JPS52109349A - Information reference equipment - Google Patents
Information reference equipmentInfo
- Publication number
- JPS52109349A JPS52109349A JP2587176A JP2587176A JPS52109349A JP S52109349 A JPS52109349 A JP S52109349A JP 2587176 A JP2587176 A JP 2587176A JP 2587176 A JP2587176 A JP 2587176A JP S52109349 A JPS52109349 A JP S52109349A
- Authority
- JP
- Japan
- Prior art keywords
- information reference
- reference equipment
- mark
- information
- magnifications
- 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
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
PURPOSE: To obtain the equipment easily operated by providing the mark equivalent to the each information partition to the information medium, by detecting this mark and by automatically alternating the magnifications of the photo system to eliminate the operations for the lens alternation unit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2587176A JPS52109349A (en) | 1976-03-10 | 1976-03-10 | Information reference equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2587176A JPS52109349A (en) | 1976-03-10 | 1976-03-10 | Information reference equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52109349A true JPS52109349A (en) | 1977-09-13 |
Family
ID=12177841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2587176A Pending JPS52109349A (en) | 1976-03-10 | 1976-03-10 | Information reference equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52109349A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6232434A (en) * | 1985-08-05 | 1987-02-12 | Minolta Camera Co Ltd | Microfilm |
US4875768A (en) * | 1987-04-03 | 1989-10-24 | Minolta Camera Kabushiki Kaisha | Microfiche reading apparatus |
US4952052A (en) * | 1987-05-08 | 1990-08-28 | Minolta Camera Kabushiki Kaisha | Microfilm reader for microfiche films |
-
1976
- 1976-03-10 JP JP2587176A patent/JPS52109349A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6232434A (en) * | 1985-08-05 | 1987-02-12 | Minolta Camera Co Ltd | Microfilm |
US4875768A (en) * | 1987-04-03 | 1989-10-24 | Minolta Camera Kabushiki Kaisha | Microfiche reading apparatus |
US4952052A (en) * | 1987-05-08 | 1990-08-28 | Minolta Camera Kabushiki Kaisha | Microfilm reader for microfiche films |
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