Recurrent training machine
Refreshable braille-cell display implemented with shape...
Remote computer-assisted compliance monitoring system
Remote control locomotive simulator
Remote education system, attendance confirmation method, and...
Remote lecturing system
Remote teaching system
Repeat magnetic tape machine
Representation of color for blind persons
Reproducing device
Response mechanism for audiovisual educational apparatus
Resuscitation training manikin
Riser device for creating an elevated structure for...
Roll and focus apparatus
Room planning kit
Round-robin scheduler
Rubber globe
Running guide system
Running guide system