WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2001005030) SAW LADDER FILTER WITH IMPROVED 'Q' COUPLING CAPACITORS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/005030    International Application No.:    PCT/US2000/015913
Publication Date: 18.01.2001 International Filing Date: 09.06.2000
Chapter 2 Demand Filed:    10.01.2001    
IPC:
H03H 9/145 (2006.01)
Applicants: CTS CORP. [US/US]; 905 West Boulevard North, Elkhart, IN 46514 (US) (For All Designated States Except US).
PENUNURI, David [US/US]; (US) (For US Only).
HICKERNELL, David, S. [US/US]; (US) (For US Only)
Inventors: PENUNURI, David; (US).
HICKERNELL, David, S.; (US)
Agent: WESEMAN, Steven; CTS Wireless Components, 171 Covington Drive, Bloomingdale, IL 60108 (US)
Priority Data:
60/138,951 11.06.1999 US
Title (EN) SAW LADDER FILTER WITH IMPROVED 'Q' COUPLING CAPACITORS
(FR) FILTRE EN ECHELLE A ONDES ACOUSTIQUES AVEC CONDENSATEURS DE COUPLAGE « Q » AMELIORES
Abstract: front page image
(EN)Surface acoustic wave ladder filter comprising coupling capacitors that include interdigitated electrodes at an angle theta to a surface acoustic wave propagation direction of the filter,where 0°
(FR)L'invention concerne un dispositif à ondes acoustiques de surface, qui comprend : des condensateurs de couplage comportant des électrodes interdigitées selon un angle $g(u), dans un sens de propagation des ondes acoustiques de surface donné du dispositif, où 0°< $g(u)< 90°, et où, de préférence, $g(u) est compris entre 40° et 50°.
Designated States: CA, CN, JP, KR, US.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)