Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944427 | Reduced crossmodulation operation of a multimode communication device | David Haub, Christopher Neil Kurby, Richard E. Mach | 2005-09-13 |
| 6618365 | Method and apparatus to reduce uplink compressed mode monitoring in a communication device | Edgar P. Fernandes, Niels Peter Skov Andersen | 2003-09-09 |
| 6560298 | Method and apparatus for concurrent synchronization and improved automatic frequency control in a communication device | Timothy P. Froehling, Scott L. Chamberlain | 2003-05-06 |
| 6421379 | Digital filter with adaptive coefficients | William P. Alberth, Jr., Terrie L. Frane | 2002-07-16 |
| 6175334 | Difference drive diversity antenna structure and method | Hugh K. Smith, James P. Phillips, David Haub | 2001-01-16 |
| 6140807 | Electronic device and associated method for charging an energy storage circuit with a DC-DC converter | William P. Alberth, Jr., Terrie L. Frane | 2000-10-31 |
| 6097973 | Electronic circuit for a portable electronic device | Duane C. Rabe, William P. Alberth, Jr. | 2000-08-01 |
| 6049532 | Method of and apparatus for reducing a power consumption of a communication device | Scott A. Steele, Timothy P. Froehling, William P. Alberth, Jr., Joseph F. Cramer, III | 2000-04-11 |
| 6043786 | Multi-band slot antenna structure and method | Hugh K. Smith | 2000-03-28 |
| 5999832 | Method of and apparatus for controlling a transmit power of a communication device | William P. Alberth, Jr. | 1999-12-07 |
| 5977916 | Difference drive diversity antenna structure and method | Hugh K. Smith, James P. Phillips, David Haub | 1999-11-02 |
| 5966101 | Multi-layered compact slot antenna structure and method | David Haub, Hugh K. Smith | 1999-10-12 |
| 5930299 | Digital modulator with compensation and method therefor | William P. Alberth, Jr., Terrie L. Frane | 1999-07-27 |
| 5924044 | Modular communication device and method of providing communications therewith | William P. Alberth, Jr. | 1999-07-13 |
| 5880646 | Compact balun network of doubled-back sections | Hugh K. Smith, David Haub | 1999-03-09 |
| 5861853 | Current balanced balun network with selectable port impedances | David Haub, Hugh K. Smith | 1999-01-19 |
| 5809433 | Multi-component antenna and method therefor | David C. Thompson | 1998-09-15 |
| 5649306 | Portable radio housing incorporating diversity antenna structure | Kirk W. Dailey, Randall S. Vaas | 1997-07-15 |
| 5630213 | RF antenna switch and method of operating the same | — | 1997-05-13 |
| 5572223 | Apparatus for multi-position antenna | James P. Phillips, Eric L. Krenz | 1996-11-05 |
| 5565881 | Balun apparatus including impedance transformer having transformation length | James P. Phillips | 1996-10-15 |
| 5539360 | Differential transmission line including a conductor having breaks therein | James P. Phillips, Eric L. Krenz | 1996-07-23 |
| 5463406 | Diversity antenna structure having closely-positioned antennas | James P. Phillips | 1995-10-31 |
| 5280644 | Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts | Timothy P. Froehling | 1994-01-18 |
| 5276913 | Phase-locked-loop circuit for radio transceiver | Steven Lee | 1994-01-04 |