CH538743A - Lehrgerät - Google Patents

Lehrgerät

Info

Publication number: CH538743A
Authority: CH; Switzerland
Prior art keywords: teaching device; teaching
Prior art date: 1971-07-23

Application number

CH502072A

Other languages

English (en)

Inventor

Eberle Max

Original Assignee

Eberle Werke Kg

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.)

1971-07-23

Filing date

1972-04-06

Publication date

1973-06-30

1972-04-06 Application filed by Eberle Werke Kg filed Critical Eberle Werke Kg

1973-06-30 Publication of CH538743A publication Critical patent/CH538743A/de

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
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/06—Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Business, Economics & Management (AREA)
Physics & Mathematics (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
General Physics & Mathematics (AREA)
Electrically Operated Instructional Devices (AREA)

CH502072A 1971-07-23 1972-04-06 Lehrgerät CH538743A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712136848 DE2136848A1 (de)	1971-07-23	1971-07-23	Lehrsystem

Publications (1)

Publication Number	Publication Date
CH538743A true CH538743A (de)	1973-06-30

Family

ID=5814592

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH502072A CH538743A (de)	1971-07-23	1972-04-06	Lehrgerät

Country Status (3)

Country	Link
BE (1)	BE782457A (de)
CH (1)	CH538743A (de)
DE (1)	DE2136848A1 (de)

1971
- 1971-07-23 DE DE19712136848 patent/DE2136848A1/de active Pending
1972
- 1972-04-06 CH CH502072A patent/CH538743A/de not_active IP Right Cessation
- 1972-04-21 BE BE782457A patent/BE782457A/xx unknown

Also Published As

Publication number	Publication date
DE2136848A1 (de)	1972-11-09
BE782457A (fr)	1972-08-16

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Legal Events

Date	Code	Title	Description
1976-11-15	PL	Patent ceased