GB232531A - - Google Patents
Info
- Publication number
- GB232531A GB232531A GB1718/25A GB171825A GB232531A GB 232531 A GB232531 A GB 232531A GB 1718/25 A GB1718/25 A GB 1718/25A GB 171825 A GB171825 A GB 171825A GB 232531 A GB232531 A GB 232531A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens
- component
- lenses
- doublet
- negative
- 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.)
- Expired
Links
- 238000012937 correction Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10B—ORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
- G10B1/00—General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus
- G10B1/08—General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus of harmoniums, i.e. reed organs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE234743X | 1924-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB232531A true GB232531A (enrdf_load_stackoverflow) | 1925-04-23 |
Family
ID=5893197
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1718/25A Expired GB232531A (enrdf_load_stackoverflow) | 1924-10-24 | 1925-01-20 | |
| GB1719/25A Expired GB234743A (en) | 1924-10-24 | 1925-01-20 | Photographic lens |
| GB3078/25A Expired GB232533A (enrdf_load_stackoverflow) | 1924-10-24 | 1925-02-03 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1719/25A Expired GB234743A (en) | 1924-10-24 | 1925-01-20 | Photographic lens |
| GB3078/25A Expired GB232533A (enrdf_load_stackoverflow) | 1924-10-24 | 1925-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| GB (3) | GB232531A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552013A (en) * | 1978-10-13 | 1980-04-16 | Canon Inc | Soft focus lens |
-
1925
- 1925-01-20 GB GB1718/25A patent/GB232531A/en not_active Expired
- 1925-01-20 GB GB1719/25A patent/GB234743A/en not_active Expired
- 1925-02-03 GB GB3078/25A patent/GB232533A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB234743A (en) | 1925-06-04 |
| GB232533A (enrdf_load_stackoverflow) | 1925-04-23 |
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