Communications: directive radio wave systems and devices (e.g. – Determining distance – With pulse modulation
Reexamination Certificate
2008-05-27
2008-05-27
Gregory, Bernarr E (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With pulse modulation
C342S021000, C342S118000, C342S123000, C342S124000, C342S135000, C342S175000, C342S195000, C073S29000R, C324S600000, C324S629000, C324S637000, C324S642000, C324S644000, C356S003000, C356S004010, C356S005010, C356S005030, C375S238000, C375S256000, C375S316000, C375S340000
Reexamination Certificate
active
11355845
ABSTRACT:
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse detector triggers on a selected cycle of the detected transmit burst and starts a range counter. A receive detector triggers on a selected cycle within a received echo burst to stop the range counter, thereby indicating range. Cycle selection is enabled by an analysis window of time. The detection system can provide accuracies on the order of one picosecond and is well-suited to accurate ranging along an electromagnetic guide wire.
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Gregory Bernarr E
McEwan Technologies, LLC
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