Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Surface acoustic wave filter










Image Number 5 for United States Patent #4829273.

A frequency characteristic of a surface acoustic wave filter having at least a first transducer and a second transducer is determined by a product of a frequency amplitude characteristic of the first transducer and that of the second transducer so that the electrodes of the both transducers are formed in such a way that third harmonics band in the frequency characteristic of the first transducer is shifted out that of the second transducer in order to prevent third harmonics.








 
 
  Recently Added Patents
Synthetic refrigeration oil composition for HFC applications
Graphical user interface for interpreting the results of image analysis
Recombinant negative strand virus RNA expression systems and vaccines
Double patterning method using tilt-angle deposition
Image processing system, image processing method and program for image processing
Computer-implemented method of constructing a stock index using index rotation
Radiation imaging device
  Randomly Featured Patents
Apparatus for carrying clothing suspended on a coat hanger
Device independent trap color specification
Register move instruction for section select of source operand
Automatic tympanometric testing means
Wire bonding method and apparatus
Ceiling fan blade assembly
Cationic compounds useful as drainage aids and stabilizers for rosin-based sizing agents
Package design
Telephone hang-up cup having latch member loaded by spring
Amine copolymers for textile and fabric protection