CA489413A - Bobines de concentration pour lampes a rayons cathodiques - Google Patents

Bobines de concentration pour lampes a rayons cathodiques

Info

Publication number
CA489413A
CA489413A CA489413A CA489413DA CA489413A CA 489413 A CA489413 A CA 489413A CA 489413 A CA489413 A CA 489413A CA 489413D A CA489413D A CA 489413DA CA 489413 A CA489413 A CA 489413A
Authority
CA
Canada
Prior art keywords
cathode ray
ray tubes
focussing coils
focussing
coils
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
CA489413A
Other languages
English (en)
Inventor
Reginald Pearce Ralph
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.)
Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA489413A publication Critical patent/CA489413A/fr
Expired legal-status Critical Current

Links

CA489413A Bobines de concentration pour lampes a rayons cathodiques Expired CA489413A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489413T

Publications (1)

Publication Number Publication Date
CA489413A true CA489413A (fr) 1953-01-06

Family

ID=35629141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489413A Expired CA489413A (fr) Bobines de concentration pour lampes a rayons cathodiques

Country Status (1)

Country Link
CA (1) CA489413A (fr)

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