Patents by Inventor Frank Steven Eory

Frank Steven Eory has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for maintaining continuous phase during up/down conversion of near-zero hertz intermediate frequencies
    Patent number: 5832043
    Abstract: A digital rotating complex phasor generator (60) provides a constant magnitude continuous phase signal at either a positive or a negative frequency for translating the frequencies of a modulated signal from a near-zero intermediate frequency (IF) to baseband. The rotating complex phasor generator allows a digital receiver front-end to down-convert the received signal to an IF of substantially zero Hertz prior to analog to digital conversion, even in the presence of large Doppler frequency shifts and tuning uncertainties which may result in a residual IF carrier which has either a positive or a negative frequency.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: November 3, 1998
    Assignee: Motorola, Inc.
    Inventor: Frank Steven Eory