JPS53147508A - Focus controller - Google Patents
Focus controllerInfo
- Publication number
- JPS53147508A JPS53147508A JP6180277A JP6180277A JPS53147508A JP S53147508 A JPS53147508 A JP S53147508A JP 6180277 A JP6180277 A JP 6180277A JP 6180277 A JP6180277 A JP 6180277A JP S53147508 A JPS53147508 A JP S53147508A
- Authority
- JP
- Japan
- Prior art keywords
- focus controller
- multilayer
- recording
- condensig
- distances
- 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.)
- Granted
Links
Abstract
PURPOSE: To facilitate the condensig of light onto a multilayer recording with a high accuracy by changing the carrier frequency applied to each detecting electrode formed in multilayer structure and making the distances between the recording medium surfaces set with the electrodes and a lens to electrical signals independently and simultaneously.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6180277A JPS6032262B2 (en) | 1977-05-27 | 1977-05-27 | focus adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6180277A JPS6032262B2 (en) | 1977-05-27 | 1977-05-27 | focus adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53147508A true JPS53147508A (en) | 1978-12-22 |
JPS6032262B2 JPS6032262B2 (en) | 1985-07-26 |
Family
ID=13181578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6180277A Expired JPS6032262B2 (en) | 1977-05-27 | 1977-05-27 | focus adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6032262B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0610163U (en) * | 1992-07-14 | 1994-02-08 | セイコーエプソン株式会社 | Solution container for contact lenses |
-
1977
- 1977-05-27 JP JP6180277A patent/JPS6032262B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6032262B2 (en) | 1985-07-26 |
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