DE172355C - - Google Patents
Info
- Publication number
- DE172355C DE172355C DENDAT172355D DE172355DA DE172355C DE 172355 C DE172355 C DE 172355C DE NDAT172355 D DENDAT172355 D DE NDAT172355D DE 172355D A DE172355D A DE 172355DA DE 172355 C DE172355 C DE 172355C
- Authority
- DE
- Germany
- Prior art keywords
- numbers
- song
- drums
- display device
- intonation
- 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
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/23—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of rotating members, e.g. in the form of perforations, prints, or transparencies on a drum or disc
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE172355C true DE172355C (cs) |
Family
ID=437251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT172355D Active DE172355C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE172355C (cs) |
-
0
- DE DENDAT172355D patent/DE172355C/de active Active
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