Abstract: The invention provides an improvement in the means for supporting a container of effusive material located on the terminal end of an antenna-type positioning member for use in a cathode ray tube. The supporting structure is comprised of a rotatable member accommodated on axle means affixed to the positioning member at a region rearward from the forward edge of the material container. An augmentive fender-like protective component is associated with the rotatable member to shield that member from effusive material and to prevent any accumulated electric charge thereon from interfering with the scanning of the electron beam in the tube.

Abstract: An improvement is provided in a cathode ray tube plural beam in-line electron gun assembly having applied beam currents of differing levels. At least one of the gun structures in the assembly incorporates discrete electrode modifications or differentiations whereby the respective focusing lens is dimensionally changed to effect a focused beam landing at the screen that is of a size similar to those of the beams emanating from the related guns in the assembly.

Abstract: An electrical connective improvement is provided for a multiple-element electron gun assembly in an electron tube. The improvement relates to an isolated electrical conductor extending within the envelope from one of the elements of the electron gun assembly to the closure portion of the tube, whereat the conductor is shaped to project into and be encompassed by the exhaust tubulation wherein a portion of the conductor is sealed. Removal of the exterior portion of the tubulation beyond the seal provides an electrical connection extending exteriorly thereof.

Abstract: A terminal connector having a strip carrying pressure fitted terminals is shown. Openings or notches between the lands carrying the pressure fitted terminals relieve stresses in the strip to reduce longitudinal extension and bowing of the strip.

Abstract: In an optical scanning exposure system for manufacturing cathode ray tubes having a faceplate with an inner surface layer of photosensitive material and an adjacent apertured mask wherein the exposure system includes a light source providing a light beam, an angle of incidence deflector means for deflecting the light beam at an angle related to the angle of incidence of an electron beam, means for imaging the light beam, and a means for scanning the light beam in a predetermined fashion over the apertured mask to expose the photosensitive material, a control system having a means for storing information representative of the angle of incidence of a light beam and the rate of scanning of a light beam between a matrix of positional locations on the faceplate, a scan rate means for controlling the rate of horizontal and vertical light beam scanning, an encoder means providing light beam positional information to the storage means, and an angle of incidence control means for activating the angle of incidence defl

Abstract: In an optical scanning exposure system for manufacturing cathode ray tubes having a faceplate with an inner surface layer of photosensitive material and an adjacent apertured mask wherein the exposure system includes a light source providing a light beam, an angle of incidence deflector means for deflecting the light beam at an angle related to the angle of incidence of an electron beam, means for imaging the light beam, and a means for scanning the light beam in a predetermined fashion over the apertured mask to expose the photosensitive material, a control system having a means for storing information representative of the angle of incidence of a light beam and the rate of scanning of a light beam between a matrix of positional locations on the faceplate, a scan rate means for controlling the rate of horizontal and vertical light beam scanning, an encoder means providing light beam positional information to the storage means, and an angle of incidence control means for activating the angle of incidence defl

Abstract: In an optical scanning exposure system for manufacturing cathode ray tubes having a faceplate with an inner surface layer of photosensitive material and an adjacent apertured mask wherein the exposure system includes a light source providing a light beam, an angle of incidence deflector means for deflecting the light beam at an angle related to the angle of incidence of an electron beam, means for imaging the light beam, and a means for scanning the light beam in a predetermined fashion over the apertured mask to expose the photosensitive material, a control system having a means for storing information representative of the angle of incidence of a light beam and the rate of scanning of a light beam between a matrix of positional locations on the faceplate, a scan rate means for controlling the rate of horizontal and vertical light beam scanning, an encoder means providing light beam positional information to the storage means, and an angle of incidence control means for activating the angle of incidence defl

Abstract: A fleshtone and tint correction detector DC coupled to at least two of the first, second, and third demodulator stages of a color television receiver provides a control signal in response to a shift in differential potential output from the demodulator stages to effect a shift in phase angle of reference signals applied in the demodulators whereby fleshtone and other color errors are reduced with a minimum deleterious effect on other colors.

Abstract: A fail-safe ground fault receptacle circuit includes a ground fault circuit interrupter inductively coupled to a load, directly coupled to one potential source terminal, and coupled by way of a series connected solenoid winding and contacts of a circuit breaker shunted by a series connected impedance and indicating lamp to another potential source terminal whereby manually closing the circuit breaker causes current flow through the solenoid winding shunting the indicator lamp and preventing activation thereof and excessive current flow through the solenoid winding opens the circuit breaker to cause current flow through and activation of the indicating lamp.

Abstract: Electrical connective means are provided for effecting the external connections to a multi-element electron tube having a closure portion wherein the sealed exhaust tubulation has a conductive lead extending therefrom. The connective means includes a base member having a projecting hollow-stack portion which is formed to protectively encompass the sealed tubulation. Additionally, the hollow-stack has a metallic contact recessed therein, ahead of the seal, to which the protruding seal-related lead is affixed. A central recess is formed in a mating socket member to match the projecting stack of the base member. The stack is telescopically positioned within the recess to enable a receptor contact located therein to make seated abutment with the metallic contact in the base.

Abstract: The invention relates to an improved one-piece electrode member for use in an in-line multi-beam cathode ray tube electron gun assembly. The improved electrode has a plurality of spaced apart in-line apertures individually oriented in cup-like depressions which are collectively encompassed by a configurated continuous rim forming a cup encompassing unitized portion within the member. Formed contiguously with each side of the unit is a substantially longitudinal rib embossment having at least one complementary rib projecting therefrom in an angular manner to extend through supporting projections of the electrode. The discretely located conjunctive embossing configurations of the member provide marked strengthening to the in-line structure.

Abstract: In an optical scanning exposure system for manufacturing cathode ray tubes having a faceplate with an inner surface layer of photosensitive material and an adjacent apertured mask wherein the exposure system includes a light source providing a light beam, an angle of incidence deflector means for deflecting the light beam at an angle related to the angle of incidence of an electron beam, means for imaging the light beam, and a means for scanning the light beam in a predetermined fashion over the apertured mask to expose the photosensitive material, a control system having a means for storing information representative of the angle of incidence of a light beam and the rate of scanning of a light beam between a matrix of positional locations on the faceplate, a scan rate means for controlling the rate of horizontal and vertical light beam scanning, an encoder means providing light beam positional information to the storage means, and an angle of incidence control means for activating the angle of incidence defl

Abstract: An improvement is provided in a cathode ray tube screen exposure device wherein both the intensity and the shaping of the exposure radiation is improved by employing two conjunctive sources of radiant energy. The alpha source is positioned in a substantially superjacent manner relative to a related beta source on a substantially common optical axis. Each source is separately adjustable in a limited arcual manner, during operation of the device, to achieve optimized light output in the form of a conjunctive source of radiant energy of optimized shaping.

Abstract: The invention relates to an improved planar electrode member for use in an in-line multi-beam cathode ray tube electron gun assembly. The improved electrode is a substantially planar one-piece member having a plurality of apertures therein. The side portions of the member have longitudinal strengthening bends formed therealong in conjunction with a plurality of rib embossments spatially formed as traversals crossing the member to join the side oriented bends thereby providing improved strengthening to the structure.

Abstract: A metal body, for example, a cover for hermetically sealed electrochemical cells, is relatively flexible and electrically conductive. An aperture is provided within the body to receive an electrically insulating material, such as glass, which mounts a terminal or metal lead, for the cell. In the process for producing the seal, the body is positioned with the lead therein and a sealing glass is placed thereabout. The assembly is fired at a temperature high enough to achieve melting of said sealing glass and effecting a between the body, lead and glass to form a glass-to-metal seal. At least one surface of the lead is then ground to be flush with the glass and then the assembly is refired to heal cracks formed in the glass by the grinding operation.

Abstract: Apparatus comprising a conveyor adapted to move a plurality of test receptacles along a given path. Spaced along the path are means for adding a test fluid to the receptacles; first means for checking a desired parameter of the test fluid; means for inserting a cell; second means for checking the fluid for changes after a sufficient digestion period; means for comparing the two readings; and means for removing the cell. Additional means can also be provided for emptying the test fluid and rinsing the receptacles.

Abstract: A fluorescent lamp ballast circuit includes a tuned oscillator coupled to a pulsed DC potential source and to a transformer having a first winding directly connected to the oscillator and in series connection with a capacitor to form a series resonant circuit. A second winding of the transformer inductively couples the first winding of the transformer to the oscillator, a third winding inductively couples a load across the capacitor of the series resonant circuit, and a fourth winding is inductively coupled to the first winding of the transformer and clamps the DC potential source to a given potential level. Also, protection for open circuits, short circuits, and temperature change due to changed ambient conditions or increased current flow is provided.

Abstract: A continuous DC control circuit includes a memory capacitor coupled to a sampling means providing an output signal representative of the charge thereon and to a charge and discharge circuit means connected to a switching means coupled to a potential source and to a control circuit means for selectively altering the operation of the switching means to effect application of different potential levels to cause different rates of charging and discharging of the memory capacitor.

Abstract: In an electro-optical transducer system employing a cathode ray tube having a substantially frusto-conical body terminating at its wide end in a viewable face plate and at its narrow end in a cylindrical neck and having a deflection yoke substantially permanently bonded thereto adjacent the junction of the neck to the body by intermediate mounting means in a manner which inherently provides unwanted stresses upon said yoke, the improvement comprising: yoke stress relief means mounted upon the neck and in contact with the yoke. The yoke stress relief means can be in the form of a circumscribing clamp which is affixed to the neck of the tube and in contact with projecting ears on the rearmost portion of the yoke.

Abstract: A protection circuit for a television receiver which disables the television receiver by disabling the horizontal deflection circuit in response to fault conditions is shown. The protection circuit detects excessive current drain by a low voltage supply, excessive current drain by a high voltage supply, and excessive high voltage. In response to any one of these fault conditions, the horizontal deflection circuit is disabled.