Erwin R John: Electroencephalographic system for intra-operative open-heart surgery. New York University, Eliot S Gerber, December 10, 1985: US04557270 (108 worldwide citation)

During open-heart surgery an EEG (electroencephalograph) system detects a patient's brain waves, amplifies the brain wave signals and converts them into digital data. The cardiopulmonary bypass pump (heart-lung machine) is connected to blood flow and blood temperature transducers whose measurements, ...

Ilene J Busch Vishniac, W Stewart Lindenberger: Integrated capacitive transducer. AT&T Bell Laboratories, Lester H Birnbaum, December 10, 1985: US04558184 (103 worldwide citation)

Disclosed is an electroacoustic transducer, such as a microphone, which may be integrated into a semiconductor chip and a method of fabrication. The semiconductor is etched to produce a membrane having a sufficiently small thickness and an area so as to vibrate at audio frequencies. Electrodes are p ...

Richard L Garwin, James L Levine: Indicator to data processing interface. International Business Machines Corporation, Alvin J Riddles, December 10, 1985: US04558313 (101 worldwide citation)

An interface and terminal are provided between data processing operations and the movement of an indicator member of stylus. The interface and terminal identifies the coordinates of the position of the stylus by the angles that a light beam reflected from the stylus makes with a reference and uses a ...

Lupu Alexandru, Peter G Odell: Aqueous suspension polymerization process. Xerox Corporation, Peter H Kando, December 10, 1985: US04558108 (97 worldwide citation)

A process for forming a copolymer of styrene and butadiene is disclosed including providing an aqueous phase comprising an aqueous mixture comprising water, styrene monomer, butadiene monomer, a suspension stabilizing agent, and a chain propogating amount of one or more free radical polymerization i ...

Paul Sagues, Peter Sagues: Combined housing and heat sink for electronic engine control system components. Mikuni Kogyo Kabushiki Kaisha, Owen Wickersham & Erickson, December 10, 1985: US04557225 (88 worldwide citation)

A housing assembly for retaining components of an electronic engine control system is disclosed. Components include electrical and sensor elements mounted on printed circuit boards including heat producing elements on a first board and logic, memory and processor elements together with sensors on a ...

Jaime Lopez, Joel D McKinney, Eugene A Pasek: Heavy oil hydroprocessing. Gulf Research & Development Company, Deane E Keith, Forrest D Stine, December 10, 1985: US04557821 (88 worldwide citation)

Heavy or refractory oils are hydroprocessed in the presence of added water and added hydrogen sulfide with or without a slurry catalyst comprising molybdenum sulfide. The water and hydrogen sulfide may originate from the catalyst preparation procedure.

James R Coller, Paul A Coon: Connector with means for retaining terminals and verifying seating. AMP Incorporated, F Brice Faller, Robert W Pitts, December 10, 1985: US04557542 (87 worldwide citation)

Electrical connector comprising housing with two rows of cavities having latch arms which retain terminals received therein and wedge means received in interstices between latch arms of adjacent rows. Wedge means cannot be fully received in interstices unless terminals are fully seated in cavities.

Gary W Ottaviano: Mechanism for producing pad-like cushioning dunnage from sheet material. Ranpak, Baldwin Egan & Fetzer, December 10, 1985: US04557716 (87 worldwide citation)

A mechanism for producing low density pad-like resilient cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support for rotatably mounting a roll of sheet-like stock material in operative condition thereon, and projections on the support adapted for c ...

Bruce Zimring: Calibration and alignment target plate. General Signal Corporation, Barnes & Thornburg, December 10, 1985: US04557599 (86 worldwide citation)

A target plate is provided in the operating field of view of a microscopic operating system having a plurality of target patterns thereon. These target patterns include scaled rulings, to which an operating element of the system is aligned, and reflective portions for calibrating the optical element ...

Richard M Schaefer, James J Tome: Stress-opacifying tamper indicating tape. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, John C Barnes, December 10, 1985: US04557505 (86 worldwide citation)

A tape product which bears a visible message which is changed when the tape is subjected to stress is adapted for use on containers and packages to indicate that the same container or package has been opened or the closure has been tampered with in an attempt to open the same. The message change is ...