Irving J Higgins, Hugh A O Hill, Elliot V Plotkin: Sensor for components of a liquid mixture. Genetics International, December 8, 1987: US04711245 (679 worldwide citation)

This invention relates to equipment and methods for detecting the presence of, measuring the amount of, and/or monitoring the level of, one or more selected components in a liquid mixture, employing an electrode sensing system.

David C Ward, Pennina R Langer, Alexander A Waldrop III: Modified nucleotides and methods of preparing and using same. Yale University, James F Haley Jr, December 8, 1987: US04711955 (520 worldwide citation)

Compounds having the structure: ##STR1## wherein B represents a purine, 7-deazapurine, or pyrimidine moiety covalently bonded to the C.sup.1' -position of the sugar moiety, provided that when B is purine or 7-deazapurine, it is attached at the N.sup.9 -position of the purine or 7-deazapurine and whe ...

Kenneth B Stokes: Body implantable lead. Medtronic, Vidas & Arrett, December 8, 1987: US04711251 (379 worldwide citation)

A body implantable lead for the delivery of stimulation energy to a desired body site including a drug dispenser carried by the lead which retains a drug to be dispensed while allowing a dispensing of that drug at least adjacent the desired body stimulation site. The drug may be one which is intende ...

Hans E P Kohler: Remote control hand apparatus for operating different modules. U S Philips Corporation, Robert T Mayer, Bernard Franzblau, December 8, 1987: US04712105 (338 worldwide citation)

Remote control hand apparatus for operating different modules such as a TV-receiver, teletext decoder, video recorder, VLP player, audio system, audio tuner, compact disc player, audio recorder, etc. This hand apparatus has a plurality of module keys by means of which the user can get access to a sp ...

Preston E Blair, Frank S Preston: TV animation interactively controlled by the viewer. December 8, 1987: US04711543 (329 worldwide citation)

An animation method supersedes the motion picture branching method by, first, enabling rapid and repeated switching of multiple tracks of different camera-originated animation of the same character during continuous action in a scene, and second, by enabling branching at the termination of an action ...

Steven F Bierman: Catheterization system. Knobbe Martens Olson & Bear, December 8, 1987: US04711636 (255 worldwide citation)

A catheterization system is comprised of an anchoring pad permitting one-time attachment to a patient, a catheter, and a tubing adaptor. The catheter is mounted on the anchoring pad in order to prevent lateral or longitudinal movement with respect to the patient, thereby preventing injury. The tubin ...

Juris Upatnieks: Compact head-up display. Environmental Research Institute of Michigan, Krass & Young, December 8, 1987: US04711512 (232 worldwide citation)

A compact head-up display comprising a combiner which combines light energy from an outside view with light energy transmitted within the combiner and diffracted out by means of an upper diffraction grating. The head-up display disclosed further comprises an image source, a collimating lens, and a l ...

Klein S Gilhousen, Jerrold A Heller, Michael Van Harding, Robert D Blakeney II: Selective-subscription descrambling. M A COM Government Systems, Cable Home Communication, Edward W Callan, December 8, 1987: US04712238 (230 worldwide citation)

A system in a subscriber television network for enabling descrambling of a received scrambled signal on a prepaid basis and/or an impulse-purchase basis. A received mask signal uniquely related to the scrambled signal is compared with a received authorization signal indicating whether the subscriber ...

William Frezza, Robert Simons, Richard Westerfer: Security arrangement for downloadable cable television converters. General Instrument Corporation, Barry R Lipsitz Esq, December 8, 1987: US04712239 (167 worldwide citation)

A method and apparatus prevent unauthorized programming viewing via a downloadable cable television converter. A booter checksum is computed from data contained in a downloaded booter image. A valid checksum is extracted from tag data associated with a scrambled program signal transmitted on the cab ...

Thomas B Harvey III: Hydrophilic siloxane monomers and dimers for contact lens materials, and contact lenses fabricated therefrom. Sola U, Charles E Cates, David A Lowin, December 8, 1987: US04711943 (144 worldwide citation)

A monomer for making a contact lens with improved oxygen permeability and stability is disclosed as having a first portion for increasing wettability and a second portion for increasing oxygen permeability. The first portion includes a side-chain functionality of the structural formula: ##STR1## and ...

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