Robert S Block, John M Lull: Method and system for remote reporting, particularly for pay television billing. Telease, Burns Doane Swecker & Mathis, November 20, 1984: US04484217 (303 worldwide citation)

A method and system for providing subscription services, particularly subscription television services, involving transmissions from a remote location to a subscriber location for which payment is required for access. A cost signal containing a cost or charge associated with the transmissions is tra ...

Peter Boland, John Coyne, Irving Gimple: Video distribution control system. The Manitoba Telephone System, Stanley G Ade, November 20, 1984: US04484218 (209 worldwide citation)

A subscriber distribution terminal is connected to the transmission medium for serving a group of subscribers. Within the distribution control terminal is located a plurality of television converters. A local oscillator in each of the converters is controlled by a microprocessor, which establishes t ...

Leonard R Kasday: Touch position sensitive surface. AT&T Bell Laboratories, David H Tannenbaum, November 20, 1984: US04484179 (191 worldwide citation)

A touch sensitive device is arranged with substantially parallel surfaces which are at least partially transparent to light. A flexible membrane is supported above the top surface of the screen and when the overlay is flexed into contact with the screen, light which had passed through the screen, is ...

Stirling A Colgate: Method of deep drilling. Brumbaugh Graves Donohue & Raymond, November 20, 1984: US04483399 (191 worldwide citation)

Deep drilling is facilitated by the following steps practiced separately or in any combination:

Nobuhiko Tsuji, Keijiroh Nakamura, Koichi Endoh, Toshiyoshi Hamada, Keiichi Ishida: System for controlling a printer in a blood sugar analyzer. Fuji Electric Company, Brumbaugh Graves Donohue & Raymond, November 20, 1984: US04483924 (189 worldwide citation)

A blood sugar analyzer has a reaction cell which houses a fixed enzyme membrane and measuring electrode and which receives a blood specimen, to cause a chemical reaction between the specimen and membrane for measuring the blood sugar concentration in the specimen on the basis of the reaction current ...

Milovan Nikolich: Combustion gas-powered fastener driving tool. Signode Corporation, Dressler Goldsmith Shore Sutker & Milnamow, November 20, 1984: US04483474 (179 worldwide citation)

An efficient, portable, easy to operate fastener applying tool is disclosed that is powered by the gases produced from the internal combustion of a fuel and air mixture. The tool uses an internally contained supply of liquified gas stored under pressure in a cylinder. Air is drawn in from outside th ...

William M Murray: External fixation device. Thomas Hooker, November 20, 1984: US04483334 (178 worldwide citation)

An external fixation device for holding bone segments in known relation to each other includes a pair of bone clamp assemblies each secured to bone pins extending from the bone segments, a bridge extending between the pin clamp assemblies and a specialized high friction universal assembly connecting ...

Lin nan Lee, Russell J Fang: Security system for SSTV encryption. Communications Satellite Corporation, Sughrue Mion Zinn Macpeak & Seas, November 20, 1984: US04484027 (169 worldwide citation)

In a secure communications system, a key number which is changed periodically, e.g. monthly, and a random number from a random number generator are combined and used as a seed to reset a PN sequence generator, with the output of the generator being used to control encryption of transmission data in ...

Felix Rudolf: Accelerometer. Centre Electronique Horloger, Parkhurst & Oliff, November 20, 1984: US04483194 (168 worldwide citation)

Integrated accelerometers comprising a flap (2) fixed to a carrier (1) by two attachment means (3) which are disposed symmetrically and in line with one side of the flap. An electrode (5) deposited on a plate (4) permits acceleration to be measured by measuring the corresponding variation in capacit ...

Eleonora M Witteles: Therapeutic hypothermia instrument. Atlantic Richfield Company, Nilsson Robbins Dalgarn Berliner Carson & Wurst, November 20, 1984: US04483341 (165 worldwide citation)

An implantable hypothermia instrument for the in-situ treatment of oncological disorders includes a cylindrical casing terminating at a first end in a concave tumor-abutting portion of a thermoconductive material which is thermally adjacent the cold junction of a cascaded three-component solid state ...

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