| Patents for G09B 7 - Electrically-operated teaching apparatus or devices working with questions and answers (7,087) |
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| 09/13/1988 | US4770636 Memory monitor |
| 09/07/1988 | EP0281257A1 Teaching and amusement apparatus |
| 09/07/1988 | CN88101193A Teaching and amusement apparatus |
| 09/07/1988 | CN87212465U Electronic learning installation for children intelligence learning |
| 08/16/1988 | US4764120 Student response system |
| 08/11/1988 | WO1988005951A1 Teaching and amusement apparatus |
| 08/03/1988 | CN87205524U Lighted answer type remembering and learning device for children |
| 07/26/1988 | US4759717 Teaching system using computors equipped with screens and connected in a closed loop with a teacher control station |
| 07/05/1988 | US4755140 Electronic personnel test device |
| 06/08/1988 | CN86200247U Mathematical calculations-performing device for children |
| 05/25/1988 | EP0268476A2 Trivia game and components therefor |
| 05/17/1988 | US4745468 System for evaluation and recording of responses to broadcast transmissions |
| 05/10/1988 | CA1236585A1 Cluster computer based education delivery system |
| 05/04/1988 | CN87208935U Electronic teaching aid for children |
| 05/03/1988 | US4742473 Finite element modeling system |
| 03/30/1988 | CN87213350U Multifunctional electric clock for teachiing |
| 03/30/1988 | CN87210991U Model yzk-02 master console for linguistic loboratory |
| 03/29/1988 | US4734764 Cable television system selectively distributing pre-recorded video and audio messages |
| 03/10/1988 | DE3630424A1 Device for transmitting reactions |
| 03/08/1988 | US4729564 Card reading responsive electronic game |
| 03/02/1988 | CN87203568U Calculation verifier |
| 02/24/1988 | EP0256835A2 Electronic dictionary |
| 02/09/1988 | CA1232445A1 Multi-modal educational and entertainment system |
| 01/20/1988 | EP0253655A1 Group education system |
| 01/14/1988 | WO1988000380A1 Interactive audio-visual teaching method and device |
| 12/23/1987 | CN86200947U Interesting study instrument for children |
| 12/16/1987 | CN86207026U Learning machine for encyclopaedic knowledge |
| 12/09/1987 | CN86203141U Nixie display for forestalling to answer |
| 12/08/1987 | US4712180 Editing system of educational program for a computer assisted instruction system |
| 11/24/1987 | US4709136 IC card reader/writer apparatus |
| 11/10/1987 | US4705479 Process of teaching |
| 10/31/1987 | CN86207866U Multi-functional electronic learning board |
| 10/14/1987 | EP0241394A1 Autonomous detection device to check information present on a surface |
| 09/09/1987 | CN87100554A Instant feedback device for the examinating result of the multiple-choice questions |
| 09/01/1987 | US4690645 Interactive educational device |
| 08/25/1987 | US4689022 System for control of a video storage means by a programmed processor |
| 08/12/1987 | EP0231199A1 Event adjudication and interface |
| 08/04/1987 | US4684349 Audio-visual teaching system and method |
| 07/28/1987 | US4682958 Data entry terminal and memory module therefor |
| 07/21/1987 | US4681548 Audio visual apparatus and method |
| 07/15/1987 | EP0228634A2 Videotex information utility |
| 07/08/1987 | CN86205149U Special circuit controller for training chilolren's intelligence |
| 06/09/1987 | US4671772 Performance appraisal and training system and method of utilizing same |
| 05/06/1987 | EP0220322A1 Key input device for cai system |
| 05/06/1987 | CN85205156U Electronic apparatus for teaching mathematics |
| 02/17/1987 | US4643682 Teaching machine |
| 01/13/1987 | US4636174 Cluster computer based education delivery system |
| 01/06/1987 | US4634386 Audio-visual teaching apparatus |
| 01/06/1987 | CA1216365A1 Instruction system topic-interpreting method |
