Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent
1973-02-14
1976-01-27
Segal, Robert
Electric lamp and discharge devices
Cathode ray tube
Plural beam generating or control
H01j 2902, H01j 2950
Patent
active
039354989
ABSTRACT:
An electron gun assembly of the three gun, in-line type. The three guns each including a plurality of electrode elements are rigidly attached to four support rods or glass beads by a mounting means comprising four metal straps which connect each of the outer gun elements to two support rods and the center gun elements to all four support rods. A first group of four L-shaped metal tabs are imbedded in the ends of the support rods, and two mounting bars are each connected at both ends to two of the tabs for the purpose of making electrical connections to the gun heater elements. A second group of "U"-shaped metal tabs are also imbedded in the ends of the support rods to permit a mechanical connection of a stem component whereby the gun electrode elements are isolated from forces applied to the stem. A convergence assembly is self-registering with respect to the gun assembly by the alignment of precision holes in the base of the convergence assembly with cut-outs provided in a flange on the center gun electrode. A plurality of slots are provided in the wall of the convergence assembly which permit self-registering of pole piece elements positioned inside the assembly.
REFERENCES:
patent: 2170944 (1939-08-01), Glass et al.
patent: 2859378 (1958-11-01), Gundert et al.
patent: 3268753 (1966-08-01), Hughest
GE, Electronics World cover page for March, 1966.
Doggett Frederick F.
Jenne, Jr. Leonard W.
General Electric Company
Segal Robert
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