Matches 1 - 29 out of 29
Match Document Document Title
7261612 Methods and systems for read-aloud books  
The pages of a children's book are marked in a machine-readable manner (e.g., by imperceptible digital watermark technology). When such a page is shown to a camera-equipped computer device, the...
6011949 Study support system  
A study support system comprises computer means and a text in which the subject for study, a problem and a bar code representing the problem are printed; the computer means including a bar code...
5899700 Embedded multimedia control code method and apparatus  
Methods and apparatus of integrating multimedia materials with didactic printed materials present selected relevant multimedia material in response to the sensing of control codes embedded in...
5710834 Method and apparatus responsive to a code signal conveyed through a graphic image  
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be...
5164865 System and method for locating information on a continuous image medium  
A method and a system for locating and accessing information on a continuous image presentation medium, such as information from a video medium, e.g. a video tape or disk. The system and method use...
4994987 Image access system providing easier access to images  
An image access, retrieval, and display system provides a simplified system for randomly accessing stored images. Image access documents having a human readable representation of an image and...
4677604 Method for controlling access to recorded data  
Access to a complete data base stored on optical disk media is limited to portions of the data base to which individual users are entitled by provision of an additional code on the optical disk,...
4552535 Mechanical assembly for audio-visual teaching machines  
An improved audio-visual machine for projecting visual information segments carried by a transparency holder in an audio-visual cartridge, and for reproducing corresponding narrative and control...
4005530 Audio-visual training device with selective branching  
A training device including a slide projector and a magnetic audio reproducing device is disclosed. The projector is provided with a code reader for reading a code on a film for each image frame....
3968575 Teaching device  
An audio visual device for teaching students a variety of subjects and motor skills, said device including a work surface, a projector, an audio device and a control package; said projector may be...
3896563 Audio-visual teaching machine  
An audio-visual teaching machine which utilizes diapositives having certain answer code indication applied on the frame, and a magnetic tape recorder. Logic circuitry controls the tape transport in...
3755919 SLIDE PROJECTOR SPECIALLY ADAPTED FOR SELF-TEACHING  
A remote controlled automatically cycling slide projector for successively displaying photographic slides, each containing a visual question or problem and multiple choice answers thereto. The...
3751150 AUDIO-VISUAL APPARATUS  
An audio-visual system utilizing an integrated audio and visual program unit, the latter including a record disc and a disc carrying projectable transparencies. The disc carrying images is either...
3733717 AUTOMATED INFORMATION TRANSMITTING APPARATUS  
A shutterless film projector projects from a film with an interlock track along one frame edge, and a clock track and a pair of data tracks laterally placed along the opposite frame edge. Each film...
3664037 INSTRUCTION DEVICE WITH A PLURALITY OF MODES  
A film projector presents film frames in sequence. The lateral edge of the film adjacent each frame is a dark surface having eight code spots for answer selection and a three bit binary code. The...
3654707 IMAGE POSITIONING MEANS FOR AUDIOVISUAL EDUCATIONAL APPARATUS  
A device for releasably clamping an image support in an audiovisual educational apparatus to hold images carried by the support in a single common plane for visual presentation despite intermittent...
3648384 TURNTABLE DRIVE RELEASE MECHANISM  
A turntable drive release mechanism for an audiovisual educational apparatus of the type disclosed in U.S. Pat. No. 3,483,633 is disclosed employing a continuously driven friction drive wheel which...
3535797 TEACHING MACHINE FILM  
3516176 TOUCH DETECTING TEACHING MACHINE  
3504445 AUDIO-VISUAL APPARATUS  
3501851 METHOD AND APPARATUS FOR TEACHING  
3497966 TEACHING MACHINE  
3395464 Teaching machine systems  
3353280 Apparatus for the visible and audible presentation of information in a desired sequence  
3284923 Teaching machine with programmed multiple track film  
3141243 Automatic tutorial system  
3611587 Title is not available  
3605284 Title is not available  
3584396 Title is not available  
Matches 1 - 29 out of 29