Graphic symbol display system including plural storage means and shared signal converter

Claim 2

A graphic symbol display system comprising: A. a plurality of electric indicator devices; B. a corresponding number of storage circuit means for storing a succession of binary digit signals supplied thereto each of said storage means comprising an output shift register; C. converting means connected to all of said output shift registers to receive the binary digit signals in parallel from said shift registers and to convert said signals into code signals for actuating said indicator devices; D. first gating means for applying the binary digit signals from each of said shift registers to said converting means sequentially in a time divisional manner; E. additional gating means respectively connected between said converting means and each said indicator devices, each of said additional gating means being supplied with the code signals from the converting means in a time divisional manner to store them therein and applying them to the respective indicator device to set said respective device to display a graphic sign corresponding to the code signals received from said converting means; and F. energizing means for activating said indicator devices sequentially in a time divisional manner to make visible the graphic symbol for which said indicator device has been set.

Claim 3

A graphic symbol display system comprising: A. a plurality of electric indicator devices; B. a corresponding number of storage circuit means for storing a succession of binary digit signals supplied thereto each of said storage means comprising an output shift register; C. converting means connected to all of said output shift registers to receive the binary digit signals in parallel from said shift registers and to convert said signals into code signals for actuating said indicator devices; D. first gating means for applying the binary digit signals from each of said shift registers to said converting means sequentially in a time divisional manner; E. additional gating means respectively connected between said converting means and each said indicator devices, each of said additional gating means being supplied with the code signals from the converting means in a time divisional manner to store them therein and applying them to the respective indicator device to set said respective device to display a graphic sign corresponding to the code signals received from said converting means; and F. energizing means for activating said indicator devices sequentially in a time divisional manner to make visible the graphic symbol for which said indicator device has been set.

Claim 4

A graphic symbol display system comprising: A. a plurality of electric indicator devices; B. a corresponding number of storage circuit means for storing a succession of binary digit signals supplied thereto each of said storage means comprising an output shift register; C. converting means connected to all of said output shift registers to receive the binary digit signals in parallel from said shift registers and to convert said signals into code signals for actuating said indicator devices; D. first gating means for applying the binary digit signals from each of said shift registers to said converting means sequentially in a time divisional manner; E. additional gating means respectively connected between said converting means and each said indicator devices, each of said additional gating means being supplied with the code signals from the converting means in a time divisional manner to store them therein and applying them to the respective indicator device to set said respective device to display a graphic sign corresponding to the code signals received from said converting means; and F. energizing means for activating said indicator devices sequentially in a time divisional manner to make visible the graphic symbol for which said indicator device has been set.

Claim 5

A display system as claimed in claim 1 further comprising means for generating timing pulse signals and supplying said timing pulse signals to said first gating means for applying the binary digit signals to the converting means and to said additional gating means connected between said converting means and said indicator devices.

Claim 6

A display system as claimed in claim 2 in which said means for applying said binary digit signals comprises a plurality of AND-circuits connected to said plural memorizing circuit means to receive the binary digit signals therefrom and connected to said timing pulse generating means to be actuated by the timing pulse signals.

Claim 7

A display system as claimed in claim 2 in which said AND-circuits are connected in plural groups, the number of said groups corresponding to that of said storage circuit means.

Claim 8

A display system as claimed in claim 2, wherein said plurality of circuit means connected between said converting means and said indicator devices comprises a second plurality of AND-circuits connected to said converting means to be supplied with code signals therefrom and connected to said timing pulse generating means to be actuated thereby.

Claim 9

A display systEm comprising: A. a plurality of gaseous glow indicator tubes, each comprising a plurality of indicator electrode units, each of said units comprising plural cathode electrodes and an anode electrode; B. a plurality of storage circuit means for storing binary digit signals supplied thereto, the number of said storage circuit means corresponding to the number of said indicator tubes, each of said storage circuit means comprising an output shift register; C. converting means connected to all of said shift registers to receive the binary digit signals therefrom in parallel to convert the binary digit signals into code signals for actuating said indicator electrode units; D. first gating means to apply the binary digit signals sequentially in a time divisional manner from each of said shift registers to said converting means; E. a plurality of display buffer circuits connected to receive the code signals from said converting means in a time divisional manner and each comprising means to store the code signals, each of said buffer circuits being connected to a respective one of said indicator tubes to supply the stored signals to said cathode electrodes therein; and F. means for applying an operating voltage signal selectively to said anode electrodes to operate said indicator tubes in a time divisional manner.

Claim 10

A display systEm comprising: A. a plurality of gaseous glow indicator tubes, each comprising a plurality of indicator electrode units, each of said units comprising plural cathode electrodes and an anode electrode; B. a plurality of storage circuit means for storing binary digit signals supplied thereto, the number of said storage circuit means corresponding to the number of said indicator tubes, each of said storage circuit means comprising an output shift register; C. converting means connected to all of said shift registers to receive the binary digit signals therefrom in parallel to convert the binary digit signals into code signals for actuating said indicator electrode units; D. first gating means to apply the binary digit signals sequentially in a time divisional manner from each of said shift registers to said converting means; E. a plurality of display buffer circuits connected to receive the code signals from said converting means in a time divisional manner and each comprising means to store the code signals, each of said buffer circuits being connected to a respective one of said indicator tubes to supply the stored signals to said cathode electrodes therein; and F. means for applying an operating voltage signal selectively to said anode electrodes to operate said indicator tubes in a time divisional manner.