US3911422A - Gas panel with shifting arrangement with a display having increased light intensity - Google Patents

Gas panel with shifting arrangement with a display having increased light intensity Download PDF

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Publication number
US3911422A
US3911422A US447595A US44759574A US3911422A US 3911422 A US3911422 A US 3911422A US 447595 A US447595 A US 447595A US 44759574 A US44759574 A US 44759574A US 3911422 A US3911422 A US 3911422A
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United States
Prior art keywords
gas
envelope
vertical
conductors
horizontal
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Expired - Lifetime
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US447595A
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English (en)
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Allen W Mcdowell
Frank M Lay
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International Business Machines Corp
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International Business Machines Corp
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Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to US447595A priority Critical patent/US3911422A/en
Priority to FR7501213A priority patent/FR2263593B1/fr
Priority to GB166275A priority patent/GB1442580A/en
Priority to IT19688/75A priority patent/IT1031236B/it
Priority to DE19752504730 priority patent/DE2504730A1/de
Priority to CA219,840A priority patent/CA1035877A/en
Application granted granted Critical
Publication of US3911422A publication Critical patent/US3911422A/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
    • H01J17/492—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes
    • H01J17/494—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes using sequential transfer of the discharges, e.g. of the self-scan type
    • H01J17/495—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes using sequential transfer of the discharges, e.g. of the self-scan type display panels using sequential transfer of the discharge along dielectric storage elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing

