JPS4889249U - - Google Patents
Info
- Publication number
- JPS4889249U JPS4889249U JP1210272U JP1210272U JPS4889249U JP S4889249 U JPS4889249 U JP S4889249U JP 1210272 U JP1210272 U JP 1210272U JP 1210272 U JP1210272 U JP 1210272U JP S4889249 U JPS4889249 U JP S4889249U
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Viewfinders (AREA)
- Optical Couplings Of Light Guides (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1210272U JPS4889249U (it) | 1972-01-31 | 1972-01-31 | |
| DE19732304634 DE2304634A1 (de) | 1972-01-31 | 1973-01-31 | Fokuseinstellvorrichtung fuer optische systeme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1210272U JPS4889249U (it) | 1972-01-31 | 1972-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4889249U true JPS4889249U (it) | 1973-10-27 |
Family
ID=11796193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1210272U Pending JPS4889249U (it) | 1972-01-31 | 1972-01-31 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4889249U (it) |
| DE (1) | DE2304634A1 (it) |
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1972
- 1972-01-31 JP JP1210272U patent/JPS4889249U/ja active Pending
-
1973
- 1973-01-31 DE DE19732304634 patent/DE2304634A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2304634A1 (de) | 1973-08-09 |