NL7406483A - - Google Patents
Info
- Publication number
- NL7406483A NL7406483A NL7406483A NL7406483A NL7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A
- Authority
- NL
- Netherlands
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
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
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)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973057045U JPS548825Y2 (en:Method) | 1973-05-15 | 1973-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7406483A true NL7406483A (en:Method) | 1974-11-19 |
Family
ID=13044467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7406483A NL7406483A (en:Method) | 1973-05-15 | 1974-05-14 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3969831A (en:Method) |
| JP (1) | JPS548825Y2 (en:Method) |
| CA (1) | CA1015557A (en:Method) |
| DE (1) | DE2423025C3 (en:Method) |
| FR (1) | FR2230031B1 (en:Method) |
| GB (1) | GB1467675A (en:Method) |
| IT (1) | IT1033075B (en:Method) |
| NL (1) | NL7406483A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50136676U (en:Method) * | 1974-04-25 | 1975-11-11 | ||
| JPS60148232U (ja) * | 1984-03-13 | 1985-10-02 | 岐阜プラスチック工業株式会社 | 折りたたみ式間仕切り |
| US4817127A (en) * | 1986-08-08 | 1989-03-28 | Dictaphone Corporation | Modular dictation/transcription system |
| FR2673024B1 (fr) * | 1991-01-29 | 1994-11-18 | Sonodac | Dispositif formant laboratoire de langues portable. |
| JP4904971B2 (ja) * | 2006-08-01 | 2012-03-28 | ヤマハ株式会社 | 演奏教習用設定装置及びプログラム |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3200516A (en) * | 1961-04-21 | 1965-08-17 | Fleetwood Furniture Company | Electronic teaching device |
| US3181253A (en) * | 1962-03-20 | 1965-05-04 | Candreva George | Laboratory teaching system |
| US3217428A (en) * | 1963-07-24 | 1965-11-16 | Stuart M Spaulding | Teaching laboratory |
| US3315375A (en) * | 1964-05-19 | 1967-04-25 | William L Heinz | Teaching system |
| US3470785A (en) * | 1967-08-14 | 1969-10-07 | Conn Ltd C G | Teaching aid for electric keyboard instrument |
| US3462855A (en) * | 1968-10-14 | 1969-08-26 | Judson E Cornish | Teaching cabinet |
| US3705271A (en) * | 1971-03-26 | 1972-12-05 | Economy Co | Audio tutoring device including recording capability |
-
1973
- 1973-05-15 JP JP1973057045U patent/JPS548825Y2/ja not_active Expired
-
1974
- 1974-05-08 GB GB2028774A patent/GB1467675A/en not_active Expired
- 1974-05-13 DE DE2423025A patent/DE2423025C3/de not_active Expired
- 1974-05-13 US US05/469,081 patent/US3969831A/en not_active Expired - Lifetime
- 1974-05-14 CA CA199,877A patent/CA1015557A/en not_active Expired
- 1974-05-14 NL NL7406483A patent/NL7406483A/xx active Search and Examination
- 1974-05-15 FR FR7416887A patent/FR2230031B1/fr not_active Expired
- 1974-05-15 IT IT7422795A patent/IT1033075B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1015557A (en) | 1977-08-16 |
| IT1033075B (it) | 1979-07-10 |
| DE2423025A1 (de) | 1974-11-21 |
| DE2423025C3 (de) | 1978-04-06 |
| DE2423025B2 (de) | 1977-08-04 |
| FR2230031A1 (en:Method) | 1974-12-13 |
| JPS503659U (en:Method) | 1975-01-16 |
| US3969831A (en) | 1976-07-20 |
| GB1467675A (en) | 1977-03-16 |
| FR2230031B1 (en:Method) | 1980-01-04 |
| JPS548825Y2 (en:Method) | 1979-04-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BN | A decision not to publish the application has become irrevocable |