Accession Number : ADD000926

Title :   Modulated Power Measuring Bridge with Automatic A.C. and D.C. Rebalancing.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : Hirsch,Max M

Report Date : 11 May 1965

Pagination or Media Count : 13

Abstract : The patent relates, in general, to a method for reasuring power of alternating currents, radio waves, microwaves and from radiant sources of various types. Measurement can occur over a great range of frequencies of electromagnetic energy from below a kilocycle per second to above the ultraviolet. This method employs the principle of the thermal equivalence of different kinds of energy with accuracy and extreme sensitivity over a great dynamic range. The invention also relates to apparatus for practicing the method of the present invention.

Descriptors :   *Electric bridges, *Patents, Power measurement, Radiofrequency power, Electromagnetic radiation

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE