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US 4,404,764 AGranted
Message medium having corresponding optical and tactile messages
AssigneeHandy C. Priester
InventorsDavid V. Wills, Angela B. Wills
Life of this patent
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Abstract
A method of information transfer for sightless persons, sighted persons and mixed sightless and sighted persons comprises the steps of choosing and conveying a message from a stock of messages, the messages being set forth on a message medium in optically discernible form and in tactilely discernible form, said forms at least partly corresponding. The optical form comprises text and/or pictorial depictions, and the tactile form comprises braille. The method is especially applicable to greeting cards.
Claims3
A medium for conveying information among sighted and sightless persons, comprising:
- a greeting card;
- an optically discernible message printed on the card, the optically discernible message having scenic and textual elements, the scenic elements corresponding to a visual scene and the textual elements corresponding to words;
- and,
- a tactilely discernible message including braille impressions formed in the card, the tactilely discernible message being a transcription of the optically discernible message, the tactilely discernible message and optically discernible messages having corresponding content and having elements placed in corresponding positions, the tactilely discernible message being braille dots imprinted on both a front surface and a rear surface of the medium, the medium having raised braille dots, depressed braille dots, areas of mixed raised and depressed dots, and open areas, whereby at least four degrees of textured areas are provided, the textured areas corresponding to elements of the optically discernible message, the optically discernible message and the tactilely discernible message conveying both scenic and textual information.
1 more element
Dependencies are inferred from the claim text.