| Patents for G09B 5 - Electrically-operated educational appliances (14,377) |
|---|
| 08/14/1979 | US4164732 Pacing device for runners and the like |
| 07/31/1979 | CA1059626A1 Audio information device |
| 06/26/1979 | US4159490 Apparatus for automatically synchronizing the operation of a device, for presenting audio information to occupants of a vehicle, to correspond with its movement along a predetermined route |
| 06/19/1979 | US4158264 Audio-visual teaching apparatus |
| 06/05/1979 | CA1055689A1 Information conversion system for accelerated instruction |
| 05/29/1979 | US4156928 Programmable television game and training system with adaptable operator control |
| 05/15/1979 | US4154007 Demonstration calculator for classroom use and the like |
| 04/24/1979 | CA1052995A1 Combination furniture for audio-visual teaching |
| 03/20/1979 | US4144701 Apparatus for setting nip pressure of belts in false twister |
| 03/20/1979 | US4144656 Teaching machine for studying foreign and native languages |
| 02/20/1979 | US4139954 Pre-recorded magnetic audio tape for learning |
| 02/13/1979 | US4139862 Interactive color display for multispectral imagery using correlation clustering |
| 02/06/1979 | US4138696 Device for automatically recording, reproducing and translating, a magnetic transducer |
| 01/23/1979 | US4135314 Pre-recorded magnetic audio tape for study |
| 11/21/1978 | US4126885 Card recording and/or reproducing apparatus |
| 11/14/1978 | US4124943 Audio visual information system |
| 11/07/1978 | CA1041862A1 Cassette type apparatus for the presentation of reading matter |
| 10/31/1978 | US4122613 Operator responsive audio-visual teaching apparatus |
| 10/17/1978 | US4121263 Method and apparatus for control signal separation to regain synchronization between a visual image projector and an audio program |
| 10/03/1978 | US4117605 Real time conversational toy having secure playback response |
| 09/12/1978 | US4114181 Recording reproducer for magnetic cards |
| 08/29/1978 | US4109938 System for arranging and retrieving information |
| 08/08/1978 | US4105315 Microfilm reading system |
| 07/18/1978 | US4101742 Audio message system with programmer |
| 06/27/1978 | US4097135 Apparatus for audio visual presentation of music |
| 06/27/1978 | US4096645 Phonetic teaching device |
| 06/13/1978 | US4094079 Single medium audio-visual teaching machine |
| 06/06/1978 | US4092785 Teaching and display apparatus |
| 05/23/1978 | US4091427 Electric control system for magnetic sheet recording and reproducing apparatus for audiovisual instruction |
| 04/11/1978 | US4083120 Electronic device for use as a teaching aid |
| 03/14/1978 | US4078316 Real time conversational toy |
| 03/14/1978 | US4078315 Prerecorded tape recording and branched method of instructing using same |
| 02/07/1978 | US4072989 Audio-visual presentation device |
| 12/06/1977 | US4060915 Mental image enhancement apparatus utilizing computer systems |
| 11/01/1977 | US4055906 Automated interrogating apparatus |
| 10/04/1977 | US4051606 Self-learning apparatus for reading and writing of the Japanese language |
| 09/27/1977 | US4050165 Teacher-students' intercommunication system |
| 09/20/1977 | US4048729 Electrical teaching system |
| 09/06/1977 | US4046437 Combination cabinet for audio-visual teaching |
| 08/23/1977 | US4043053 Educational game |
| 08/02/1977 | US4040088 Adaptor for inter-relating an external audio input device with a standard television receiver, and an audio recording for use therewith |
| 07/19/1977 | US4035930 Time selective information dissemination system for use in sleep teaching |
| 06/28/1977 | US4032897 Interactive audiovisual display system |
| 06/28/1977 | US4031634 Teaching device |
| 06/14/1977 | US4030127 Audio tape player driver information device |
| 06/07/1977 | US4027405 Record-reproduce device for flash cards |
| 05/31/1977 | US4026039 Educational device for learning basic measurements |
| 05/10/1977 | US4021932 Audiovisual device |
| 04/26/1977 | US4020505 Magnetic sheet player with an adjustable inclined magnetic head |
| 04/26/1977 | US4020468 Compressed information system |
| 04/05/1977 | US4015344 Audio visual teaching method and apparatus |
| 03/08/1977 | US4010557 Music laboratory |
| 03/08/1977 | US4010556 Electronic mathematics trainer |
| 02/22/1977 | US4009331 Still picture program video recording composing and playback method and system |
| 02/15/1977 | US4007547 Card handling teaching machine with instantaneous feedback system |
| 01/25/1977 | US4004354 Group response analyzing system |
| 12/28/1976 | US4000510 System for storage and retrieval of video information on a cyclical storage device |
| 12/14/1976 | US3997917 Card handling apparatus |
| 11/16/1976 | US3992092 Microfilm instruction system |
| 10/05/1976 | US3983651 Apparatus for the presentation of reading materials |
| 09/28/1976 | US3982344 Audio-visual display device |
| 07/27/1976 | US3971141 Method for interactive communications |
| 07/20/1976 | US3970374 Optical visual communication system |
| 07/20/1976 | US3969831 Teaching system |
| 07/13/1976 | US3968575 Teaching device |
| 06/22/1976 | US3964188 Audiovisual book system |
| 06/01/1976 | US3960254 Audio information device |
| 05/25/1976 | US3958860 Holographic object recognition trainer |
| 05/11/1976 | US3955466 Performance learning system |
| 04/27/1976 | US3952425 Response analyzer |
| 04/13/1976 | US3949488 Educational associativity doll |
| 03/30/1976 | US3946504 Utterance training machine |
| 03/16/1976 | US3943641 Audience response system |
| 03/09/1976 | US3942268 Methods and apparatus for interactive communications |
| 02/03/1976 | US3936595 Signal transmission system for transmitting programed information such as programed instruction |
| 01/27/1976 | US3935593 Multi-media production programmer |
| 01/13/1976 | US3931771 Extendable educational module |