CA492322A - Magnetic focussing device for cathode ray tubes - Google Patents

Magnetic focussing device for cathode ray tubes

Info

Publication number
CA492322A
CA492322A CA492322A CA492322DA CA492322A CA 492322 A CA492322 A CA 492322A CA 492322 A CA492322 A CA 492322A CA 492322D A CA492322D A CA 492322DA CA 492322 A CA492322 A CA 492322A
Authority
CA
Canada
Prior art keywords
cathode ray
ray tubes
focussing device
magnetic focussing
magnetic
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
CA492322A
Other languages
French (fr)
Inventor
R. J. Court Patrick
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
Publication date
Application granted granted Critical
Publication of CA492322A publication Critical patent/CA492322A/en
Expired legal-status Critical Current

Links

CA492322A Magnetic focussing device for cathode ray tubes Expired CA492322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA492322T

Publications (1)

Publication Number Publication Date
CA492322A true CA492322A (en) 1953-04-21

Family

ID=35637701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA492322A Expired CA492322A (en) Magnetic focussing device for cathode ray tubes

Country Status (1)

Country Link
CA (1) CA492322A (en)

Similar Documents

Publication Publication Date Title
CA492322A (en) Magnetic focussing device for cathode ray tubes
CA489413A (en) Focussing coils for cathode ray tubes
CA489657A (en) Beam centering devices for cathode ray tubes
CA492879A (en) Cathode ray tubes
CA491745A (en) Suspension mounting for the focussing device of a cathode ray tube
AU149173B2 (en) Magnetic focussing device for cathode ray tubes
CA489395A (en) Cathode ray tubes with magnetic deflection
CA492115A (en) Cathode ray tube
CA491206A (en) Deflection system for cathode ray tubes
CA490644A (en) Cathode ray tube mounting means
CA514880A (en) Device for the magnetic deflection of cathode ray tubes
AU3278050A (en) Magnetic focussing device for cathode ray tubes
CA497473A (en) Cathode ray tube equipment
CA498460A (en) Deflecting device for cathode-ray tube
CA518805A (en) Magnetic deflection system for cathode ray tube
CA491697A (en) Astatic cathode ray tube
CA490795A (en) Cathode ray tube circuit
CA492445A (en) Cathode ray storage tube
CA496159A (en) Suspension arrangement for cathode ray tubes
CA539898A (en) Magnetic deflecting means for cathode ray tubes
AU214249B2 (en) Contrast boosting device for cathode ray tubes
CA510506A (en) Cathode ray tubes
CA510903A (en) Cathode ray tubes
CA515899A (en) Cathode ray tubes
CA561306A (en) Magnetic focussing field arrangements for cathode ray tubes