Title: Frequency discriminator utilizing surface wave devices

Abstract: A frequency discriminator utilizing a pair of surface wave devices each comprising one transducer on a piezoelectric substrate connected in series with a signal source and a pair of envelope detectors connected in series with the surface wave devices is shown.

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Inventors: Fischman, Martin (Seneca Falls, NY, US)
Williams, G. Norman (Seneca Falls, NY, US)
Van Noppen, Jean M. (Kessel-Lo, BE)

Application Number: 516174
Filing Date: 1974-10-21
Publication_date: 1976-02-03
Assignee: GTE Sylvania Incorporated (Stamford, CT)
Primary Class(es): 329/328 329/340, 333/193
Other Classes:
US Patent Ref:

3383607	May, 1968	Avins	329/205.
3417336	Dec, 1968	Cribbs et al.	307/233.
3750027	Jul, 1973	Hartmann	329/140.
3810257	Feb, 1973	Jones et al.	333/30.
3835422	Sep, 1974	Hartemann	333/30.
3869682	Mar, 1975	Heeks et al.	333/30.

Other Refs:
Primary Examiner: Kominski, John
Assistant Examiner:
Attorney: O'Malley; Norman J., Walrath; Robert E., Orner; Robert T.