Patents by Inventor C. Rogers

C. Rogers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5049763
    Abstract: Low noise circuits for single stage and multi-stage circuits reduce power rail noise, including both ground noise and supply noise caused by output power rail ground lead and supply lead inductance. Anti-bounce circuits reduce ground bounce by suppressing turn on of the output stage pulldown transistor element during transient occurrence of ground bounce events. Similarly anti-droop circuits reduce output supply V.sub.cc droop by suppressing turn on of the output stage pulldown transistor element during transient occurrence of V.sub.cc droop events. Anti-undershoot circuits dissipate ground undershoot energy by establishing a transient sacrificial current flow through the parasitic output ground tank circuit following transition from high to low potential at the output and by prolonging the sacrificial current flow during transient occurrence of ground undershoot events.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: September 17, 1991
    Assignee: National Semiconductor Corporation
    Inventor: Alan C. Rogers
  • Patent number: 5032743
    Abstract: A circuit is described for reducing the skew between a pair of signal lines in a digital system. Before the two lines display a change in signal the circuit senses whether the signals are similar or different. If similar, the two lines are clamped together in true fashion. If different, the two lines are clamped together complementarily such that the signals remain mutually inverted.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: July 16, 1991
    Assignee: National Semiconductor Corporation
    Inventor: Alan C. Rogers
  • Patent number: 5031129
    Abstract: A parallel pseudo-random generator emulates a serial pseudo-random generator which in turn is defined by a polynomial of the type 1+x.sup.M + . . . +x.sup.P ; that is, wherein the serial outputs are generated such that the next serial output value is based upon an Exclusive OR combination of at least two preceding serial output values. The parallel pseudo-random generator comprises latches and Exclusive OR gates, the number of latches and Exclusive OR gates each being at least equal to the polynomial order of the serial pseudo-random generator defining polynomial. The outputs of the latches represent the outputs of the parallel pseudo-random generator and may be used to scramble data on parallel data lines. A method is disclosed for determining the interconnects between the latch outputs and the Exclusive OR gate inputs based upon the number of latches and the serial pseudo-random generator defining polynomial.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: July 9, 1991
    Assignee: Alcatel NA Network Systems Corp.
    Inventors: William E. Powell, William B. Weeber, Georges A. C. Roger
  • Patent number: 5028326
    Abstract: Apparatus and process useful in the separation of undesirable organics from various types of compositions including sludge. The apparatus comprises a contactor vessel, a sludge conduit for conveying sludge to the contactor vessel, and a sludge cutter for reducing the sludge conveyed by the conduit to reduced cross-section extrudates for deposition in the contactor vessel. The sludge cutter includes a foraminous member and can operate to roughen the surface of the extrudates to provide increased surface area for contacting with solvent. The sludge cutter is arranged to effect free fall of the reduced cross-section extrudates from the sludge cutter for initiating breakup of the extrudates into reduced length segments. A deflector preferably is positioned in the path of the free-falling extrudates to promote further breakup of the extrudates into relatively short segments or pellets.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: July 2, 1991
    Assignee: The Standard Oil Company
    Inventors: Robert D. Littler, William F. Schuller, Reed S. C. Rogers
  • Patent number: 4991913
    Abstract: A trash bin for a kitchen cabinet door, having a lid which is constantly spring biased to opened position. The lid has a central upwardly projecting plank, outwardly tapering thicknesswise for slidingly engaging the lower edge of the lintel of the cabinet front wall opening, whereby the lid causes opening of the door. By using a conventional push releasable latch on the door, the door and bin lid will automatically open, by simply pushing the outer face of the closed door, e.g. with a foot. Thus, it is not necessary to use a hand either for opening the door or the lid.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: February 12, 1991
    Inventors: Van W. C. Roger, Van W. P. Charles
  • Patent number: 4958683
    Abstract: A method for reducing organic contaminants in a well initially breaks down complex organic compounds by radiation with gamma radiation. The remaining materials are subjected to oxygen radicals in the water, the oxygen radicals reacting with the materials to assist in the degradation. A carrier is formed with a plurality of containers fixed together by struts, and each container has a quantity of radioactive material to provide the radiation. Air, oxygen and or peroxide may be fed to the well to provide enough oxygen to produce the oxygen radicals, or the water may be cavitated to free the oxygen in the water.The apparatus & method may also be adapted with proper shielding for use in surface applications, such as surface water intakes (biofouling by Asiatic clams), general ground water and haz-waste treatment.
