KR920010141U - 광픽업의 포커스 에러 검출장치 - Google Patents
광픽업의 포커스 에러 검출장치Info
- Publication number
- KR920010141U KR920010141U KR2019900017192U KR900017192U KR920010141U KR 920010141 U KR920010141 U KR 920010141U KR 2019900017192 U KR2019900017192 U KR 2019900017192U KR 900017192 U KR900017192 U KR 900017192U KR 920010141 U KR920010141 U KR 920010141U
- Authority
- KR
- South Korea
- Prior art keywords
- detection device
- error detection
- optical pickup
- focus error
- pickup focus
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017192U KR930000841Y1 (ko) | 1990-11-10 | 1990-11-10 | 광픽업의 포커스 에러 검출장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017192U KR930000841Y1 (ko) | 1990-11-10 | 1990-11-10 | 광픽업의 포커스 에러 검출장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920010141U true KR920010141U (ko) | 1992-06-17 |
KR930000841Y1 KR930000841Y1 (ko) | 1993-02-27 |
Family
ID=19305216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900017192U KR930000841Y1 (ko) | 1990-11-10 | 1990-11-10 | 광픽업의 포커스 에러 검출장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930000841Y1 (ko) |
-
1990
- 1990-11-10 KR KR2019900017192U patent/KR930000841Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930000841Y1 (ko) | 1993-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19970829 Year of fee payment: 7 |
|
LAPS | Lapse due to unpaid annual fee |