Electronic teaching aid
Patent 4406626 Issued on September 27, 1983. Estimated Expiration Date: 
March 29, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 29, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2548011 3648387 3836717 3909533 Electronic dictionary with word length responsive decoder Patent #: 3932859 InventorsApplicationNo. 06/362666 filed on 03/29/1982US Classes:704/270, Application434/157, Foreign434/169, Electrical component included in teaching means434/307R, CATHODE RAY SCREEN DISPLAY AND AUDIO MEANS434/308, AUDIO RECORDING AND VISUAL MEANS704/10, Dictionary building, modification, or prioritization704/260, Image to speech715/500.1Synchronization of diverse mediaExaminersPrimary: Grieb, William H.Attorney, Agent or FirmInternational ClassesG09B 5/00 (20060101)G09B 5/06 (20060101) G10L 13/04 (20060101) G10L 13/00 (20060101) G09B 19/04 (20060101) AbstractAn electronic teaching aid which enables a student viewing a visual display containing text material being read or studied to designate any words or portion of said text for immediate audible vocalization or alternatively to designate any word of said test for immediate visual display of the definition of said designated word. | |
