The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2015
Filed:
Nov. 07, 2013
Hrl Laboratories, Llc, Malibu, CA (US);
Deying Zhang, Oak Park, CA (US);
Mohiuddin Ahmed, Moorpark, CA (US);
HRL Laboratories, LLC, Malibu, CA (US);
Abstract
A digital filter bank includes a first sample and hold unit, one or more second sample and hold units one or more quantizers and one or more polyphase component filters. In another aspect, a digital filter bank includes a first sample and hold unit, a discrete time commutator and one or more polyphase component filters. In another aspect, a method for digitally filtering a signal includes sampling an input signal at a first frequency, sampling and holding the first sampled signal at a second frequency, quantizing the one or more second sampled signals to output channelized signals, and filtering the one or more quantized signals and outputting one or more filtered signals using one or more polyphase component filters.