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:
Mar. 18, 2003
Filed:
Feb. 29, 2000
Jie Chen, North Andover, MA (US);
Rajesh Panda, Nashua, NH (US);
Patrick G Rafter, Windham, NH (US);
Turuvekere R Gururaja, Discovery Bay, HK;
Other;
Abstract
The present disclosure relates to an imaging system for harmonic imaging of an object in a medium. The system comprises a transducer formed of a single crystal of a piezoelectric material, a transmitter for transmitting waves into the medium, a receiver for receiving echoed waves from the medium, and a control system electrically connected to the transmitter and the receiver which is used control the operation of the transmitter and interpret signals received by the receiver. In a preferred embodiment, the single crystal of piezoelectric material comprises a PMN-PT material or a PZN-PT material. Through use of this material, −6 dB bandwidths of at least approximately 95% are obtainable.