Patents for G09B 5 - Electrically-operated educational appliances (14,377) |
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04/19/1994 | US5305423 Computerized system for producing sentic cycles and for generating and communicating emotions |
04/14/1994 | WO1994008324A1 Talking book |
04/14/1994 | WO1994008314A1 Dot code and information recording/reproducing system for recording/reproducing dot code |
04/14/1994 | DE4234033A1 Transmitting information for educational purposes - using stereo audio transmitter and receiver to transmit audio signals over first channel and data signals over second channel |
04/13/1994 | EP0591636A2 Partial ROM magneto-optical disk medium and computer system |
04/13/1994 | CN1085340A Sound reproduction circuit arrangement for audio-visual equipment |
04/12/1994 | US5303327 Communication test system |
04/12/1994 | US5303042 Computer-implemented method and apparatus for remote educational instruction |
04/12/1994 | US5302132 Instructional system and method for improving communication skills |
04/07/1994 | DE4233329A1 Domestic appts. instruction process - providing audiovisual information, e.g. by CD and video cassette, next to appliance so that user can follow step=by=step |
04/07/1994 | DE4233238A1 Conference information and display system for hotel installations - has large screen projection from overhead or video projector coupled to video recorder and satellite information |
04/06/1994 | CN2160962Y Multifunctional training machine for extensive reading foreign language |
04/06/1994 | CN2160961Y Game studying card with expansion connector |
04/06/1994 | CN1084987A Demonstration system for microcomputer teaching |
04/05/1994 | US5301172 Method of storing user information items and apparatus for reproducing stored items |
03/30/1994 | CN2160137Y Optical controlled teaching tool |
03/29/1994 | US5299180 Sound repeater unit adapted for use with an audio input and audio output equipment |
03/29/1994 | US5299006 Caption VCR and method of displaying a caption signal in the caption VCR |
03/23/1994 | CN2159599Y Student computer |
03/22/1994 | US5297216 Handwritten keyboardless entry computer system |
03/22/1994 | US5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus |
03/22/1994 | US5296936 Communication apparatus and method for transferring image data from a source to one or more receivers |
03/22/1994 | US5295836 Remote lecturing system |
03/17/1994 | WO1994006107A1 Improvements in and relating to language teaching |
03/16/1994 | EP0587163A1 Method and apparatus for evaluating an individual using character recognition processing of input handwritten responses |
03/15/1994 | US5294745 Information storage medium and apparatus for reproducing information therefrom |
03/10/1994 | DE4240739A1 Vibration isolating method or inductive static displacement measurement - electrically damping current in measuring coil using frequency which gives lossy damping of coil current, and using damping value to measure proximity of core to coil |
03/10/1994 | DE4218062A1 Magnetic tape player for music class teaching - provides synchronised playback of signal components using recorded address signals |
03/08/1994 | US5293358 Apparatus and method for generation of integrated composite audio-visual works |
03/02/1994 | EP0584134A1 Device for testing a person's attention. |
03/01/1994 | US5290190 Talking book |
02/23/1994 | CN2157557Y Learning machine |
02/22/1994 | US5289389 Device for measuring response speed and accuracy |
02/16/1994 | EP0583061A2 Method and apparatus for providing enhanced graphics in a virtual world |
02/16/1994 | EP0582646A1 Electronic book |
02/16/1994 | CN2156550Y 手提式语言教学机 Portable Language Teaching Machine |
02/16/1994 | CN2156549Y Multi-function language learning apparatus |
02/09/1994 | EP0582057A2 Information search and display apparatus |
02/01/1994 | US5283639 Multiple media delivery network method and apparatus |
01/26/1994 | CN2154512Y Micro-picture instrument |
01/19/1994 | CN2153841Y Lantern slide rack structure |
01/18/1994 | US5280572 Method and apparatus for storing text data in subcode packs |
01/12/1994 | EP0578486A2 Audio Storybook |
01/12/1994 | EP0578045A2 An automatic system for teaching and for monitoring learning by real-time analysis of responses to questions |
01/12/1994 | CN2153106Y Multifunctional electronic head apparatus for studying and entertainment |
01/11/1994 | CA2099678A1 Method and apparatus for providing enhanced graphics in a virtual world |
