DE260158C - - Google Patents
Info
- Publication number
- DE260158C DE260158C DENDAT260158D DE260158DA DE260158C DE 260158 C DE260158 C DE 260158C DE NDAT260158 D DENDAT260158 D DE NDAT260158D DE 260158D A DE260158D A DE 260158DA DE 260158 C DE260158 C DE 260158C
- Authority
- DE
- Germany
- Prior art keywords
- eyepiece
- magnifying glass
- place
- glass
- telescope
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims description 14
- 239000005337 ground glass Substances 0.000 claims description 13
- 230000003287 optical Effects 0.000 claims description 2
- 239000005342 prism glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE260158C true DE260158C (nl) |
Family
ID=517817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT260158D Active DE260158C (nl) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE260158C (nl) |
-
0
- DE DENDAT260158D patent/DE260158C/de active Active
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