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. 09, 1978
Filed:
Jan. 10, 1977
Raymond G Immell, Mesa, AZ (US);
Bill H Sasser, Phoenix, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
First and second elements mounted in parallel spaced apart relation with one end shorted to form a quarterwave transmission line at a base frequency and a halfwave transmission line at an even harmonic thereof, with the spacing being .lambda./8 at the base frequency and .lambda./4 at the harmonic and a feedline being connected between the elements and positioned so the impedance of the antenna matches the impedance of the feedline at the base frequency and the diameter of the feedline being adjusted so the impedance of the antenna matches the impedance of the feedline at the harmonic frequency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile