JPS4917230A - - Google Patents
Info
- Publication number
- JPS4917230A JPS4917230A JP5430272A JP5430272A JPS4917230A JP S4917230 A JPS4917230 A JP S4917230A JP 5430272 A JP5430272 A JP 5430272A JP 5430272 A JP5430272 A JP 5430272A JP S4917230 A JPS4917230 A JP S4917230A
- Authority
- JP
- Japan
- 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
- Projection-Type Copiers In General (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5430272A JPS4917230A (fr) | 1972-06-02 | 1972-06-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5430272A JPS4917230A (fr) | 1972-06-02 | 1972-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4917230A true JPS4917230A (fr) | 1974-02-15 |
Family
ID=12966762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5430272A Pending JPS4917230A (fr) | 1972-06-02 | 1972-06-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4917230A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57192929A (en) * | 1981-05-25 | 1982-11-27 | Hitachi Ltd | Projector provided with automatic focusing function |
JPS6031108A (ja) * | 1983-07-30 | 1985-02-16 | Shashin Kogyo:Kk | カメラにおける焦点自動調節方法及びその装置 |
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1972
- 1972-06-02 JP JP5430272A patent/JPS4917230A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57192929A (en) * | 1981-05-25 | 1982-11-27 | Hitachi Ltd | Projector provided with automatic focusing function |
JPH0257333B2 (fr) * | 1981-05-25 | 1990-12-04 | Hitachi Ltd | |
JPS6031108A (ja) * | 1983-07-30 | 1985-02-16 | Shashin Kogyo:Kk | カメラにおける焦点自動調節方法及びその装置 |