Edward A Caporin from 317 Devers Branch Rd, Centreville, MD 21617, age 92, Phone: (410)7580405

Name / Title

Company / Classification

Phones & Addresses

Edward Caporin
Principal

Heron Blue Tree Farm
Timber Tract Operation

317 Devers Br Rd, Centreville, MD 21617

Edward Caporin
Owner, Principal

Edward Caporin
Dairy Farm

317 Devers Br Rd, Centreville, MD 21617

Overflow Threshold Control For Sonar
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US Patent:

39449653, Mar 16, 1976
Filed:

Jan 22, 1965
Appl. No.:

4/428022
Inventors:

Edward A. Caporin - Centreville MD
Joseph Abruzzo - Severna Park MD
Frank L. Rees - Ellicott City MD
Assignee:

The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:

G01S 966
G01S 766
US Classification:

340 3R
Abstract:

1. In combination in a sonar system for displaying a succession of echo sals received from a target illuminated respectively by a succession of transmitted pulses, Means for generating a base threshold quantity related to background noise, A comparator for comparing the amplitude of each echo signal with the base threshold, First means responsive to received signals which pass said comparator for changing said base threshold in predetermined relatively small increments, Second means responsive to received signals which pass said comparator for changing said base threshold in predetermined relatively large increments.

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Edward A Caporin