Inventor
Mark J. Appel
Inventor
Richardson, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks30%
H03FAmplifiers20%
A61BDiagnosis10%
G01SRadio direction-finding10%
H03GControl of amplification10%
H03MCoding10%
H04BTransmission10%
PatentTitleYear
8,659,457'Self-compensating digital-to-analog converter and methods of calibration and operation thereof'20146,272,336'Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation'20016,223,056'Systems and methods for dynamically controlling a variable power amplifier'20016,215,358'Temperature compensated bias network for a power amplifier and method of operation'20015,857,155'Method and apparatus for geographic based control in a communication system'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to MOTOROLA INC (1)· patent assignee history
1999Based in Fort Worth, TX, US· patent location history
2001Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2001Based in Richardson, TX, US· patent location history
2014Patents assigned to XW LLC (1)· patent assignee history
2014Based in Plano, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 3 | 2001 |
| MOTOROLA INC | 1 | 1999 |
| XW LLC | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richardson, Texas, US | 3 | 2001 |
| Plano, Texas, US | 1 | 2014 |
| Fort Worth, Texas, US | 1 | 1999 |