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 Arcuate motion control in electrostatic actuators Method or system for investing and/or trading Apparatus and method for foreground detection Granulated sweetening composition Method and apparatus for providing seamless call handoff between networks that use dissimilar transmission methods Asynchronous line interface rate adaptation to the physical layer with synchronous lines at the connection layer Apparatus and sensor for adjusting vertical sensor-alignment   Randomly Featured Patents Slew rate limited output buffer with bypass circuitry Lithium tantalate substrate and process for its manufacture Methods of programming multi-state integrated circuit memory devices End fittings for flexible hoses Reducing sulfur content in flue gases produced by coal combustion Half-rate vocoder Gardening tool Color printing process and product Isoxazolo pyrimidinones and the use thereof Liquid jet apparatus and method for driving the same © 2006-2008 PatentGenius. All Rights Reserved.