Cathode ray tube and deflection unit suitable for use in such a

Details Cathode ray tube and deflection unit suitable for use in such a Cathode ray tube and deflection unit suitable for use in such a

1991-12-03

1993-03-16

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

335210, G01S 144, H01F 700

Patent

active

051947854

ABSTRACT:
An electromagnetic deflection unit (7) coaxially surrounds a part of the envelope (1) of a cathode array tube. The deflection unit (7) comprises a coil support (8) and a deflection coil system (11, 11') which is located between the coil support (8) and the envelope (1). Each end portion (18, 18') of the coils (11, 11') is located exclusively on the side of the front flange (16, 16') of the associated coil (11, 11') facing away from the envelope (1). By virtue thereof, the deflection unit (7) can be tilted relative to the envelope (1) such that a sufficient degree of convergence of electron beams on the display screen of the cathode ray tube is obtained.

REFERENCES:
patent: 2980815 (1961-04-01), Ecker
patent: 3629750 (1971-12-01), Nienaber

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