Patents Assigned to PATH
  • Patent number: 5771900
    Abstract: A contraceptive diaphragm having a rim surrounding a thin membrane, the membrane having a cervical dome extending downwardly from a posterior portion of the membrane. The rim has two curvilinear bands joined together at their respective ends and encased in a coil spring. The shape of the bands creates a rim which curves slightly upwardly at the anterior end of the diaphragm and slightly downwardly at its posterior end. The rim is formed with a curvilinear profile which provides an advantageous fit. A small dome projects upwardly from an anterior portion of the membrane which is grasped by the wearer to remove the diaphragm.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: June 30, 1998
    Assignee: Path
    Inventors: Glenn D. Austin, Theodore J. Colburn, Margaret Z. Kilbourne-Brook, Donald A. Todd
  • Patent number: 5736968
    Abstract: A computer based presentation system allows a presenter to view on a monitor associated with a computer an image prior to its display on a television monitor or projection system to an audience. The system includes a video frame buffer having an input coupled to a video port of the computer for receiving a video signal generated by the computer. The buffer captures and stores in memory a frame carried by the video signal. An output of the video buffer is connected to a video display adapter for continuously converting the stored image frame to a second video signal for transmission to a television monitor for display to an audience. A command to update the video frame buffer is generated by a hand-held remote and transmitted to a serial port of the computer through a photoelectric sensor housed with the video buffer and video display adapter. The computer signals the video buffer through the serial port to update the contents of its memory with the next image frame carried by the video signal.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: April 7, 1998
    Assignee: Mind Path Technologies, Inc.
    Inventor: Alexander L. Tsakiris
  • Patent number: 5695091
    Abstract: A unit suitable for wall mounting contains a supply of disinfectant and a proximity detector that senses an individual's approach. When an approaching individual is detected, the unit issues a visual and/or audible reminder to disinfect. A second proximity detector senses the presence of an individual's hands beneath a disinfectant ejection outlet, and the unit thereupon dispenses a predetermined amount of disinfectant. The invention may display compliance information including a compliance rate based on the ratio of alarms to actual dispensations of disinfectant, and may store historical compliance information for subsequent analysis.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: December 9, 1997
    Assignee: The Path-X Corporation
    Inventors: Thomas R. Winings, Robert Samson
  • Patent number: 5668017
    Abstract: The assay device of this invention provides for very simple assay procedures leading to rapid, sensitive, specific detection of an analyte in a solution. The device is inexpensive and easily manufactured, particularly if automated manufacturing processes are used. The assay device is a test strip having an elongated support sheet of solid non-porous material attached to a similarly shaped sheet of absorbent material. The absorbent sheet has perforations, preferably of circular shape, forming sample receiving wells. Forming the bottom of the sample receiving wells is one surface of the support sheet, and attached to this surface are moieties which specifically bind the analyte (anti-analyte moieties). A liquid sample for assay is placed in the wells, and the liquid is drawn into the absorbent material. As the liquid is absorbed, it flows tangentially across the surface of the support sheet, and across binding moieties specific for the analyte which are attached to the bottom of the wells.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: September 16, 1997
    Assignee: Path
    Inventors: Ian Ellis Buchanan, Milton Richard Tam
  • Patent number: 5563630
    Abstract: The present invention includes a remote mouse controller having a disc controller actuable by a user for the infrared remote signalling of all common mouse functional operations. Depression along the edge of the disc controller signals cursor movement and direction operations. Depression in the center of the disc controller signals selection of certain operational features such as the mouse "click", "double click" and "click-and-drag" operations. A plurality of user actuable fixed function and programmable function keys are also provided to facilitate user selection and input of keyboard type data.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: October 8, 1996
    Assignee: Mind Path Technologies, Inc.
    Inventors: Alex L. Tsakiris, David R. Lawson, Martin H. Phillips
  • Patent number: 5502723
    Abstract: The method of the present invention achieves a desired assignment of the physical cell slots comprising a time division multiplexed frame to embedded channels by ascribing an element address to uniquely identify each of the cell slots of the frame. A logical assignment of the cell slots of the frame is made to the embedded channels to be established between one or more specific data sources and sinks. A transform chosen to produce a particular distribution of assignments is then applied to the set of element addresses to produce a set of cell slot addresses, each of which uniquely identifies each cell slot of the frame by its relative physical position within the frame. Each of the element addresses (used to logically associate a cell slot with a channel to be established) is uniquely linked on a one-to-one basis with one of the set of cell slot addresses (used to identify relative position of a cell slot within the frame) through the predetermined transform.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: March 26, 1996
    Assignee: Circuit Path Network Systems
    Inventor: Ray W. Sanders
  • Patent number: 5222948
    Abstract: An improved injection port (1) for a single-use syringe is described. One embodiment of the injection port has a one-way valve system for making it more difficult to reuse the syringe (2). The one-way valve system has a flap or diaphragm valve (6) housed in a valve chamber (11) at the proximal end of port cylinder (45). When the valve (6) is seated against valve seat (51) on valve cap (5), refilling of the syringe is blocked. During injection, the valve (6) unseats and moves toward radial ribs (7), allowing flow of medicament into the proximal end of a needle (2). Another embodiment of the injection port (1) includes longitudinal grooves (8) on the interior surface of the chamber (12) at the distal end of cylinder (45). The grooves (8) vent pressure from a Luer syringe inserted in the distal end of the cylinder (45).
