| Patents for G09B 5 - Electrically-operated educational appliances (14,377) |
|---|
| 06/20/1989 | US4840602 Talking doll responsive to external signal |
| 06/14/1989 | CN2039445U Auto teaching machine with audio and video means |
| 06/13/1989 | US4839743 Interactive video and audio controller |
| 06/13/1989 | CA1255801A1 Voice activated echo generator |
| 06/06/1989 | US4837851 Monitoring technique for determining what location within a predetermined area is being viewed by a person |
| 06/06/1989 | US4836786 Demonstration calculator |
| 05/18/1989 | WO1989004522A1 Data processing system, particularly for domestic use |
| 05/16/1989 | US4831654 Apparatus for making and editing dictionary entries in a text to speech conversion system |
| 05/16/1989 | US4831610 Method and apparatus for interactive control of a data recording medium playback apparatus using bar code access |
| 05/09/1989 | US4828500 Apparatus and method for motion teaching |
| 05/05/1989 | WO1989004100A1 Interactive video method and apparatus |
| 05/03/1989 | EP0314572A2 Closed circuit television system having seamless interactive television programming and expandable user participation |
| 05/03/1989 | EP0313976A2 Electronic educational video system apparatus |
| 05/02/1989 | US4827085 Voice and image teleconferencing system including paperless facsimile means |
| 05/02/1989 | US4827084 Solid state image detector and signal generator |
| 05/02/1989 | CA1253336A1 Method and device for training in the operation of moving vehicles |
| 04/25/1989 | US4824376 Educational device |
| 04/25/1989 | US4824375 Sound-producing amusement or eductional apparatus |
| 04/11/1989 | US4820233 Sound-producing amusement devices |
| 04/11/1989 | US4820165 Method and kit for learning science as a language |
| 04/05/1989 | CN2035517U Training device for phonetic transriptions of chinese characters |
| 04/04/1989 | US4818827 Low force membrane switch |
| 03/29/1989 | CN1032083A Cyclic remembrance device |
| 03/22/1989 | EP0307893A2 Electronic blackboard system with marker and eraser |
| 03/15/1989 | CN2034311U Electronic teaching equipment for foetus |
| 03/14/1989 | US4812125 Interactive teaching apparatus |
| 03/09/1989 | DE3728591A1 Device for teaching birds which are kept in cages to sing and talk |
| 03/08/1989 | CN2033926U Children intelligence sound apparatus for teaching |
| 03/07/1989 | US4811273 Language learning apparatus |
| 03/01/1989 | EP0305124A2 Monitoring technique for determining what location within a predetermined area is being viewed by a person |
| 02/28/1989 | US4809246 Sound illustrated book having page indicator circuit |
| 02/21/1989 | US4807031 Interactive video method and apparatus |
| 02/15/1989 | CN2032748U Multifunctional electronic game teaching aid for children |
| 02/14/1989 | US4804328 Interactive audio-visual teaching method and device |
| 02/08/1989 | CN2032348U Card changeable rotary learning disk for correction display |
| 02/08/1989 | CN2032347U Training device for chinese phonetics |
| 02/01/1989 | CN2031954U Interference resistant reader |
| 02/01/1989 | CN1030838A Pronounceable dictionary |
| 01/18/1989 | EP0299831A1 Method for providing an interactive full motion synched compatible audio/visual television display |
| 01/18/1989 | EP0299830A1 Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals |
| 01/18/1989 | EP0299829A2 Interactive television system for providing full motion synched compatible audio/visual displays |
| 01/17/1989 | US4798543 Interactive training method and system |
| 01/04/1989 | CN1030150A Field-effect sleep and study aid |
| 01/03/1989 | US4796223 Micro-computer control for a video machine |
| 01/03/1989 | US4796099 Video still player with internal capability for executing externally-generated viewing programs |
| 12/28/1988 | CN88218022U Apparatus for helping memory |
| 12/28/1988 | CN88211398U Tape and card recorder |
| 12/27/1988 | US4793813 Computer-based education system |
| 12/20/1988 | US4792865 Disk container supporting a detachable memory |
