JPS5454023A - Illumination distribution compensating device for copier - Google Patents
Illumination distribution compensating device for copierInfo
- Publication number
- JPS5454023A JPS5454023A JP12019477A JP12019477A JPS5454023A JP S5454023 A JPS5454023 A JP S5454023A JP 12019477 A JP12019477 A JP 12019477A JP 12019477 A JP12019477 A JP 12019477A JP S5454023 A JPS5454023 A JP S5454023A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- illumination
- aperture
- light
- compensated
- 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
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12019477A JPS5454023A (en) | 1977-10-06 | 1977-10-06 | Illumination distribution compensating device for copier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12019477A JPS5454023A (en) | 1977-10-06 | 1977-10-06 | Illumination distribution compensating device for copier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5454023A true JPS5454023A (en) | 1979-04-27 |
Family
ID=14780230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12019477A Pending JPS5454023A (en) | 1977-10-06 | 1977-10-06 | Illumination distribution compensating device for copier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5454023A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114220A (en) * | 1984-11-09 | 1986-05-31 | Canon Inc | Image formation optical system |
JPH02163773A (en) * | 1988-12-19 | 1990-06-25 | Asahi Optical Co Ltd | Light quantity correcting device for copying machine |
-
1977
- 1977-10-06 JP JP12019477A patent/JPS5454023A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114220A (en) * | 1984-11-09 | 1986-05-31 | Canon Inc | Image formation optical system |
JPH0238929B2 (en) * | 1984-11-09 | 1990-09-03 | Canon Kk | |
JPH02163773A (en) * | 1988-12-19 | 1990-06-25 | Asahi Optical Co Ltd | Light quantity correcting device for copying machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20040427 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20040614 |
|
A521 | Written amendment |
Effective date: 20040728 Free format text: JAPANESE INTERMEDIATE CODE: A523 |
|
A131 | Notification of reasons for refusal |
Effective date: 20060307 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20060601 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20060714 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060907 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20061024 |
|
A313 | Final decision of rejection without a dissenting response from the applicant |
Effective date: 20070316 Free format text: JAPANESE INTERMEDIATE CODE: A313 |
|
A02 | Decision of refusal |
Effective date: 20070417 Free format text: JAPANESE INTERMEDIATE CODE: A02 |