NL7207968A - - Google Patents
Info
- Publication number
- NL7207968A NL7207968A NL7207968A NL7207968A NL7207968A NL 7207968 A NL7207968 A NL 7207968A NL 7207968 A NL7207968 A NL 7207968A NL 7207968 A NL7207968 A NL 7207968A NL 7207968 A NL7207968 A NL 7207968A
- 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
- G09B15/00—Teaching music
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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)
- Multimedia (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Electrically Operated Instructional Devices (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH889771 | 1971-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7207968A true NL7207968A (en:Method) | 1972-12-20 |
Family
ID=4345997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7207968A NL7207968A (en:Method) | 1971-06-18 | 1972-06-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3843137A (en:Method) |
| CH (1) | CH545519A (en:Method) |
| DE (1) | DE2229069A1 (en:Method) |
| FR (1) | FR2142541A5 (en:Method) |
| GB (1) | GB1398614A (en:Method) |
| IT (1) | IT959319B (en:Method) |
| NL (1) | NL7207968A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8122892A0 (it) * | 1981-07-13 | 1981-07-13 | Rozzano Milano | Metodo per l'autoregistrazione del canto su musicassetta fornita di base musicale. |
-
1971
- 1971-06-18 CH CH889771A patent/CH545519A/xx not_active IP Right Cessation
-
1972
- 1972-06-12 NL NL7207968A patent/NL7207968A/xx not_active Application Discontinuation
- 1972-06-13 US US00262314A patent/US3843137A/en not_active Expired - Lifetime
- 1972-06-14 GB GB2778072A patent/GB1398614A/en not_active Expired
- 1972-06-15 DE DE19722229069 patent/DE2229069A1/de not_active Withdrawn
- 1972-06-16 IT IT68949/72A patent/IT959319B/it active
- 1972-06-16 FR FR7222463A patent/FR2142541A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3843137A (en) | 1974-10-22 |
| CH545519A (en:Method) | 1974-01-31 |
| DE2229069A1 (de) | 1972-12-28 |
| GB1398614A (en) | 1975-06-25 |
| FR2142541A5 (en:Method) | 1973-01-26 |
| IT959319B (it) | 1973-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |