DE2143852C3 - Eingabeeinrichtung - Google Patents
EingabeeinrichtungInfo
- Publication number
- DE2143852C3 DE2143852C3 DE2143852A DE2143852A DE2143852C3 DE 2143852 C3 DE2143852 C3 DE 2143852C3 DE 2143852 A DE2143852 A DE 2143852A DE 2143852 A DE2143852 A DE 2143852A DE 2143852 C3 DE2143852 C3 DE 2143852C3
- Authority
- DE
- Germany
- Prior art keywords
- punch card
- contact plate
- contacts
- contact
- learning machine
- 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.)
- Expired
Links
- 239000004020 conductor Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000004304 visual acuity 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
- G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
- G09B11/04—Guide sheets or plates; Tracing charts
-
- 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
- G09B7/02—Electrically-operated teaching apparatus or devices 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Educational Administration (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Electrically Operated Instructional Devices (AREA)
- Manufacture Of Switches (AREA)
- Instructional Devices (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1472767 | 1970-09-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2143852A1 DE2143852A1 (de) | 1972-05-18 |
| DE2143852B2 DE2143852B2 (de) | 1977-08-25 |
| DE2143852C3 true DE2143852C3 (de) | 1978-04-13 |
Family
ID=20456930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2143852A Expired DE2143852C3 (de) | 1970-09-22 | 1971-09-01 | Eingabeeinrichtung |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3795066A (enExample) |
| AT (1) | AT323447B (enExample) |
| BE (1) | BE772936A (enExample) |
| CS (1) | CS196507B3 (enExample) |
| DE (1) | DE2143852C3 (enExample) |
| FR (1) | FR2107860B1 (enExample) |
| GB (1) | GB1346675A (enExample) |
| IT (1) | IT938802B (enExample) |
| SE (1) | SE347829B (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106027A (en) * | 1962-07-02 | 1963-10-08 | Herbert A Thelen | Instructional device |
-
1971
- 1971-08-25 AT AT742671A patent/AT323447B/de not_active IP Right Cessation
- 1971-08-31 CS CS716227A patent/CS196507B3/cs unknown
- 1971-09-01 DE DE2143852A patent/DE2143852C3/de not_active Expired
- 1971-09-08 IT IT28388/71A patent/IT938802B/it active
- 1971-09-10 GB GB4231571A patent/GB1346675A/en not_active Expired
- 1971-09-21 FR FR717133865A patent/FR2107860B1/fr not_active Expired
- 1971-09-21 SE SE11938/71A patent/SE347829B/xx unknown
- 1971-09-22 US US00182658A patent/US3795066A/en not_active Expired - Lifetime
- 1971-09-22 BE BE772936A patent/BE772936A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE347829B (enExample) | 1972-08-14 |
| FR2107860B1 (enExample) | 1973-06-29 |
| US3795066A (en) | 1974-03-05 |
| FR2107860A1 (enExample) | 1972-05-12 |
| AT323447B (de) | 1975-07-10 |
| DE2143852A1 (de) | 1972-05-18 |
| IT938802B (it) | 1973-02-10 |
| GB1346675A (en) | 1974-02-13 |
| DE2143852B2 (de) | 1977-08-25 |
| CS196507B3 (en) | 1980-03-31 |
| BE772936A (fr) | 1972-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |