1
Larry J Hornbeck: Deformable mirror light modulator. Texas Instruments Incorporated, Robert Groover, Melvin Sharp, James T Comfort, April 10, 1984: US04441791 (617 worldwide citation)

A light modulator comprising a light-reflective metallized membrane defining a deformable mirror disposed over a semiconductor substrate of one conductivity type in which a matrix array of field effect address transistors are formed, the metallized membrane cooperating with a matrix of floating meta ...


2
Kobayashi Toshiyuki: Bloc-electrode pour le chauffage des gisements dhydrocarbures, Electrode unit for electrically heating underground hydrocarbon deposits. Mitsubishi Denki Kabushiki Kaisha, RICHES MCKENZIE & HERBERT, April 10, 1984: CA1165361 (212 worldwide citation)

14-25811M/KH/81 ABSTRACT OF THE DISCLOSUREAn electrode unit for electrically heating undergoundhydrocarbon deposits having a main conduit pipe assembly, acylindrical water pipe and an electrical conductor arranged co-axially with the electrical conductor disposed between the waterpipe and the main c ...


3
Robert L Kaster: Vascular graft. Henderson & Sturm, April 10, 1984: US04441215 (208 worldwide citation)

Vascular graft of synthetic material including a tubular member having a braided inner layer and a compliant outer covering layer where the braided layer includes a plurality of interwoven groups of filaments. The filaments can be constructed either of metal or of plastic. The compliant outer coveri ...


4
Robert H E Childs Jr, Jack L Klebanoff, Frederick J Pollack: Microprocessor memory management and protection mechanism. Intel Corporation, Owen L Lamb, April 10, 1984: US04442484 (177 worldwide citation)

A memory management and protection mechanism in which access to protected entitites is controlled. The protected entities are represented by descriptors. Each protected entity is accessed via a selector which comprises an index integer assigned to the descriptor at the time of its creation. Tasks ar ...


5
Bruce B Roesner: Electrically programmable read-only memory stacked above a semiconductor substrate. Burroughs Corporation, Charles J Fassbender, Kevin R Peterson, April 10, 1984: US04442507 (174 worldwide citation)

In the disclosed memory, address decode means are integrated into a surface of a substrate, for addressing cells in the memory; an insulating layer covers the address decode means and the substrate; an array of spaced-apart memory cell select lines lie on the insulating layer; and outputs from the a ...


6
Robert T Mayer: Protected programmable apparatus. U S Philips Corporation, Robert T Mayer, April 10, 1984: US04442486 (168 worldwide citation)

Apparatus that discourages the use of computer equipment with software that is not approved for such use by the manufacturer of the computer equipment. This apparatus requires software to generate display producing signals but to produce them for a short enough period of time to be imperceptible. Th ...


7
Joel R Finkel, William E Freudenthal, John G Stoides: Methods of and apparatus for sensing the denomination of paper currency. GTE Laboratories Incorporated, Fred Fisher, April 10, 1984: US04442541 (161 worldwide citation)

United States paper currency can be denomination sensed by a system for scanning a predetermined path along one surface and comparing the resultant scan against a standard for a particular denomination. Subsequently, it is determined whether the scanned currency is of a particular denomination or is ...


8
Neal F Nordling: Planar receiver antenna coil for programmable electromedical pulse generator. Cardio Pace Medical, Cardio Pace Medical, Kinney & Lange, April 10, 1984: US04441498 (155 worldwide citation)

An implantable programmable pulse generator provides electrical stimulation signals to the heart of a patient. The operating parameters of the pulse generator, such as stimulation rate, refractory period duration, and operating mode are programmable by a physician after the pulse generator has been ...


9
Franklin T Paudler: Universal suture passer. Seed and Berry, April 10, 1984: US04441497 (149 worldwide citation)

A surgical tool for passing sutures during surgery comprises a plurality of elongated flexible members which are aligned longitudinally and joined at their corresponding ends. The members may be flexed outwardly to allow easy insertion of a suture therebetween. Sutures are pulled toward a joined end ...


10
Marian I Ionescu, Jay A Lenker, Robert F Rosenbluth: Tissue heart valve and stent. Shiley, Knobbe Martens Olson & Bear, April 10, 1984: US04441216 (139 worldwide citation)

An improved stent for prosthetic tissue heart valves having upright legs which have radiused upper tips which are approximately one-half the width of prior art stent legs is disclosed. These narrow tipped stent legs reduce stress induced in the leaflets by curvature of the leaflets around the tips o ...



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