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John Paul Strachan patents

Recent bibliographic sampling of John Paul Strachan patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):



11/27/14 - 20140346426 - Memristor with channel region in thermal equilibrium with containing region
A memristor with a channel region in thermal equilibrium with a containing region. The channel region has a variable concentration of mobile ions. The containing region, formed of stoichiometric crystalline material, contains and is in thermal equilibrium with the channel region....
Inventors: Feng Miao, Jianhua Yang, John Paul Strachan, Wei Yi, Gilberto Medeiros Ribeiro, R. Stanley Williams

01/30/14 - 20140029327 - Bipolar resistive switch heat mitigation
A heat mitigated bipolar resistive switch includes a BRS matrix sandwiched between first and second electrodes and a heat mitigator. The BRS matrix is to support bipolar switching of a conduction channel formed between the first and second electrodes through BRS matrix. The heat mitigator is to reduce heat in...
Inventors: John Paul Strachan, Gilberto Medeiros Ribeiro, Jianhua Yang, Wei Yi

10/03/13 - 20130258317 - Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
The nitrate-nitrogen concentration in soil is estimated based on the nitrate-nitrogen 200 nm absorption peak. In one embodiment, a device measures the attenuation spectrum of a soil-extractant mixture over a wavelength range that includes wavelengths in the vicinity of the 200 nm absorption peak (the spectral operating range) and then...
Inventors: Michael John Preiner, Nicholas Carleton Koshnick, Justin Stewart White, John Paul Strachan (Solum, Inc.)

02/21/13 - 20130044533 - Memory array with co-planar waveguide based memory element selection
A memory array with co-planar waveguide based memory selection includes a first set of parallel conductive lines placed perpendicular to a second set of parallel conductive lines, memory elements disposed at intersections between the first set of conductive lines and the second set of conductive lines, and selection circuitry to...
Inventors: Wei Wu, John Paul Strachan, Antonio Carlos Torrezan De Sousa

01/24/13 - 20130019664 - Automated soil measurement device
A system and a method are disclosed for combining a soil sample and extractant in a mixing chamber to produce a liquid extractant-soil mixture. A portion of the liquid extractant-soil mixture is directed from the mixing chamber through a sample measurement chamber coupled to the mixing chamber. The sample measurement...
Inventors: Michael John Preiner, Nicholas Carleton Koshnick, Justin Stewart White, John Paul Strachan (Solum, Inc.)

08/02/12 - 20120192441 - Physical template for deploying an earth-based sensor network
A physical template for deploying an earth-based sensor network. The physical template includes a physical mesh. The physical mesh is configurable as a surface-covering structure that includes a plurality of nodes. A node of the plurality of nodes is to position a sensor for deployment of the sensor within a...
Inventors: John Paul Strachan, Wei Wu

06/14/12 - 20120147368 - Automated soil measurement device
A system and a method are disclosed for combining a soil sample and extractant in a mixing chamber to produce a liquid extractant-soil mixture. A portion of the liquid extractant-soil mixture is directed from the mixing chamber through a sample measurement chamber coupled to the mixing chamber. The sample measurement...
Inventors: Michael John Preiner, Nicholas Carleton Koshnick, Justin Stewart White, John Paul Strachan (Solum, Inc.)

05/10/12 - 20120113706 - Memristors based on mixed-metal-valence compounds
A memristor (100, 100′, 100″) based on mixed-metal-valence compounds comprises: a first electrode (115); a second electrode (120); a layer (105) of a mixed-metal-valence phase in physical contact with at least one layer (110, 110a, 110b) of a fully oxidized phase. The mixed-metal-valence phase is essentially a condensed phase of...
Inventors: R. Stanley Williams, Jinhua ` Yang, Matthew Pickett, Gilberto Ribeiro, John Paul Strachan

05/03/12 - 20120105159 - Memristive programmable frequency source and method
A frequency source and a method of frequency generation employ a memristive negative differential resistance (M-NDR) voltage controlled oscillator (VCO). The frequency source includes a first M-NDR VCO of a plurality of memristive VCOs to provide a first signal having a first signal frequency. The frequency source further includes a...
Inventors: John Paul Strachan, Philip J. Kuekes, Matthew D. Pickett

05/03/12 - 20120105143 - Programmable analog filter
A programmable analog filter includes a crossbar array with a number of junction elements and a filter circuit being implemented within the crossbar array. At least a portion of the junction elements form reprogrammable components within the filter circuit. A method for using a programmable analog filter is also provided....
Inventors: John Paul Strachan, Philip J. Kuekes, Gilberto Medeiros Ribeiro

