Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-4,004,093 Truncated Schmidt optical systems for projecting color television pictures
A plurality of Schmidt optical systems is clustered together by truncating mutually adjacent edges of mirrors and correcting lenses which comprise individual...
US-4,004,092 Color television picture tubes with improved implosion protection system
This disclosure depicts a novel edgebond system for implosion protecting a color television picture tube having a flangeless faceplate and a mating funnel. The...
US-4,004,091 Bidirectional line driver
A bidirectional line driver circuit for transmitting logic signals on a highly capacitive, or low impedance transmission line makes use of a tandem connection of...
US-4,004,090 Bit synchronization circuit
A bit synchronization circuit which comprises a pulse generator for producing a pulse corresponding to a data signal received; a clock pulse oscillator for...
US-4,004,089 Programmable cryptic device for enciphering and deciphering data
An encrypter for encoding and decoding data, wherein clear text data to be encoded is logically combined with a portion of a non-linear pseudo-random bit...
US-4,004,088 System for the formulation and transmission of coordinate information to reproduce handwritten items
A device for the transmission of information pertaining to handwriting with a piece of equipment which records the x and y-coordinates of the location of the...
US-4,004,087 Panning pyroelectric vidicon system
A pyroelectric vidicon system that converts a still infrared image into tmal and a consequent visible image that is free of flicker or image motion. The...
US-4,004,086 Apparatus for the television reconnoitering of terrain from the air
An apparatus for reconnoitering terrain from a moving aircraft is provided. The apparatus comprises a mirror arrangement perpendicular to the object plane of the...
US-4,004,085 Receiving program-presetting system for a television receiver
A television receiving program-presetting system comprises means for storing receiving program information in a specified address of a memory; a circuit for...
US-4,004,084 Video conferencing system using spatial reduction and temporal resolution
Video conferencing, wherein the outputs of a plurality of television cameras at one location are transmitted to a second location so that parties at the first...
US-4,004,083 Method and apparatus for determining centroid coordinates and angular orientation of a surface
Apparatus for determining the centroid of an area by scanning the area with a television scanner in a rectangular scan, summating voltages derived from the scan...
US-4,004,082 Method and system for multiplexing signal for transmission
A signal multiplexing method and system for transmitting a television signal by a narrow-band transmission medium incapable of transmitting d.c. components. In...
US-4,004,081 Optical videodisc pickup arm with moving coil drive means
The arm carrying the optical head that projects and focuses a light beam onto a record trace on a video disc record is provided with a tracking movement by...
US-4,004,080 Metal coating for video discs
An improved metal coating for a video disc of a grooved polymer disc, a conductive metal coating thereon and a dielectric coating on said metal coating, wherein...
US-4,004,079 Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials
A method and apparatus are disclosed for producing photographic reproductions of line and continuous tone graphic materials. The invention is useful in the...
US-4,004,078 Optical communication and display system
The light wave energy of a scanning, intensity-modulated light beam used to provide an optical display or recording of a given scene at a receiving station is...
US-4,004,077 Water blocked electric cables
An electric cable having a multi-stranded core and a jacket, in which the voids between and around the core are at least partially filled with a mixture of a...
US-4,004,076 Nonconsumable electrode for melting metals and alloys
Nonconsumable electrode for melting metals and alloys, comprising a housing with a hollow fluid-cooled tip. On one of the tip's side-walls, on the side of the...
US-4,004,075 Packaging films
A process, and the product thereof, is provided for the manufacture of an interpolymer having a high resistance to chemical attack and a low gas and water vapour...
US-4,004,074 Highly substantive sunscreening agents
Sunscreening agents having improved adhesion to human skin comprising a polymeric material having a sunscreening group, e.g., a salicylate, aminobenzoate or a...
US-4,004,073 Polymeric fluoromethylated dienes
Polymers and copolymers of ##STR1## are disclosed, wherein X and X.sup.1 are halogen.
US-4,004,072 Process for producing acrylonitrile polymers
Acrylonitrile polymers of improved whiteness and thermal stability are provided by polymerizing acrylonitrile alone or with a comonomer in an aqueous medium, in...
US-4,004,071 Process for the polymerization of ethylene
Polyethylene or copolymers of ethylene with another .alpha.-olefin can be produced by the use of a novel polymerization catalyst obtained by using, in...
US-4,004,070 Viscosity reduction of organopolylithium-initiated polymer solutions
The viscosity of organopolylithium-initiated polymer solutions is reduced by introducing into the polymerization reaction after the polymerization reaction is at...
US-4,004,069 Unsaturated ethylene-vinyl acetate copolymers and unsaturated polyethylenes and methods of preparing same by...
A method of deacetylation of ethylene-vinyl acetate copolymers to produce the corresponding olefinicaly unsaturated, linear polymers. The ethylene-vinyl acetate...
