FR2146480B1 - - Google Patents

Info

Publication number
FR2146480B1
FR2146480B1 FR7226414A FR7226414A FR2146480B1 FR 2146480 B1 FR2146480 B1 FR 2146480B1 FR 7226414 A FR7226414 A FR 7226414A FR 7226414 A FR7226414 A FR 7226414A FR 2146480 B1 FR2146480 B1 FR 2146480B1
Authority
FR
France
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
FR7226414A
Other languages
French (fr)
Other versions
FR2146480A1 (enExample
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2146480A1 publication Critical patent/FR2146480A1/fr
Application granted granted Critical
Publication of FR2146480B1 publication Critical patent/FR2146480B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
FR7226414A 1971-07-22 1972-07-21 Expired FR2146480B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3436971 1971-07-22

Publications (2)

Publication Number Publication Date
FR2146480A1 FR2146480A1 (enExample) 1973-03-02
FR2146480B1 true FR2146480B1 (enExample) 1977-07-22

Family

ID=10364790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226414A Expired FR2146480B1 (enExample) 1971-07-22 1972-07-21

Country Status (6)

Country Link
US (1) US3764847A (enExample)
CA (1) CA954179A (enExample)
DE (1) DE2234199A1 (enExample)
FR (1) FR2146480B1 (enExample)
GB (1) GB1325260A (enExample)
NL (1) NL7209538A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431758A (en) * 1972-06-21 1976-04-14 Ferranti Ltd Visual display devices
US3849688A (en) * 1973-06-28 1974-11-19 Burroughs Corp Display panel having rows and columns of cells with wide viewing angle
GB1473849A (en) * 1973-09-28 1977-05-18 Mullard Ltd Glow-discharge display device
US3889150A (en) * 1974-07-30 1975-06-10 Burroughs Corp Gaseous discharge display panel with scanning anode base plate assembly including resistive masses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334269A (en) * 1964-07-28 1967-08-01 Itt Character display panel having a plurality of glow discharge cavities including resistive ballast means exposed to the glow discharge therein

Also Published As

Publication number Publication date
US3764847A (en) 1973-10-09
FR2146480A1 (enExample) 1973-03-02
GB1325260A (en) 1973-08-01
NL7209538A (enExample) 1973-01-24
DE2234199A1 (de) 1973-02-01
CA954179A (en) 1974-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse