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CA548352A - Electric gaseous discharge tubes for displaying indicia - Google Patents

Electric gaseous discharge tubes for displaying indicia

Info

Publication number
CA548352A
CA548352A CA548352A CA548352DA CA548352A CA 548352 A CA548352 A CA 548352A CA 548352 A CA548352 A CA 548352A CA 548352D A CA548352D A CA 548352DA CA 548352 A CA548352 A CA 548352A
Authority
CA
Canada
Prior art keywords
discharge tubes
gaseous discharge
displaying indicia
electric gaseous
electric
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
CA548352A
Other languages
French (fr)
Inventor
J. Williams David
C. Bacon Raymond
R. Acton John
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.)
Ericsson Telephones Ltd
Original Assignee
Ericsson Telephones Ltd
Publication date
Application granted granted Critical
Publication of CA548352A publication Critical patent/CA548352A/en
Expired legal-status Critical Current

Links

CA548352A Electric gaseous discharge tubes for displaying indicia Expired CA548352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA548352T

Publications (1)

Publication Number Publication Date
CA548352A true CA548352A (en) 1957-11-05

Family

ID=35709724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA548352A Expired CA548352A (en) Electric gaseous discharge tubes for displaying indicia

Country Status (1)

Country Link
CA (1) CA548352A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675065A (en) * 1970-01-23 1972-07-04 Sperry Rand Corp Planar gas discharge indicator
US3716899A (en) * 1971-10-13 1973-02-20 Sylvania Electric Prod Vacuum tube readout device having ruggedized internal electrode structure and method of making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675065A (en) * 1970-01-23 1972-07-04 Sperry Rand Corp Planar gas discharge indicator
US3716899A (en) * 1971-10-13 1973-02-20 Sylvania Electric Prod Vacuum tube readout device having ruggedized internal electrode structure and method of making same

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