Definitions

  • Patent 1 I I 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 hfil l n H Hwl l ln i l l h HM w I IHH I IHHHHHU H U m m1 2 3 #AHHHM HHHH HH H nw l l i lfln Hl I I IHHi l lHU m H W QT w. Tm H I HH n H IH IHH IMNWI I I M NH w H H n H HM U n u n lm+ llullllvlllllllllllIll-I'lllllll llll II US. Patent Oct. 7,1975 Sheet 2 of 3 3,911,422
  • FIG. 2 DI RECTI 0N 0F SHIFT FIG. 2 FIG. 3
  • FIG.6 FIG.7
  • This invention relates to gas panels and more particularly to such devices where information displayed and shifted, vertically or horizontally, may be viewed more easily by increasing the number of the illuminated gas cells of the gas panel.
  • a gas panel for storing, displaying, selectively shifting characters from one place to another by an arrangement which includes an envelope filled with an illuminable gas having a plurality of vertical conductors disposed in parallel on one side of the envelope and a plurality of horizontal conductors disposed in parallel on the opposite side of the envelope thereby to form a matrix array or grid network.
  • the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors define gas cells.
  • a writing device is coupled to a given portion of the envelope for writing information therein by igniting or not igniting the illuminable gas to represent binary ones and zeros.
  • Information written or inserted on the face of the gas panel thereafter is shifted through the matrix array of vertical and horizontal conductors to selected destinations.
  • information in the form of a character, represented by a series of individual igniting gas cells has reached its destination by shifting operations, its light intensity is increased by igniting another gas cell adjacent to each individual ignited gas cell forming the character.
  • the ignited cell may be on the horizontal axis to the left or right, or it may be on the vertical axis either above or below. Alternatively, additional adjacent cells in both the horizontal and the vertical regions may be illuminated. This can be accomplished in various types of gas panel display devices including that shown and described in said co-pending application Ser. No.
  • the 214,348 by providing sustain signals to the coordinate drive line where the information is shifted to as well as the adjacent coordinate drive line from which the information last was shifted.
  • the number of ignited gas cells is doubled thereby increasing the light intensity of the displayed character. If the last shift is performed along the horizontal axis, then the pairs of ignited gas cells are disposed horizontally. If the last shift is performed along the vertical axis, then the pairs of ignited gas cells are disposed vertically. If it is desired to increase the light intensity of a displayed character further, then such pair of ignited gas cells may be shifted again, either vertically or horizontally as desired, thereby to ignite and sustain still further adjacent gas cells.
  • FIG. 1 illustrates one embodiment according to this invention. 1
  • FIG. 2 illustrates a gas panel which shifts characters to the right and forms the characters with single ignited gas cells.
  • FIG. 3 illustrates the character in FIG. 2 shifted once to the right and sustained to ignite a pair of gas cells for each gas cell in FIG. 2.
  • FIG. 4 illustrates in detail the pulse distributor shown in block form in FIG. 1.
  • FIG. 5 illustrates a gas panel which shifts characters upwardly and forms the characters with single ignited gas cells.
  • FIG. 6 illustrates the character in FIG. 5 shifted once upwardly and sustained to ignite a pair of gas cells for each ignited gas cell in FIG. 5.
  • FIG. 7 illustrates the character in FIG. 6 shifted once to the left or right, or the character in FIG. 3 shifted once up or down, and thereafter sustained to double once again the number of ignited gas cells in FIG. 3 or FIG. 6.
  • a gas-filled container 10 serves as a storage or display device.
  • the container 10 may be filled with a combination of illuminable gases in the vicinity of atmospheric pressure.
  • One suitable such container is illustrated and described in copending application Ser. No. 214,348 filed on Dec. 30, 1971 for Gas Panel Fabrication by Peter H. Haberland et al.
  • a set of W horizontal conductors 15 through 19 are disposed as shown beneath the gas, where W is any integer which is a multiple of three.
  • a set of N vertical conductors 21 through 29 are disposed as shown above the gas, where N is any integer which is a multiple of three.
  • the horizontal conductors or drive lines 15 through 19 and the vertical conductors or drive lines 21 through 29 serve as coordinate lines which divide the gas into a grid network or a matrix array of gas cells. Gas cells are defined by the regions of the gas between the vertical and horizontal lines at the coordinate intersections of such horizontal and vertical lines.
  • the gas panel is shown with a small number of vertical and horizontal conductors in the interest of convenience.
  • a vertical drive line 40 disposed above the gas and a plurality of horizontal drive lines 45 through 49 disposed beneath the gas are used to insert or write data in the gas by igniting or not igniting the gas cells defined by the coordinate intersections of the vertical drive line 40 and the horizontal drive lines 45 through 49 thereby to represent binary information.
