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.

Date of Patent:
Jan. 26, 2016

Filed:

May. 13, 2013
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Chin Hsia, Taichung, TW;

Yu-Te Kao, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/02 (2006.01); G01S 7/52 (2006.01); G10K 11/34 (2006.01); B06B 1/02 (2006.01);
U.S. Cl.
CPC ...
G01S 7/5202 (2013.01); B06B 1/0215 (2013.01); G01S 7/5205 (2013.01); G10K 11/346 (2013.01); B06B 2201/76 (2013.01);
Abstract

An ultrasound transmission circuit comprises a pulse generating circuit, a feedback circuit and a processing circuit. The feedback circuit outputs a trigger signal according to a first pulse signal arriving at an ultrasound transducer. The processing circuit records a first time point at which the first pulse signal is generated, and records a second time point at which the first pulse signal arrives the ultrasound transducer according to the trigger signal. The processing circuit adjusts a first delay value according to a variance between the first time point and the second time point to generate a second delay value, and drives the pulse generating circuit according to the second delay value to generate a second pulse signal.


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