作者: Orion T. Ayer , Ronald A. Priest
DOI:
关键词:
摘要: A light in weight, hand held device that enables people having low vision capabilities to read small alphanumeric characters. pin hole lens camera a long, narrow profile is housed housing of the same configuration. opening formed leading end open communication with admit into lens. intensity source positioned immediately adjacent opening. Roller members are transversely mounted on facilitate displacement lateral directions type needed printed matter. The output conductively coupled remote monitor and characters transmitted up sixty times larger than original may be adjustably support plate so user select size field view desired, rotatably wheel adjustment focus