PT66385B - Improvements in learning devices - Google Patents

Improvements in learning devices

Info

Publication number
PT66385B
PT66385B PT6638577A PT6638577A PT66385B PT 66385 B PT66385 B PT 66385B PT 6638577 A PT6638577 A PT 6638577A PT 6638577 A PT6638577 A PT 6638577A PT 66385 B PT66385 B PT 66385B
Authority
PT
Portugal
Prior art keywords
learning devices
learning
devices
Prior art date
Application number
PT6638577A
Other languages
English (en)
Other versions
PT66385A (en
Original Assignee
Stillit Gerald Barry
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 Stillit Gerald Barry filed Critical Stillit Gerald Barry
Publication of PT66385A publication Critical patent/PT66385A/pt
Publication of PT66385B publication Critical patent/PT66385B/pt

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
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
PT6638577A 1976-04-02 1977-04-01 Improvements in learning devices PT66385B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1346076 1976-04-02

Publications (2)

Publication Number Publication Date
PT66385A PT66385A (en) 1977-05-01
PT66385B true PT66385B (en) 1978-09-11

Family

ID=10023385

Family Applications (1)

Application Number Title Priority Date Filing Date
PT6638577A PT66385B (en) 1976-04-02 1977-04-01 Improvements in learning devices

Country Status (3)

Country Link
FR (1) FR2356219A1 (pt)
IT (1) IT1116727B (pt)
PT (1) PT66385B (pt)

Also Published As

Publication number Publication date
FR2356219A1 (fr) 1978-01-20
IT1116727B (it) 1986-02-10
PT66385A (en) 1977-05-01

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