01/11/1994 | CA2015215C Computer-based, audio/visual creation and presentation system and method |
01/05/1994 | EP0577054A1 Entertainment and data management system for passenger vehicle including individual seat interactive video terminals |
01/05/1994 | EP0576628A1 System for interactve performance and animation of prerecorded audiovisual sequences |
01/05/1994 | EP0346402B1 Interactive video method and apparatus |
01/05/1994 | CN2152258Y Children intelligence developing device |
01/04/1994 | US5275818 Apparatus employing question and answer grid arrangement and method |
01/04/1994 | CA1325830C Apparatus for carrying out hypnotherapies |
12/29/1993 | CN2151511Y Movable projecting pictures for plane geometry theorem |
12/28/1993 | US5274758 Computer-based, audio/visual creation and presentation system and method |
12/28/1993 | US5273437 Audience participation system |
12/28/1993 | US5273433 Audio-visual language teaching apparatus and method |
12/22/1993 | CN2150594Y Audio-visual computer for leaning language |
12/22/1993 | CN2150593Y Feed-back strengthening computer for language learning |
12/22/1993 | CN1023265C System for transferring information using information carrier |
12/16/1993 | DE4315444A1 Magnetic tape cassette player with multiple tapes - uses tapes contg. recorded address code used for synchronisation of playback of audio signals |
12/15/1993 | EP0574138A1 Virtual conferencing system |
12/15/1993 | EP0574122A2 Interactive electronic game book |
12/15/1993 | EP0573406A1 Program transmission optimisation. |
12/15/1993 | CN2149666Y 儿童语言学习机 Children language learning machine |
12/15/1993 | CN2149665Y Anti-interfere and memory-improving educational machine |
12/15/1993 | CN2149664Y Movement-displaying electric educational appliance |
12/15/1993 | CN1079568A Making method of standard coloured projection film |
12/14/1993 | US5270800 Subliminal message generator |
12/09/1993 | WO1993025009A1 Information and entertainment performance system |
12/09/1993 | WO1993017764A3 Improvements in or relating to a toy or educational device |
12/08/1993 | CN2148989Y Multi-function receiving machine for teaching lessons |
12/07/1993 | US5267865 Interactive computer aided natural learning method and apparatus |
12/01/1993 | EP0571363A1 Solid state 360 degree viewing system. |
11/30/1993 | US5266034 Multi-channel sound-recording and playback device |
11/24/1993 | EP0570533A1 Video game having audio player interaction with real time video synchronization |
11/24/1993 | CN2147604Y 语言学习机 Language learning machine |
11/23/1993 | US5263869 Interactive group communication system |
11/23/1993 | US5263865 Personal learning system |
11/23/1993 | CA1324675C System and method of predicting subjective reactions |
11/18/1993 | EP0569566A1 Teaching and exercise aid to improve human movements |
11/17/1993 | CN2146752Y Apparatus for studying Chinese Phonetics |
11/11/1993 | WO1993022733A1 Keyed language translator |
11/10/1993 | CN2146036Y Computer video and audio synchronous teaching equipment |
11/09/1993 | US5260869 Communication and feedback system for promoting development of physically disadvantaged persons |
11/09/1993 | US5259764 Visual display apparatus for the display of information units and related methods |
11/02/1993 | US5258875 Video tape recorder with the function of repetitive playback |
10/28/1993 | WO1993021618A1 Information communication system and method for establishing a program of subjects to be communicated and usable in said system |
10/27/1993 | CN2144841Y Simple language device |
10/26/1993 | US5255925 Telephone spelling game method |
10/26/1993 | CA1323702C Software agent used to provide instruction to a user for a plurality of computer applications |
10/26/1993 | CA1323688C Interactive video method and apparatus |
10/21/1993 | DE4222990A1 Forming contact detection function for machine tool etc. - determining stop positions or movement path due to external force by sensing changes in vibration |
10/20/1993 | EP0477199A4 Dental hygiene instruction display |
10/20/1993 | CN1077555A Electronic book |
10/19/1993 | US5255211 Methods and apparatus for generating and processing synthetic and absolute real time environments |
10/19/1993 | US5254007 Baby entertainment and learning apparatus for highchairs |
10/14/1993 | WO1993020546A1 Electronic tourist voice guide system |
10/12/1993 | US5252077 Process for materializing virtual interactivity between an individual and a data support |
10/12/1993 | US5252073 Method of art instruction |