H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.4
H01J 29/89 (2006.01)
Patent
CA 1065004
ABSTRACT OF THE DISCLOSURE This invention discloses a novel projection television tube having, in combination, an envelope with a face plate sealed thereto to define an evacuated space with a projection axis passing through said plate, a generally cylindrical inner shroud mounted on the surface of the face plate and having an optical correction lens mounted therein, a generally cylindrical outer shroud surrounding the face plate and a portion of the envelope with a clearance space therebetween, said inner and outer shrouds having mutually engaging portions adapted to fix their positions on the face plate longitudinally of the projection axis while forming a clearance for relative movement of the shrouds during assembly in directions lateral to said axis, harness means extending into the clearance space and being adapted for mounting the tube to an external support, and a body of adhesive in the clearance space and joining the harness, outer shroud and envelope together. This construction has effectively overcome many of the prior art difficulties and at the same time, has achieved a high level of reproducibility of optical characteristics in production. High quality reception has been achieved at relatively modest cost.
313641
Hergenrother George R.
Kloss Henry E.
LandOfFree
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