  • the gasfilled container is operated by signals applied to the vertical and horizontal drive lines.
  • a normalized pulse generator 60 supplies signals on an output line 61 to the horizontal drive lines through 19. Signals from the normalized pulse generator 60 on the line 61 are sup plied also through an inverter 62 to a pulse distributor 63.
  • the pulse distributor 63 in turn provides signals on outputlines 71 through 73.
  • Signals on output line 71 are supplied to a set of vertical drive lines 21, 24 and 27.
  • Signals on the output line 72 are supplied to a set of vertical drive lines 22, and 28.
  • Signals on the output line 73 are supplied to a set of vertical drive lines 23, 26 and 29.
  • Signals on the output line 73 are supplied also to a set of gates 81 through 85.
  • a character generator 90 supplies signals representing binary data on output lines 91 through 95 to respective gates 81 through 85.
  • the character generator 90 supplies signals through the gates 81 through 85 to respective lines 45 through 49 to ignite selected ones of the gas cells defined by the coordinate intersections of the vertical line and the horizontal lines through 49. This transfer is made by a P3 pulse on the line 73.
  • the pulses P1, P2 and P3 are supplied, in a repetitive sequence for shift operations.
  • the next P1 pulse shifts information represented by the ignited cells on the vertical line 40 to the corresponding horizontal position on the vertical line 21.
  • the following P2 pulse shifts information represented by the ignited cells on the vertical line 21 to the corresponding horizontal position on the vertical line 22.
  • the next P3 pulse shifts information represented by the ignited cells on the vertical line 22 to the corresponding horizontal position on the vertical line 23, and simultaneously the P3 pulse operates the gates 81 through to transfer the next byte of information from the character generator in the form of signals which ignite selected gas cells on the vertical line 40 as explained above. This process continues until all bytes of a given character have been inserted at the left, shifted to the right, and stored as ignited gas cells on the vertical lines 23, 26 and 29.
  • P3 pulses are continuously applied on the line 73 to sustain the ignition of gas cells on the lines 23, 26 and 29 thereby to provide permanent storage.
  • FIG. 2 is a schematic representation of a gas panel showing the grid network of vertical and horizontal drive lines with ignited gas cells forming the letter R.
  • the grid network of horizontal and vertical lines in FIG. 2 is much more compact than that shown in FIG. 1.
  • the grid network of FIG. 1 was expanded for ease of illustration, but in a practical arrangement the horizontal and vertical drive lines are disposed with 35 to 50 lines per inch.
  • the letter R in FIG. 2 is formed with a series of individual ignited gas cells where each gas cell is a point source of light.
  • FIG. 2 illustrates the manner in which characters are generated and displayed by the gas panel illustrated and described in said co-pending application Ser. No. 262,367 referred to above.
  • a train of pulses from the inverter 62 is supplied to a ring circuit composed of stages P1, P2 and P3.
  • the pulses of the train supplied to the ring circuit are distributed to the respective output lines 101, 102 and 103 in turn.
  • Signals on the lines 102 and 103 are supplied to respective drivers 105 and 106.
  • Output signals from the drivers 105 and 106 are supplied on the respective lines 72 and 73 as P2 and P3 pulses respectively.
  • P1 signals on the line 101 are supplied to an AND circuit 107.
  • a mode control latch 108 has an output line 109 which supplies output signals to the AND circuit 107.
  • Input control lines and 111 supply signals to the mode latch 108.
  • a control signal is applied to the input line 110 to set the mode latch 108 to the shift mode, and this latch in turn supplies a control signal on the line 109 to operate the AND circuit 107.
  • This causes the AND circuit 107 to pass P1 pulses on the line 101 to a driver 104.
  • the driver 104 in turn supplies Pl pulses to the output line 71 when shifting operations take place.
  • a control signal is supplied to the input line 1 11 to reset the mode latch to the sustain mode.
  • the mode latch 108 supplies a signal on theoutput line 109 which deactivates the AND circuit 107 thereby inhibiting the P1 pulses'on the line 101 from reaching the driver 104. No P1 pulses are supplied on the output line 71 whenever the mode latch 108 is reset. to the sustain mode.
  • a signal is applied on the line 110 in FIG. 4 thereby to set the mode latch 108 and condition the AND circuit 107 to pass P1 pulses.
  • the pulse distributor 63 supplies successive pulses P1, P2 and P3 on respective'lines 71, 72 and 73 as successive sets of data signals from the character generator '90 in FIG. 1 are supplied to the gas panel and shifted to the right.
  • the shift mode is terminated by supplying a controlsignal to the line 111 in FIG. 4 which thereby terminates the shift mode and ini- I tiates the sustain mode.
