CA829529A - Automatic focusing system for cathode ray tubes - Google Patents

Automatic focusing system for cathode ray tubes

Info

Publication number
CA829529A
CA829529A CA829529A CA829529DA CA829529A CA 829529 A CA829529 A CA 829529A CA 829529 A CA829529 A CA 829529A CA 829529D A CA829529D A CA 829529DA CA 829529 A CA829529 A CA 829529A
Authority
CA
Canada
Prior art keywords
cathode ray
automatic focusing
ray tubes
focusing system
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
CA829529A
Inventor
G. Wilson Melvin
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA829529A publication Critical patent/CA829529A/en
Expired legal-status Critical Current

Links

CA829529A Automatic focusing system for cathode ray tubes Expired CA829529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA829529T

Publications (1)

Publication Number Publication Date
CA829529A true CA829529A (en) 1969-12-09

Family

ID=36306985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA829529A Expired CA829529A (en) Automatic focusing system for cathode ray tubes

Country Status (1)

Country Link
CA (1) CA829529A (en)

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