John B Treece from Tucson, AZ, age 64

John Treece - Lawyer

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Address:

One South Dearborn

Phone:

(312)8532937 (Phone), (312)8537036 (Fax)

Work:

Sidley Austin LLP, Partner

Experience:

47 years

Specialties:

Antitrust
Health Care Law
Intellectual Property
Antitrust/Competition
Healthcare
Intellectual Property Litigation

Jurisdiction:

Illinois (1978)
Illinois (1985)
Illinois 1978
U.S. Court of Appeals, 7th Circuit 1996
U.S. Court of Appeals, Federal Circuit 2002
U.S. District Court, N.D. of Illinois - General 1978
U.S. District Court, N.D. of Illinois - Trial Bar 1985

Law School:

Columbia University School of Law

Education:

Columbia University School of Law, JD
Harvard University, BA

Links:

Website

Us Patents

Antenna Pointing Bias Estimation Using Radar Imaging
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US Patent:

7999726, Aug 16, 2011
Filed:

Jan 11, 2008
Appl. No.:

12/008455
Inventors:

Ralph Guertin - Green Valley AZ, US
David Faulkner - Tucson AZ, US
John Treece - Tucson AZ, US
Donald Bruyere - Tucson AZ, US
Assignee:

Raytheon Company - Waltham MA
International Classification:

G01S 7/40
G01S 13/89
G01S 13/90
F41G 7/20
G01S 7/00
G01S 13/00
F41G 7/00
US Classification:

342173, 342 25 R, 342 27, 342 28, 342 61, 342 62, 342 63, 342 73, 342 74, 342 75, 342 80, 342 82, 342 89, 342118, 342134, 342139, 342140, 342146, 342147, 342149, 342165, 342175, 342176, 342179, 342195, 244 31, 244 315, 244 319
Abstract:

A system for estimating an antenna boresight direction. The novel system includes a first circuit for receiving a Doppler measurement and a line-of-sight direction measurement corresponding with the Doppler measurement, and a processor adapted to search for an estimated boresight direction that minimizes a Doppler error between the Doppler measurement and a calculated Doppler calculated from the estimated boresight direction and the line-of-sight direction measurement. The line-of-sight direction measurement is measured relative to the true antenna boresight, and the calculated Doppler is the Doppler calculated for a direction found by applying the line-of-sight direction measurement to the estimated boresight direction. In a preferred embodiment, the first circuit receives a Doppler measurement and a line-of-sight direction measurement from each of a plurality of pixels, and the processor searches for an estimated boresight direction that minimizes a sum of squares of Doppler errors for each of the pixels.

Radar Imaging System And Method Using Gradient Magnitude Second Moment Spatial Variance Detection
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US Patent:

8054217, Nov 8, 2011
Filed:

Oct 18, 2007
Appl. No.:

11/975393
Inventors:

Donald P. Bruyere - Tucson AZ, US
Ivan S. Ashcraft - Marana AZ, US
John B. Treece - Tucson AZ, US
Assignee:

Raytheon Company - Waltham MA
International Classification:

G01S 13/89
G01S 13/90
G01S 13/00
US Classification:

342179, 342 25 R, 342 25 A, 342 89, 342 91, 342 93, 342175, 342176, 342195
Abstract:

A detection system and method. The inventive system includes an arrangement for receiving a frame of image data; an arrangement for performing a rate of change of variance calculation with respect to at least one pixel in said frame of image data; and an arrangement for comparing said calculated rate of change of variance with a predetermined threshold to provide output data. In the illustrative embodiment, the frame of image data includes a range/Doppler matrix of N down range samples and M cross range samples. In this embodiment, the arrangement for performing a rate of change of variance calculation includes an arrangement for calculating a rate of change of variance over an N×M window within the range/Doppler matrix. The arrangement for performing a rate of change of variance calculation includes an arrangement for identifying a change in a standard deviation of a small, localized sampling of cells. In accordance with the invention, the arrangement for performing a rate of change of variance calculation outputs a rate of change of variance pixel map.

Radar Imaging System And Method Using Second Moment Spatial Variance
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US Patent:

8212717, Jul 3, 2012
Filed:

Oct 18, 2007
Appl. No.:

11/975392
Inventors:

Donald P. Bruyere - Tucson AZ, US
Ivan S. Ashcraft - Marana AZ, US
John B. Treece - Tucson AZ, US
Assignee:

Raytheon Company - Waltham MA
International Classification:

G01S 13/89
G01S 13/90
G01S 13/00
US Classification:

342179, 342 25 R, 342 25 A, 342 89, 342 91, 342 93, 342175, 342176, 342195
Abstract:

A detection system and method. The inventive system includes an arrangement for receiving a frame of image data; an arrangement for performing a variance calculation with respect to at least one pixel in the frame of image data; and an arrangement for comparing the calculated variance with a predetermined threshold to provide output data. In the illustrative embodiment, the frame of image data includes a range/Doppler matrix of N down range samples and M cross range samples. In this embodiment, the arrangement for performing a variance calculation includes an arrangement for calculating a variance over an N×M window within the range/Doppler matrix. The arrangement for performing a variance calculation includes an arrangement for identifying a change in a standard deviation of a small, localized sampling of cells. In accordance with the invention, the arrangement for performing a variance calculation outputs a variance pixel map.

Detection System And Method Using Gradient Magnitude Second Moment Spatial Variance Detection
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US Patent:

8339306, Dec 25, 2012
Filed:

Nov 2, 2011
Appl. No.:

13/288009
Inventors:

Donald P. Bruyere - Tucson AZ, US
Ivan S. Ashcraft - Marana AZ, US
John B. Treece - Tucson AZ, US
Assignee:

Raytheon Company - Waltham MA
International Classification:

G01S 13/89
G01S 13/90
G01S 13/00
US Classification:

342179, 342 25 R, 342 25 A, 342 89, 342 91, 342 93, 342175, 342176, 342195
Abstract:

A detection system includes a detection processor configured to receive a frame of image data that includes a range/Doppler matrix, perform a rate-of-change of variance calculation with respect to at least one pixel in the frame of image data, and compare the calculated rate-of-change of variance with a predetermined threshold to provide output data. The range/Doppler matrix may include N down-range samples and M cross-range samples. The detection processor may calculate a rate-of-change of variance over an N×M window within the range/Doppler matrix.

Radar Imaging System And Method Using Directional Gradient Magnitude Second Moment Spatial Variance Detection
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US Patent:

20080303712, Dec 11, 2008
Filed:

Oct 18, 2007
Appl. No.:

11/975391
Inventors:

Donald Bruyere - Tucson AZ, US
Ivan Ashcraft - Marana AZ, US
John Treece - Tucson AZ, US
International Classification:

G01S 13/90
US Classification:

342 25 E
Abstract:

A detection system and method. The inventive system includes an arrangement for receiving a frame of image data; an arrangement for performing a rate of change of variance calculation with respect to at least one pixel in said frame of image data; and an arrangement for comparing said calculated rate of change of variance with a predetermined threshold to provide output data. In the illustrative embodiment, the frame of image data includes a range/Doppler matrix of N down range samples and M cross range samples. In this embodiment, the arrangement for performing a rate of change of variance calculation includes an arrangement for calculating a rate of change of variance over an N×M window within the range/Doppler matrix. The arrangement for performing a rate of change of variance calculation includes an arrangement for identifying a change in a standard deviation of a small, localized sampling of cells. In accordance with the invention, the arrangement for performing a rate of change of variance calculation outputs a rate of change of variance pixel map.