  • the pulse distributor 63 in FIG. 4 continues to supply P2 and P3 pulses from the stages P2 and P3 of the ring circuit along respective lines 102 and 103 through respective drivers 105 and 106 to respective output lines 72 and 73.
  • the P2 signals on the line 72 in FIG. 4 are supplied to the vertical conductors 22, 25 and 28 in FIG. 1.
  • the P3 signalson the output line 73 in FIG. 4 are supplied to the vertical drive lines 23, 26
  • FIG. 1 Because it is composed of twice as many ignited gas cells as the character in FIG. 2.
  • the increased light intensity is caused by ignited gas cells disposed along the horizontal axis in FIG. 3. It may and 29 of FIG. 1.
  • Each binary bit of information repre sented by an ignited gas cell on horizontal lines is sustained by a P3 pulse on the associated vertical line, and in addition the gas cell adjacent thereto on the left is ignited by a P2 pulse. This is illustrated by example next.
  • the character R may be shifted onto the face of a gas panel from the bottom thereof.
  • Character information is inserted at the bottom of the panel and shifted vertically to the desired destination.
  • the panel in FIG. 1 may be rotated thereby placing the character generator 90 across the lower edge of the gas container '10.
  • the shift mode is terminated, and the sustain mode is initiated.
  • P2 and P3 pulses then are employed to ignite a pair of gas cells in the vertical direction as illustrated with the letter R in FIG. 6.
  • P2 and P3 pulses then are employed to ignite a pair of gas cells in the vertical direction as illustrated with the letter R in FIG. 6.
  • each pair ofcells disposed vertically in FIG. 6v are employed during the shift to ignite an additional pair of vertical cells as shown in FIG. 7 thereby again doubling the number of ignited cells and increasing the light intensity accordingly.
  • the character R in FIG. 6 may be shifted to the left in order to obtain the same result.
  • the character R in FIG. 3 may be shifted vertically, either up or down, to double the number of ignited gas cells thereby to obtain the light intensity of the charac- -ter R in FIG. 7.
  • FIG. 1 can be used to obtain the light intensity for the character R shown in FIGS. 3 and 6. Since such circuits cannot shift along both the vertical and the horizontal axes, the light intensity shown in FIG. 7 cannot be obtained by the arrangement in FIG. 1.
  • said co-pending application Ser. No. 262,367 referred to above shows an arrangement in FIG. 4 therein which permit horizontal and vertical shifting selectively.
  • Such arrangement if modified according to the principles of this invention, can provide characters of the type shown in FIG. 7.
  • Any other gas panel which provides for shifting characters horizontally and vertically on a selective basis can display character of the type shown in FIG. 7.
  • a gas panel for storing, displaying and selectively shifting information from one place therein to another comprising:
  • sustain circuit means coupled to the shift circuits for selectively modifying the function of said shift circuits to terminate shifting and also to ignite twice as many gas cells as ignited by the write circuits thereby to increase the intensity of the displayed information.
  • shift circuits coupled to said vertical conductors for selectively shifting from one gas cell to another along the horizontal conductors said X binary bits
  • sustain circuit means coupled to the shift circuits for selectively modifying the function of said shift circuits to terminate shifting and also to operate gas cells in said envelope to store 2X binary bits which thereby increases the intensity of the displayed information by igniting twice as many gas cells as ignited by the write circuits.
  • a gas panel for storing, displaying and selectively shifting information from one place therein to another comprising:
  • shift circuits coupled to said horizontal conductors for selectively shifting binary information from one gas cell to another along the vertical conductors
  • sustain circuit means coupled to the shift circuits for selectively modifying the function of said shift circuits to terminate shifting and also to ignite twice as many gas cells as ignited by the write circuits thereby to increase the intensity of the displayed information.
  • a gas panel for storing, displaying and selectively write circuits coupled to said horizontal conductors 5 shifting information'from one place therein to another comprising:
  • write circuits coupled to said vertical conductors for selectively writing in gas cells of said envelope X binary bits by igniting or not igniting the illuminable gas of each cell to represent binary ones and zeros,
  • sustain circuit means coupled to the shift circuits for selectively modifying the function of said shift circuits to terminate shifting and also to operate gas cells in said envelope to store 2X binary bits which thereby increases the intensity of the displayed information by igniting twice as many gas cells as ignited by the write circuits.
  • a gas panel for storing, displaying, and selectively shifting information from one place therein to another comprising:
  • N is any integer which is a multiple of three
  • W is any integer which is a multiple of three
  • the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors defining gas cells.
