Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Navigational
Reexamination Certificate
2008-05-29
2009-12-29
Sotomayor, John B (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Navigational
C342S030000
Reexamination Certificate
active
07639174
ABSTRACT:
In a DME ground apparatus, under the control of a transmission-rate monitoring control unit, the transponder unit decodes an interrogation signal it has received and generates a response signal. The transmission rate at which to transmit the response signal is monitored. If the result of the monitoring indicates that the transmission rate has reached a preset value, the response signal is transmitted from the DME ground apparatus. If the result of the monitoring indicates that the transmission rate has not reached a preset value, squitter pulses are transmitted from the DME ground apparatus.
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Kabushiki Kaisha Toshiba
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sotomayor John B
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