GB1422402A - Gas discharge display device - Google Patents

Gas discharge display device

Info

Publication number
GB1422402A
GB1422402A GB1446973A GB1446973A GB1422402A GB 1422402 A GB1422402 A GB 1422402A GB 1446973 A GB1446973 A GB 1446973A GB 1446973 A GB1446973 A GB 1446973A GB 1422402 A GB1422402 A GB 1422402A
Authority
GB
United Kingdom
Prior art keywords
members
coating
photo
glass plate
electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1446973A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Purchase F J
Original Assignee
Purchase F J
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Purchase F J filed Critical Purchase F J
Publication of GB1422402A publication Critical patent/GB1422402A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/313—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being gas discharge devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/40—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using smoke, fire or coloured gases
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

1422402 Gas discharge display panels F J PURCHASE 26 March 1973 [18 April 1972] 14469/73 Heading H1D A display device comprises a scanning portion and a display portion connected by conductive members 30 controlled by photo-conductive members 36. The scanning portion includes a glass plate 48 having grooves 52 in which are mounted stainless steel strip electrodes 54. A glass plate 44 has a coating 46 of tin oxide. The space between the plates is filled with an ionizable gas, e.g. neon, and is divided. by anodized aluminium strips 56 provided with notches 58 to allow the passage of ions. The display portion includes a glass plate 22 with a transparent coating 24 of tin oxide, and an opaque plate 26 of glass or plastics supporting the members 30. The space 28 between the plates is filled with neon. The members 30 are aluminium plugs having grooves 32 in which the photo-conductive members 36 are mounted and insulated therefrom by a layer 34 formed by anodizing. Each photo-conductive member 36 is connected at its centre to a laterally extending electrode 38 and is connected at its edges by connectors 40 to its associated member 30. Application of a voltage between one of the strip electrodes 54 and the coating 46 creates a discharge which illuminates and lowers the resistance of a column of the members 30. Application of a signal to an electrode 38 selects one member of the column and a discharge is produced between that member 30 and the coating 24. Circuits are described (Figs. 6 and 9, not shown) in which the number of necessary connections is reduced by providing a common connection to every fourth strip electrode 54. The number of connections necessary when connecting a plurality of the devices together (Fig. 12, not shown) may be reduced by multiplexing the addressing of the electrodes 38.
GB1446973A 1972-04-18 1973-03-26 Gas discharge display device Expired GB1422402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00245099A US3812486A (en) 1972-04-18 1972-04-18 Display having a photoconductor gas discharge control

Publications (1)

Publication Number Publication Date
GB1422402A true GB1422402A (en) 1976-01-28

Family

ID=22925276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1446973A Expired GB1422402A (en) 1972-04-18 1973-03-26 Gas discharge display device

Country Status (5)

Country Link
US (1) US3812486A (en)
JP (1) JPS4921035A (en)
CA (1) CA976638A (en)
DE (1) DE2317188A1 (en)
GB (1) GB1422402A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406131A (en) * 1973-05-23 1975-09-17 Meiling J Production of wax patterns
US3940757A (en) * 1975-02-05 1976-02-24 Autotelic Industries, Ltd. Method and apparatus for creating optical displays
US4035774A (en) * 1975-12-19 1977-07-12 International Business Machines Corporation Bistable electroluminescent memory and display device
US4031552A (en) * 1976-03-05 1977-06-21 The United States Of America As Represented By The Secretary Of The Army Miniature flat panel photocathode and microchannel plate picture element array image intensifier tube
US4257041A (en) * 1978-06-19 1981-03-17 Izon Corporation Electro optical display device
US4386348A (en) * 1979-06-22 1983-05-31 Burroughs Corporation Display panel having memory
US4896149A (en) * 1988-01-19 1990-01-23 Tektronix, Inc. Addressing structure using ionizable gaseous medium
US6288561B1 (en) * 1988-05-16 2001-09-11 Elm Technology Corporation Method and apparatus for probing, testing, burn-in, repairing and programming of integrated circuits in a closed environment using a single apparatus
US5311204A (en) * 1991-08-28 1994-05-10 Tektronix, Inc. Offset electrodes
US5440201A (en) * 1992-08-26 1995-08-08 Tektronix, Inc. Plasma addressing structure with wide or transparent reference electrode
TW228592B (en) * 1992-08-26 1994-08-21 Tektronix Inc
TW247358B (en) * 1993-03-04 1995-05-11 Tektronix Inc
US5400046A (en) * 1993-03-04 1995-03-21 Tektronix, Inc. Electrode shunt in plasma channel
US6923868B2 (en) 2003-09-23 2005-08-02 Gba S.A. Installation for electron-ray coatication of coatings

Also Published As

Publication number Publication date
JPS4921035A (en) 1974-02-25
DE2317188A1 (en) 1973-11-08
US3812486A (en) 1974-05-21
CA976638A (en) 1975-10-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees