SE319930B - - Google Patents
Info
- Publication number
- SE319930B SE319930B SE15481/64A SE1548164A SE319930B SE 319930 B SE319930 B SE 319930B SE 15481/64 A SE15481/64 A SE 15481/64A SE 1548164 A SE1548164 A SE 1548164A SE 319930 B SE319930 B SE 319930B
- Authority
- SE
- Sweden
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
- G09B3/02—Manually or mechanically operated teaching appliances 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
- G09B3/04—Manually or mechanically operated teaching appliances 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 of chart form
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)
- Pile Receivers (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO15137463 | 1963-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE319930B true SE319930B (es) | 1970-01-26 |
Family
ID=19908895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE15481/64A SE319930B (es) | 1963-12-23 | 1964-12-21 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3461570A (es) |
| AT (1) | AT261262B (es) |
| BE (1) | BE657560A (es) |
| DE (1) | DE1920219U (es) |
| ES (1) | ES110609Y (es) |
| GB (1) | GB1086918A (es) |
| NL (1) | NL6414721A (es) |
| OA (1) | OA00898A (es) |
| SE (1) | SE319930B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0641853B2 (ja) * | 1986-09-29 | 1994-06-01 | 株式会社安川電機 | 多回転式絶対値エンコ−ダ |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126646A (en) * | 1964-03-31 | Audio-visual teaching machine | ||
| US1291608A (en) * | 1916-05-26 | 1919-01-14 | Standard Parts Co | Workman's-card protector. |
| US1504256A (en) * | 1922-03-17 | 1924-08-12 | Marcuson Ellas | Paper feeding and collating device |
| US3046675A (en) * | 1960-11-16 | 1962-07-31 | Educational Aids Publishing Co | Compromise proof teaching device |
| US3106026A (en) * | 1961-06-16 | 1963-10-08 | J F Auer Inc | Teaching machine |
| US3146532A (en) * | 1961-10-18 | 1964-09-01 | Teaching Material Corp | Educational device |
| US3228118A (en) * | 1962-04-09 | 1966-01-11 | Prototech Inc | Teaching machine and the like |
| US3210864A (en) * | 1962-12-06 | 1965-10-12 | Iii James A Tillotson | Electronic device and method for testing and teaching |
-
0
- BE BE657560D patent/BE657560A/xx unknown
-
1964
- 1964-12-07 US US416267A patent/US3461570A/en not_active Expired - Lifetime
- 1964-12-08 GB GB49855/64A patent/GB1086918A/en not_active Expired
- 1964-12-17 NL NL6414721A patent/NL6414721A/xx unknown
- 1964-12-21 SE SE15481/64A patent/SE319930B/xx unknown
- 1964-12-22 DE DEJ13360U patent/DE1920219U/de not_active Expired
- 1964-12-23 OA OA50991A patent/OA00898A/xx unknown
- 1964-12-23 AT AT1087764A patent/AT261262B/de active
- 1964-12-23 ES ES110609U patent/ES110609Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE657560A (es) | |
| AT261262B (de) | 1968-04-10 |
| ES110609Y (es) | 1965-08-16 |
| NL6414721A (es) | 1965-06-24 |
| OA00898A (fr) | 1968-03-22 |
| ES110609U (es) | 1965-02-16 |
| US3461570A (en) | 1969-08-19 |
| DE1920219U (de) | 1965-07-22 |
| GB1086918A (en) | 1967-10-11 |