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:
Sep. 06, 1983
Filed:
Mar. 17, 1981
Pierre Tournois, Paris, FR;
Thomson-CSF, Paris, FR;
Abstract
An acoustic imaging system enabling images in two dimensions to be obtained. The system contains an array formed by M transmitter transducers E.sub.1, E.sub.2, . . . E.sub.M, supplying separable coded signals of the same frequency and a reception array with at least one line of hydrophones, H.sub.1, H.sub.2, . . . H.sub.N. The signals such as h.sub.i received by each of the hydrophones are applied to processing circuits such as D.sub.ik supplying signals x.sub.ik and y.sub.ik, which are multiplexed in circuits MX and MY in a given order, placed on a carrier and applied to an analog Fourier transform device with filters dispersive to acoustic waves. After detection, the system supplies a line of images.