GB994455A - Improvements in glow discharge indicator tubes - Google Patents

Improvements in glow discharge indicator tubes

Info

Publication number
GB994455A
GB994455A GB3430/63A GB343063A GB994455A GB 994455 A GB994455 A GB 994455A GB 3430/63 A GB3430/63 A GB 3430/63A GB 343063 A GB343063 A GB 343063A GB 994455 A GB994455 A GB 994455A
Authority
GB
United Kingdom
Prior art keywords
cathodes
discharge indicator
glow discharge
glow
indicator tubes
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
GB3430/63A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB994455A publication Critical patent/GB994455A/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

  • Lasers (AREA)
  • Gas-Filled Discharge Tubes (AREA)
GB3430/63A 1962-01-31 1963-01-28 Improvements in glow discharge indicator tubes Expired GB994455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL274225 1962-01-31

Publications (1)

Publication Number Publication Date
GB994455A true GB994455A (en) 1965-06-10

Family

ID=19753581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3430/63A Expired GB994455A (en) 1962-01-31 1963-01-28 Improvements in glow discharge indicator tubes

Country Status (4)

Country Link
US (1) US3260882A (de)
CH (1) CH448279A (de)
GB (1) GB994455A (de)
SE (1) SE315662B (de)

Families Citing this family (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
US3497751A (en) * 1967-09-25 1970-02-24 Burroughs Corp Transparent electrode and device using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796557A (en) * 1952-05-22 1957-06-18 Ibm Glow discharge tube
US2991387A (en) * 1958-09-22 1961-07-04 Burroughs Corp Indicator tube
US2996635A (en) * 1958-12-11 1961-08-15 Int Standard Electric Corp Cold cathode character display tubes

Also Published As

Publication number Publication date
US3260882A (en) 1966-07-12
CH448279A (de) 1967-12-15
SE315662B (de) 1969-10-06

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