Eric A Swanson, David Huang, James G Fujimoto, Carmen A Puliafito, Charles P Lin, Joel S Schuman: Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample. Massachusetts Institute of Technology, Wolf Greenfield & Sacks, June 14, 1994: US05321501 (787 worldwide citation)

A method and apparatus for performing optical imaging on a sample wherein longitudinal scanning or positioning in the sample is provided by either varying relative optical path lengths for an optical path leading to the sample and to a reference reflector, or by varying an optical characteristic of ...

James D Rogan, Brian K Forbes, Michael G Birdsall: Local-remote apparatus with specialized image storage modules. Unisys Corporation, Alfred W Kozak, Mark T Starr, June 14, 1994: US05321816 (768 worldwide citation)

An apparatus provides a network combining a local site having a host computer and a specialized storage and retrieval module for storing image information which is connected to a remote site having document processing equipment working with remote specialized storage retrieval modules for storage of ...

Brian A Gregg, Adam Heller: Electrode and method for the detection of hydrogen peroxide. E Heller & Company, Pravel Hewitt Kimball & Krieger, June 14, 1994: US05320725 (755 worldwide citation)

An amperometric biosensor and method for the detection of hydrogen peroxide, NADH, or NADPH with high sensitivity includes an electrode having on its testing surface a three-dimensional redox polymer network in which peroxidase is immobilized.

David R Baum: Interactive aircraft training system and method. Hughes Training, Wanda K Denson Low, June 14, 1994: US05320538 (499 worldwide citation)

The system includes a computer (20), a detector (40) for detecting and tracking head orientation and head movement of an individual, a pair of tactile gloves (42, 44) which are donned by the individual (51) for detecting and transmitting to the computer (20) as input data orientation and movements o ...

Joseph S Nadan: Restricted information distribution system apparatus and methods. Market Data Corporation, Davis Hoxie Faithfull & Hapgood, June 14, 1994: US05321750 (375 worldwide citation)

A system for securely providing restricted display information having an encoder-transmitter for transmitting selected update data using information identification codes as enabling reception keys and a plurality of uniquely identified decoder-receivers for receiving the update data for display on a ...

Jeffrey A East, James J Walker, Steven M Jenness, Mark C Ozur, James W Kelly Jr: System for determining the rights of object access for a server process by combining them with the rights of the client process. Digital Equipment Corporation, Flehr Hohbach Test Albritton & Herbert, June 14, 1994: US05321841 (347 worldwide citation)

In a multitasking, multiuser computer system, a server process temporarily impersonates the characteristics of a client process when the client process preforms a remote procedure call on the server process. Each process has an identifier list with a plurality of identifiers that characterize the pr ...

Philip L Craine: System and method for tracking casino promotional funds and apparatus for use therewith. Calculus Microsystems Corporation, Flehr Hohbach Test Albritton & Herbert, June 14, 1994: US05321241 (308 worldwide citation)

A system for tracking casino promotional funds given to a casino patron, comprising a plurality of gaming machines A bank controller is provided for the plurality of gaming machines. A server is connected to the bank controller. A plurality of memory devices are provided. Each memory device has a me ...

Peter M Bonutti, James S Hawkins: Expandable cannula having longitudinal wire and method of use. Peter M Bonutti, Tarolli Sundheim & Covell, June 14, 1994: US05320611 (307 worldwide citation)

Cannulas for surgical and medical use expand along their entire lengths. The cannulas are inserted through tissue when in an unexpanded condition and with a small diameter. The cannulas are then expanded radially outwardly to give a full-size instrument passage. Expansion of the cannulas occurs agai ...

Walter Baumgartner: Intervertebral disk prosthesis. Sulzer Brothers, Townsend and Townsend Khourie and Crew, June 14, 1994: US05320644 (307 worldwide citation)

An intervertebral disk prosthesis is described which with respect to its external dimensions imitates a natural intervertebral disk and connects two adjacent vertebrae to their upper and lower attachment surfaces. The intervertebral disk member is made of one piece from a strong, elastically deforma ...

James J Rudnick: Vascular plug delivery system. Meadox Medicals, Hoffmann & Baron, June 14, 1994: US05320639 (291 worldwide citation)

A vascular plug delivery system for in vivo delivery of a vascular plug to the site of a puncture in a blood vessel. The device utilizes flashback to ensure that the plug is properly positioned adjacent the puncture prior to delivery of such plug, thereby ensuring complete hemostasis of the puncture ...