The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 1976
Filed:
May. 22, 1973
Applicant:
Inventor:
Nathan Freedman, West Newton, MA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01S / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
343 / ; 325 13 ; 343-76 ;
Abstract
A voice-modulated transponder system comprising an interrogator and a light-weight transponder. In the described embodiment, the interrogator is airborne and the transponder is located on the ground. The interrogator can locate the position of the transponder and simultaneously therewith two-way voice communication between the interrogator and transponder is possible.