Appendix for ParkerVision Patents: Patent Related Press Releases - April 27, 2005
Title: ParkerVision Receives First Patent for Its Wireless
Technology
Date: 4/11/2000; Publication: PR Newswire; Industry’s First
RF Filtering and Direct Down Conversion In a Unified Operation
More than 40 Other Wireless Patent Applications on File and In
Process
JACKSONVILLE, Fla., April 11 /PRNewswire/ –
ParkerVision, Inc. (Nasdaq: PRKR) received its first wireless technology
patent today from the United States Patent & Trademark Office.
The patent covers a previously unannounced capability of the company’s
Direct2Data(TM) (D2D)(TM) technology, which represents an advanced
application of the fundamental D2D technology.
The patent issued covers an application of the D2D technology to
provide RF filtering and direct down conversion in a single unified
operation. This advancement paves the way to reduce or eliminate
the external filters that are used in today’s traditional
receiver designs. Direct down conversion with integrated filtering
is consistent with ParkerVision’s longer term goal of creating
complete wireless systems-on-chip resulting in smaller and less
expensive radio devices, with lower power requirements.
The patent issued today, U.S. Patent 6,049,706, contains 194 claims,
including 8 independent claims. It is part of an overall intellectual
property strategy and includes more than 40 other patents pending.
This first patent incorporates by reference four other U.S. patent
applications covering the fundamental core technology of ParkerVision’s
direct conversion wireless advances in receiver, transmitter, multiple
channel communication, and product applications. The company intends
to aggressively pursue the filing and protection of its patents
in the United States and abroad.
ParkerVision’s Chief Technical Officer, David Sorrells, commented, “The
basic application of D2D, which we previously announced, creates
high performance Zero Intermediate Frequency (Zero IF) transmitters
and receivers. Zero IF eliminates the IF filters and amplifiers;
however, there still remains RF bandpass and baseband channel filters
in a Zero IF architecture.
“This first issued patent is an advanced application of D2D
which will further reduce or eliminate the need for the remaining
external filters. This will be especially helpful to achieving higher
levels of chip integration by reducing or eliminating the conventional
RF bandpass filters which are typically dielectric resonators or
SAW filters. The result will be to further reduce cost, power, and
size while creating high-performance CMOS radios,” continued
Sorrells.
Jeffrey Parker, Chairman and Chief Executive Officer, added, “This patent
award is an important strategic step in the commercialization of our wireless
technology, and in the pursuit of our aggressive intellectual property program
in the United States and abroad. This enhanced application of our D2D technology
furthers our strategic goal of creating high-performance system-on- chip radios
for uses such as CDMA, GSM, wireless LAN, and Bluetooth.
“By combining these down-conversion and filtering operations, Parkervision’s
technology should enable manufacturers to reduce the cost, size, and power consumption
of wireless receivers,” continued Parker. “Moreover, since the process
can be implemented in standard CMOS, the design and manufacture of wireless receivers
are greatly simplified, resulting in unprecedented receiver integration possibilities.”
ParkerVision, headquartered in Jacksonville, Florida, designs, develops and manufactures
communications technology platforms and products for the wireless and video industries.
Additional information about ParkerVision and its D2D technology is available
at www.parkervision.com and www.D2D.com.
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