| 12/15/1988 | WO1988009985A1 Electronic book educational publishing method using buried reference materials and alternate learning levels |
| 12/07/1988 | EP0294202A2 Digital sound data storing device |
| 12/07/1988 | EP0294201A2 Digital sound data storing device |
| 11/22/1988 | US4786983 System for recording one's own voice on tapes already recorded with musical accompaniments |
| 11/22/1988 | US4786967 Interactive video apparatus with audio and video branching |
| 11/22/1988 | US4786255 Group education system |
| 11/17/1988 | WO1988009104A1 Improved pager based information system |
| 11/17/1988 | WO1988009096A1 Remote teaching system |
| 11/17/1988 | WO1988009091A1 Pager based information system |
| 11/16/1988 | CN86207130U Audio-visual learning device for foreign language |
| 11/15/1988 | US4785472 Remote teaching system |
| 11/01/1988 | US4781596 Survey technique for readership of publications |
| 10/20/1988 | WO1988008190A1 Multi-track audio recording and process for making same |
| 10/18/1988 | US4778391 Sound-producing amusement or educational devices |
| 10/18/1988 | CA1243198A1 Teaching machine |
| 10/12/1988 | EP0286413A2 Image information display system for a lecturer |
| 10/11/1988 | US4777529 Auditory subliminal programming system |
| 10/06/1988 | WO1988007735A1 Apparatus and method for motion teaching |
| 10/05/1988 | CN88101662A Apparatus for carrying out hypnotherapies |
| 10/04/1988 | US4775935 Video merchandising system with variable and adoptive product sequence presentation order |
| 09/28/1988 | EP0283819A2 Device to carry out a hypnosis-therapy |
| 09/28/1988 | EP0283727A2 Method and apparatus for producing an audio magnetic tape recording at high speed from a preselected music libray |
| 09/28/1988 | CN88101515A Magnetic tour conversation manual |
| 09/27/1988 | US4774596 Electronic dictionary using a video disk in an information retrieval system |
| 09/20/1988 | US4772873 Digital electronic recorder/player |
| 09/20/1988 | US4772206 Multi-mode teaching simulator |
| 09/07/1988 | WO1988006775A1 Improvements in interactive video systems |
| 09/06/1988 | US4769846 Speech therapy variable code learning translator |
| 09/06/1988 | CA1241539A1 Display apparatus for a group education system |
| 08/30/1988 | US4768087 Education utility |
| 08/30/1988 | US4767335 Computerized academic quiz controller system |
| 08/24/1988 | EP0279558A1 System of data working stations for teaching a class of students |
| 08/24/1988 | CN86208453U Computer-controlling dubbing device |
| 08/18/1988 | DE3721609A1 Verfahren und vorrichtung zum steuern eines wiedergabegeraetes fuer einen datenaufzeichnungstraeger Method and device for controlling a playback device for a datenaufzeichnungstraeger |
| 08/17/1988 | EP0278525A1 Information recording medium and device for preparing the same |
| 08/16/1988 | US4764120 Student response system |
| 08/11/1988 | WO1988005683A1 Computer interactive doll |
| 08/03/1988 | EP0277015A2 Electric message delivery systems |
| 08/03/1988 | EP0277014A2 Service and entertainment communication system |
| 08/03/1988 | EP0276720A1 Mutually and repeatedly reproducible information recording medium and method for preparing the same |
| 07/28/1988 | DE3700796A1 Language trainer - interactive video unit with digital voice processing |
| 07/27/1988 | CN87213238U Multi-functional teaching aid for children |
| 07/26/1988 | US4759720 Apparatus for learning by the super-learning method |
| 07/26/1988 | CA1239705A1 Multi-image communications system |
| 07/26/1988 | CA1239698A1 Video disk apparatus providing organized picture playback |
| 07/13/1988 | CN87214333U Apparatus for the demonstration of the characteristics of a.c. circuits |
| 06/29/1988 | CN87209167U Seeing and hearing device |
| 06/28/1988 | US4753597 Multiple segment nonsequential recording |
| 06/21/1988 | US4752230 Picture book |
| 06/14/1988 | US4750888 Method and device for training in the operation of moving vehicles |
| 06/14/1988 | CA1238112A1 Sequence versatile video system |