The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 2006
Filed:
Jun. 29, 2001
Applicants:
Seppo Rosnell, Salo, FI;
Jukka Varis, Salo, FI;
Inventors:
Seppo Rosnell, Salo, FI;
Jukka Varis, Salo, FI;
Assignee:
Nokia Mobile Phones Ltd., Espoo, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 27/04 (2006.01); H04L 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Switching mode power amplifiers using pulse width modulation (PWM) and pulse position modulation (PPM) for generating bandpass signals is disclosed. Fully digital implemented transmitter structures having QPSK inputs for phase and amplitude are described.