Machines for the implantation of cathodes in cathode-ray tube gu

Details Machines for the implantation of cathodes in cathode-ray tube gu Machines for the implantation of cathodes in cathode-ray tube gu

1989-01-10

1990-02-06

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Apparatus

Testing or adjusting means

445 67, H01J 906

Patent

active

048985597

ABSTRACT:
Disclosed is a machine for the implanting of a cathode in an eyelet of a cathode-ray tube gun. This machine has a gun-supporting device which is movable along the axis of the gun, a cathode-supporting device positioning the cathode along the axis of the gun and a sensor with retractile rod which works together with a first detector, giving the position of the cathode when the rod rests on the grid G1, said sensor being capable of being shifted in a direction perpendicular to the axis of the gun. It further has a gauge rod, with a calibrated length, which rests on the grid G2 and ends at the side opposite to the eyelet, with a second detector recording the position of the gauge rod and a control device determining the shift of the gun-supporting device on the basis of the measurements made by the two detectors.

REFERENCES:
patent: 3584182 (1971-06-01), Volk et al.
patent: 3848301 (1974-11-01), Gruber
patent: 4015315 (1977-04-01), Stone
Patent Abstracts of Japan, vol. 11, No. 73 (E-486) [2520], Mar. 5, 1987.
R.C.A. Technical Notes, No. 1322, Dec. 1982, pp. 1, 2, Princeton, New Jersey, R. E. Schlack et al.
Patent Abstracts of Japan, vol. 2, No. 10 (E-77), Jan. 25, 1978, p. 10299.

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