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7209730 |
Telephone adapted for emergency dialing by touch
A telephone has a key pad with ten number keys arranged to dial the digits from 0 to 9 inclusive, each of these number keys being marked with a visual indicator denoting the digit which the number...
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5011412 |
Educational keyboard with removable keys
An educational keyboard with removable keys, wherein musical tone generation for a given key is in response to correct placement of the key in its corresponding key slot, is disclosed. Incorrect...
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4468203 |
Classroom demonstration calculator
A teaching device, for use in a classroom, comprising a hand-held size calculator adapted to normally include a display for showing the numerical output of the calculator, and adapted to include a...
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4378217 |
Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items
Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items and skills, including a keyboard array of touch keys representing individual characters and...
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3894346 |
Electronic keyboard trainer
A keyboard trainer has a keyboard, display panel, and program reader wherein keyboard code outputs are matched with the program reader outputs in a logic circuit to provide student prompting, error...
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3812277 |
DEMONSTRATION TYPEWRITER KEYBOARD WALL CHART
A demonstration typewriter keyboard wall chart system having a display of visible indicia representing keys of a typewriter keyboard, and lamps associated with the keys for selectively illuminating...
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3751825 |
TEACHING OR TRAINING AID SYSTEM
There is disclosed herein a teaching or training aid system wherein a display array of individual illuminated indicia-covered nacelles are disposed. Each of the nacelles can be illuminated...
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3664036 |
AUDIO-VISUAL TEACHING DEVICE AND METHOD FOR INSTRUCTION IN THE OPERATION OF KEYBOARD CONTROLLED INSTRUMENTS
An apparatus for teaching the operation of a keyboard instrument comprises audio and visual components actuated respectively by voice signals and cueing signals both recorded at audio frequencies...
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3654619 |
AUDIO-VISUAL INSTRUCTIONAL SYSTEM WITH SYNCHRONIZED VISUAL AND AUDIO PRESENTATIONS
An audio-visual instructional system wherein the student or trainee is simultaneously subjected to synchronized visual and audio presentations for conditioning the trainee by utilizing both sensory...
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3460270 |
ADAPTIVE TRAINING SYSTEMS AND APPARATUS
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3377716 |
Method of and apparatus for teaching the operation of a keyboard controlled machine or instrument
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3080661 |
Typewriter visual aid system
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2962819 |
Device for teaching typing
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2931108 |
Educational typewriter simulating toy
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