(under subclass 76.13) Subject matter having means that detect and measure radiant energy either at separate wave lengths or integrated over a broad wavelength band in the complex wave.
SEE OR SEARCH THIS CLASS, SUBCLASS:
76.56, for microwave frequency detection in digital output used in determining the frequency of cyclic current or voltage.
SEE OR SEARCH CLASS
250, Radiant Energy,
250, for the measurement of radio or microwaves by an absorption wavemeter
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), appropriate subclasses for directive radio wave systems and devices used in communication.