1
Brent W Miller, William W Walker, Laurence H Cooke: Scannable latch system and method. Vertex Semiconductor Corporation, A C Smith, Greg T Sueoka, July 14, 1992: US05130568 (113 worldwide citation)

A scannable latch system comprises a plurality of scannable latches and clock driver circuit that allow at-speed testing of integrated circuits. Each scannable latch comprises a master latch, a slave latch and an auxiliary latch. The master latch is a two input latch capable of receiving data from t ...


2
Paula Schenck, Patricia L Foster, William W Walker Jr, Samuel Fogel: Production of algal bio-polymers. American Bioculture, Synnestvedt & Lechner, May 25, 1976: US03958364 (36 worldwide citation)

Cultivation of algae to produce long chain polymers having flocculating properties is disclosed. Algae are cultivated in an aqueous nutrient medium until relatively high culture densities are achieved and thereafter under conditions in which the cells become deficient in nitrogen thereby causing the ...


3
Yolin Lih, William W Walker: Keeper circuits having dynamic leakage compensation. Fujitsu, Sheppard Mullin Richter & Hampton, August 14, 2007: US07256621 (27 worldwide citation)

Disclosed are keeper circuits for electronic circuits that selectively maintain the voltage level of an intermediate circuit node at a desired level. In one exemplary embodiment, a keeper transistor either provides current or drains current from the intermediate node to maintain the desired voltage ...


4
Nestor Tzartzanis, William W Walker: Low-to-high voltage conversion method and system. Fujitsu, Sheppard Mullin Richter & Hampton, January 11, 2005: US06842046 (17 worldwide citation)

A system and method, for converting a voltage input from a low voltage source to a voltage output at a high voltage source using a domino logic circuit design. An embodiment provides a low to high voltage conversion system. The system includes: a pull-up transistor coupled to a high voltage source f ...


5
Nikola Nedovic, Vojin G Oklobd haeck over, William W Walker: Method and system for improving speed in a flip-flop. Fujitsu, Sheppard Mullin Richter & Hampton, February 17, 2004: US06693459 (14 worldwide citation)

The present invention provides techniques, including a system and method, for improving speed in a flip-flop, having a pre-charged stage coupled to an evaluation stage. In one exemplary embodiment delay is reduced by using a conditional rather than an unconditional keeper, where the conditional keep ...


6
Wendell P Noble Jr, Roy E Scheuerlein, William W Walker: Method of making self-aligned recessed oxide isolation regions. International Business Machines Corporation, Stephen J Limanek, June 30, 1987: US04675982 (13 worldwide citation)

A simple process is provided for making two self-aligned recessed oxide isolation regions of different thicknesses which includes the steps of defining first and second spaced apart regions on the surface of a semiconductor substrate, forming a protective layer over the first region, forming a first ...


7
Nikola Nedovic, Vojin G Oklobd haeck over, William W Walker: Method and system for reducing hazards in a flip-flop. Fujitsu, Sheppard Mullin Richter & Hampton, November 11, 2003: US06646487 (13 worldwide citation)

The invention relates generally to the field of electronic circuit design, and in particular to techniques for reducing hazards in a digital logic circuit, for example, a digital logic flip-flop circuit. In an embodiment of the present invention a method for reducing hazards in a flip-flop, includin ...


8
Nestor Tzartzanis, William W Walker: Electronic oscillators having a plurality of phased outputs and such oscillators with phase-setting and phase-reversal capability. Fujitsu, Baker Botts L, December 11, 2007: US07307483 (11 worldwide citation)

Disclosed are multiphase oscillators comprising a plurality of delay stages serially coupled in a loop by a plurality of nodes, with the loop being folded to provide two concentric rings of delay stages with equal numbers of allocated nodes. A second plurality of negative-resistance elements are pro ...


9
Nikola Nedovic, William W Walker: System and apparatus for aperture time improvement. Fujitsu, Baker Botts L, December 8, 2009: US07629817 (11 worldwide citation)

In particular embodiments, an apparatus includes a first transistor connected at the gate to a first input signal voltage and a second transistor connected at the gate to a second input signal voltage. The apparatus further includes a deactivation element coupled to the transistors, the deactivation ...


10
William W Walker: Wrist guards. November 23, 1999: US05987641 (10 worldwide citation)

A wrist pad is provided including a flexible removable wrap with a top extent and a bottom extent. At least one sleeve is mounted on the bottom extent of the wrap. A rigid element includes at least one portion defining a periphery of a cylinder and a sphere. Such rigid element is removably situated ...