1
David F Sorrells, Michael J Bultman, Robert W Cook, Jonathan S Jensen, Martin R Johnson, Richard C Looke, Charley D Moses Jr, Gregory S Rawlins, Michael W Rawlins, Robert T Short, Jamison L Young: DC offset, re-radiation, and I/Q solutions using universal frequency translation technology. ParkerVision, Sterne Kessler Goldstein and Fox P L L C, April 12, 2005: US06879817 (83 worldwide citation)

Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described h ...


2
Martin R Johnson, Jonathan S Jensen, Robert T Short, Jamison L Young, David F Sorrells, Michael J Bultman, Robert W Cook, Richard C Looke, Charley D Moses Jr: Phase shifting applications of universal frequency translation. ParkerVision, Sterne Kessler Goldstein & Fox P L L C, July 25, 2006: US07082171 (70 worldwide citation)

A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an aliasing signal). By controlling the relative sampling time, the UFT module implements a relative phase shif ...


3
Martin R Johnson, Jonathan S Jensen, Robert T Short, Jamison L Young, David F Sorrells, Michael J Bultman, Robert W Cook, Richard C Looke, Charley D Moses Jr: Phased array antenna applications of universal frequency translation. ParkerVision, Sterne Kessler Goldstein & Fox PLLC, May 27, 2008: US07379515 (58 worldwide citation)

A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an aliasing signal). By controlling the relative sampling time, the UFT module implements a relative phase shif ...


4
David F Sorrels, Michael J Bultman, Robert W Cook, Jonathan S Jensen, Martin R Johnson, Richard C Looke, Charley D Moses Jr, Gregory S Rawlins, Michael W Rawlins, Robert T Short, Jamison L Young: DC offset, re-radiation, and I/Q solutions using universal frequency translation technology. ParkerVision, Sterne Kessler Goldstein & Fox P L L C, May 26, 2009: US07539474 (41 worldwide citation)

Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described h ...


5
Martin R Johnson, Jan F Finlinson, Jeremy P Willden, Robert E Gooch: Tamper-resistant, energy-harvesting switch assemblies. Angus C Fox III, November 26, 2013: US08592703 (39 worldwide citation)

Tamper-resistant, longer-lasting energy-harvesting switch assemblies that can accommodate longer antennas required for operation in the 315 MHz radio frequency band are provided. In order to accommodate longer antenna that will not fit within the energy-harvesting module, the front major face of the ...


6
Martin R Johnson, Jonathan S Jensen, Robert T Short, Jamison L Young, David F Sorrells, Michael J Bultman, Robert W Cook, Richard C Looke, Charley D Moses Jr: Phased array antenna applications on universal frequency translation. Parker Vision, Sterne Kessler Goldstein & Fox P L L C, June 30, 2009: US07554508 (34 worldwide citation)

A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an aliasing signal). By controlling the relative sampling time, the UFT module implements a relative phase shif ...


7
Xiaoling Fang, Keith L Davis, Martin R Johnson: Method and apparatus for minimizing latency in digital signal processing systems. Sonic Innovations, Steven J Robbins, Thelen Reid & Priest, April 6, 2004: US06717537 (24 worldwide citation)

A method and an apparatus for minimizing latency in digital signal processing paths. One example is an active noise cancellation device. The system includes a digital closed feedback loop having a forward path and a feedback path. The forward path includes a compensation filter, a digital-to-analog ...


8
David F Sorrells, Michael J Bultman, Robert W Cook, Jonathan S Jensen, Martin R Johnson, Richard C Looke, Charley D Moses Jr, Gregory S Rawlins, Michael W Rawlins, Robert T Short, Jamison L Young: Down-conversion of an electromagnetic signal with feedback control. ParkerVision, Sterne Kessler Goldstein & Fox P L L C, February 22, 2011: US07894789 (20 worldwide citation)

Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described h ...


9
Martin R Johnson, Peter C North: Indolyl compounds and their use in treatment of cephalic pain. Glaxo Group, Bacon & Thomas, December 12, 1995: US05475020 (17 worldwide citation)

The invention relates to indoles of general formula (I) ##STR1## wherein R.sub.0 represents a hydrogen atom or a C.sub.1-3 alkyl group; R.sub.1 represents a group R.sub.4 CONH--, R.sub.4 R.sub.5 NSO.sub.2 --, R.sub.4 SO.sub.2 NH-- or R.sub.4 R.sub.5 NCO-- (where R.sub.4 is a hydrogen atom or a C.sub ...


10
David F Sorrells, Michael J Bultman, Robert W Cook, Jonathan S Jensen, Martin R Johnson, Richard C Looke, Charley D Moses Jr, Gregory S Rawlins, Michael W Rawlins, Robert T Short, Jamison L Young: Down-conversion of an electromagnetic signal with feedback control. ParkerVision, Workman Nydegger, July 17, 2012: US08224281 (10 worldwide citation)

Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset voltages and re-radiation generated when down-converting an electromagnetic (EM) signal is also described h ...