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Central station interrogation via relays of unattended data satellites which answer back
US 2,864,943 A
Filed
: 02/24/1954
Issued
: 12/16/1958
Est. Priority Date
: 02/24/1954
Status: Expired due to Term
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Current Assignee
Curtis J. Schultz
Original Assignee
Curtis J. Schultz
Inventors
Schultz, Curtis J.
Application Number
US03/412,221
Time in Patent Office
1,756 Days
Field of Search
US Class Current
342/50
CPC Class Codes
H04B 1/60
Supervising unattended repe...
H04Q 9/00
Arrangements in telecontrol...
H04Q 9/12
using combinations of frequ...
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