JPS527254A - Reader - Google Patents
ReaderInfo
- Publication number
- JPS527254A JPS527254A JP50083321A JP8332175A JPS527254A JP S527254 A JPS527254 A JP S527254A JP 50083321 A JP50083321 A JP 50083321A JP 8332175 A JP8332175 A JP 8332175A JP S527254 A JPS527254 A JP S527254A
- Authority
- JP
- Japan
- Prior art keywords
- movable mirror
- reader
- condenser
- rotating plate
- timeshaft
- 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
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
PURPOSE: To correct both eccentricity of a rotating plate and timeshaft change with one movable mirror by locating its refrecting surface and rotating shaft of the movable mirror at an image side focus of a condenser in a reader which has a movable mirror and a condenser between the light source and a rotating plate.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50083321A JPS527254A (en) | 1975-07-07 | 1975-07-07 | Reader |
US05/703,021 US4198657A (en) | 1975-07-07 | 1976-07-06 | Optical disk reader with means for correcting errors due to eccentricity and time axis variations |
DE2630381A DE2630381C2 (en) | 1975-07-07 | 1976-07-06 | Optical reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50083321A JPS527254A (en) | 1975-07-07 | 1975-07-07 | Reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS527254A true JPS527254A (en) | 1977-01-20 |
JPS5651418B2 JPS5651418B2 (en) | 1981-12-05 |
Family
ID=13799148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50083321A Granted JPS527254A (en) | 1975-07-07 | 1975-07-07 | Reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS527254A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5627467A (en) * | 1979-08-10 | 1981-03-17 | Hitachi Ltd | Cash register |
JPS5883340A (en) * | 1982-10-04 | 1983-05-19 | Hitachi Ltd | Controller for luminous flux position |
JPS62296026A (en) * | 1986-06-14 | 1987-12-23 | 清水建設株式会社 | Method for constructing reinforced concrete structure |
-
1975
- 1975-07-07 JP JP50083321A patent/JPS527254A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5627467A (en) * | 1979-08-10 | 1981-03-17 | Hitachi Ltd | Cash register |
JPH0114635B2 (en) * | 1979-08-10 | 1989-03-13 | Hitachi Ltd | |
JPS5883340A (en) * | 1982-10-04 | 1983-05-19 | Hitachi Ltd | Controller for luminous flux position |
JPS62296026A (en) * | 1986-06-14 | 1987-12-23 | 清水建設株式会社 | Method for constructing reinforced concrete structure |
Also Published As
Publication number | Publication date |
---|---|
JPS5651418B2 (en) | 1981-12-05 |
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