Loper; Roger K.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Loper; Roger K..The latest application filed is for "low pass filters for high dynamic range wideband direct conversion receiver".

Company Profile

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Loper; Roger K. - Montrose CO
Loper; Roger K. - Marion IA
Loper; Roger K. - Norway IA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Low pass filters for high dynamic range wideband direct conversion receiver Grant 6,862,323 - Loper March 1, 2	2005-03-01
System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal Grant 5,604,929 - Loper , et al. February 18, 1	1997-02-18
Phase and gain error control system for use in an I/Q direct conversion receiver Grant 5,249,203 - Loper September 28, 1	1993-09-28
System for controlling phase and gain errors in an I/Q direct conversion receiver Grant 5,230,099 - Loper July 20, 1	1993-07-20
Selectivity system for a direct conversion receiver Grant 5,179,730 - Loper January 12, 1	1993-01-12
Automatic gain control system for a direct conversion receiver Grant 5,095,533 - Loper , et al. March 10, 1	1992-03-10
Direct conversion receiver with tri-phase architecture Grant 5,095,536 - Loper March 10, 1	1992-03-10
Digital voice and data frequency modulation circuit Grant 4,682,123 - Loper , et al. July 21, 1	1987-07-21
Battery monitor circuit Grant 4,387,334 - Loper June 7, 1	1983-06-07

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