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
Double-duty loudspeakerDual-coil speaker transmits warning signals and intercom messages. It saves power by allowing signals to be heard with intercom electronics turned off.
Document ID
19770000254
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Joscelyn, E. (Instrument Systems Corp.)
Date Acquired
August 8, 2013
Publication Date
November 1, 1977
Publication Information
Publication: NASA Tech Briefs
Volume: 2
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
ISSN: 0145-319X
Report Number: MSC-16263
MSC-16263
Accession Number
77B10254
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.

Related Records

There are no records associated with this record.
No Preview Available