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:
Jun. 12, 2001
Filed:
Nov. 19, 1997
Active prevention of radio frequency emissions from a mobile communications unit in restricted areas
Applicant:
Inventors:
B. Johanna Isberg, Lund, SE;
Mikael Dahlkvist, Södra Sandby, SE;
L. Fredrik Liljegren, Malmö, SE;
Ulf C. Björkengren, Bjärred, SE;
Anders Khullar, Bjärred, SE;
Assignee:
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/40 ;
U.S. Cl.
CPC ...
H04B 1/40 ;
Abstract
To enable use of an intelligent mobile communication unit (,) in areas where there are restrictions on the emission of radio frequency energy, the unit is provided with means (,) for actively preventing radio frequency radiation from the unit (,) even if non-radio frequency energy emitting parts of the unit (,) are operable.