US PATENT SUBCLASS 318 / 693
.~ Having impedance-type transmitter

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

Internet Version by PATENTEC © 1999      Terms of Use


318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

690  DF  SELF-SYNCHRONOUS TYPE OF MOTOR {5}
693.~ Having impedance-type transmitter

DEFINITION

Classification: 318/693

(under subclass 690) Subject matter in which the transmitter comprises an impedance device which is effective to vary the characteristics of the voltage or current supplied to the receiver device.