KR930005424U - 지능 산수 학습기 - Google Patents

지능 산수 학습기

Info

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
Application number
KR2019910014103U
Other languages
English (en)
Other versions
KR940000241Y1 (ko
Inventor
이규주
Original Assignee
이규주
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이규주 filed Critical 이규주
Priority to KR2019910014103U priority Critical patent/KR940000241Y1/ko
Publication of KR930005424U publication Critical patent/KR930005424U/ko
Application granted granted Critical
Publication of KR940000241Y1 publication Critical patent/KR940000241Y1/ko

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass
    • G09B19/02Counting; 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)
KR2019910014103U 1991-08-31 1991-08-31 지능 산수 학습기 KR940000241Y1 (ko)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100397788B1 (ko) * 2001-05-07 2003-09-13 배재우 모형화폐와 금액표시기를 이용한 회계정보처리기

Cited By (1)

* Cited by examiner, † Cited by third party
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

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
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Year of fee payment: 7

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