Louis C Guillou: Text video-transmission system provided with means for controlling access to the information. Etablissement Public de Diffusion dit Telediffusion de France, L Etat Francais represente par le Secretaire d Etat aux Poste et Telecommunications, June 29, 1982: US04337483 (268 worldwide citation)

A text video-transmission system comprising an information emitting center and receiving stations, the emitting center comprising encryption means using an operating key, each receiving station comprising decryption means using the operating key, wherein in this system, the encryption means of the e ...

Lucien Bourassin, Bernard Condat, Jacques Fortin, Alain Leger, Joseph Soto, Jean Claude Solvinto: Dynamic audio-video interconnection system. Syndicat des Constructeurs d Appareils Radio Recepteurs et Televiseurs, Finnegan Henderson Farabow Garrett & Dunner, June 29, 1982: US04337480 (250 worldwide citation)

A dynamic audio-video interconnection system for connecting together at least one television receiver and a plurality of peripheral units in home audio-visual installations. By means of a remote-control keyboard, the user transmits interconnection orders which are processed by a microprocessor in or ...

William G Clark: Human and animal tissue photoradiation system and method. Burleigh Instruments, Martin Lukacher, June 29, 1982: US04336809 (203 worldwide citation)

A tissue photoradiation system uses a hematoporphyrin or hematoporphyrin derivative dye in tissue to be irradiated and arranges a xenon ion laser 10 for simultaneous lasing. Deep blue light is produced at wavelengths of about 406-427 nanometers and red light at a wavelength of about 627 nanometers b ...

Lawrence C Lynnworth: Ultrasonic flowmeters using waveguide antennas. Panametrics, Kenway & Jenney, June 29, 1982: US04336719 (177 worldwide citation)

Waveguide antennas for ultrasonic flowmeters are described in which at least one pair of antennas is used to interrogate a flowing fluid. The waveguides are parallel, each pair defining a plane of interrogation which is parallel or nearly parallel to the flow.

Edward W Petrillo Jr: Phosphinylalkanoyl substituted prolines. E R Squibb & Sons, Lawrence S Levinson, Donald J Barrack, June 29, 1982: US04337201 (149 worldwide citation)

Esters of phosphinylalkanoyl prolines and phosphinylalkanoyl substituted prolines are inhibitors of angiotensin converting enzyme and are useful in the treatment of hypertension.

Donald L Anderson, Isaac R Cherry, John A Ripley, David T Tanaka: Method and apparatus for arrhythmia analysis of ECG recordings. Del Mar Avionics, Beehler Pavitt Siegemund Jagger & Martella, June 29, 1982: US04336810 (132 worldwide citation)

Method and apparatus for arrhythmia analysis of Holter-type ECG recordings including a tape playback unit having an analog signal output of successive ECG complexes or heart beats, a converter for generating data composites representing each complex, a computer for making and storing data templates ...

John P Chambers: Broadcast teletext system. British Broadcasting Corporation, Robert F O Connell, June 29, 1982: US04337485 (113 worldwide citation)

Each broadcast page contains a row such as row 29 which is outside the set of displayed rows. In addition to the standard initial bytes CR (clock run in), FC (framing code) and MRAG (magazine number of 3 bits and row number of 5 bits), there are 4 bytes allocated to a 16-bit cyclic rundancy check co ...

John W Graham, A Richard Sinclair, John L Brandt: Method of treating wells using resin-coated particles. June 29, 1982: US04336842 (111 worldwide citation)

Particles coated with a fusible thermosetting resin are placed in the vicinity of a wellbore and in conjunction with a subterranean formation surrounding the wellbore and are cured in the presence of a treating solution containing a softening agent capable of reducing the fusion temperature of the r ...

Richard D Murphy, Douglas H Clelford: Sensor fault detection by activity monitoring. United Technologies Corporation, M P Williams, June 29, 1982: US04337516 (98 worldwide citation)

Faults in a sensor (10) are detected by excess rate fault determination by taking the differentiated (58, 107), rate limited (60, 100, 111) integral (64, 112) from the raw sensor output (72, 113) and indicating a fault (15, 117) in the event that the difference exceeds a predetermined magnitude (76, ...

Donald R Schwartz, Stuart H Baumgard: Disposable orthopedic overmattress for articulated beds. Romney Golant Martin Disner & Ashen, June 29, 1982: US04336621 (88 worldwide citation)

A continuous thin cushion is provided with stiff backing sections, arranged to align with the sections of an underlying conventional articulated hospital bed. The combination of cushion, backing, and preexisting hospital bed has a desired composite degree of firmness, ideal for orthopedic patients w ...