| 12/30/1986 | EP0205676A1 Combination system and question and answer matching game |
| 12/23/1986 | US4631748 Electronic handheld translator having miniature electronic speech synthesis chip |
| 12/18/1986 | WO1986007277A1 Event adjudication and interface |
| 12/16/1986 | USRE32305 Method of employing a television receiver for active participation |
| 12/03/1986 | EP0203772A1 Interactive teaching apparatus |
| 11/19/1986 | CN85203935U Electric displying unit for baby |
| 10/23/1986 | WO1986006192A1 Key input device for cai system |
| 09/16/1986 | US4611996 Teaching machine |
| 09/10/1986 | EP0099920B1 Teaching or amusement apparatus |
| 09/02/1986 | US4609359 Educational game |
| 09/02/1986 | US4609358 Video training system for simulataneously training a plurality of students |
| 08/26/1986 | US4608601 Video response testing apparatus |
| 08/05/1986 | US4604065 Teaching or amusement apparatus |
| 08/05/1986 | CA1209250A1 Micro-computer control for a video machine |
| 07/29/1986 | US4602907 Light pen controlled interactive video system |
| 07/22/1986 | US4602279 Method for providing targeted profile interactive CATV displays |
| 07/02/1986 | CA1206748A Interactive teaching system |
| 05/06/1986 | US4586905 Computer-assisted audio/visual teaching system |
| 05/06/1986 | US4586707 Competitive game |
| 04/09/1986 | CN85200796U Toy for learning arithmetic |
| 03/18/1986 | US4576695 Aluminum, epoxy-acrylate resin, electrodeposition, alkaline earth citrate or dodecylbenzenesulfonate |
| 03/18/1986 | US4576579 Instructional and testing apparatus with switch closure at two different depths |
| 03/18/1986 | US4576578 Interactive training apparatus |
| 02/04/1986 | US4569026 TV Movies that talk back |
| 01/02/1986 | EP0166011A1 Control apparatus for switching a teaching device for acoustical and/or optical learning information |
| 12/31/1985 | US4561852 Computer assisted teaching machine that uses two electroresistive sheets |
| 12/24/1985 | CA1198281A1 Multiple aptitude testing device |
| 12/10/1985 | US4557694 Teaching device and method of using same |
| 11/26/1985 | CA1197093A1 Method and apparatus for effecting and evaluating action upon visual imaging |
| 09/17/1985 | US4541806 Multiple aptitude testing device |
| 09/10/1985 | US4541069 Storing address codes with words for alphabetical accessing in an electronic translator |
| 09/10/1985 | US4541056 In a computer-based system |
| 09/03/1985 | US4539435 Remote interactive communication system |
| 08/27/1985 | CA1192394A1 Teaching and entertainment device |
| 07/02/1985 | US4526550 Combination system and question and answer matching game |
| 06/25/1985 | US4525148 Multi-modal educational and entertainment system |
| 06/11/1985 | US4522599 Computer assisted instructional and testing apparatus with switch closure at two different depths |
| 06/04/1985 | US4521199 Computer assisted teaching machine that uses two sets of conductive strips |
| 05/21/1985 | US4518361 Method and apparatus for effecting and evaluating action upon visual imaging |
| 03/27/1985 | EP0134815A1 Multi-modal educational and entertainment system |
| 03/12/1985 | US4504735 Dual throat data registering apparatus and card therefor |
| 02/19/1985 | CA1182635A1 Teaching or amusement apparatus |
| 02/12/1985 | US4498870 Stimulus/response device |
| 01/23/1985 | EP0131681A2 Method of optical character recognition |
| 01/15/1985 | US4493655 Radio-controlled teaching device |
| 01/08/1985 | US4492582 Teaching and entertainment device |
| 11/28/1984 | EP0126067A1 Simulated interactive dividing and allocating process |
| 11/06/1984 | US4481607 Electronic dictionary |
| 11/06/1984 | US4481412 Interactive videodisc training system with bar code access |
| 10/02/1984 | US4475132 Interactive video disc systems |
| 08/28/1984 | US4468805 Variable frame length data converter for a speech synthesis circuit |