DE233226C - - Google Patents
Info
- Publication number
- DE233226C DE233226C DENDAT233226D DE233226DA DE233226C DE 233226 C DE233226 C DE 233226C DE NDAT233226 D DENDAT233226 D DE NDAT233226D DE 233226D A DE233226D A DE 233226DA DE 233226 C DE233226 C DE 233226C
- Authority
- DE
- Germany
- Prior art keywords
- slide
- roller
- scale
- ring
- pressed
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE233226C true DE233226C (cs) |
Family
ID=493182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT233226D Active DE233226C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE233226C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609724A (en) * | 1948-08-20 | 1952-09-09 | Rca Corp | Shutter for motion-picture projectors |
-
0
- DE DENDAT233226D patent/DE233226C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609724A (en) * | 1948-08-20 | 1952-09-09 | Rca Corp | Shutter for motion-picture projectors |
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