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:
Mar. 13, 1979
Filed:
Aug. 27, 1976
Applicant:
Inventors:
Robert M Kaye, Arlington, VA (US);
Gary A Eiloo, Burke, VA (US);
Thomas N Tucker, Oxon Hill, MD (US);
Assignee:
Washington Gas Light Company, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; G01V / ; G01R / ;
U.S. Cl.
CPC ...
324-3 ; 324-6 ; 325363 ;
Abstract
An apparatus and method for testing low-power, low-band radio frequency metal detectors of the type employing a radio transmitter alone or a transmitter and a receiver. The apparatus is characterized by a variable voltage power supply, a transmitter, an antenna, a voltmeter, a rectifier connected to the voltmeter, a switch for connecting the rectifier to either the antenna or the power supply and for selectively energizing the transmitter, and a surface placed in a fixed position relative to the antenna and defining the proper position for placement of the equipment under test.