US5601083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Real time 3D imaging device using filtered ellipsoidal backprojection
Assignee: Individual
•
Filing: 1993-08-09
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Granted: 1997-02-11
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Expires: 2013-08-09
Abstract
Abstract An ultrasound ellipsoidal backprojection device includes a receiver element array with each element related to an image reconstruction point angle of a receiver apodizer, the apodizer having an apodization weighting amplitude function generator for weighting echoes received by the elements as a function of the image reconstruction point angle of thereceiver elements, and an ellipsoidal backprojection image reconstruction processor for reconstructing images from the weighted echoes.
Inventors
- 👤 Forrest Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:43
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/88; G01S15/89; G01S15/8906; G01S15/8993; G01S15/8997; G01S7/00; G01S7/52; G01S7/56; G01S7/62; G01S7/6245; G01V; G01V1/00; G01V1/28
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
83 words
An ellipsoidal backprojection imaging device comprising an array of receiver elements, each element of the array being related to an image reconstruction point angle of a receiver apodizer; a receiver apodizer having an apodization amplitude function means for providing an apodization amplitude for weighting echoes associated with each receiver element where said apodization amplitude function is a function of the image reconstruction point angle of said receiver elements; and an ellipsoidal backprojection image reconstruction processor for reconstructing said images from said weighted echoes.
Claim 2
Dependent Claim
83 words
An ellipsoidal backprojection imaging device comprising an array of receiver elements, each element of the array being related to an image reconstruction point angle of a receiver apodizer; a receiver apodizer having an apodization amplitude function means for providing an apodization amplitude for weighting echoes associated with each receiver element where said apodization amplitude function is a function of the image reconstruction point angle of said receiver elements; and an ellipsoidal backprojection image reconstruction processor for reconstructing said images from said weighted echoes.
Claim 3
Dependent Claim
12 words
The device according to claim 1 wherein said imaging is two dimensional.
Claim 4
Dependent Claim
12 words
The device according to claim 1 wherein said imaging is three dimensional.
Claim 5
Dependent Claim
14 words
The device according to claim 1 wherein said receiver array is a circular array.
Claim 6
Dependent Claim
14 words
The device according to claim 1 wherein said apodization amplitude function has two minimums.
Claim 7
Dependent Claim
17 words
The device according to claim 5 wherein one of said minimums lies along the Reconstruction Point Angle.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-02-11 | 2000-08-12 | 2001-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-02-11 | 2004-08-12 | 2005-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-02-11 | 2008-08-12 | 2009-02-11 | $7700.00 | Window Closed / Lapsed |