IP Library Granted Patent US 12,442,908
Granted Patent B2
US 12,442,908 · App. 18/526,691 · Granted Oct 14, 2025

System and methods for three dimensional modeling of an object using a radio frequency device

Inventors: Raviv Melamed (Nes Ziona, IL); Damian Hoffman (Tzur Yitzhak, IL); Jonathan Rosenfeld (Ramat hasharon, IL); Ronen Tur (Binyamina, IL)
Assignee: VAYYAR IMAGING LTD
G01S13/003G01B15/04G01N22/00G01S13/862G01S13/89G06T7/50G06T17/00A61B5/0507A61B8/4416G01S13/90H01Q1/422H01Q5/48H01Q5/55H01Q9/0407H01Q9/285H01Q13/10H04B7/0413
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Quick Facts
Patent No.
US 12,442,908
App. No.
18/526,691
Granted
Oct 14, 2025
Kind
B2
Abstract

A system for generating a three dimension (3D) imaging of an object, the system comprising: an electromagnetic transducer array such as an RF (radio-frequency) antenna array surrounding the object said array comprising: a plurality of electromagnetic transducers; a transmitter unit for applying RF signals to said electromagnetic transducer array; and a receiver unit for receiving a plurality of RF signals affected by said object from said electromagnetic transducers array; a Radio Frequency Signals Measurement Unit (RFSMU) configured to receive and measure said plurality of plurality of affected RF signals and provide RF data of the object; and at least one processing unit, configured to process said RF data to identify the dielectric properties of said object and construct a 3D image of said object.

Claims (24)

1. A system for generating a three-dimensional (3D) imaging of an object, said system comprising:

an electromagnetic transducer array surrounding the object said electromagnetic transducer array comprising:

a plurality of electromagnetic transducers subarrays;

a transmitter unit for applying RF (radio-frequency) signals to said electromagnetic transducer array; and

a receiver unit for receiving a plurality of RF signals affected by object from said electromagnetic transducers array;

a Radio Frequency Signals Measurement Unit (RFSMU) configured to receive and measure said plurality of plurality of affected RF signals and provide RF data of the object; and

at least one processing unit, said at least one processing unit is configured to:

separately process said RF signals from each of said plurality of electromagnetic transducers subarrays to identify the dielectric properties of said object and construct one or more 3D images of said object.

2. The system according to claim 1 , further comprising an optical device, said optical device is configured to provide a plurality of 2D or 3D images of the object.

3. The system according to claim 2 , wherein the plurality of 2D or 3D images of the object are superposed with the one or more 3D images of said object.

4. The system according to claim 1 wherein the at least one processing unit is further configured to produce a model of the object, said model comprises a representation of the external and internal shape or parameters of the object.

5. The system of claim 4 wherein said parameters comprise dielectric properties of the object.

6. The system according to claim 1 wherein the electromagnetic transducer array is configured to measure the object from a plurality of bi-static angles.

7. The system of claim 6 , comprising a housing having a cavity therein wherein said cavity is configured to contain said object.

8. The system according to claim 7 , wherein said housing shape is selected from the group consisting of: a sphere, a cube, a cage.

9. The system according to claim 7 , wherein the object is rotated while the housing is in a static position.

10. The system according to claim 1 , wherein said plurality of electromagnetic transducers are RF antennas.

11. The system according to claim 10 , wherein said RF antennas are selected from a group consisting of: flat spiral antennas, printed log periodic antennas, sinuous antennas, patch antennas, multilayer antennas, waveguide antennas, dipole antennas, slot antennas, Vivaldi broadband antennas.

12. The system according to claim 1 , wherein said wideband electromagnetic transducer array is a MIMO (Multiple Input Multiple Output) antenna array.

13. The system according to claim 12 , wherein said antenna array is attached to said housing surface.

14. The system according to claim 13 , comprising motors configured to rotate the housing or the antenna array or the object with respect to Y or X axis.

15. The system according to claim 13 , wherein said housing comprises at least one arc for holding said RF antennas.

16. The system according to claim 15 , wherein said RF antennas are configured to slide up or down along said at least one arc.

17. The system according to claim 16 , wherein said RF antennas are configured to slide up and down on said arc while the housing is rotated.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 1, 2023
From: MELAMED, RAVIV; HOFFMAN, DAMIAN; ROSENFELD, JONATHAN; TUR, RONEN
To: VAYYAR IMAGING LTD
Reel/Frame 065736/0967 →
Continuity (5)
Continuation 17403301 · Aug 16, 2021
Continuation 16871397 · May 11, 2020
Continuation 15569827
Provisional Application 62157161 · May 5, 2015
Related Publication 20240103149A1 · Mar 28, 2024
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