| Patents for G09B 7 - Electrically-operated teaching apparatus or devices working with questions and answers (7,087) |
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| 01/19/1993 | US5180309 Automated answer evaluation and scoring system and method |
| 01/12/1993 | US5178545 Electronic puzzle game with unknown random time of play |
| 01/07/1993 | WO1993000223A1 Printer for decoding coded test scores |
| 01/05/1993 | US5177625 Image processing system suitable for use for a facsimile |
| 01/05/1993 | CA1312197C Electronic instructional apparatus |
| 12/28/1992 | CA2072312A1 Audience participation system |
| 12/22/1992 | US5173051 Curriculum planning and publishing method |
| 12/08/1992 | US5170362 Redundant system for interactively evaluating the capabilities of multiple test subjects to perform a task utilizing a computerized test system |
| 12/08/1992 | US5169342 Method of communicating with a language deficient patient |
| 11/19/1992 | EP0513553A2 Methods and apparatus providing for a multimedia authoring and presentation system |
| 11/17/1992 | US5163844 Battery-free electronic teaching apparatus with keypad of piezo film switches |
| 11/10/1992 | US5161977 School subject learning aid and tutor |
| 11/04/1992 | EP0441864A4 Interactive audiovisual control mechanism |
| 10/29/1992 | WO1992018965A1 Audio entertainment/learning system |
| 10/27/1992 | CA2064508A1 Methods and apparatus providing for a multimedia authoring and presentation system |
| 10/21/1992 | CN2119693U Electrocontrolled child's mathematics teaching aid |
| 10/21/1992 | CN1065537A 电子阅读装置 Electronic reading device |
| 09/23/1992 | EP0504274A1 Scannable form having a control mark column with encoded data marks. |
| 09/15/1992 | US5147205 Tachistoscope and method of use thereof for teaching, particularly of reading and spelling |
| 09/08/1992 | US5145375 Moving message learning system and method |
| 08/27/1992 | DE4105961A1 mental arithmetic training pocket computer - randomly selects problems from possible set for current stage of game in which progress depends on correct answer provision within reducing time |
| 08/18/1992 | US5140139 Preparing mark/read documents with markable boxes and locating the boxes from the document scan data |
| 08/09/1992 | CA2060722A1 Talking board game |
| 08/05/1992 | EP0460063A4 Sparking stylus for acoustic digitizer |
| 08/04/1992 | US5136504 Machine translation system for output of kana/kanji characters corresponding to input character keys |
| 08/04/1992 | CA1306053C Closed circuit television system having seamless interactive television programming and expandable user participation |
| 07/29/1992 | EP0496492A1 Control apparatus for electronic equipment |
| 07/28/1992 | US5134669 Image processing system for documentary data |
| 07/28/1992 | US5133560 Spelling game method |
| 07/09/1992 | WO1992011618A1 Audiovisual teaching system |
| 07/07/1992 | US5128752 System and method for generating and redeeming tokens |
| 07/02/1992 | DE4041319A1 Audio-visual communication system between several transceivers - which have manual message keys transmitting signal to transceiver with central control and display |
| 07/01/1992 | CN2108972U Intelligent developing teaching aid for infant |
| 06/23/1992 | CA1303847C Remote teaching system |
| 06/16/1992 | US5122952 Method and apparatus for automated learning tool selection for child development |
| 06/16/1992 | US5122062 Electronic teaching apparatus |
| 06/09/1992 | US5120076 Method of evaluating data relating to a common subject |
| 06/09/1992 | US5120065 Electronic talking board game |
| 06/09/1992 | CA1302703C Electronic educational video system apparatus |
| 05/29/1992 | WO1992008531A1 Talking video games |
| 05/12/1992 | US5113340 Search improvements for electronic spelling machine |
| 05/06/1992 | CN2103841U Synthetic educational appliance |
| 05/05/1992 | US5111409 Authoring and use systems for sound synchronized animation |
| 04/29/1992 | CN2102781U Intelligence test pen |
| 04/08/1992 | EP0479691A1 Method for realizing virtual interactivity between an individual and a data carrier |
| 04/08/1992 | EP0404904A4 Expert data collection, analysis, and response system and method |
