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KR890003359U - Q & A - Google Patents

Q & A

Info

Publication number
KR890003359U
KR890003359U KR2019870011603U KR870011603U KR890003359U KR 890003359 U KR890003359 U KR 890003359U KR 2019870011603 U KR2019870011603 U KR 2019870011603U KR 870011603 U KR870011603 U KR 870011603U KR 890003359 U KR890003359 U KR 890003359U
Authority
KR
South Korea
Application number
KR2019870011603U
Other languages
Korean (ko)
Other versions
KR900005549Y1 (en
Inventor
유백천
Original Assignee
이규주
유백천
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, 유백천 filed Critical 이규주
Priority to KR2019870011603U priority Critical patent/KR900005549Y1/en
Publication of KR890003359U publication Critical patent/KR890003359U/en
Application granted granted Critical
Publication of KR900005549Y1 publication Critical patent/KR900005549Y1/en

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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/062—Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon
    • 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
    • G09B19/06—Foreign languages
    • 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
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Multimedia (AREA)
  • Toys (AREA)
KR2019870011603U 1987-07-15 1987-07-15 Teaching equipment of questions and answers confirmation KR900005549Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870011603U KR900005549Y1 (en) 1987-07-15 1987-07-15 Teaching equipment of questions and answers confirmation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870011603U KR900005549Y1 (en) 1987-07-15 1987-07-15 Teaching equipment of questions and answers confirmation

Publications (2)

Publication Number Publication Date
KR890003359U true KR890003359U (en) 1989-04-13
KR900005549Y1 KR900005549Y1 (en) 1990-06-20

Family

ID=19265298

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870011603U KR900005549Y1 (en) 1987-07-15 1987-07-15 Teaching equipment of questions and answers confirmation

Country Status (1)

Country Link
KR (1) KR900005549Y1 (en)

Also Published As

Publication number Publication date
KR900005549Y1 (en) 1990-06-20

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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
LAPS Lapse due to unpaid annual fee