DE2359144A1 - Audio-visuelles lehrgeraet - Google Patents
Audio-visuelles lehrgeraetInfo
- Publication number
- DE2359144A1 DE2359144A1 DE2359144A DE2359144A DE2359144A1 DE 2359144 A1 DE2359144 A1 DE 2359144A1 DE 2359144 A DE2359144 A DE 2359144A DE 2359144 A DE2359144 A DE 2359144A DE 2359144 A1 DE2359144 A1 DE 2359144A1
- Authority
- DE
- Germany
- Prior art keywords
- relay
- contact
- capacitor
- slide
- line
- Prior art date
- 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
- 239000003990 capacitor Substances 0.000 claims description 34
- 238000004804 winding Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G09B7/08—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 characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying further information
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)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK270372A DK135476C (da) | 1972-11-29 | 1972-11-29 | Audivisuelt undervisningsapparat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2359144A1 true DE2359144A1 (de) | 1974-06-12 |
Family
ID=8114829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2359144A Pending DE2359144A1 (de) | 1972-11-29 | 1973-11-28 | Audio-visuelles lehrgeraet |
Country Status (7)
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2349066A (en) * | 1942-08-26 | 1944-05-16 | Lawrie L Witter | Educational device |
| US3146534A (en) * | 1962-04-30 | 1964-09-01 | Raymond E Brown | Spelling devices |
| US3584396A (en) * | 1968-11-14 | 1971-06-15 | Jack W Hannah | Magnetic stepping device |
| US3691313A (en) * | 1969-06-14 | 1972-09-12 | Nippon Recruit Center Kk | Signal responsive control circuit for magnetic recording and reproducing apparatus |
| US3628255A (en) * | 1969-11-26 | 1971-12-21 | Gemco Inc | Apparatus for teaching or testing an applicant |
| US3755919A (en) * | 1971-04-29 | 1973-09-04 | Bales W | Slide projector specially adapted for self-teaching |
-
1972
- 1972-11-29 DK DK270372A patent/DK135476C/da active
-
1973
- 1973-11-26 GB GB5477973A patent/GB1426197A/en not_active Expired
- 1973-11-27 US US419301A patent/US3896563A/en not_active Expired - Lifetime
- 1973-11-27 CA CA186,755A patent/CA1006347A/en not_active Expired
- 1973-11-28 DE DE2359144A patent/DE2359144A1/de active Pending
- 1973-11-29 JP JP48133943A patent/JPS4995725A/ja active Pending
-
1978
- 1978-04-24 SE SE7804643A patent/SE7804643L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK135476C (da) | 1977-09-26 |
| SE7804643L (sv) | 1978-04-24 |
| US3896563A (en) | 1975-07-29 |
| JPS4995725A (US06312121-20011106-C00033.png) | 1974-09-11 |
| GB1426197A (en) | 1976-02-25 |
| DK135476B (da) | 1977-05-02 |
| CA1006347A (en) | 1977-03-08 |
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