KR930005424U - 지능 산수 학습기 - Google Patents
지능 산수 학습기Info
- Publication number
- KR930005424U KR930005424U KR2019910014103U KR910014103U KR930005424U KR 930005424 U KR930005424 U KR 930005424U KR 2019910014103 U KR2019910014103 U KR 2019910014103U KR 910014103 U KR910014103 U KR 910014103U KR 930005424 U KR930005424 U KR 930005424U
- Authority
- KR
- South Korea
- Prior art keywords
- learning machine
- arithmetic learning
- intelligent arithmetic
- intelligent
- machine
- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Mathematical Analysis (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Entrepreneurship & Innovation (AREA)
- Toys (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910014103U KR940000241Y1 (ko) | 1991-08-31 | 1991-08-31 | 지능 산수 학습기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910014103U KR940000241Y1 (ko) | 1991-08-31 | 1991-08-31 | 지능 산수 학습기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930005424U true KR930005424U (ko) | 1993-03-22 |
KR940000241Y1 KR940000241Y1 (ko) | 1994-01-19 |
Family
ID=19318652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019910014103U KR940000241Y1 (ko) | 1991-08-31 | 1991-08-31 | 지능 산수 학습기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940000241Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100397788B1 (ko) * | 2001-05-07 | 2003-09-13 | 배재우 | 모형화폐와 금액표시기를 이용한 회계정보처리기 |
-
1991
- 1991-08-31 KR KR2019910014103U patent/KR940000241Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100397788B1 (ko) * | 2001-05-07 | 2003-09-13 | 배재우 | 모형화폐와 금액표시기를 이용한 회계정보처리기 |
Also Published As
Publication number | Publication date |
---|---|
KR940000241Y1 (ko) | 1994-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20000718 Year of fee payment: 7 |
|
LAPS | Lapse due to unpaid annual fee |