JPH0239318U - - Google Patents
Info
- Publication number
- JPH0239318U JPH0239318U JP11676388U JP11676388U JPH0239318U JP H0239318 U JPH0239318 U JP H0239318U JP 11676388 U JP11676388 U JP 11676388U JP 11676388 U JP11676388 U JP 11676388U JP H0239318 U JPH0239318 U JP H0239318U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- recording medium
- information recording
- detection section
- 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 description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11676388U JPH0239318U (xx) | 1988-09-05 | 1988-09-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11676388U JPH0239318U (xx) | 1988-09-05 | 1988-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0239318U true JPH0239318U (xx) | 1990-03-16 |
Family
ID=31359598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11676388U Pending JPH0239318U (xx) | 1988-09-05 | 1988-09-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0239318U (xx) |
-
1988
- 1988-09-05 JP JP11676388U patent/JPH0239318U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0147749B1 (en) | Optical head | |
JPH0239318U (xx) | ||
JPH0690817B2 (ja) | 光ピツクアツプ | |
JPH03157821A (ja) | 光ピックアップ | |
JPS6123572B2 (xx) | ||
JPS5982337U (ja) | 光学式ピツクアツプ | |
JPH0656673B2 (ja) | 光ピツクアツプ | |
JPS60135818U (ja) | フオ−カス誤差検出装置 | |
JPH0281330A (ja) | 光記録再生装置 | |
JPS59157223U (ja) | 光ピツクアツプ装置 | |
JPH02140625U (xx) | ||
JPS6198228U (xx) | ||
JPS63239401A (ja) | 光学ヘッド用のビ−ムスプリッタ− | |
JPS5974526U (ja) | 光学読取系におけるフオ−カスエラ−検出装置 | |
JPH0384913U (xx) | ||
JPS59138025U (ja) | 光学的記録再生装置 | |
JPS63317931A (ja) | 光学ヘッド | |
JPS5850630A (ja) | 光学的情報読み取り装置における信号検出装置 | |
JPH03192539A (ja) | 光ピックアップ装置 | |
JPH0384912U (xx) | ||
JPS60180325U (ja) | フオ−カスエラ−信号検出装置 | |
JPH01154515U (xx) | ||
JPS59198539A (ja) | 光学式記録再生装置 | |
JPH03102113U (xx) | ||
JPH0547029A (ja) | 光ヘツド装置 |