    Type: Grant
    Filed: April 11, 1989
    Date of Patent: September 25, 1990
    Inventors: George W. Alford, William C. Rogers
  • Patent number: 4951045
    Abstract: A portable electronic warning device for temporary conditions including a sensor to detect the presence of a pedestrian at a minimum first predetermined position, the sensor connected to circuitry which provides output to a plurality of focusing lights, preferably concentric bands of light, which direct the attention of the pedestrian to a message positioned concentrically within the lights, the device optionally including an audible alarm to simultaneously audibly alert a pedestrian.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: August 21, 1990
    Assignee: Intelligent Safety Technology, Inc.
    Inventors: Floyd H. Knapp, Gregory C. Rogers
  • Patent number: 4915444
    Abstract: A three-way recliner chair in which a linkage system mounts a seat and backrest assembly to a stationary armrest frame for reclining movement between a generally upright or closed position, a TV position and advanced reclining positions beyond TV position. The chair is actuated to TV and reclining positions by pushing rearwardly off the armrests and against the backrest. The seat and backrest assemblies are mounted to front and rear carrier links which, in turn, are mounted by front and rear mounting links to the armrest frame. A sequencer link is pivotally connected between the front carrier link and the armrest frame to prevent relative movement between the seat and backrest when the chair is in the upright position. However, when the chair is moved towards TV position, the sequencer link will allow relative movement between the backrest and the seat.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: April 10, 1990
    Inventor: Walter C. Rogers, Jr.
  • Patent number: 4864535
    Abstract: A multiplexer (76) for coupling selected instruction word bits to a microcode memory (22) as entry point addresses. The multiplexer (76) receives sixteen bits from an instruction word register (10) and, for normal word formats, couples the opcode (40) portion unchanged to the memory (22) as an entry point address. For special instruction word formats, various bits of the instruction word fields form an entry point address, while other bits are modified and coupled to memory (22) as column addresses to access selected memory sections.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: September 5, 1989
    Assignee: Texas Instruments Incorporated
    Inventors: William C. Rogers, William S. Ruszczyk
  • Patent number: 4843853
    Abstract: Apparatus for securely locking the cabinet of a vending machine to prevent unauthorized access to the coin box and/or product being vended. The cabinet comprises a box-like housing having an access door hinged along one edge to a side wall of the cabinet. The opposite side wall from the one carrying the hinge includes a plurality of spaced-apart tubular members either integrally formed with the side wall or welded thereto along a length dimension thereof. Likewise, the edge of the door panel opposite the hinge also has spaced-apart tubular members along its length. The spacing between the tubular members on the cabinet's side panel and the door edge are such that when the door is closed, the tubes are longitudinally aligned with one another. An aperture is formed in the bottom wall in general alignment with the tubular members on the side panel allowing a locking rod to be inserted upwards through the aperture and into the central openings of the aligned tubes utilizing a special tool.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: July 4, 1989
    Assignee: Protocol, Inc.
    Inventors: David L. Bobert, C. Roger Van Horn
  • Patent number: 4765410
    Abstract: A method and apparatus for cleaning a well wherein chemicals are applied to the well screen with steam. The well screen may be first washed with a sterilizing agent, and subsequently a chemical mix is added to the steam. The chemical mix includes a sterilizing agent, an acid, and perhaps a surfactant. The well is capped during treatment so the well becomes pressurized; and, the chemical mix is forced out beyond the well screen. The surfactant aids in penetrating the clog, while the sterilizing agent kills any plant or animal life that is causing or contributing to the clog. Some sterilizing agent may remain to prevent regrowth of life forms that may feed on other chemical components. The well may be surged to assist further in breaking up the mass clogging the well.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: August 23, 1988
    Inventors: William C. Rogers, George W. Alford, III, D. Roy Cullimore
  • Patent number: 4758044
    Abstract: A rocking chair having a fixed base, and a seat frame mounted on the base for rocking movement by means of a plurality of rocker cams mounted one behind the other. The rocker cams are pivotally mounted to one of the base or seat frame and having arcuate surfaces engaged against the other of the base or seat frame. This achieves a predetermined desired motion of the seat relative to the base. In one embodiment, a pair of such rocking cams are provided in tandem on each side of the chair. In another embodiment, only a single pair of cams are provided in tandem at a central portion of the chair. In another embodiment three cams are provided in a triangular arrangement.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: July 19, 1988
    Assignee: Parma Corporation
    Inventor: Walter C. Rogers, Jr.
  • Patent number: 4747392
    Abstract: This device is designed to cover food being cooked in an oven, so as to prevent splatter on the walls of the oven. Primarily, it consists of a base rim of channel shape which is secured to a dome shaped mesh screen. An alternate embodiment of the invention is provided with a mechanism for varying the size according to the pan and/or oven with which the device is to cooperate with.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: May 31, 1988
    Inventor: Minnie C. Rogers
  • Patent number: 4740254
    Abstract: A highly pitting resistant duplex stainless steel alloy is provided which comprises, in weight percentage, C: 0.10% and below; Si: 1.5% and below; Mn: 2.0% and below; Cr: 25.0% to 27.0%; Ni: 5.0% to 7.5%; Cu: 1.5% to 3.5%; N: 0.15% and below; Mo: 0.5% and below; and the remaining portion being substantially Fe to form the material of the highly pitting resistant duplex stainless steel alloy.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: April 26, 1988
    Assignee: Sandusky Foundry & Machine Co.
