ES2191U - Optical system window, with two or more lenses, for doors. (Machine-translation by Google Translate, not legally binding) - Google Patents
Optical system window, with two or more lenses, for doors. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES2191U ES2191U ES0002191U ES2191U ES2191U ES 2191 U ES2191 U ES 2191U ES 0002191 U ES0002191 U ES 0002191U ES 2191 U ES2191 U ES 2191U ES 2191 U ES2191 U ES 2191U
- Authority
- ES
- Spain
- Prior art keywords
- doors
- optical system
- lenses
- translation
- machine
- 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.)
- Granted
Links
Landscapes
- Lenses (AREA)
- Eyeglasses (AREA)
Abstract
A peephole of optical system of two or more lenses, for doors, characterized by the following: 1.-Because it is constituted by an optical system composed of two elements, one anterior and one posterior, joined by a metallic armature, the previous element having a divergent effect and the pole or ocular effect converging. 2.-Because the referred elements can be composed of one lens or more. 3.-Because the rear element is joined to the previous one by a cylindrical reinforcement, provided with a thread that allows adapting it to doors or walls of different thicknesses. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0002191U ES2191Y (en) | 1933-12-08 | 1933-12-08 | Optical system peephole, with two or more lenses, for doors. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0002191U ES2191Y (en) | 1933-12-08 | 1933-12-08 | Optical system peephole, with two or more lenses, for doors. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2191U true ES2191U (en) | 1934-01-01 |
| ES2191Y ES2191Y (en) | 1934-05-01 |
Family
ID=51066878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0002191U Expired ES2191Y (en) | 1933-12-08 | 1933-12-08 | Optical system peephole, with two or more lenses, for doors. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2191Y (en) |
-
1933
- 1933-12-08 ES ES0002191U patent/ES2191Y/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES2191Y (en) | 1934-05-01 |
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