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:
Feb. 27, 2001
Filed:
Dec. 18, 1997
Applicant:
Inventor:
John A. Samuels, Surrey, GB;
Assignee:
Nokia Mobile Phones Limited, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 ;
U.S. Cl.
CPC ...
H04B 1/38 ;
Abstract
A dual mode radio frequency receiver or transmitter capable of operating in a terrestrial mode in which signals are routed over a terrestrial network, and a satellite mode in which signals are routed over a satellite network. The radio frequency receiver includes a terrestrial front-end RF stage which receives signals from a terrestrial network, a satellite front-end RF stage which receives signals from a satellite network, and a common RF stage which includes mixing circuitry for frequency down-converting the signals received from the front-end RF stages.