AT174226B - Rechengerät - Google Patents
RechengerätInfo
- Publication number
- AT174226B AT174226B AT174226DA AT174226B AT 174226 B AT174226 B AT 174226B AT 174226D A AT174226D A AT 174226DA AT 174226 B AT174226 B AT 174226B
- Authority
- AT
- Austria
- Prior art keywords
- computing device
- computing
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C1/00—Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT174226T | 1949-10-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT174226B true AT174226B (de) | 1953-03-10 |
Family
ID=3657747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT174226D AT174226B (de) | 1949-10-03 | 1949-10-03 | Rechengerät |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT174226B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295832A (en) * | 1979-11-05 | 1981-10-20 | Karell Manuel L | Educational toy |
US4993952A (en) * | 1989-10-30 | 1991-02-19 | Lucky Star Enterprise Co., Ltd. | Arithmetic counter |
-
1949
- 1949-10-03 AT AT174226D patent/AT174226B/de active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295832A (en) * | 1979-11-05 | 1981-10-20 | Karell Manuel L | Educational toy |
US4993952A (en) * | 1989-10-30 | 1991-02-19 | Lucky Star Enterprise Co., Ltd. | Arithmetic counter |
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