单词 | optacon |
释义 | Optaconn. A device for enabling a blind person to recognize printed characters by touch, the fingertip being placed on an array of numerous tiny rods certain of which vibrate in accordance with the pattern of light from the characters. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] > scanning devices > to enable blind person to read optophone1913 Optacon1970 1970 N.Y. Times 24 July 33/2 Another technique—that of turning symbols and letters into touch—has also become a practical reality recently because of a lightweight, portable transistor device developed by Prof. John Linvill..and Prof. James Bliss... This device, called the Optacon, consists of a tactile stimulator and an optical scanner, connected together electronically. 1975 Telegraph (Brisbane) 18 May 22/3 The optacon is being used successfully in Washington, U.S., by a blind radio announcer. 1980 Business Week (Nexis) 22 Sept. 46 Telesensory Systems Inc. had modified its Optacon print-reading machine to read the printed information on video display screens. 1991 Univ. Maryland Graduate School Catal. 1991–3 31/2 A resource and information center..houses equipment such as a Braille Writer..talking calculators, Optacon. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.1970 |
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