US-4,004,068 Electrochemical cell of a rechargeable nature
A rechargeable electrochemical cell is disclosed which includes both a cathode and a gas generating and consuming anode housed within a closed container. A...
US-4,004,067 Rechargeable electrochemical cell
A rechargeable electrochemical cell is disclosed which includes both a cathode and a gas generating and consuming anode housed within a closed container. A...
US-4,004,066 Method of protecting concrete
Concrete is protected from attack by organic lubricants by treating it with an aqueous solution of citric acid.
US-4,004,065 Coated heat sensitive recording member
A heat sensitive recording member is composed of a support and a heat sensitive layer overlying the support. The heat sensitive layer contains an iron salt of a...
US-4,004,064 Protective coating for articles
A protective coating for articles, and particularly titanium, is disclosed. The coating material comprises a combination of a metal halide and a ...
US-4,004,063 Aqueous enamel for coating magnet wire
A magnet wire enamel composition for application to magnet wire in a wire tower comprises an aqueous solution of: A. a water soluble polyester resin derived as the...
US-4,004,062 Aqueous polyester coating composition
An aqueous coating composition containing in admixture a water soluble polyester, a water soluble orthoamic acid diamine and minor amounts of other water soluble...
US-4,004,061 Adhesives
Making film adhesives from a thermosettable resin composition presents difficulties if the composition is not soluble in a volatile solvent, or not readily...
US-4,004,060 Binding agents
This invention provides certain complex molecules which possess excellent solubility in water and excellent reactivity making them useful in the manufacture of...
US-4,004,059 Method to make fibrous material oil and water repellent at the same time
While good oil-repellency can be imparted to fibre materials by treating them with polymers containing perfluoralkyl groups, it is difficult to impart...
US-4,004,058 Re-encoding label
A label is disclosed having pressure-sensitive adhesive thereon for application to the clear band of a document to be processed through a sorter/reader. The...
US-4,004,057 Gold conductor compositions
This invention relates to dispersions of gold and a certain inorganic binder in an inert liquid vehicle, useful in the electronics art for producing conductor...
US-4,004,056 Porous laminated sheet
A porous laminated sheet adapted to be cooled by air flowing through the sheet from a rear face to a front face and to discharge the air through outlets in the...
US-4,004,055 Inhibiting stress cracking
A method of inhibiting stress cracking of stainless steel exposed to a chloride-ion containing fluid environment which comprises coating the surface of the...
US-4,004,054 Mixture for the manufacture of antistatic floor coverings and coatings
A mixture containing a cold-curing liquid synthetic resin combination, an anti-sedimentation agent and aluminium grit is used for the manufacture of anti-static...
US-4,004,053 Stabilization of acrylic fibers and films
An improved process for the thermal stabilization of an acrylic fibrous material or film is provided. The fibrous precursor or film is impregnated with an...
US-4,004,052 Process for producing non-porous coating for corundum substrates
A process for producing a non-porous coating for corundum substrates with a corundum content of 90 to 100% the process comprises applying a barium, calcium or...
US-4,004,051 Aqueous noble metal suspensions for one stage activation of nonconductors for electroless plating
An aqueous noble metal suspension capable of one stage activation of the surface of a nonconductor for electroless plating is provided by reducing a noble metal...
US-4,004,050 Two-part primer system for FRP bonding
An improved adhesion between polyester compositions per se or metals using the isocyanate-type adhesive is obtained by first treating the surface of the...
US-4,004,049 Sprayable latex adhesive systems providing raised spaced deposits of adhesive and laminates prepared therefrom
Laminates are formed by providing a pressure sensitive adhesive latex characterized by a Hamilton Beach grit value of 0.03 to 3.0 and an average particle size of...
US-4,004,048 Rapid fixation of agents on flexible substrates
Non-aqueous process for improving a functional property of flexible, natural and synthetic, organic polymeric substrates, such as textiles, film and paper, for...
US-4,004,047 Diffusion coating method
Complete coating or localized repair and replacement of a diffusion aluminide coating applied to the surface of an article is attained through use of a powdered...
US-4,004,046 Method of fabricating thin monocrystalline semiconductive layer on an insulating substrate
An extremely thin monocrystalline semiconductive layer over an electrical insulator is disclosed, as well as its method of fabrication. The semiconductive layer...
US-4,004,045 Method for fluid film application
Apparatus and method for depositing a uniformly micro-thin layer of fluid on the face of a panel or substrate by moving the panel face down in oppositely moving...
US-4,004,044 Method for forming patterned films utilizing a transparent lift-off mask
A lift-off method for use in depositing thin films in the fabrication of integrated circuits which avoids edge tearing of the films. The method involves...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | Next →