1
Stephen W Ray: Solid state lamp. Sughrue Rothwell Mion Zinn and Macpeak, July 8, 1980: US04211955 (458 worldwide citation)

An integrated circuit chip containing one or more light-emitting diodes is mounted within a light-diffusing encasement having a standard incandescent light bulb lamp base. The integrated circuit chip also contains a rectifier and voltage regulator circuit. The resulting solid state lamp may then be ...


2
Michel Ugon: Portable data carrier including a microprocessor. Compagnie Internationale pour l Informatique, Kerkam Stowell Kondracki & Clarke, July 8, 1980: US04211919 (198 worldwide citation)

A portable data or information carrier in the form of a card or the like. In order to maximize the confidentiality of information stored in the carrier, and more specifically to limit the amount of information available to a would-be defrauder monitoring data lines connecting the data carrier to ext ...


3
Axel F Brisken, Lowell S Smith: Wear plate for piezoelectric ultrasonic transducer arrays. General Electric Company, Donald R Campbell, James C Davis, Marvin Snyder, July 8, 1980: US04211949 (146 worldwide citation)

A linear transducer array for 90.degree. or other wide angle sector scans is covered by a body contacting wear plate made of a material such as filled silicone rubber or polyurethane epoxy in which the longitudinal sound velocity is equal to or less than that in the body and in which the acoustic im ...


4
Lowell S Smith, Axel F Brisken: Front surface matched piezoelectric ultrasonic transducer array with wide field of view. General Electric Company, Donald R Campbell, James C Davis, Marvin Snyder, July 8, 1980: US04211948 (140 worldwide citation)

An ultrasonic transducer array with high sensitivity, for use in water tanks and with human subjects in steered beam imagers to make wide angle sector scans, has narrow transducer elements and one or more quarter-wavelength impedance matching layers on the front surface of each element. The matching ...


5
Frank P Civardi, Frederic C Loew: Treated fabric structure. Milliken Research Corporation, Earle R Marden, H William Petry, July 8, 1980: US04211806 (130 worldwide citation)

An artificial leather sheet material, comprising a layer of permeable fabric made of interlaced multifiber yarns, the lower face of said fabric having an open nap of fibers teased from said yarns and bonded together, and a continuous layer of polymer material on the upper face of said fabric. The bo ...


6
Nicholas Feldman: Combination of ethylene polymer, polymer having alkyl side chains, and nitrogen containing compound to improve cold flow properties of distillate fuel oils. Exxon Research & Engineering Co, Frank T Johmann, July 8, 1980: US04211534 (122 worldwide citation)

Oil soluble combinations of (A) ethylene polymer or copolymer, (B) a second polymer having alkyl side chains of 6 to 30 carbon atoms, and derived from carboxylic acid esters and/or olefins, and (C) nitrogen compounds, such as amides, amine salts and ammonium salts, of carboxylic acids or anhydrides, ...


7
John T M Wright: Heart valve holder. Hancock Laboratories, Wayne R Eberhardt, July 8, 1980: US04211325 (118 worldwide citation)

A device for retaining a natural tissue heart valve and stent assembly during storage and transportation prior to implantation of the valve. The device consists of an open-ended, cylindrical valve case having an internal support for a valve support ring adapted to grasp the valve stent. A retainer h ...


8
Jean Marie Cloutier: Multipurpose tibial template. July 8, 1980: US04211228 (118 worldwide citation)

A multipurpose template comprising: a Y-shaped element comprising a flat handle integrally extended at one end by two flat, elongated prongs, which elongated prongs are symmetrically arranged with respect to a vertical plane passing through the axis of the Y-shaped element perpendicularly to the gen ...


9
Paul J Rudnick, Alastair M Heaslett: Method and apparatus employing an improved format for recording and reproducing digital audio. Ampex Corporation, Robert G Clay, George B Almeida, July 8, 1980: US04211997 (114 worldwide citation)

An audio signal is sampled, quantized and the values are stored in a specific digital data block/sub-block format on alternate tracks of a recording medium. The block/sub-block format provides an inherent simplification of error correction techniques, and consists of dividing the digital audio data ...


10
Clarence R Tate: Process of microencapsulation and products thereof. Thalatta, Keil & Witherspoon, July 8, 1980: US04211668 (106 worldwide citation)

This invention relates to a process for making microscopic size capsules from an emulsion having an inner oily or hydrophobic phase (material to be encapsulated) and an outer hardenable hydrophilic phase. The process is characterized by the step of contacting said emulsion with a break-up fluid capa ...