Patents Represented by Attorney Milton D. Bartlett

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  • Voice-modulated transponder system
    Patent number: 3931622
    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.
    Type: Grant
    Filed: May 22, 1973
    Date of Patent: January 6, 1976
    Assignee: Raytheon Company
    Inventor: Nathan Freedman