JPS51144637A - Photo-divider - Google Patents
Photo-dividerInfo
- Publication number
- JPS51144637A JPS51144637A JP50068768A JP6876875A JPS51144637A JP S51144637 A JPS51144637 A JP S51144637A JP 50068768 A JP50068768 A JP 50068768A JP 6876875 A JP6876875 A JP 6876875A JP S51144637 A JPS51144637 A JP S51144637A
- Authority
- JP
- Japan
- Prior art keywords
- photometry
- divider
- photo
- enlarging
- images
- 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
Abstract
PURPOSE: When photometry is carried out by using two diffraction gratings, the enlarging one diffraction grating ensures center spot photometry and mean photometry of images.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50068768A JPS51144637A (en) | 1975-06-06 | 1975-06-06 | Photo-divider |
US05/691,628 US4103153A (en) | 1975-06-06 | 1976-06-01 | Device for measuring light incident on an image forming optical system |
US05/869,447 US4178084A (en) | 1975-06-06 | 1978-01-16 | Device for measuring light incident on an image forming optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50068768A JPS51144637A (en) | 1975-06-06 | 1975-06-06 | Photo-divider |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51144637A true JPS51144637A (en) | 1976-12-11 |
Family
ID=13383232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50068768A Pending JPS51144637A (en) | 1975-06-06 | 1975-06-06 | Photo-divider |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51144637A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5556351A (en) * | 1993-04-28 | 1996-09-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5713812A (en) * | 1995-09-19 | 1998-02-03 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5728025A (en) * | 1995-04-18 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5728024A (en) * | 1995-03-16 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5749803A (en) * | 1995-09-13 | 1998-05-12 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5823907A (en) * | 1996-05-30 | 1998-10-20 | Tochigi Fuji Sangyo Kabushiki Kaisha | Access hole for differential apparatus |
US5839986A (en) * | 1996-07-23 | 1998-11-24 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential device with disconnect |
US5904634A (en) * | 1996-10-30 | 1999-05-18 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus with additional speed increasing gear and speed decreasing gear selectively engageable with a single output shaft |
US8201471B2 (en) | 2005-09-28 | 2012-06-19 | Enplas Corporation | Gears and gearing apparatus |
-
1975
- 1975-06-06 JP JP50068768A patent/JPS51144637A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5556351A (en) * | 1993-04-28 | 1996-09-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5728024A (en) * | 1995-03-16 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5728025A (en) * | 1995-04-18 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5749803A (en) * | 1995-09-13 | 1998-05-12 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5713812A (en) * | 1995-09-19 | 1998-02-03 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
US5823907A (en) * | 1996-05-30 | 1998-10-20 | Tochigi Fuji Sangyo Kabushiki Kaisha | Access hole for differential apparatus |
US5839986A (en) * | 1996-07-23 | 1998-11-24 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential device with disconnect |
US5904634A (en) * | 1996-10-30 | 1999-05-18 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus with additional speed increasing gear and speed decreasing gear selectively engageable with a single output shaft |
US8201471B2 (en) | 2005-09-28 | 2012-06-19 | Enplas Corporation | Gears and gearing apparatus |
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