Mark Identification

DYNAMICALLY ADAPTIVE MULTICARRIER QUADRATURE AMPLITUDE MODULATION

Serial Number

73565526

Filing Date

Oct 28, 1985

Registration Date

Dec 2, 1986

Trademark by

Classification Information

DIGITAL DATA COMMUNICATION PRODUCTS, NAMELY, A MODEM WHICH EMPLOYS A MULTICARRIER MODULATION METHOD FOR ANALYZING AND USING A TELEPHONE BANDWIDTH