  • first signal means coupled to a given portion of said envelope for selectively writing therein binary information by igniting or not igniting the illuminable gas cells to represent binary ones and zeros.
  • second signal means for supplying a sequence of disthird signal means for supplying a sequence of discrete signals R1, R2 and R3 for shifting information vertically, means connecting the R1 signals to the horizontal conductors l, 4, 7 W-l, means connecting the R2 signals to the horizontal conductors 2, 5, 8 W-l and means connecting the R3 signals to the horizontal conductors 3, 6, 9 W, whereby each, set of three successive horizontal lines is energized seriatim by the signals R1, R2 and R3 in the direction of the vertical shift of binary information,
  • fourth signal means for supplying a train of normalized signals, means coupling the train of normal ized signals to each horizontal conductor on which new information is written and shifted horizontally, said train of normalized signals being composed of discrete signals which occur in time between each of the pulses P1, P2 and P3.
  • said second signal means including additional means for inhibiting P1 signals and simultaneously continuing to supply P2 and P3 signals on the associ ated vertical conductors to sustain ignited gas cells and for terminating horizontal shifting of binary information, and
  • said third means including further means for inhibiting R1 signals and simultaneously continuing to supply R2 and R3 signals to the associated horizontal conductors to sustain ignited gas cells and for terminating vertical shifting of binary information.
  • a gas panel for storing, displaying, and selectively shifting information form one place therein to another comprising:
  • N is any integer which is a multiple of three
  • W is any integer which is a multiple of three
  • the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors defining gas cells
  • first signal means coupled to a given portion of said envelope for selectively writing therein X binary bits by igniting or not igniting the illuminable gas to represent binary ones and zeros
  • second signal means coupled to said vertical conductors for shifting binary information selectively from one gas cell to another along said horizontal conductors
  • third signal means coupled to the horizontal conductors for shifting binary information selectively from one gas cell to another along said vertical conductors
  • fourth means coupled to the second signal means and the third signal means for modifying the function of the second signal means and the third signal means whereby shifting is terminated and 2X binary bits of said envelope are operated thereby to increase the illumination of the displayed information.
  • a gas panel for storing, displaying, and selectively shifting information from one place therein to another comprising:
  • N is any integer which is a multiple of three
  • W is any integer which is a multiple of three
  • the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors defining gas cells
  • first signal means coupled to a given portion of said envelope for selectively writing therein X binary 10 bits by igniting or not igniting the illuminable gas to represent binary ones and zeros, and
  • second signal means coupled to said horizontal conductors for shifting binary information selectively from one gas cell to another along said vertical conductors
  • a gas panel for storing, displaying and selectively shifting information from one place therein to another comprising:
  • an envelope filled with an illuminable gas a plurality of N vertical conductors disposed in parallel on one side of said envelope, where N is any integer which is a multiple of three, a plurality of W horizontal conductors disposed in parallel on the opposite side of said envelope, where W is any integer which is a multiple of three, the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors defining WN gas cells,
  • writing means coupled to a given portion of said envelope for selectively writing therein X binary bits by igniting or not igniting the illuminable gas cells to represent binary ones and zeros
  • shift means coupled to the vertical conductors for supplying a repetitive sequence of signals P1, P2 and F3 for shifting said X binary bits horizontally
  • a gas panel for storing, displaying and selectively shifting information from one place therein to another comprising:
  • an envelope filled with an illuminable gas a plurality of N vertical conductors disposed in parallel on one side of said envelope, where N is any integer which is a multiple of three, a plurality of W horizontal conductors disposed in parallel on the opposite side of said envelope, where W is any integer which is a multiple of three, the illuminable gas in the vicinity of the coordinate intersections of the vertical and horizontal conductors defining WN gas cells,
  • writing means coupled to a given portion of said envelope for selectively writing therein X binary bits by igniting or not igniting the illuminable gas cells to represent binary ones and zeros,
  • shift means coupled to the horizontal conductors for supplying a repetitive sequence of signals P1, P2 and P3 for shifting said X binary vits vertically,

