Ultrasound imaging beam-former apparatus and method
CA 2513446 C · Owner: Hossack, John A. · Inventors: Hossack, John A.; Walker, William F.; Blalock, Travis N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In some illustrative embodiments, an incoming signal from a transducer (110) in an ultrasound imaging beam-former apparatus (100) is applied to an in-phase sample-and-hold (120) and a quadrature sample-and-hold (130). The quadrature sample-and-hold (130) may be clocked a quarter period behind the in-phase sample-and-hold (120). The output of the sample-and-holds are applied to inphase and quadrature analog-to-digital converters (126). A magnitude calculator (138) receives the in-phase and quadrature digital values and , outputs a magnitude. A phase calculator (142) receives the in-phase and quadrature digital values, and outputs a phase. An apodizer (146) applies a difference between …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 14, 2004 and granted August 26, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2026.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.