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.

Date of Patent:
Apr. 09, 1991

Filed:

Apr. 20, 1989
Applicant:
Inventors:

John E Miller, Sunrise, FL (US);

Frank E Lambrecht, Hollywood, FL (US);

Assignee:

Motorola, Inc., Schaumburg, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343848 ; 343895 ; 343731 ;
Abstract

An antenna comprises a conductive helix (10) positioned parallel to a ground plane (12). One end (14) of the helix is coupled to the ground plane (12), while the other end (16) is left open. Radio frequency signals (20) are fed (18) into the open end of the helix to excite the antenna and radiate the radio frequency signal.


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Miller, John. (1991). Antenna (U.S. Patent No. 5006861). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5006861

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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