GB1230355A - - Google Patents

Info

Publication number
GB1230355A
GB1230355A GB1230355DA GB1230355A GB 1230355 A GB1230355 A GB 1230355A GB 1230355D A GB1230355D A GB 1230355DA GB 1230355 A GB1230355 A GB 1230355A
Authority
GB
United Kingdom
Prior art keywords
cathodes
april
heading
slots
secured
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
Other languages
English (en)
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
Publication of GB1230355A publication Critical patent/GB1230355A/en
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

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1230355D 1968-04-30 1969-04-08 Expired GB1230355A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72538168A 1968-04-30 1968-04-30

Publications (1)

Publication Number Publication Date
GB1230355A true GB1230355A (cs) 1971-04-28

Family

ID=24914316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230355D Expired GB1230355A (cs) 1968-04-30 1969-04-08

Country Status (5)

Country Link
US (1) US3508102A (cs)
DE (1) DE6916419U (cs)
GB (1) GB1230355A (cs)
NL (1) NL6906589A (cs)
SE (1) SE340488B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629637A (en) * 1970-04-01 1971-12-21 Burroughs Corp Indicator tube with leads extending through mesa to support cathodes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437861A (en) * 1965-02-19 1969-04-08 Japan Radio Co Ltd Gas filled cold cathode 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
SE340488B (cs) 1971-11-22
NL6906589A (cs) 1969-11-03
US3508102A (en) 1970-04-21
DE6916419U (de) 1969-09-25

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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