Richard D Harris
Engineers at Country Clb Way, Boulder, CO

License number
Colorado 28572
Issued Date
Nov 16, 1992
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
4936 Country Club Way, Boulder, CO 80301
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Professional information

Richard Harris Photo 1

Multiple-Quantum Interference Superconducting Analog-To-Digital Converter

US Patent:
4315255, Feb 9, 1982
Filed:
Oct 27, 1980
Appl. No.:
6/201669
Inventors:
Richard E. Harris - Boulder CO
Clark A. Hamilton - Boulder CO
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
H03K 1302
US Classification:
340347AD
Abstract:
An analog-to-digital converter using superconducting interferometers connected in parallel, each interferometer being identical. The coupling of the analog signal to each successive interferometer is increased in the ratio of 1:2:4:8:16:32:, etc. The application of a pulsed power supply to the parallel connected interferometer generates output voltages on the interferometers. The output voltages are a Gray Code representation of the analog signal.

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