American Electronic Laboratories, Inc.

Raymond S Markowitz

Baruch Even-Or

Walter Bohlman

A spiral antenna has a plurality of interleaved radiating elements winding outwardly in a spiral pattern about a common axis. The spiral pattern is deformed at outer regions of the antenna to define one or more circumferentially disposed concavities in the body of the antenna. Each concavity is adapted to receive another antenna such as a spiral antenna or horn antenna.

Spiral antenna deformed to receive another antenna

Frequency scanning means and method comprising a broadband signal discriminator means for receiving and delivering signals within its frequency band, detecting means receiving signals delivered by the discriminator means and providing output signals related to the frequencies of the received signals, signal generating means selectively providing output signals corresponding to the frequencies of signals within the band of said discriminator means, and signal processing means receiving the output signals of said detecting means and said generating means and delivering an output signal for each signal delivered by said discriminator means having a frequency selected by said generating means, and including gating means receiving signals from the discriminator means and the processing means and delivering signals from the discriminator means during receipt by the gating means of signals from the processing means.

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Wyncote, PA, United States of America

Raymond S Markowitz