    Inventors: Charles W. Rainger, Allan P. Castillo, John C. Rogers
  • Patent number: 4740031
    Abstract: An improved mechanism for a reclining chair or sofa module allows the backrest to be placed virtually against a nearby wall in a room without offering any obstruction when the chair is placed into reclining position. The mechanism may incorporate a backrest of an average of conventional length and, in the preferred embodiment, the mechanism is driven to TV position by the weight of the chair occupant upon release of a locking means which holds the mechanism in the normal or closed position. Preferably, a manually-operable handle positioned on one side of the chair in accordance with conventional practice, is utilized to release the lock mechanism. Once in TV position, the chair may be moved to advanced reclining positions by the occupant exerting pressure on the backrest during which time the backrest will not strike the adjacent wall.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: April 26, 1988
    Assignee: Parma Corporation
    Inventor: Walter C. Rogers, Jr.
  • Patent number: 4707025
    Abstract: A rocker-recliner chair utilizing but two mounting links for mounting the seat and backrest to the rocker cams and which mounting links are also utilized to position the chair in advanced reclining positions beyond the TV position. The chair is biased to the TV position wherein the footrest is extended, by the weight of the chair occupant acting through the rear mounting link. However, the chair is retained in upright position against the gravity basis by a spring-loaded lock mechanism which is actuated by a handle to release the lock mechanism to allow the occupant's weight to drive the chair to TV position. When moving to TV position, the seat undergoes a certain amount of rearward displacement relative to the rocking cams to position the weight of the occupant to the rear while a "landing gear" stop descends to engage the base to thus prevent rearward rocking of the chair.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: November 17, 1987
    Assignee: Parma Corporation
    Inventor: Walter C. Rogers, Jr.
  • Patent number: 4694515
    Abstract: An air mattress comprising an inflatable and deflatable flexible body enclosing an air chamber having a resilient means urging the opposite upper and lower walls of the body apart while being yieldable to permit the body to be folded and deflated. In one embodiment, removable a closure is attached to the body to be received in a portal in the wall of the body to seal the chamber closed. When the body is unfolded into a generally horizontal or planar position with the portal opened, the resilient means within the body will separate the upper and lower walls of the body drawing air from the atmosphere into the chamber, the portal may then be closed to seal the air in the chamber. The air mattress is illustrated on a foldable bed including frame portions which are foldable into overlying positions to fold and deflate the mattress and which are unfoldable into a horizontal position to unfold and inflate the mattress.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: September 22, 1987
    Assignee: Parma Corporation
    Inventor: Walter C. Rogers, Jr.
  • Patent number: 4691961
    Abstract: In a one-way recliner chair of the type having a stationary backrest frame which extends upwardly behind a movable backrest, a headrest is mounted on the top of the stationary backrest frame for movement between a retracted position when the chair is in the normal position, and a projected position when the chair is in the reclining position. The headrest is automatically actuated between the aforesaid positions by means of a linklage interconnecting the headrest and the movable backrest upon movement of the latter between a normal or generally upright position and a reclining position.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: September 8, 1987
    Assignee: Parma Corporation
    Inventors: Walter C. Rogers, Jr., Raymond E. Holobaugh
  • Patent number: 4681652
    Abstract: Process of growing polysilicon on a plurality of deposition members grouped in a double ring, i.e., an outer circle surrounding an inner circle of members.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: July 21, 1987
    Inventors: Leo C. Rogers, Alfred J. Heitz
  • Patent number: RE33704
    Abstract: A rocker-recliner chair including a base, rocker cams mounted on the base, a unitary seat and armrest assembly mounted on the rocker cams by a novel linkage system for movement between a closed or generally upright position with the associated footrest closed, a TV position wherein the footrest has been extended and the seat inclined relative to the rocker cam, and any one of a number of advanced reclining positions where the footrest remains extended and the backrest has moved relative to the seat while the seat has moved relative to the rocker cam. When the chair is in the TV or any advanced reclining position, a "rock-blocking" mechanism prevents forward-rearward rocking of the cams relative to the base, however, the cams are permitted to rock rearwardly to permit movement of the seat into advanced reclining positions. In the preferred embodiment, actuation of the footrest to the TV position is initiated by means of a handle positioned on one side of the chair.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: October 1, 1991
    Assignee: Parma Corporation
    Inventor: Walter C. Rogers, Jr.