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
US447595A 1974-03-04 1974-03-04 Gas panel with shifting arrangement with a display having increased light intensity Expired - Lifetime US3911422A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US447595A US3911422A (en) 1974-03-04 1974-03-04 Gas panel with shifting arrangement with a display having increased light intensity
FR7501213A FR2263593B1 (enrdf_load_stackoverflow) 1974-03-04 1975-01-10
GB166275A GB1442580A (en) 1974-03-04 1975-01-15 Gas discharge panel display device
IT19688/75A IT1031236B (it) 1974-03-04 1975-01-29 Pannello a gas per la visualtz zazione di informazioni
DE19752504730 DE2504730A1 (de) 1974-03-04 1975-02-05 Plasmabildschirm
CA219,840A CA1035877A (en) 1974-03-04 1975-02-11 Gas panel with shifting arrangement with a display having increased light intensity

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Application Number Priority Date Filing Date Title
US447595A US3911422A (en) 1974-03-04 1974-03-04 Gas panel with shifting arrangement with a display having increased light intensity

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US3911422A true US3911422A (en) 1975-10-07

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US447595A Expired - Lifetime US3911422A (en) 1974-03-04 1974-03-04 Gas panel with shifting arrangement with a display having increased light intensity

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US (1) US3911422A (enrdf_load_stackoverflow)
CA (1) CA1035877A (enrdf_load_stackoverflow)
DE (1) DE2504730A1 (enrdf_load_stackoverflow)
FR (1) FR2263593B1 (enrdf_load_stackoverflow)
GB (1) GB1442580A (enrdf_load_stackoverflow)
IT (1) IT1031236B (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027197A (en) * 1975-10-08 1977-05-31 Ncr Corporation Variable bar display tube using insulated electrodes
US4051409A (en) * 1976-01-13 1977-09-27 Ncr Corporation Load and hold system for plasma charge transfer devices
US4063231A (en) * 1976-10-26 1977-12-13 Modern Controls, Inc. Visual display apparatus
US4080597A (en) * 1976-07-16 1978-03-21 Modern Controls, Inc. Gas display panel having planar conductors
US4114069A (en) * 1975-07-09 1978-09-12 Fujitsu Limited Method and apparatus for driving a gas-discharge display panel
US4336535A (en) * 1980-04-16 1982-06-22 Ncr Corporation Cursor for plasma shift register display
US4426646A (en) 1978-02-16 1984-01-17 Fujitsu Limited Self shift type gas discharge panel, driving system
US5063462A (en) * 1984-03-21 1991-11-05 Canon Kabushiki Kaisha LED array and partitive driving method therefor using overlapping activation periods

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7712743A (nl) * 1976-11-30 1978-06-01 Fujitsu Ltd Stelsel voor het besturen van een gasontladings- paneel.
US4242680A (en) * 1978-02-27 1980-12-30 International Business Machines Corporation Multiple data line shift gas panel assembly
US4386351A (en) 1980-12-20 1983-05-31 Timex Corporation Method and system for two-dimensional traveling display and driver circuits therefor
US5990854A (en) * 1993-08-03 1999-11-23 Plasmaco, Inc. AC plasma panel with system for preventing high voltage buildup

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683364A (en) * 1971-01-18 1972-08-08 Burroughs Corp Display panel wherein each scanning cell is associated with a plurality of display cells
US3775764A (en) * 1972-10-02 1973-11-27 Ncr Multi-line plasma shift register display
US3792465A (en) * 1971-12-30 1974-02-12 Texas Instruments Inc Charge transfer solid state display
US3795908A (en) * 1972-06-13 1974-03-05 Ibm Gas panel with multi-directional shifting arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683364A (en) * 1971-01-18 1972-08-08 Burroughs Corp Display panel wherein each scanning cell is associated with a plurality of display cells
US3792465A (en) * 1971-12-30 1974-02-12 Texas Instruments Inc Charge transfer solid state display
US3795908A (en) * 1972-06-13 1974-03-05 Ibm Gas panel with multi-directional shifting arrangement
US3775764A (en) * 1972-10-02 1973-11-27 Ncr Multi-line plasma shift register display

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114069A (en) * 1975-07-09 1978-09-12 Fujitsu Limited Method and apparatus for driving a gas-discharge display panel
US4027197A (en) * 1975-10-08 1977-05-31 Ncr Corporation Variable bar display tube using insulated electrodes
US4051409A (en) * 1976-01-13 1977-09-27 Ncr Corporation Load and hold system for plasma charge transfer devices
US4080597A (en) * 1976-07-16 1978-03-21 Modern Controls, Inc. Gas display panel having planar conductors
US4063231A (en) * 1976-10-26 1977-12-13 Modern Controls, Inc. Visual display apparatus
US4426646A (en) 1978-02-16 1984-01-17 Fujitsu Limited Self shift type gas discharge panel, driving system
US4336535A (en) * 1980-04-16 1982-06-22 Ncr Corporation Cursor for plasma shift register display
US5063462A (en) * 1984-03-21 1991-11-05 Canon Kabushiki Kaisha LED array and partitive driving method therefor using overlapping activation periods

Also Published As

Publication number Publication date
FR2263593B1 (enrdf_load_stackoverflow) 1976-12-31
GB1442580A (en) 1976-07-14
DE2504730A1 (de) 1975-09-11
FR2263593A1 (enrdf_load_stackoverflow) 1975-10-03
CA1035877A (en) 1978-08-01
IT1031236B (it) 1979-04-30

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