Title: Base band speed sensor

Abstract: A base band radio speed sensor, for use with the path of travel of the craft whose speed is to be sensed advantageously disposed at right angles to the antenna patterns, utilizes a transmitter flanked by equally spaced receivers for determining the times of passage of the craft with respect to symmetrically disposed receiver antennas.

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Inventors: Mara, Richard M. (Tewksbury, MA, US)
Nicolson, Alexander M. (Concord, MA, US)
Ross, Gerald F. (Lexington, MA, US)

Application Number: 898237
Filing Date: 1978-04-20
Publication_date: 1979-05-01
Assignee: Sperry Rand Corporation (New York, NY)
Primary Class(es): 342/21 342/105, 342/115
Other Classes:
US Patent Ref:

3118139	Jan, 1964	Durstewitz	343/8.
3143734	Aug, 1964	Raabe	343/9.
4068207	Jan, 1978	Andermo et al.	343/8.

Other Refs:
Primary Examiner: Hubler, Malcolm F.
Assistant Examiner:
Attorney: Terry; Howard P.