ERIC Number: ED124136
Record Type: Non-Journal
Publication Date: 1970-Aug
Reference Count: N/A
A Digitally Addressable Random-Access Image Selector and Random-Access Audio System.
Bitzer, Donald L.; And Others
The requirements of PLATO IV, a computer based education system at the University of Illinois, have led to the development of an improved, digitally addressable, random access image selector and a digitally addressable, random access audio device. Both devices utilize pneumatically controlled mechanical binary adders to position the mecahnical loads. A recently invented, compact, electrically activated pneumatic control valve facilitates the conversion of digital signals to pneumatic signals which in turn control the mecahnical positioning devices. The prototype versions of these devices exhibit mechanical characteristics that should lead to compact, low-cost, commercially producible devices which will meet the needs of the PLATO IV system. (EMH)
Descriptors: Computer Assisted Instruction, Digital Computers, Electromechanical Technology, Higher Education, Input Output Devices
PLATO Publications, Computer-based Education Research Lab, 252 Engineering Research Laboratory, University of Illinois, Urbana, Illinois 61801 ($.50, prepayment required)
Publication Type: Reports - Descriptive
Education Level: N/A
Sponsor: National Science Foundation, Washington, DC.
Authoring Institution: Illinois Univ., Urbana. Computer-Based Education Research Lab.