| 04/07/1992 | US5103490 Method and apparatus for storing and merging multiple optically scanned images |
| 04/05/1992 | CA2051961A1 Method for implementing a virtual interactivity between and individual and an information medium |
| 03/31/1992 | US5100329 Computer assisted coaching method |
| 03/24/1992 | US5099422 Compiling system and method of producing individually customized recording media |
| 03/19/1992 | WO1992004700A1 Electronic educational device |
| 03/18/1992 | EP0475697A1 Animation drawing apparatus |
| 03/18/1992 | EP0474923A1 Apparatus for participating in broadcasted or recorded quiz games |
| 03/11/1992 | EP0474160A1 Remote lecturing system |
| 03/03/1992 | US5093786 Remote response system |
| 02/19/1992 | CN2096786U Selecting study apparatus for correct or wrong deciding |
| 02/19/1992 | CN2096785U "ask" and answer toy for children studying |
| 02/18/1992 | US5088928 Educational/board game apparatus |
| 02/12/1992 | CN2096100U Child plus and reducing tester |
| 02/11/1992 | US5087043 Interactive audio-visual puzzle |
| 02/04/1992 | US5085587 Scannable form and system |
| 01/28/1992 | US5084819 Data collection, analysis, and response system and method |
| 01/28/1992 | CA1295046C Method for providing an interactive full motion synched compatible audio-visual television display |
| 01/02/1992 | EP0463471A2 Image processing system for documentary data |
| 01/02/1992 | EP0462976A1 Compiling system and method of producing individually customized recording media |
| 12/18/1991 | EP0461622A2 Method and apparatus for storing and merging multiple optically scanned images |
| 12/17/1991 | US5073931 System and individual device for participation in a broadcast program |
| 12/11/1991 | EP0460869A2 Data retrieval system, display apparatus and method of recording and displaying |
| 12/11/1991 | EP0460063A1 Sparking stylus for acoustic digitizer. |
| 12/11/1991 | CN2090558U Multifunciton multicircuit signal device for quiz |
| 12/07/1991 | CA2043774A1 Data retrieval system, display apparatus and method of recording and displaying |
| 12/04/1991 | CN2090085U Forestall answering apparatus of simulated liquid crystal indicating |
| 11/12/1991 | US5065345 Interactive audiovisual control mechanism |
| 11/06/1991 | EP0455147A1 Coordinate information input apparatus |
| 10/30/1991 | CN2087797U Multi-circuit telecontrol forestalled response device |
| 10/22/1991 | US5059127 Computerized mastery testing system, a computer administered variable length sequential testing system for making pass/fail decisions |
| 10/15/1991 | US5057915 System and method for attracting shoppers to sales outlets |
| 10/08/1991 | US5055053 Computer toy |
| 09/18/1991 | CN1054682A One-board computer lan teaching and displaying system |
| 09/04/1991 | EP0444629A2 Image processing system |
| 09/03/1991 | US5046005 Test scoring machine |
| 08/21/1991 | EP0441864A1 Interactive audiovisual control mechanism |
| 08/21/1991 | EP0220322B1 Key input device for cai system |
| 08/06/1991 | US5038367 Electronic |
| 07/30/1991 | US5035625 Computer game teaching method and system |
| 07/30/1991 | CA1287171C Teaching and amusement apparatus |
| 07/23/1991 | US5034807 System for evaluation and rewarding of responses and predictions |
| 07/23/1991 | US5033969 Support device for resolving questions about reproduced information |
| 06/27/1991 | WO1991008810A1 Method of evaluating data |
| 06/19/1991 | CN2079336U Children intelligence development study device |
| 06/18/1991 | US5025374 Portable system for choosing pre-operative patient test |
| 06/13/1991 | WO1991008550A1 Scannable form having a control mark column with encoded data marks |
| 05/14/1991 | CA1284211C Cable television system selectively distributing pre-recorder video and audio messages |
| 05/07/1991 | US5013038 method of evaluating data relating to a common subject |
| 04/30/1991 | US5011414 Key-input apparatus or CAI system |
| 04/30/1991 | US5011413 Machine-interpretable figural response testing |
| 04/23/1991 | US5010495 Interactive language learning system |
| 04/16/1991 | CA1283202C Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals |
| 04/03/1991 | CN2074481U Intelligent toy |
| 04/02/1991 | US5005143 Interactive statistical system and method for predicting expert decisions |