A communication system for the handicapped

• 1 October 1965
• journal article
• research article
• Published by Springer Nature in Medical & Biological Engineering & Computing
• Vol. 3  (4) , 427-429
• https://doi.org/10.1007/bf02476138

Abstract

Keywords

• LOGIC CIRCUIT
• HOLD POSITION
• POSITIVE PULSE
• OUTPUT TRANSISTOR
• HAND SWITCH