| Patents for G09B 7 - Electrically-operated teaching apparatus or devices working with questions and answers (7,087) |
|---|
| 01/15/1980 | US4183152 Electrical indicating device |
| 01/01/1980 | US4180920 Arrangement toy for signalling proper arrangement of elements |
| 12/25/1979 | US4179822 Testing apparatus and method |
| 12/04/1979 | US4176470 Educational reinforcement apparatus |
| 11/13/1979 | US4173832 Educational toy |
| 10/16/1979 | US4170832 Interactive teaching machine |
| 10/02/1979 | CA1063345A1 Mini electronic calculator with blackboard display format |
| 09/18/1979 | US4167821 Programmable simulated trainer |
| 09/04/1979 | US4166325 Didactic apparatus including handheld responsor means |
| 08/14/1979 | US4164078 Electronic quiz apparatus |
| 06/05/1979 | CA1055690A1 Training machine for keyboards |
| 05/29/1979 | US4156928 Programmable television game and training system with adaptable operator control |
| 05/22/1979 | CA1054789A1 Audio-visual teaching system |
| 03/20/1979 | US4144656 Teaching machine for studying foreign and native languages |
| 02/21/1979 | EP0000854A1 Teaching machine |
| 01/23/1979 | US4135313 Educational toy with action |
| 11/28/1978 | US4126949 Educational calculator |
| 10/31/1978 | US4122613 Operator responsive audio-visual teaching apparatus |
| 10/24/1978 | US4121355 Learning device |
| 10/24/1978 | US4121354 Animated learning aid |
| 10/10/1978 | US4118876 Programmable question and answer device |
| 10/03/1978 | US4117607 Mathematics teaching system |
| 10/03/1978 | US4117605 Real time conversational toy having secure playback response |
| 09/26/1978 | US4115931 Individualized teaching system utilizing electrical continuity |
| 09/19/1978 | US4114292 Match up game |
| 04/25/1978 | US4085523 Teaching machine |
| 04/11/1978 | US4083120 Electronic device for use as a teaching aid |
| 03/14/1978 | US4079365 Group response and indication system |
| 03/14/1978 | US4078316 Real time conversational toy |
| 03/14/1978 | US4078315 Prerecorded tape recording and branched method of instructing using same |
| 02/14/1978 | US4073068 Teaching light |
| 01/24/1978 | US4069597 Question and answer game |
| 01/10/1978 | US4067121 Educational game |
| 01/03/1978 | US4067050 Programmed presentation system |
| 12/06/1977 | US4060915 Mental image enhancement apparatus utilizing computer systems |
| 11/01/1977 | US4055907 Character scanned teaching machine |
| 11/01/1977 | US4055906 Automated interrogating apparatus |
| 10/11/1977 | US4052798 Audio-visual teaching system |
| 10/04/1977 | US4051608 Teaching machine |
| 08/30/1977 | US4044475 Training machine for keyboards |
| 08/23/1977 | US4044380 Encoder and constructed answer system for television |
| 08/23/1977 | US4043054 Teaching machine |
| 08/23/1977 | US4043053 Educational game |
| 08/02/1977 | US4040048 Display of mathematical equations |
| 07/26/1977 | US4037332 Information conversion system for accelerated instruction |
| 07/19/1977 | US4035929 Teaching machine |
| 07/12/1977 | US4034487 Automated testing stations |
| 07/05/1977 | US4033050 Teaching machine having response dependent programming |
| 06/07/1977 | US4027402 Novel educational toy |
| 04/26/1977 | US4019263 Card type language teaching apparatus |
| 04/05/1977 | US4016411 Mini electronic calculator with blackboard display format |
| 03/22/1977 | US4012852 Teaching apparatus |
| 03/22/1977 | US4012848 Audio-visual teaching machine for speedy training and an instruction center on the basis thereof |
| 03/15/1977 | US4011664 Self-correcting answer machine |
| 03/08/1977 | US4010556 Electronic mathematics trainer |
| 03/08/1977 | US4010553 Portable quiz responsive and display device |
| 03/01/1977 | US4009521 Interconnected response recording and display consoles |
| 02/15/1977 | US4007547 Card handling teaching machine with instantaneous feedback system |
| 02/08/1977 | US4006538 Educational device for learning switching |
| 02/01/1977 | US4005530 Audio-visual training device with selective branching |
| 01/25/1977 | US4004354 Group response analyzing system |
| 01/11/1977 | US4001948 Light response teaching system |
| 01/11/1977 | US4001947 Teaching system |
| 12/28/1976 | US3999307 Teaching machine |
| 12/21/1976 | US3997981 Remote control response system for classroom use |
| 12/14/1976 | US3996671 Instruction machine |
| 11/30/1976 | US3994078 Educational toy clock with action |
| 11/16/1976 | US3992092 Microfilm instruction system |
| 10/19/1976 | US3987484 Programmed presentation system |
| 10/12/1976 | US3984923 System and process for preschool screening of children |
| 10/05/1976 | US3983639 Teaching machine |
| 09/21/1976 | US3981087 Teaching machine |
| 08/31/1976 | US3977092 Teaching machine card |
| 08/17/1976 | US3974575 Teaching machine |
| 08/10/1976 | US3974482 Storage and display apparatus |
| 06/22/1976 | US3964177 Reinforcing teaching system |
| 05/11/1976 | US3955290 Learning devices |
| 05/04/1976 | US3953929 Teaching machines |
| 04/27/1976 | US3953666 Television system for simultaneously transmitting and receiving a plurality of independent pictures on a single carrier screen |
| 04/13/1976 | US3949489 Psychological teaching apparatus |
| 04/06/1976 | US3947978 Educational learning device |
| 04/06/1976 | US3947972 Real time conversational student response teaching apparatus |
| 03/30/1976 | US3946503 Audio-visual apparatus and method of using the apparatus for obtaining computer compatible data from an individual |
| 03/09/1976 | US3942269 Audio-visual system including audio-visual slides |
| 03/09/1976 | US3942268 Methods and apparatus for interactive communications |
| 02/24/1976 | US3939579 Interactive audio-visual instruction device |
| 01/20/1976 | US3932948 Audio-visual learning system |