Patent
Acoustic diode
| العنوان: | Acoustic diode |
|---|---|
| Patent Number: | 8,511,423 |
| تاريخ النشر: | August 20, 2013 |
| Appl. No: | 13/190586 |
| Application Filed: | July 26, 2011 |
| مستخلص: | An acoustic diode includes a phononic crystal medium, a nonlinear acoustic medium, a aluminum tubes contain the phononic crystal medium and the nonlinear acoustic medium. The phononic crystal medium is fabricated by alternately laminating a water layers and a glass layers in a periodic manner. |
| Inventors: | Cheng, Jian-Chun (Nanjing, CN); Liang, Bin (Nanjing, CN); Tu, Juan (Nanjing, CN); Guo, Xia-Sheng (Nanjing, CN); Zhang, Dong (Nanjing, CN) |
| Assignees: | AAC Acoustic Technologies (Shenzhen) Co., Ltd. (Shenzhen, CN), American Audio Components Inc. (La Verne, CA, US) |
| Claim: | 1. An acoustic diode comprising: a phononic crystal medium; a nonlinear acoustic medium; a aluminum tubes containing the phononic crystal medium and a nonlinear acoustic medium; the phononic crystal medium being fabricated by alternately laminating a water layers and a glass layers in a periodic manner. |
| Claim: | 2. The acoustic diode as described in claim 1 , wherein the nonlinear acoustic medium defines a layer of ultrasound contrast agent microbubble suspension. |
| Claim: | 3. The acoustic diode as described in claim 1 , wherein the phononic crystal medium is fabricated by alternately laminating six water layers and six glass layers in a periodic manner. |
| Claim: | 4. The acoustic diode as described in claim 1 , wherein the thickness of the glass layers is 1.4 mm, and the thickness of the water layers is 1.2 mm. |
| Claim: | 5. The acoustic diode as described in claim 1 , wherein the radii of the glass layers and the tube's inner radius are both 50 mm. |
| Claim: | 6. The acoustic diode as described in claim 2 , wherein the ultrasound contrast agent microbubble suspension diluted using phosphate buffered saline, and sealed with polyethylene films in a 30-mm-long aluminum tube. |
| Current U.S. Class: | 181/175 |
| Patent References Cited: | 8132643 March 2012 Berker et al. 2010/0288580 November 2010 Berker et al. 2012/0090916 April 2012 Berker et al. 2013/0025961 January 2013 Koh et al. 2013/0112496 May 2013 Neogi et al. |
| Primary Examiner: | Phillips, Forrest M |
| Attorney, Agent or Firm: | Anova Law Group, PLLC |
| رقم الانضمام: | edspgr.08511423 |
| قاعدة البيانات: | USPTO Patent Grants |
| الوصف غير متاح. |