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: June 29, 1993
    Assignee: Path
    Inventors: Glenn Austin, Carib Nelson, Ronny D. Thomas
  • Patent number: 5204768
    Abstract: An electronic presentation system is presented utilizing a wireless remote for controlling a digital computer, one or more display or storage/playback devices and an audience response system. A Terminate and Stay Resident (TSR) program within the digital computer manages the wireless remote. The digital computer running the TSR program enables the wireless remote to operate any applications program, as well as to use the computer to add spontaneously certain special effects to the presentation and to control an audience response system. In addition, the computer downloads into the wireless remote control, via a wireless communications link, data commands and signalling parameters such as modulation scheme and communications protocol with which to enable the wireless remote to generate the correct signalling to operate predefined display or storage/playback device.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: April 20, 1993
    Assignee: Mind Path Technologies, Inc.
    Inventors: Alexander L. Tsakiris, David L. Lawson
  • Patent number: 5204134
    Abstract: A hypoallergenic milk which has the flavor and smell of natural whole mammalian milk. The hypoallergenic milk is formed by combining a mixture of mineral salts approximately the mineral content of milk, carbohydrate and hypoallergenic protein. Hypoallergenic fat, vitamins and other components are optionally added to meet the minimum daily nutritional requirements for milk. The ingredients are ultrafiltered either separately or in combination as needed to remove allergenic molecules.
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: April 20, 1993
    Assignee: Immuno Path Profile, Inc.
    Inventor: Leonard S. Girsh
  • Patent number: 5000737
    Abstract: A single use syringe including a mechanical means permitting a single withdrawal of the plunger to load the cylinder an a single advance of the plunger to inject the material, thereafter incapacitating the mechanism. The mechanical means may well be retrofit to existing syringes.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: March 19, 1991
    Assignee: Program for Appropriate Technology in Health (PATH)
    Inventors: Michael J. Free, Terence R. Ellard
  • Patent number: 4955871
    Abstract: A single-use disposable syringe. In the syringe, a reservoir is formed of two sheets of thermoplastic material having expanded central portions that form a pair of convex domes. Both of the domes are compressible, and a connecting member spaces apart the domes. In response to complete compression of both of the central portions together, the reservoir substantially collapses and each of the domes becomes concave to prevent the reservoir from being reformed and to prevent reuse of the syringe. After partial compression of both of the central portions together and partial collapse of the reservoir, the central portions expand to reform the reservoir and draw fluid into the reservoir, thereby aspirating a hypodermic needle.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: September 11, 1990
    Assignee: PATH
    Inventor: Ronny D. Thomas
  • Patent number: 4948071
    Abstract: The deployment system includes a pilot chute and a bridle wherein the bridle is secured at one end to the forward portion of a parachute canopy. The bridle extends through a rear portion of the canopy. Prior to deployment, the deployment bag is packed such that the forward and rear portions of the canopy lie closely adjacent one another to fully extend the bridle pilot chute from the main canopy. Upon deployment, relative front-to-back opening forces of the parachute displace the front and rear portions of the parachute away from one another thereby drawing the bridle within the canopy and the pilot chute into a closely snugged location to the canopy.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: August 14, 1990
    Assignee: Glide Path International, Inc.
    Inventor: Clyde M. Summers, III
  • Patent number: 4883473
    Abstract: A single use, single dose injection administering device including a drug or vaccine containing body and a needle wherein the sidewalls have memory causing at least one sidewall to collapse into the other during the administration of the vaccine.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: November 28, 1989
    Assignee: Path
    Inventor: Ronny D. Thomas
  • Patent number: 4095056
    Abstract: A toll restrictor access circuit for use with a plurality of toll restrictors shared by a group of telephone lines is disclosed. The access circuit connects a toll restrictor to a telephone line when a call is initiated so that the number dialed by the caller can be monitored to determine whether the number being dialed is one that is authorized. The toll restrictor controls a polarity reversal relay in the access circuit to disable the telephone dial until a dial tone is detected. If the caller dials a valid number, the toll restrictor energizes a permit relay in the access circuit which allows the call to be completed in the normal manner. The permit relay also de-energizes the polarity reversal relay thereby disabling the telephone dial and releases the toll restrictor so that it may be used by another telephone line. If on the other hand the caller dials a prohibited number, the toll restrictor energizes a restrict relay which disconnects the telephone instrument from the telephone line.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: June 13, 1978
    Assignee: Tele-Path Industries, Inc.
    Inventor: Joel J. Ewen