JPS6144256Y2 - - Google Patents
Info
- Publication number
- JPS6144256Y2 JPS6144256Y2 JP17246779U JP17246779U JPS6144256Y2 JP S6144256 Y2 JPS6144256 Y2 JP S6144256Y2 JP 17246779 U JP17246779 U JP 17246779U JP 17246779 U JP17246779 U JP 17246779U JP S6144256 Y2 JPS6144256 Y2 JP S6144256Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- disk
- protective cover
- receiving element
- light beam
- 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.)
- Expired
Links
- 230000001681 protective effect Effects 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17246779U JPS6144256Y2 (enrdf_load_stackoverflow) | 1979-12-12 | 1979-12-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17246779U JPS6144256Y2 (enrdf_load_stackoverflow) | 1979-12-12 | 1979-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5690743U JPS5690743U (enrdf_load_stackoverflow) | 1981-07-20 |
JPS6144256Y2 true JPS6144256Y2 (enrdf_load_stackoverflow) | 1986-12-13 |
Family
ID=29683273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17246779U Expired JPS6144256Y2 (enrdf_load_stackoverflow) | 1979-12-12 | 1979-12-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6144256Y2 (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58100234A (ja) * | 1981-12-10 | 1983-06-14 | Teac Co | 光学再生装置 |
JPS58102340A (ja) * | 1981-12-11 | 1983-06-17 | Teac Co | 光学再生装置 |
JPH02118920A (ja) * | 1989-09-22 | 1990-05-07 | Teac Corp | 光学再生装置 |
-
1979
- 1979-12-12 JP JP17246779U patent/JPS6144256Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5690743U (enrdf_load_stackoverflow) | 1981-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6445660B1 (en) | Apparatus for recording and/or reproducing information and/or from optical information record disk | |
JPH0554406A (ja) | 光デイスク装置 | |
KR100637880B1 (ko) | 광헤드장치 및 광디스크장치 | |
JPS6144256Y2 (enrdf_load_stackoverflow) | ||
US6345025B1 (en) | Apparatus for recording and/or reproducing information and/or from optical information record disk | |
JPS63146235A (ja) | 光学式情報記録再生装置 | |
JPS6192432A (ja) | 光デイスク装置 | |
JPS61931A (ja) | 光学式記録再生装置 | |
JPH0210575Y2 (enrdf_load_stackoverflow) | ||
JPS6120659Y2 (enrdf_load_stackoverflow) | ||
JPS58211337A (ja) | 光学式情報再生装置 | |
JPS6038770B2 (ja) | 光学式情報読取装置のフォ−カスレンズ異常位置検出装置 | |
JPH0684200A (ja) | 光記録再生装置 | |
JPS6276032A (ja) | 光デイスクの自動焦点制御方式 | |
JP2003338064A (ja) | 光ディスク装置 | |
JPH1021575A (ja) | 光ピックアップ | |
JPH03216817A (ja) | 光ディスク装置 | |
JPH09204750A (ja) | カートリッジ | |
JPS61296541A (ja) | 光学式記録再生装置 | |
JPH0869663A (ja) | 光ディスクの判別方法 | |
JPS61196433A (ja) | トラツキング用アクチユエ−タ | |
JPH0944857A (ja) | ディスク装置 |