Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2006 - Google Patents
Frequency translation and applications of same are described herein, including wireless
local area network (WLAN) applications such as IEEE Standard 802.11 WLANs. Such …

Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2004 - Google Patents
Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for
down-converting and up-converting an electromagnetic (EM) signal are described herein …

Method and system for down-converting electromagnetic signals

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2000 - Google Patents
First worldwide family litigation filed litigation Critical https://patents. darts-ip. com/? family=
22642661&utm_source= google_patent&utm_medium= platform_link&utm_campaign …

Method and system for ensuring reception of a communications signal

MJ Bultman, RW Cook, RC Looke, CD Moses Jr… - US Patent …, 2000 - Google Patents
1998-10-21 Assigned to PARKERVISION, INC. reassignment PARKERVISION, INC.
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors …

Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2005 - Google Patents
A communication system comprising a multi-protocol, multi-bearer sub-system is described
herein. The sub-system is a universal platform module that can transmit and receive one or …

Method and system for frequency up-conversion

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2000 - Google Patents
First worldwide family litigation filed litigation https://patents. darts-ip. com/? family=
22643215&utm_source= google_patent&utm_medium= platform_link&utm_campaign …

Method and apparatus for reducing DC offsets in a communication system

GS Rawlins, K Brown, MW Rawlins… - US Patent …, 2006 - Google Patents
Methods and apparatuses for reducing DC offsets in a communication system are described.
In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network …

Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2010 - Google Patents
Frequency translation and applications of the same are described herein, including RF
modem and wireless local area network (WLAN) applications. In embodiments, the WLAN …

Integrated frequency translation and selectivity

RW Cook, MJ Bultman, RC Looke, CD Moses Jr… - US Patent …, 2000 - Google Patents
Attorney, Agent, or Firm-Sterne, Kessler, Goldstein & Fox 0 035 166 A1 2/1981 European
Pat. Off........... HO4B 1/26 PL. LC 0 193899 B1 9/1986 European Pat. Off........... GO1S 7/52 O …

Method and system for frequency up-conversion with variety of transmitter configurations

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2003 - Google Patents
A method and system is described wherein a signal with a lower frequency is up-converted
to a higher frequency. In one embodiment, the higher frequency signal is used as a stable …