A Uni-Control System for Sound Listening and Echo Ranging
Abstract
The complete system consists of a transmitter, a receiver-amplifier, a projector, a visual indicating and timing device, and necessary power supplies, all functionally integrated. This report covers the development of a uni-control system for echo ranging and listening for use with any type of projector.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 23, 1938
- Accession Number
- AD1157715
Entities
People
- W. W. Wiseman
Organizations
- United States Naval Research Laboratory