Electric lamp and discharge devices – Cathode ray tube – Image pickup tube
Patent
1986-04-28
1987-09-08
Moore, David K.
Electric lamp and discharge devices
Cathode ray tube
Image pickup tube
313451, 313456, H01J 2902, H01J 2982, H01J 3126
Patent
active
046926585
ABSTRACT:
The present imaging system, like prior imaging systems, includes an electron tube and an external solenoid which is disposed around a portion of the tube. An electron gun within the tube has a plurality of support beads located substantially symmetrically around the gun. Each of the beads comprises a body of insulating material having a first major surface and an oppositely disposed second major surface. A recess is formed in the first major surface and extends into the body of the material. A plurality of connectors corresponding to the number of supports beads are also provided. Each of the connectors comprises a single piece of metal having a proximal end, a distal end and a central body interconnecting both ends. The proximal end of each connector includes an embossment which conforms to the curvature of the leads which extend through a stem assembly of the tube. The distal end of each connector includes an arcuate termination that makes a line contact with a terminal of an electrostatic yoke formed on an interior surface of an envelope of the tube. The central body of each connector includes a flat support portion adjacent to the proximal end and a reverse-bend portion disposed between the flat support portion and the distal end. A protrusion extends from the flat support portion of each connector. The protrusions project into the recesses formed in the support beads to secure and longitudinally position the gun. The reverse-bend portions of the connectors provide an inwardly-directed spring force to radially position the electron gun on the longitudinal axis of the envelope.
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Kaiser Donald B.
Miller Louis D.
Coughlin Jr. Vincent J.
Irlbeck Dennis H.
Moore David K.
RCA Corporation
Whitacre Eugene M.
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