NL6918317A - - Google Patents
Info
- Publication number
- NL6918317A NL6918317A NL6918317A NL6918317A NL6918317A NL 6918317 A NL6918317 A NL 6918317A NL 6918317 A NL6918317 A NL 6918317A NL 6918317 A NL6918317 A NL 6918317A NL 6918317 A NL6918317 A NL 6918317A
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43090683A JPS4914256B1 (de) | 1968-12-06 | 1968-12-06 | |
| JP43091266A JPS507446B1 (de) | 1968-12-09 | 1968-12-09 | |
| JP43092151A JPS4914257B1 (de) | 1968-12-10 | 1968-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6918317A true NL6918317A (de) | 1970-06-09 |
Family
ID=27306508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6918317A NL6918317A (de) | 1968-12-06 | 1969-12-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3641507A (de) |
| CA (1) | CA922507A (de) |
| DE (1) | DE1961905C3 (de) |
| FR (1) | FR2025547A1 (de) |
| GB (1) | GB1298562A (de) |
| NL (1) | NL6918317A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4172329A (en) * | 1977-07-06 | 1979-10-30 | Chen Shih Chiao | Multi-function tape recorder having automatic timing and signalling system for training purpose |
| US4539436A (en) * | 1977-11-30 | 1985-09-03 | Theis Peter F | Programmed conversation recording system |
| US4692817A (en) * | 1977-11-30 | 1987-09-08 | Morgan Industries, Inc. | Programmed conversation recording system |
| FR2486288A1 (fr) * | 1980-07-01 | 1982-01-08 | Kanny Louis | Dispositif electronique pour mise en marche et arret automatique par la parole d'un magnetophone |
| US5356287A (en) * | 1987-03-16 | 1994-10-18 | Mcintyre Kevin M | Simulating presence |
| US5087205A (en) * | 1988-08-24 | 1992-02-11 | Chen Abraham Y | Adjustable interactive audio training system |
| CN103297885B (zh) * | 2012-02-22 | 2015-08-26 | 腾讯科技（深圳）有限公司 | 一种耳机线控装置、耳机、语音录制系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280271A (en) * | 1961-03-03 | 1966-10-18 | Gen Electronic Lab Inc | Teaching apparatus and method using sound recording |
| US3199226A (en) * | 1961-09-29 | 1965-08-10 | Chester Electronic Lab Inc | Teaching machine |
| US3234666A (en) * | 1963-10-21 | 1966-02-15 | Hyman Hurvitz | Teaching machine |
| US3426339A (en) * | 1965-10-24 | 1969-02-04 | Rich Eng Inc | Information storage and playback system |
| US3405461A (en) * | 1965-11-26 | 1968-10-15 | Chester Electronic Lab Inc | Recording-playback system and control therefor |
| US3423850A (en) * | 1966-10-17 | 1969-01-28 | Rene C Snepvangers | Automated teaching apparatus |
| US3484955A (en) * | 1967-10-24 | 1969-12-23 | Sayre Ross | Teaching machine |
-
1969
- 1969-12-03 US US881766A patent/US3641507A/en not_active Expired - Lifetime
- 1969-12-05 CA CA069090A patent/CA922507A/en not_active Expired
- 1969-12-05 NL NL6918317A patent/NL6918317A/xx unknown
- 1969-12-05 FR FR6942127A patent/FR2025547A1/fr active Pending
- 1969-12-05 DE DE1961905A patent/DE1961905C3/de not_active Expired
- 1969-12-08 GB GB59894/69A patent/GB1298562A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1961905A1 (de) | 1970-08-27 |
| CA922507A (en) | 1973-03-13 |
| US3641507A (en) | 1972-02-08 |
| FR2025547A1 (de) | 1970-09-11 |
| DE1961905C3 (de) | 1975-10-16 |
| DE1961905B2 (de) | 1975-03-06 |
| GB1298562A (en) | 1972-12-06 |