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:
Feb. 03, 2015
Filed:
Aug. 16, 2006
John Douglas Marshall, Los Gatos, CA (US);
Jian-hua MO, Milpitas, CA (US);
Kutay F. Ustuner, Mountain View, CA (US);
John Douglas Marshall, Los Gatos, CA (US);
Jian-Hua Mo, Milpitas, CA (US);
Kutay F. Ustuner, Mountain View, CA (US);
Siemens Medical Solutions USA, Inc., Malvern, PA (US);
Abstract
A multi-layer transducer operates with only one system channel per element. Passive switching connects the layers differently for transmit than for receive operation, such as connecting two layers in parallel for transmit and in series for receive. Any passive switching may be used, such as current and voltage limiting circuits. Tuning may be passively switched. Different tuning circuits are passively switched as a function of voltage level between transmit and receive operations.