US PATENT SUBCLASS 324 / 619
.~.~.~ Selective type characteristics

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


324 /   HD   ELECTRICITY: MEASURING AND TESTING

600  DF  IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS {8}
612  DF  .~ Parameter related to the reproduction or fidelity of a signal affected by a circuit under test {4}
615  DF  .~.~ Transfer function type characteristics {4}
619.~.~.~ Selective type characteristics

DEFINITION

Classification: 324/619

Selective type characteristics:

(under subclass 615) Subject matter including measuring or testing characteristics which determine the extent to which the desired signal can be distinguished from disturbances or other signals, e.g., tuning.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

47+, for circuits where an output is present only at a predetermined input signal frequency.