CH489113A - Gas discharge tube for the simultaneous display of two legible characters - Google Patents

Gas discharge tube for the simultaneous display of two legible characters

Info

Publication number
CH489113A
CH489113A CH22169A CH22169A CH489113A CH 489113 A CH489113 A CH 489113A CH 22169 A CH22169 A CH 22169A CH 22169 A CH22169 A CH 22169A CH 489113 A CH489113 A CH 489113A
Authority
CH
Switzerland
Prior art keywords
gas discharge
discharge tube
simultaneous display
legible characters
legible
Prior art date
Application number
CH22169A
Other languages
German (de)
Inventor
Maria Hendriks Adria Anthonius
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH489113A publication Critical patent/CH489113A/en

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
CH22169A 1968-01-12 1969-01-09 Gas discharge tube for the simultaneous display of two legible characters CH489113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6800473A NL6800473A (en) 1968-01-12 1968-01-12

Publications (1)

Publication Number Publication Date
CH489113A true CH489113A (en) 1970-04-15

Family

ID=19802495

Family Applications (1)

Application Number Title Priority Date Filing Date
CH22169A CH489113A (en) 1968-01-12 1969-01-09 Gas discharge tube for the simultaneous display of two legible characters

Country Status (8)

Country Link
US (1) US3581138A (en)
AT (1) AT284975B (en)
BE (1) BE726770A (en)
CH (1) CH489113A (en)
DE (1) DE1816021A1 (en)
FR (1) FR1599425A (en)
GB (1) GB1179544A (en)
NL (1) NL6800473A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5167091A (en) * 1974-12-09 1976-06-10 Suwa Seikosha Kk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA779997A (en) * 1968-03-05 P. Stenning George Cold cathode gas discharge tubes
FR1352201A (en) * 1962-12-21 1964-02-14 Csf Multicathode Display Tube Improvements

Also Published As

Publication number Publication date
GB1179544A (en) 1970-01-28
NL6800473A (en) 1969-07-15
FR1599425A (en) 1970-07-15
AT284975B (en) 1970-10-12
DE1816021A1 (en) 1969-07-31
US3581138A (en) 1971-05-25
BE726770A (en) 1969-07-10

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Legal Events

Date Code Title Description
PL Patent ceased