JPS5424327B1 - - Google Patents
Info
- Publication number
- JPS5424327B1 JPS5424327B1 JP71103332A JP10333271A JPS5424327B1 JP S5424327 B1 JPS5424327 B1 JP S5424327B1 JP 71103332 A JP71103332 A JP 71103332A JP 10333271 A JP10333271 A JP 10333271A JP S5424327 B1 JPS5424327 B1 JP S5424327B1
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Pending
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
- G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
- G09B3/06—Manually or mechanically operated teaching appliances 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
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)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Toys (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10031370A | 1970-12-21 | 1970-12-21 | |
| US10031270A | 1970-12-21 | 1970-12-21 | |
| US00106750A US3834041A (en) | 1971-01-15 | 1971-01-15 | Hand held teaching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5424327B1 true JPS5424327B1 (enExample) | 1979-08-20 |
Family
ID=27378994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP71103332A Pending JPS5424327B1 (enExample) | 1970-12-21 | 1971-12-21 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5424327B1 (enExample) |
| CA (1) | CA941156A (enExample) |
| DE (1) | DE2163652A1 (enExample) |
| FR (1) | FR2118957B1 (enExample) |
| GB (1) | GB1367109A (enExample) |
-
1971
- 1971-12-07 CA CA129,559A patent/CA941156A/en not_active Expired
- 1971-12-20 FR FR7145796A patent/FR2118957B1/fr not_active Expired
- 1971-12-21 GB GB5952271A patent/GB1367109A/en not_active Expired
- 1971-12-21 DE DE19712163652 patent/DE2163652A1/de active Pending
- 1971-12-21 JP JP71103332A patent/JPS5424327B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2118957B1 (enExample) | 1973-06-29 |
| FR2118957A1 (enExample) | 1972-08-04 |
| GB1367109A (en) | 1974-09-18 |
| AU3712471A (en) | 1973-06-28 |
| CA941156A (en) | 1974-02-05 |
| DE2163652A1 (de) | 1972-07-27 |