Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Acoustic wave filter device and duplexer Image Number 4 for United States Patent #7532090. In an acoustic wave filter device, first and second longitudinally coupled resonator SAW filters are provided on a piezoelectric substrate. The first and second longitudinally coupled resonator SAW filters are connected in parallel to each other. The first and second longitudinally coupled resonator SAW filters are withdrawal-weighted. The withdrawal weighting in at least the longitudinally coupled resonator SAW filter is different from the withdrawal weighting in the other longitudinally coupled resonator SAW filter.       Recently Added Patents Dual head hand rake Method and apparatus in which call signaling messages bypass in-transparent switching nodes or networks Particle sorting apparatus and method Locally diagnosing and troubleshooting service issues Interworking function for communication networks Fixing device and image forming apparatus including the same Blue phase liquid crystal display panel and liquid crystal display   Randomly Featured Patents Tomahawk mailbox flag Method and apparatus for providing an object-oriented file structuring system on a computer System using position detector to determine location and orientation between computers to select information to be transferred via wireless medium Treatment of age related macular degeneration with beta-carotene Scramble circuit to protect data in a read only memory Playing card holder Posterior chamber capsular lens implant and method for implantation of the lens Oil separator for conditioning recovered refrigerant Method and system for transferring data to common destinations using a common destination list Method and apparatus for dissipating high frequency energy inside a material to be treated © 2006-2008 PatentGenius. All Rights Reserved.