NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login

Press Enter or click the Search button to begin your search.

Back to Results
Distributed feedback acoustic surface wave oscillatorAn acoustic surface wave oscillator is constructed from a semiconductor piezoelectric acoustic surface wave amplifier by providing appropriate perturbations at the piezoelectric boundary. The perturbations cause Bragg order reflections that maintain acoustic wave oscillation under certain conditions of gain and feedback.
Document ID
19770019975
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Elachi, C. (JPL)
Date Acquired
August 8, 2013
Publication Date
May 24, 1977
Subject Category
Acoustics
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-613004
Patent Number: US-PATENT-4,025,876
Patent Number: NASA-CASE-NPO-13673-1
Accession Number
77N26919
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,025,876|NASA-CASE-NPO-13673-1
Patent Application
US-PATENT-APPL-SN-613004

Related Records

IDRelationTitleN75-32323Superseded By
No Preview Available