| 摘要 |
FIELD: engineering of optical-electronic measuring systems, possible use for inputting information into computers, automatic transaction machines, electronic kiosks, and other interactive systems. ^ SUBSTANCE: device contains first and second emitters, ribbon-type radiation receiver and computer, while aforementioned ribbon-type radiation receiver contains multiple linearly positioned photo-receivers and envelopes a portion of virtual keyboard perimeter, while first and second emitters represent point-type radiation sources. As a result of functioning of device, virtual keyboard is formed, which can be utilized for interactive input of information into memory of computerized objects. ^ EFFECT: simplification of device. ^ 3 dwg |
