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