 An optical recording medium for recording information signals, a light source for recording signals on the recording medium, a recording means for modulating light emitted from the light source according to the information signal and recording the signal, and information recording. a detection means for detecting reflected light or transmitted light from the optical recording medium of the light emitted from the light source; and an output fluctuation detection means for detecting output fluctuation of the detection means; An optical information recording and reproducing apparatus characterized in that when the output fluctuation detecting means detects a fluctuation exceeding a predetermined value during signal reproduction, the recording means records the signal again.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6929287U JPS63181157U (en) | 1987-05-08 | 1987-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6929287U JPS63181157U (en) | 1987-05-08 | 1987-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63181157U true JPS63181157U (en) | 1988-11-22 |
Family
ID=30909892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6929287U Pending JPS63181157U (en) | 1987-05-08 | 1987-05-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63181157U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995010111A1 (en) * | 1993-10-06 | 1995-04-13 | Nikon Corporation | Optical disk recording device |
-
1987
- 1987-05-08 JP JP6929287U patent/JPS63181157U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995010111A1 (en) * | 1993-10-06 | 1995-04-13 | Nikon Corporation | Optical disk recording device |
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