FR1579808A - - Google Patents

Info

Publication number
FR1579808A
FR1579808A FR1579808DA FR1579808A FR 1579808 A FR1579808 A FR 1579808A FR 1579808D A FR1579808D A FR 1579808DA FR 1579808 A FR1579808 A FR 1579808A
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
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 filed Critical
Application granted granted Critical
Publication of FR1579808A publication Critical patent/FR1579808A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0069—Tubes for displaying characters
FR1579808D 1967-09-08 1968-09-09 Expired FR1579808A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66874067A 1967-09-08 1967-09-08

Publications (1)

Publication Number Publication Date
FR1579808A true FR1579808A (fr) 1969-08-29

Family

ID=24683532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1579808D Expired FR1579808A (fr) 1967-09-08 1968-09-09

Country Status (5)

Country Link
US (1) US3480820A (fr)
DE (1) DE6750465U (fr)
FR (1) FR1579808A (fr)
GB (1) GB1225057A (fr)
NL (1) NL6812669A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657600A (en) * 1970-05-18 1972-04-18 United Aircraft Corp Auxiliary ionization of dc electric discharge electrode boundary sheaths
JPS4843865A (fr) * 1971-10-06 1973-06-25

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1955391A (en) * 1931-01-27 1934-04-17 Telefunken Gmbh Electrode construction for glow discharge tubes
US2756366A (en) * 1954-04-01 1956-07-24 Nat Union Electric Corp Luminous discharge tube and system
US2917651A (en) * 1956-07-28 1959-12-15 Philips Corp Glow-indicator tube
US2996635A (en) * 1958-12-11 1961-08-15 Int Standard Electric Corp Cold cathode character display tubes
US3005922A (en) * 1959-11-13 1961-10-24 Nat Union Electric Corp Luminous discharge indicia tube
US3262010A (en) * 1960-08-31 1966-07-19 Hughes Aircraft Co Electrical display apparatus incorpolrating electroluminescent and gas discharge devices
NL279906A (fr) * 1961-06-26
US3242370A (en) * 1962-10-03 1966-03-22 Friden Inc Cathode glow indicator tube
US3358176A (en) * 1965-07-19 1967-12-12 Burroughs Corp Multiple cathode indicator tube having no obstruction in the form of support disks

Also Published As

Publication number Publication date
GB1225057A (en) 1971-03-17
US3480820A (en) 1969-11-25
DE6750465U (de) 1969-01-09
NL6812669A (fr) 1969-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse