Abstract: A synchrotron having at least two sets of super-conducting coils, each arranged for deflecting charged particles in a curved path. The sets of superconducting coils are spaced to provide at least one straight portion of the path for the particles. A transformer device is located along the straight portion of the path for accelerating the particles to operating energy. At least one coil has its main go and return arms curved to lie substantially parallel to the required curved path and at least one coil has only its main go arm curved to lie substantially parallel to the path.

Abstract: A monochrome cathode ray tube incorporates an electron gun featuring a focusing electrode having an upper cup-shaped portion comprising a top cylindrical sidewall portion and a lower inwardly tapering sidewall portion connecting to a flat bottom portion, the cup-shaped portion supported by an elongated cylindrical base portion having a diameter of from about 44 to 48 percent of the diameter of the upper cylindrical portion of the cup. The electron gun is particularly suitable for use in monochrome cathode ray tubes for projection color television.

Abstract: A glow discharge lamp that includes a light transmitting envelope containing a noble gas fill material and a pair of electrodes disposed in the envelope. Lead-in wires couple to the electrodes and extend to and are hermetically sealed in the envelope. The anode electrodes is comprised of a refractory metal piece, preferably a molybdenum foil strip, supported from an end of a single lead-in wire that is preferably swagged to the metal strip.

Abstract: A streak tube comprising a photocathode for converting an optical image into a photoelectron beam, accelerating means for accelerating the photoelectron beam, deflecting means for deflecting the accelerated photoelectron means, focusing means for focusing the deflected photoelectron beam and a phosphor screen for receiving the focused photoelectron beam and forming a streak image corresponding to the optical image. The photoelectron beam emitted from the photocathode is deflected immediately after accelerated by the accelerating means, and subsequently is focused on the phosphor screen, to thereby eliminate the spread of the photoelectron beam on the phosphor screen upon sweeping of the photoelectron beam.

Abstract: A reference and support system for a flat CRT tension shadow mask is disclosed which includes a support frame which is frit sealed or shink fitted onto a peripheral surface surrounding a target area of a flat panel. An upper edge of the support frame is finished so as to provide the desired Q-spacing between the target area and the top of the support frame. Alignment holes are drilled in the sidewalls of the support frame at a given distance from the upper edge to form a reference plane relative thereto. A temporary fixture has a tensioned mask initially secured thereto and is provided with a plurality of pins extending through sidewalls thereof at a given distance from an upper reference surface such that the pins engage the holes in the support frame and precisely position the shadow mask in the plane of the top edge of the support surface.

Abstract: In a flat-shaped display apparatus has a face plate, a rear plate, side plates, and necessary electrodes therein, a supporting plate and plural supporting rods which are connected to an edge of the supporting plate at intervals of a certain distance are provided between the face plate and the rear plate. The supporting rods are made of metal and all bonded parts are covered by guide plates so that no adhesive is exposed to the electron beams. Therefore, over-scanning of the electron beams can be made, without the electron beams impinging on the adhesive thereby enabling effective distortion compensation.

Abstract: An apparatus and method, using a computer, for the efficient generation of a wiring map of the connectivity between two sets of terminals at different locations which have established communication links between respective terminals at the two locations. A single at a first location uniquely identifies each of the terminals, by code, frequency, sequence of connection or the like, and is transmitted to a respective terminal at the second location via a respective communication link. The terminals at the second location are sampled and the presence of the transmitted signal correlated to the identity of the first terminal. The correlation may be direct, as by unique terminal identifier, or by a comparison of data bases stored by computers. The computer-based correlation is used to generate a map of the limited terminals.

Abstract: A thermionic hairpin cathode with a long operating life is made of a high melting metal wire, in which the temperature distribution along the legs is influenced either by locally increasing the radiation at a distance of 10 to 50% of the leg length from the crown or by decreasing the radiation in the immediate vicinity of the crown without changing the wire legs, possibly also by combining both measures, so that by increasing the temperature gradient in the crown region the maximum temperature is shifted close to or at the emission center.

Abstract: A keyboard for data entry or control purposes includes a plurality of sets of two or more keys arranged for receving the tips of the finger of a hand of an operator, the keys of each set have such a small superfical touch area and are clustered together so as to be substantially comprehended and selectively operated by a single finger tip of an operator. Additional keys having their superficial touch area spaced from but sufficiently close to the superficial touch area of a set of the sets may be provided to be conveniently operable by a finger tip of user operating the keys of the adjacent set. In a preferred embodiment of the invention, the superficial touch area of each key takes the form of a roller and each set of keys is made up of two keys. In some embodiments, the relative spacing between sets of keys or between keys may be adjustable.

Abstract: The electric lamp has a getter capable of binding hydrogen, oxygen and stoichiometrically water at a comparatively low temperature. The getter comprises Pd as a first metal, chemically bound to a second metal from the group Zr and Y, the mol. % of the first metal in the getter lying between 0.4 and 15. The getter further comprises chemically bound oxygen, mole 0/mole second metal being 0.02-1.0. The particle size is .ltoreq.40 .mu.m.

Abstract: A color display tube which has a channel plate electron multiplier for multiplying a low voltage, low current electron beam and thereby obtaining an amplified output beam for producing an image on a screen formed of a plurality of different phosphors arranged as dots, each of which is surrounded by at least one ring. In order to form the output beam into well defined dots and rings to obtain good color purity, the source-to-screen distance of the output beam is varied in a predetermined manner. A means for doing this comprises additional electrodes mounted on the output side of the electron multiplier.

Abstract: A regulator circuit for a high intensity discharge lamp includes a magnetic regulator having three windings, the primary and second thereof being connected to line voltage and a lamp. The tertiary winding is connected to a storage capacitor and to a reactor circuit having an inductive reactor and a semi-conductor switch in series. Lamp voltage and current signals are derived by a control circuit which turns the semi-conductor switch on at specific times in each half cycle of operation. The firing angle of the switch is altered to regulate the lamp operating characteristics despite line voltage changes and operating voltage variations resulting from lamp aging and other factors. The control circuit can also be operated as a lamp dimmer circuit.

Abstract: A faceplate assembly for a color cathode ray tube is disclosed that includes a glass faceplate having on its inner surface a centrally disposed phosphor screen. A foil shadow mask is mounted in tension on a mask-support structure of tightly controlled uniform height located on opposed sides of the screen and secured to the inner surface by a devitrified solder glass. The assembly according to the invention has a plurality of spacing elements of tightly controlled uniform height located between the support structure and the inner surface of the faceplate, and extending through the solder glass to provide intimate contact with the inner surface. The tightly controlled uniform heights of the support structure and the spacing elements provide for tightly controlled uniform spacing between the mask and screen throughout the length of the support structure. A process for manufacturing a faceplate assembly according to the invention is also disclosed.

Abstract: A surface for electrical discharge for incorporation in a gas discharge chamber and designed to produce a uniform distribution of the field strength factor, and an increase in the photon and/or the electron density. This is achieved by employing a microstructure combining at least two materials of different physical properties and having a geometry which increases electron emission.

Abstract: An electron beam apparatus is disclosed which comprises a cylindrical chamber, ion pump exhaust zones arranged in a substantially ring-like array, and an electron gun located on the center axis of the ring-like array, thereby minimizing the distance between the exhaust zone of an ion pump and the electron gun for generating an electron beam. Since the ion pump exhaust zones are located immediately next to the electron gun, it is therefore possible to achieve substantially the same vacuum level at the location of the electron gun as that at the ion pump per se.

Abstract: A linear induction accelerator includes a plurality of adder cavities arranged in a series and provided in a structure which is evacuated so that a vacuum inductance is provided between each adder cavity and the structure. An energy storage system for the adder cavities includes a pulsed current source and a respective plurality of bipolar converting networks connected thereto. The bipolar high-voltage, high-repetition-rate square pulse train sets and resets the cavities.

Abstract: In an electron beam generation apparatus for a flat cathode ray tube, line cathodes are stretched in an arc shaped form and held by plural cathode position defining members. The cathode position defining members are disposed along the line cathode in a forward convex arc which protrudes most at its center and less towards its respective ends. An electron beam take-out electrode is placed at a in front side of the line cathode and a back electrode is placed at a back side of said line cathode, the electron beam take-out electrode and back electrode also being arc shaped.

Abstract: A method is provided for bonding glass channel plates (1,8) together in a stack, with the channels (2) of one plate being at an angle to the channels (9) of an adjacent stack to reduce optical and ion feedback. A layer of indium (4,10) is provided on plate faces to be bonded, bonding being achieved by applying pressure and a temperature between 130.degree. C. and 350.degree. C. A mechanically rigid and electronically stable channel plate electron multiplier is obtained for use in particle or photon counters or in raster intensified cathode ray tubes.

Abstract: An electrode of a color picture tube electron gun with a recess provided on the periphery of an electron beam pass aperture, characterized in that the electrode has a thickness of 0.4 to 1.0 times the diameter of the electron beam pass aperture at the portion at which the recess is to be formed and a thickness of 0.1 to 0.2 times the diameter of the electron beam pass aperture at the recessed portion, and the sheet material for the electrode is subjected to plastic working so that the recess forming surface has a thickness of 25 to 50% the thickness of the sheet material or a projection and/or a groove having a section with steeply inclined side portions is provided on both sides of the recess at least in the direction of the width of the recess approximate to the diameter of the electron beam pass aperture.

Abstract: A color picture tube of this invention has a CRT envelope having a substantially rectangular front panel, a phosphor screen formed on an inner surface of the front panel, a shadow mask which is detachably mounted on the panel adjacent to the phosphor screen by a supporting assembly, and a frame surrounding the shadow mask. The supporting assembly has a plurality of stud pins which project from the four corners of the front panel and leaf springs which are fixed at one end to a corresponding corner of the frame are detachably engaged at the other end with a corresponding stud pin. Each leaf spring has an elastically deformable portion between one end portion fixed to the frame and the other end portion engaged with the corresponding one of the stud pins. Angle .beta., defined by the axis of the elastically deformable portion a central line axis of the CRT envelope, and angle .alpha.