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:
May. 26, 2015
Filed:
Oct. 28, 2008
Applicants:
Wilfred Edwin Booij, Nordby, NO;
Arne Øyen, Asker, NO;
Inventors:
Wilfred Edwin Booij, Nordby, NO;
Arne Øyen, Asker, NO;
Assignee:
Sonitor Technologies AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/08 (2006.01); G09F 3/00 (2006.01);
U.S. Cl.
CPC ...
G09F 3/005 (2013.01);
Abstract
An identification device comprising an ultrasound transmitter unit () and an outer housing () which receives said transmitter unit (), said outer housing () comprising one or more apertures () which are sealed by a membrane, said membrane being substantially transparent to ultrasound when compared to the rest of the housing.