CH489112A - Gas discharge tube with a stack of electrodes in the form of characters - Google Patents

Gas discharge tube with a stack of electrodes in the form of characters

Info

Publication number
CH489112A
CH489112A CH1794268A CH1794268A CH489112A CH 489112 A CH489112 A CH 489112A CH 1794268 A CH1794268 A CH 1794268A CH 1794268 A CH1794268 A CH 1794268A CH 489112 A CH489112 A CH 489112A
Authority
CH
Switzerland
Prior art keywords
characters
stack
electrodes
gas discharge
discharge tube
Prior art date
Application number
CH1794268A
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 CH489112A publication Critical patent/CH489112A/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
    • H01J17/491—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters
CH1794268A 1967-12-05 1968-12-02 Gas discharge tube with a stack of electrodes in the form of characters CH489112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6716506A NL6716506A (en) 1967-12-05 1967-12-05

Publications (1)

Publication Number Publication Date
CH489112A true CH489112A (en) 1970-04-15

Family

ID=19801901

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1794268A CH489112A (en) 1967-12-05 1968-12-02 Gas discharge tube with a stack of electrodes in the form of characters

Country Status (9)

Country Link
US (1) US3564324A (en)
AT (1) AT284974B (en)
BE (1) BE724856A (en)
CH (1) CH489112A (en)
DE (1) DE1809090A1 (en)
ES (1) ES361029A1 (en)
FR (1) FR1599121A (en)
GB (1) GB1182050A (en)
NL (1) NL6716506A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666911A (en) * 1970-01-23 1972-05-30 Sperry Rand Corp Method for manufacturing planar raised cathode gas tubes
DE2107604B2 (en) * 1970-02-19 1978-11-02 Sony Corp., Tokio Display tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520513A (en) * 1949-04-20 1950-08-29 Sereno Paolo Fluorescent sign lamp
NL6508596A (en) * 1965-07-03 1967-01-04
US3361920A (en) * 1965-08-20 1968-01-02 Bell Telephone Labor Inc Combination analog and digital display device

Also Published As

Publication number Publication date
AT284974B (en) 1970-10-12
BE724856A (en) 1969-06-03
NL6716506A (en) 1969-06-09
US3564324A (en) 1971-02-16
DE1809090A1 (en) 1969-07-24
FR1599121A (en) 1970-07-15
GB1182050A (en) 1970-02-25
ES361029A1 (en) 1970-10-16

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Legal Events

Date Code Title Description
PL Patent ceased