04/05/12 - 20120081945 - Memory array with graded resistance lines
A memory array with graded resistance lines includes a first set of lines intersecting a second set of lines. A line from one of the sets of lines includes a graded resistance along a length of the line....
Inventors: Jianhua Yang, John Paul Strachan, Wei Wu, Janice H. Nickel

03/01/12 - 20120051125 - Multilayer structures having memory elements with varied resistance of switching layers
A multilayer structure is provided that includes a base and a multilayer circuit disposed above the base. The multilayer circuit includes memory elements, each including a switching layer, and conductive lines leading from the base to the memory element. The total resistance of the switching layer of a memory element...
Inventors: Jianhua Yang, Wei Wu, John Paul Strachan

01/05/12 - 20120001017 - Installation platform for deploying an earth-based sensor network utilizing a projected pattern from a height
An installation platform for deploying an earth-based sensor network utilizing a projected pattern from a height. The installation platform includes an aerostatic aircraft, at least one sensor-location projector, and a projector stabilizer. The sensor-location projector is coupled with the aerostatic aircraft, and is configurable to project the projected pattern including...
Inventors: John Paul Strachan, Wei Yi, Jianhua Yang

12/29/11 - 20110317469 - Non-volatile sampler
A non-volatile sampler including a row line for receiving an input signal to be sampled, the row line intersecting a number of column lines, non-volatile storage elements being disposed at intersections between the row line and the column lines; a bias voltage source connected to the column lines, the bias...
Inventors: Julien Borghetti, David A. Fattal, John Paul Strachan (Hewlett-packard Development Company, L.p.)

12/15/11 - 20110303011 - Sensor apparatus, system and method providing coupling characterization
A sensor apparatus, a sensor system and a method employ coupling characterization of a sensor housing to a local environment. The apparatus includes a vibration sensor and a vibration actuator attached to and enclosed by the sensor housing in a spaced apart relationship. The vibration actuator is configured to vibrate...
Inventors: Kai-mei Camilla Fu, John Paul Strachan, Peter G. Hartwell

12/01/11 - 20110289787 - Node placement apparatus, system and method
A node placement apparatus, system and method employ an optical source to define a grid for placement of nodes. The node placement apparatus includes a structure that provides a predetermined height and the optical source positioned at the predetermined height. The optical source is configured to produce an optical beam...
Inventors: Wei Yi, John Paul Strachan

11/03/11 - 20110267220 - Sensor node positioning in a sensor network
Systems and methods for positioning sensor nodes in a sensor network are described. A system can include multiple base nodes. The base nodes can have a differential global positioning system. The global positioning system can be used to determine a precise location of the base nodes. Sensor nodes can be...
Inventors: John Paul Strachan, R. Stanley Williams

10/27/11 - 20110260134 - Thermally stable nanoscale switching device
A nanoscale switching device provides enhanced thermal stability and endurance to switching cycles. The switching device has an active region disposed between electrodes and containing a switching material capable of carrying a species of dopants and transporting the dopants under an electrical field. At least one of the electrodes is...
Inventors: Jianhua Yang, Stanley Williams, Julien Borghetti, John Paul Strachan

07/28/11 - 20110181347 - Memristor-protection integrated circuit and method for protection of a memristor during switching
A memristor-protection integrated circuit. The memristor-protection integrated circuit includes a first current-bias circuit, a second current-bias circuit, an inverter, and a current limiter. The first and second current-bias circuits are configured to be coupled to first and second power-supply rails, respectively. The inverter is coupled to the first current-bias circuit...
Inventors: Matthew D. Pickett, John Paul Strachan, Muhammad Shakeel Qureshi

11/11/10 - 20100283994 - Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
The nitrate-nitrogen concentration in soil is estimated based on the nitrate-nitrogen 200 nm absorption peak. In one embodiment, a device measures the attenuation spectrum of a soil-extractant mixture over a wavelength range that includes wavelengths in the vicinity of the 200 nm absorption peak (the spectral operating range) and then...
Inventors: Michael John Preiner, Nicholas Carleton Koshnick, Justin Stewart White, John Paul Strachan

11/11/10 - 20100283993 - Automated soil measurement device
A system and a method are disclosed for combining a soil sample and extractant in a mixing chamber to produce a liquid extractant-soil mixture. A portion of the liquid extractant-soil mixture is directed from the mixing chamber through a sample measurement chamber coupled to the mixing chamber. The sample measurement...
Inventors: Michael John Preiner, Nicholas Carleton Koshnick, Justin Stewart White, John Paul Strachan (Solum, Inc.)

Solum, Inc., Hewlett-packard Development Company, L.p.

Archived*
(*May have duplicates - we are upgrading our archive.)

20120192441 - Physical template for deploying an earth-based sensor network


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The bibliographic references displayed about John Paul Strachan's patents are for a recent sample of John Paul Strachan's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If John Paul Strachan filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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