Communications: electrical – Systems – Portable self-contained
Patent
1976-02-10
1978-10-24
Curtis, Marshall M.
Communications: electrical
Systems
Portable self-contained
35 6, 40451, 340336, 40463, G06F 314
Patent
active
041224442
ABSTRACT:
An apparatus for displaying numerical value information, comprising: a first display having a plurality of digit display positions each capable of selectively displaying one of Arabic numerals; a second display having a plurality of digit display positions each capable of selectively displaying one of Arabian language numerals; a digit timing signal generator; a first and second digit drivers responsive to said digit timing signals for enabling said digit display positions of each of said first and second displays, respectively, in a digit timing sequence; a re-circulation shift register operable responsive to said digit timing signals for storing a signal representing multi-digit numerical value information comprising a plurality of digit numeral signals each representing in a bit-coded manner a value of the numeral to be displayed in the corresponding digit display position in said displays; a first converter coupled to a predetermined digit position of said register for withdrawing in said digit timing sequence a digit numeral signal for converting it into an Arabic numeral signal for representing said digit numeral signal by the Arabic numerals so as to be commonly applied to said multi-digit display positions in said first display; and a second converter for converting the output from said first converter into an Arabian language numeral signal for representing said digit numeral signal by the Arabian language numerals so as to be commonly applied to said multi-digit display positions in said second display; whereby the numeral in the respective digit of said multi-digit numerical value information is displayed in the corresponding digit display position in said first and second displays in said digit timing sequence, by Arabic and Arabian language numerals, respectively.
REFERENCES:
patent: 3319516 (1967-05-01), Brown
patent: 3371321 (1968-02-01), Adams
patent: 3502793 (1970-03-01), Dumaire
patent: 3513968 (1970-05-01), Hanson
patent: 3900259 (1975-08-01), Mott et al.
patent: 3971012 (1976-07-01), Morokawa et al.
Kitajima Kenichi
Nagano Akira
Urasaki Kazuaki
Curtis Marshall M.
Omron Tateisi Electronics Co.
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